Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 168\5\        Box Selection

IdentifierEntry
img001 Note regarding a proposed change from a Weston ammeter to an Elliott ammeter, pending a 10,000-mile test report.
View original record V4172 Lasy. - from Wor. [redacted] c.c) EFC. Wor11/W7/4/24. I have your note Roy10/MG4/4/24, proposing that in view of EFC's report we change from the Weston ammeter, an American production, to the…

img002 Comparison test report between an Elliott Chassis Ammeter and a standard Weston ammeter.
View original record Copy 10.3.24 X.4622 - Test of Elliott Chassis Ammeter This ammeter was compared with a standard Weston chassis ammeter and one of our box instruments. From appearance the Weston ammeter is the better,…

img003 Requesting a 10,000-mile test for a sample ammeter from an alternative English supplier, Elliott Brothers.
View original record Lett-22 Hs. from ROY. c. to Wsv. c. to HY c. to EFG ROY4/G25.4.24. As you are aware, we are particularly anxious to have alternative sources of supply available, and as far as possible English…

img004 Replacement of a special glass for an Elliott Ammeter to be fitted to an experimental car.
View original record X.4622 To ROY. from EFC. c. EV. EFC1/T28.4.24. X;4622 - ELLIOTT AMMETER+ Reference your ROY4/MG25.4.24. it will probably be necessary for this instrument to be returned to the makers to have a new…

img005 New glass fitted to an Elliott Ammeter, which is being sent for exhaustive road testing and comparison.
View original record X 4622 No. from ROY. a. to FOW. b. to RY. c. to SPC. -------------------- ROY2/AG/10.5.24 -------------------- X.4622 - Elliott Ammeter Further to ROY4/AG25.4.24, and SFC1/T2.4.24, Messrs. Elliott…

img006 Testing an Elliott ammeter as a potential alternative to the Weston instrument for chassis 98-NK.
View original record X 4622 To RHC. from EPC. c. Hs/GWH. EPC2/T12.5.24. X.4622 - ELLIOTT AMMETER. We are handing you herewith an Elliott ammeter which has been carefully tested in our Dept. and is the nearest to, though…

img007 Letter from Thompson & Co. offering SIPAM Motor Car Type Ammeters.
View original record THOMPSON & CO. F. THOMPSON, A.M.I.E.E. MANUFACTURERS' AGENTS & MERCHANTS 48 WATLING STREET, LONDON E.C.4 Telephone: CITY 6120 A.B.C. Code 5th Edition Telegrams: TRICALGEN PHONE LONDON OUR REF. FT/KH…

img008 French product sheet for automotive ammeters and voltmeters.
View original record SOCIÉTÉ INDUSTRIELLE Pour la FABRICATION d'APPAREILS DE MESURE 8, Rue Godot-de-Mauroy PARIS TÉLÉPH. : LOUVRE 14-52 TÉLÉGR. : SIFAM-PARIS Ampèremètres et Voltmètres pour Automobile ....................…

img009 Price list for Type E-66 moving iron instruments (ammeters and voltmeters).
View original record V-2 Tarif des Appareils à Fer Amorti Type E-66 Graduation | Cadran | Types de Boîtiers 1 | 2 | 3 | 4 | 5 | 6 | 7 Ampères. Charge et décharge 5 - 0 - 5 | blanc | *8 | 9 20 | 9 20 | 9 20 | - | 9 20 | -…

img010 French language specification sheet showing three types of dashboard gauges and various dial faces.
View original record Spécimens de Cadrans. AMPÈRES DÉCHARGE CHARGE VOLTS Type N° 1. — Modèle Normal. Convient pour tous tableaux, S. E. V., Gadot, Labinal, Eyquem, Équipement Électrique,....). Type N° 2. Appareil pour…

img011 French language specification sheet with diagrams for four types of mounting fixtures.
View original record V-4 Type No 4. Modèle à grande Collerette Nickelée et 4 trous de fixation. (Tableaux Ducellier). Type No 5. Appareil pour Fixation par Etrier. (Tableaux North & East). N.B. - Notre fourniture ne…

img012 French language data sheet and price list for Type E-70 precision moving-coil instruments.
View original record APPAREILS A CADRE MOBILE DE PRÉCISION Ces appareils, montés sur saphirs, ont leur fonctionnement basé sur le même principe que nos appareils de tableau (voir notice B) dont ils sont la réduction. Une…

img013 Technical drawings with dimensions for a flush-mounted model (Type A) and a surface-mounted model (Type B).
View original record Juin 1923 Stamp: [Illegible] LONDON, E.C.1 Stamp: 4UL 23 [Illegible] ENCOMBREMENTS Type N° A. — Modèle à encastrer. Type N° B. — Modèle saillant. Dimensions include: 46, 24, 32, 70, 57, 49.5, 48…

img014 Letter from Elliott Brothers (London) Ltd enquiring about the road test results for a sample Ammeter.
View original record F4622 CONTRACTORS TO THE BRITISH AND FOREIGN GOVERNMENTS. BY APPOINTMENT TO HIS LATE MAJESTY KING EDWARD VII. ELLIOTT BROTHERS (LONDON) LTD ESTABLISHED 1800. LONDON OFFICES: 1, CENTRAL BUILDINGS,…

img015 The performance and condition of an Elliott Ammeter on chassis 98-NK, recommending re-testing.
View original record X4622 EPC3/T 24.10.24. X.4622. ELLIOTT AMMETER ON 98-NK. Since fitting to this chassis this instrument has done 12,184 miles. In spite of the glass having been inadvertently cracked, the instrument…

img016 Request to re-test the accuracy of an Elliott ammeter on chassis 98-NK.
View original record X4622 To RHC. from EFC. EFC/L/T29.12.24. X. 4622. ELLIOTT AMMETER. We have a note to the effect that the Elliott ammeter on 98-NK, after return of that chassis from France, should be re-tested for…

img017 Request to return two damaged Weston ammeters for repair and to have them fitted with an updated insulating device.
View original record To Wd. from EFC. V1162 EFCL/T22.1.25. X.1162. WESTON AMMETERS. Herowith we hand to you two chassis Weston ammeters Model 301, Nos. 142740 and 142775, which have become damaged. We should be glad if…

img018 Recurring faults with an Elliott Ammeter after a 10,000-mile test, including a cracked glass and a jammed needle.
View original record To ROY. from EFC. EFC1/T24.1.25. X 4622 X. 4622. ELLIOTT AMMETER. This Elliott ammeter has now done 10,000 miles on the car, but although it has been working reasonably correctly it is not altogether…

img019 Inspection report on Elliott Ammeter No.134643 after a 10,000-mile test.
View original record F.V.C. PC92. Jan 23rd. 1925. ELLIOTT AMMETER NO.134643. The general appearance of this ammeter when received after the 10,000 mile test was, apart from the fact that the glass was cracked right…

img020 Passing a report on a faulty Elliott Ammeter to the manufacturer for a replacement.
View original record EFC. from ROY. .X.4622 ROY9/LG27.1.25 ------------ X.4622 - Elliott Ammeter ------------ Thank you for the detailed report on above, which I am passing to Elliotts, and asking if they are prepared to…

img021 Requesting the return of a Weston ammeter to the makers for repair.
View original record V1162 To Wd. from EFC. EFC2/T23.2.25. X.1162 WESTON AMMETER+ Herewith we hand to you Weston ammeter No.18444. Will you kindly return this instrument to the makers for repair. EFC.

img022 Concerning the search for an ammeter to rival the Weston, and correspondence with supplier Elliott Brothers.
View original record Memo from ROY. c. to EFC. V 4622 ROY1/MG3.3.25 You will recollect for some time we have been trying to find an Ammeter equal in performance to the Weston, and Elliotts after considerable trouble, put…

img023 Letter from Elliott Brothers (London) Ltd responding to complaints about an Elliott Ammeter.
View original record Copy From: ELLIOTT BROTHERS (LONDON) LTD Century Works, Lewisham LONDON S.E.13 AHA/FMC ROYB/G27.1.25 24th February 1925 Messrs. Rolls-Royce Ltd. DERBY Dear Sirs, Elliott Ammeter - X.4622 With…

img024 Clarifying the requirements for Messrs. Elliott to produce an ammeter superior to the Weston instrument.
View original record V4622 To ROY. from EFC. EPC6/T3.3.25. X.4622. ELLIOTT AMMETER. Reference your ROY1/MG3.3.25, it appears that Messrs. Elliott do not seem to understand that the object of their efforts, from our point…

img025 Complaint about a cracked glass on an Elliott Ammeter.
View original record X.4622. EFC. from ROY. ROY9/MG27.4.25. ---------------- Elliott Ameter 4622 Messrs. Elliott Brothers point out that, as far as they can see, the Zero Corrector on their instrument is identical with…

img026 From ROY to EFC regarding the evaluation and potential order of ammeters from Elliott Brothers.
View original record EFC. from ROY. VL622 ROY10/AG14.7.25 ------------------ Elliott Brothers are asking if we can now give them any further information regarding the Ammeter they submitted in competition with the Weston.…

img027 Confirming an order for four Elliott ammeters for endurance testing on experimental cars.
View original record Y4622 EFC3/T20.9.25. To ROY. from EFC. c. WG. X.4622 - ELLIOTT AMMETER. Answering your ROY10/WG14.7.25, we think we might at this stage order four ammeters from Messrs. Elliott Bros for endurance…

img028 Instruction sheet regarding the performance and accuracy of Elliott ammeters.
View original record RR 300 (20 Bks.) (SK 354 5-12-22) MP 26404 X. 4622 108689 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.T.G. Order No.: Re: J.B.120. Customer's No.: X 4622 Date: 11 - 9 - 1925 Re Elliott Ammeters nos…

img029 Requesting to fit two Elliott ammeters onto a 20 HP chassis and chassis 8-EX for testing purposes.
View original record X4622 To HHC. from EPC. EPC3/11.9.25. X.4632. ELLIOTT AMMETERS. We hand you herewith two Elliott ammeters Nos. 14099 and 1410D! Would you kindly have these put one on a convenient 20 HP chassis, and…

img030 Faults found in two out of four Elliott ammeters received for testing.
View original record V4622 To Wd. from EFC. c. ROY. EFC1/T12.9.25. X.4622. ELLIOTT AMMETERS. With reference to the four Elliott ammeters recently received for test, two of these are slightly faulty; in one it is not…

img031 The condition and electrical calibration of an Elliott Milliammeter No. 4808.
View original record Y4622 EFC4/T22.9.25. ELLIOTT MILLIAMMETER No. 4808. This instrument appears to be in quite good order mechanically. It is nicely dead-beat and works without any sticking. Electrically, the nominal…

img032 Instruction sheet regarding the accuracy testing of two Elliott ammeters after repair.
View original record RR 300 (20 Bks.) (SK 354 5-12-22 M/P 264049) X.4622 108705 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.E.L. Date: 2-12-1925 Order No.: Customer's No.: X.4622 Re: J.B.134 Re Elliott ammeters no 140998 &…

img033 The replacement and repair of Elliott ammeters on various chassis.
View original record Y4622 To RHC. from EFC. EFC4/T2.12.25. X.4622 - ELLIOTT AMMETERS. Herewith we hand to you two further Elliott ammeters Nos.140998 and 141000. Would you kindly have these put on chassis 10-EX and…

img034 Sending a damaged Weston ammeter for repair to the Weston Electrical Instrument Co.
View original record To Wd. from EFC. EFC7/T9.12.25. WESTON AMMETERS. We send you herewith Weston ammeter Model 301 No.111145 which has become damaged on the chassis. Would you kindly have this sent to the Weston…

img035 Return of a Weston Ammeter from an experimental car for repair.
View original record Y162 To Wd. from EFC. EFC1/T14.12.25. X.1162 - WESTON AMMETER No. 262376. O/N.735 Herewith we hand to you Weston ammeter No. 262376 which has come off one of our experimental cars. Will you kindly…

img036 Customer complaint about an American ammeter and the desire to use a British-made alternative.
View original record X 1162 To Hs. from BJ. Copies to -Wd- -Hoy.- C. BJ6/H16.12.25. AMMETER. X 462 x.4118 I attach a copy of a letter from Mr. C.A. Hyde. The following is an extract from the minutes of yesterday's Sales…

img037 Customer complaint about the 'U.S.A.' branding on a car's ammeter, urging for a British-made replacement.
View original record COPY. Westleigh, Acocks Green, Birmingham. Dec. 10, 1925. Messrs. Geo. Heath Ltd. Gentlemen, Re Rolls 20 just ordered by me. On my present Rolls I have continuously the words U.S.A. in front of me. I…

img038 Evaluation and testing of chassis ammeters from different suppliers, Weston and Elliott Bros.
View original record X4622 To BJ. from EFC. c. to Wd. c. to ROY. c. to C. EFC3/T1.1.26. RE CHASSIS AMMETER. X4622 Y:162 Reference BJ6/HL6.12.25, addressed to Hs. We have had negotiations with Messrs. Elliot Bros. on the…

img039 Testing of Elliott ammeters on an experimental chassis before standardisation.
View original record Contd. -2- EFC3/T1.1.26. We are of the opinion that we might encounter faults which have not existed on one instrument tested, and would prefer, before suggesting Elliott ammeters for standardisation,…

img040 The mileage accumulated by various Elliott ammeters on different test cars.
View original record X4622 4.1.26. X.4622 - ELLIOTT METERS. Ammeter No.140998 has done 948 miles on 10-EX since 9.12.25. Ammeter No.140999 has done 10,000 + miles on 8-EX since 14.9.25. Ammeter No.141000 has done 789…

img041 Complaint about the dial finish on sample ammeters and proposing an alternative supplier.
View original record EFC. from ROY. X4622 ROY20/MG4.1.26 re Chassis Ammeter I note your remarks to BJ re the sample Ammeters submitted by Messrs. Elliott (Ref: EFC3/T1.1.26), and as far as finish is concerned, would…

img042 Finish of Elliott ammeters compared to standard Weston instruments and proposing a solution for a uniform appearance.
View original record X4623 To BJ from EFC. c. ROY. c. Wd. c. C. EFC3/T4.1.26. X.4622 - ELLIOTT AMMETERS. Further to our EFC3/T1.1.26 stating that the four Elliott ammeters referred to were doing quite well electrically,…

img043 The experimental fitting of an Elliott Ammeter.
View original record S/W X4622 C4/B6.1.26. Re Elliott Ammeters. EFC3/T4.1.26. ------- We note what you say concerning these and we presume that you will complete your experiments and if satisfactory, arrange to have an…

img044 Choice between Elliott and Weston ammeters for a customer's vehicle.
View original record W/S C. EPC. BY12/H. 8.1.26. AMMETER FOR MR.C.A.HYDE. EPC. has handed me the correspondence which has taken place between the Experimental Dept. and Sales. From the correspondence in question he has…

img045 Requesting the comparative cost of the Elliott ammeter versus the current standard instrument.
View original record X4622 To ROY. from EPC. EPC4/T13.1.26. X.4622 - ELLIOTT AMMETERS I have a note from BJ. to the following effect:- "With reference to EPC3/T4.1.26, can you please let me have the comparative cost of…

img046 Requesting a comparative cost for Elliott ammeters and questioning the manufacturing origin of the Western Electric Company's ammeter.
View original record X4622 To EMC. from BJ. BJ1/H13.1.26. ELLIOTT AMMETERS. X4622 X1162 With reference to EFC3/T4.1.26, can you please let me have the comparative cost of the Elliott ammeter and our present standard…

img047 Query regarding omitting the 'made in America' indication on a Weston Ammeter.
View original record X1162 To Wd. from EFC. EFC5/T13.1.26. RE WESTON AMMETER I have a note from BJ. with reference to ammeters in which he says :- "We should like to omit the indication that it is made in America if we…

img048 Comparative costs of ammeters from Weston and Elliott Brothers.
View original record EFC. from ROY. X.4622 ROY5/AG14.1.26 X.4622 - ELLIOTT AMMETERS Replying to your Memo. EFC4/T13.1.26. Our present Weston Ammeter costs us 35/6d. and when I last discussed this question with Messrs.…

img049 Proposal to exchange and test an Elliott ammeter for standardization.
View original record X4622 To RHC. from EFC. EFC5/T15.1.25. X.4622. ELLIOTT AMMETER FOR 10-GIII. Elliott ammeters are also proposed for standardisation and I would be glad if you could arrange to exchange the Elliott…

img050 Comparative cost and sourcing queries of Elliott and Weston ammeters.
View original record To BJ. from EFC. X4622 EFC2/T18.1.26. RE ELLIOTT AMMETERS. Answering your BJ1/H13.1.26, firstly re the question of the comparative cost of the Elliott ammeter and our present standard instrument, Roy.…

img051 Follow-up memo from Elliott Brothers of London regarding the trial of miniature ammeters.
View original record 6352 ... from ROY. c. to Hs. ROY11/MG27.1.26 Ammeters --------- Messrs. Elliott Brothers, of London, write:- "Referring to your Order No.45752 of the 22nd July "last, covering 4 Miniature Ammeters for…

img052 10,000-mile test of an Elliott ammeter on a 40/50 car and a planned test on a 20 HP chassis before standardisation.
View original record To RDY. from EPC. RFC1/T1.2.26. X.4522 - ELLIOTT AMMETER. Answering your RUY11/MG27.1.25, we have by this time completed satisfactorily one 10,000 mile test on an Elliott ammeter on a 40/50 car. The…

img053 The performance of the Elliott ammeter compared to the Weston instrument.
View original record Y4622 Exptl. Report. Exp.No.4622 EFC2/T1.2.26. To R. from EFC. c. E. Da. HJ. c. CJ. EY. KP. c. Wor. Rg. RE ELLIOTT AMMETER Four Elliott ammeters, similar in appearance to the Weston instrument, but…

img054 Page 2 of a report on ammeters from Messrs. Elliott, detailing a previous test failure and comparing the instrument's appearance to a Weston.
View original record Exel. Report. -2- EFC2/Tl.2.26. It perhaps should be mentioned that these are not the first ammeters we have had from Messrs. Elliott. We have previously had an instrument which, although it did…

img055 The mileage test performance and condition of Elliott ammeters.
View original record JC.3. COPY 29.1.26. RE ELLIOTT AMMETER No.140999 on 8-EX. This ammeter has now completed a total mileage of 16,117, about 15,000 of which have been run in France. The ammeter has behaved very well all…

img056 Dismantling of chassis 8-EX and the request for specific parts to be returned for examination.
View original record Y4572 To RHC. from EFC. EFC/O/T4.2.26. RE CHASSIS 8-EX. It is understood that this chassis is now to be dismantled. The items which we would like to have back for examination are :- (1) The Elliott…

img057 Instruction sheet detailing the satisfactory performance of an Elliott ammeter after 16,644 miles.
View original record RR 236/150 BKS. f (DB 431-8 12 24) MP 209875 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.J.E. Order No.: J.C.10. Customer's No.: Re Elliott Ammeter no 140997 from chassis 8EX. This ammeter has now completed…

img058 Instruction sheet detailing an error on an instrument board.
View original record RR 238 (150 BKS.) (DB 461-8-12-24) WP 30679 ROLLS-ROYCE, LTD. INSTRUCTIONS. D 19 To Order No. J.C.10 Customer's No. instrument board. This instrument has an error of +1.5% at 20 amperes on both the…

img059 From ROY to EFC regarding the progress of Elliott Ammeter tests and a 10,000-mile test on the 20 HP chassis.
View original record V4622 EFC from ROY. ROY17/AG/17.2.26 I am glad to see from EFC1/T1.2.26 that tests with the Elliott Ammeter are progressing so satisfactorily. I am not sure whether the 10,000 mile test of same on the…

img060 Delayed 10,000-mile test of an Elliott Ammeter.
View original record To ROY. from EFC. VL627 EPCL/T18.2.26. ELLIOTT AMMETER. Answering your RUY17/MSH 7.2.26, the 10,000 mile test referred to is about to be started. It has been delayed for various reasons. EFC.

img061 Ordering and standardising ammeters for the 40/50 HP and 20 HP chassis.
View original record X 4622 EFC. from ROY. ROY10/AG1.3.26 Ammeters. It will be necessary shortly to place orders for additional Ammeters. You have already tested out the Elliott Ammeter on the 40/50 HP. Chassis, and I…

img062 Mileage to date for Elliott ammeters, excluding a specific 10,000-mile test.
View original record X4622 EFC/T8.3.26. X.4622 - ELLIOTT AMMETER MILEAGE TO DATE (Other than 10,000 miles test on 8-EX) 10-EX. 140098. 3733 miles. 16-GIII. 141000. 2303 " 11-GIII. 141001 397 " EFC/G.J.

img063 Progress of a 10,000-mile test on a 20 HP chassis equipped with an Elliott ammeter.
View original record To ROY. from EPC. X4622 EFC3/T8.3.26. X.4622. ELLIOTT AMMETER Answering your ROY/10/MGL.3.26, I consider it preferable to await the completion of the 10,000 mile test on the 20 HP. chassis. 3,200…

img064 Damaged Weston ammeter being sent for repair due to a previously identified fault.
View original record To Wd. from EFC. Y/162 EFC/T9.3.26. RE WESTON AMMETER. Herewith we hand to you a Weston ammeter which has been damaged by a short circuit occurring to the zero correcter. This was a fault that we…

img065 The status and issues with two Elliott ammeters.
View original record X.4622. 13.5.26. RE ELLIOTT AMMETERS. No.140999 - removed from chassis 8-EX after satisfactory test, fitted to 12-EX. No.141001 - removed from chassis 11-GIII after 2642 miles. Needle sticking and…

img066 The return of a faulty Elliott ammeter for correction.
View original record J Wd. from EFC. c. ROY. X4622 EFC3/T13.5.26. X.4622 - ELLIOTT AMMETER. We hand you herewith Elliott ammeter No.141001, which is one of four (Nos.140998-141001) which we recently received from Messrs.…

img067 Standardisation sheet for an ammeter by Elliott Bros, with remarks on standardising instrument dials and hands.
View original record TO HS. FROM RS. X4622 RS1/M31.5.26. STANDARDISATION SHEET. AMMETER MADE BY ELLIOTT BROS. We return the above sheet, agreed to, and initialled, by H. DA. and W. R. remarks - "When can all 6 of our…

img068 Query about standardizing the appearance of six car instrument dials and hands.
View original record To Hs. BY. from R. c. to Wor. BJ. CWB. PN. X4622 R4/M31.5.26. RE. CAR INSTRUMENTS. X.4622 X.8530 When can all six of our instruments have cream faces and black figures, and black, or red tipped hands?…

img069 Requesting the completion of instructions to remove an Elliott ammeter for examination, with a Weston ammeter provided as a replacement.
View original record To HHC. from EPC. X4622 EPC4/T4.6.26. X.4622 - ELLIOTT AMMETER. We should be pleased if you would complete the instructions contained in our EFC2/T21.5.26 of having the Elliott ammeter removed from…

img070 Supplier trial for ammeters between Elliott Bros. and the Weston Company.
View original record X4622 To Hs. from BJ. Standardisation Sheet. BJ6/E25/6/26 Ammeter. Elliott Bros. Referring to standardisation sheet No.4622, would it not be safest, before switching straight over to the Elliott…

img071 Cover letter for a standardisation sheet regarding an ammeter made by Elliott Bros.
View original record RS. from Hs/LG. V/4622 Hs/LG21.6.26. STANDARDISATION SHEET. AMMETER MADE BY ELLIOTT BROS. As requested, we attach a further standard-isation sheet in connection with the above, for which pt item…

img072 Requesting a copy of a document concerning a standardisation sheet for an Elliott Bros. ammeter.
View original record To BJ. from Hs. Y4622 Hs/LG5.7.26. STANDARDISATION SHEET. AMMETER - ELLIOTT BROS. Referring to BJ2/E2.7.26. We cannot trace having received a copy of BJ6/E25.6.26 in connection with the above. We…

img073 Standardisation of the Elliott ammeter and a proposal to conduct a 50-50 trial with the Weston ammeter.
View original record To Ry. } from EFC. Wd. } ROY. } 14622 EFC2/T7.7.26. RE STANDARDISATION OF ELLIOTT AMMETER. With reference to the Elliott ammeter for which a standardisation sheet has recently been circulated, RJ.…

img074 Return of a Weston ammeter to its makers for a new glass fitting due to cracking.
View original record To Wd. from EFC. X1162 EFCl/T21.7.26. RE WESTON AMMETER Herewith we hand to you Weston ammeter No.142740. Would you kindly have this instrument returned to the makers to have a new glass fitted, the…

img075 Short memo regarding the standardisation of the Elliott Ammeter.
View original record To BJ. from Hs. 74622 Hs2/LG24.8.26. STANDARDISATION OF ELLIOTT AMMETER. We attach EPC2/T7.7.26 which is self explanatory. We should be glad if you will now return the standardisation with your…

img076 The standardisation of the Elliott Ammeter.
View original record H8 (RECEIVED) 26 AUG 1926 4622 To Hs. from BJ. BJ1/D25.8.26. Standardisation of Elliott Ammeter. Referring to your Hs2/L024.8.26, I have not yet heard what you and BY. advise, and if you consider the…

img077 The fitting of Elliott Ammeters to 20 HP cars and retaining Weston Ammeters for the Phantom model.
View original record To R.J. from Hs. X1162 Hs4/LG26.8.26 ELLIOTT AMMETER. X4622 It has been suggested by BY: and we agree, that at first Elliott Ammeters will only be fitted to the 20 HP. cars. We shall continue with the…

img078 Standardisation proposal for ammeters made by Messrs. Elliott Bros.
View original record RR 733 (10M) (DB120 12-9-24) MS 201225 44622 HS STANDARDISATION of CHASSIS PARTS Date 27.5.26 Description of Parts: AMMETERS MADE BY MESSRS. ELLIOTT BROS. X No. 4622 Origin: Desirability of British…

img079 Chassis 12-EX after 6000 miles, detailing the performance of the Exide and P&R battery cells.
View original record X4622 Extract from GWH/RP19.8.26. REPORT ON CHASSIS 12-EX. EAC.8 AFTER 6000 MILES. Battery. X.4617S. Battery fitted with half Exide and half P & R cells. The battery is still in good condition. The…

img080 The instruction of Elliott ammeters for the 20 HP chassis and Weston ammeters for the 40/50 HP chassis.
View original record V4622 20.8.26. RE ELLIOTT AMMETER We have received information from BY/Mtn. to the effect that Elliott ammeters have been instructed for the 20 HP. chassis and Weston ammeters for the 40/50 HP.…

img081 The condition of chassis 12-EX after a 9000-mile test, focusing on electrical components.
View original record X4622 Extract from CWH2/RP23.8.26. REPORT ON CHASSIS 12-EX, FAC.8 AFTER 9000 MILES. Electrical Fittings. X.878C, X.4105. Distribution board and cutout D box modified with C type contacts, rigid…

img082 Fitting of Elliott ammeters to 20 HP cars and continuing with Weston ammeters for the Phantom.
View original record To BJ. from Hs. Y4622 Hs4/LG26. 8. 26. ELLIOTT AMMETER. V1782 It has been suggested by BY. and we agree, that at first Elliott Ammeters will only be fitted to the 20 HP. cars. We shall continue with…

img083 The standardization of chassis instrument board ammeters from different suppliers.
View original record X462 Z BY/TDD. C. HS. BY9/H. 30.3.26. STANDARDIZATION OF CHASSIS P.T.D. INSTRUMENT BOARD. AMMETER MADE BY ELLIOTT BROTHERS. We have received a completed standardization Sheet dated 27.3.26. for the…

img084 Confirming the satisfactory completion of a 10,000-mile test on a second Elliott ammeter on experimental chassis 12-MX in France.
View original record To RJ. from EFC. BY. Wd. Roy. Y4622 EPC5/T13.9.26. X.4682. ELLIOTT AVMETER. A second Elliott ammeter has now satisfactorily completed a 10,000 mile test on expl. chassis 12-MX in France. EFC.

img085 Electrical experimental road test log sheet with mileage records.
View original record ELECTRICAL EXPERIMENTAL ROAD TESTS Elliott X. Ch. 0/4/77/1 X. No:- 4622 Date on. | Location. | Date off. | REMARKS. | Miles reading Start. | Miles reading Finish. | Miles covered. | Total Miles…

img086 Log sheet recording test mileage data and remarks on a component.
View original record X. No: 4622 Circuit mileage | Date on | Location | Date off | REMARKS. | Miles Previous | Miles Running on | Miles Testing | Total Miles | |---|---|---|---|---|---|---|---| | 2-12-25 | f.a.b. | |…

img087 Log sheet tracking the mileage and usage details for an experimental Elliott Ammeter.
View original record EXPERIMENTAL INSTRUMENTS REGISTER X. No:- 468L Elliott Ammeter no 141001 Date on. | Location. | Date off. | REMARKS. | Miles reading Start | Miles reading Finish | Miles covered | Total Miles 2-10-25…

img088 Mileage and test log for 'Elliott Camels, No 140998' from 1925-1926.
View original record ( X4622 ) [MATERIAL DIARY & RUNNING RECORD] X. No:- 46xx Elliott Camels, No 140998 Date on Location Date off REMARKS Miles reading start Miles reading finish Miles covered Total Miles 2-12-25…

img089 Requesting the return of a Weston ammeter, model 301, to its makers for repair.
View original record V1162 Md. from EPC. EFC5/T18.11.26. RE WESTON AMMETER. We hand you herewith a Weston ammeter, No. 226733, model 301. Will you kindly return this to the makers for repair. EPC.

img090 Weston ammeter with broken glass being sent for repair.
View original record To Wd. from EFC. X1162 EFC/T17.12.26. X.1162. WESTON AMMETER. Herewith we hand to you a Weston ammeter, No.176423, of which the glass has been broken. Would you kindly send this for repair. EFC.

img091 Supply of ammeters from two firms.
View original record X1162 ? Wd- Hs BY/HMB. Lr FSG. BY15/H. 12.1.27. Hr AMMETERS. -------- X4622 The position in regard to ammeters is, that we buy regularly 50% of our requirements from each of the two following firms:-…

img092 Requesting the replacement of a faulty Elliott ammeter on chassis 12-EX.
View original record V4622 To RHC. from EPC. C.c. HS/Alis. EPCM/T18.1.27. ELLIOTT AMMETERS. X.4622. Herewith we hand to you Elliott ammeter No.141001. Will you please have this changed for the Elliott ammeter on chassis…

img093 The return of an Elliott ammeter for repair, with an attached assistant's report.
View original record X4677 To Wd. from EPC. EPC5/T26.1.27. We hand you herewith Elliott ammeter No.140999 We should be pleased if you would have this sent back to the makers for repair, which we consider might be free of…

img094 Instruction sheet form for work to be completed, with fields for order and customer details.
View original record RR 238 (100 BKS.) [DS 4611-12-24] MP 308975 X4622 ROLLS-ROYCE LTD. INSTRUCTIONS. To [Illegible handwriting] 19 Order No. Customer's No. 12EX Λ [Illegible handwritten text] Signed [Illegible signature]…

img095 Letter regarding special tests for an Elliott Ammeter and attaching correspondence from Elliott Bros.
View original record EFC.from Vd. X4622 WD9/WJ.4.2.27. Elliott Ammeter No.140999. Referring to yours TFC5/T26.1.27 and report ref.- EPC.JC.67. of 26th ult., I attach hereto a letter from Elliott Bros.(London)Ltd. dated…

img096 Letter from Elliott Brothers Ltd. concerning the examination of a miniature ammeter.
View original record ELLIOTT BROTHERS Ltd., CENTURY WORKS, LEWISHAM, LONDON, S.E.13. WP/LE.RJ.1614. W43/NU27127. 1st. February, 1927. Messrs. Rolls-Royce Ltd., DERBY. Dear Sirs, We have now examined miniature ammeter…

img097 Test results for an Elliott Ammeter, the reasons for a filed sealing cup, and a proposed resolution.
View original record To Wd. from EFC. V4622 EFC/L/T5.2.27. ELLIOTT AMMETER. No.140999. Reference your WD9/WJ4.2.27, on enquiry I find that there is no doubt whatever as to the readings of the instrument on test in our…

img098 The fitment and supply of 'Weston' and 'Elliott' Ammeters for the 20 HP and 40/50 HP chassis.
View original record X4622 BY. from ROY. c. to Hs. c. to BFC. ROY13/MG/7.2.27 "Weston" and "Elliott" Ammeters ------------------------------- Under existing arrangements we fit the English made "Elliott" Ammeter to the 20…

img099 Sourcing and fitting of English and American ammeters to different chassis models.
View original record Copy for Hs. C o p y ---------- W/S. BJ. from ROY. c. to C. -------------- ROY1/AG1.2.27 AMMETERS -------- Under existing arrangements we fit the English made Elliott Ammeter to the 20 HP. Chassis,…

img100 From BJ to ROY regarding the fitting of English-made Ammeters.
View original record Copy for He. C O P Y ------- To ROY from BJ. Ammeters. BJ16/E3/2/27 Referring to your ROY1/MG1/2/27, this was read to the Sales Conference, and the opinion was, that if the technical department at W.…

img101 Reliability comparison of Weston and Elliott ammeters.
View original record X4622 DEPT. c. Hs. c. EFC. c. EJ. BY3/H. 8.8.27. RECEIVED 8 AUG 1927 WESTON AND ELLIOTT AMMETERS. Referring to moyl3/AG.7.2.27. & detached papers, the position originally outlined was that we should…

img102 Correspondence regarding a faulty Elliott Ammeter, No. 140999.
View original record EFC.from Wd. X.4622 Wd.absent. Wd/1/JW.10.2.27. Elliott Ammeter No.140999. The remarks in yours EFC1/T5.2.27 were duly communicated to Elliott Bros.(London)Ltd. and we are this morning in receipt of…

img103 The re-delivery and status of Elliott Ammeter No.140999.
View original record EFC. from Wd. X 4622 Wd6/WJ21.2.27. Elliott Ammeter No.140999. I confirm mine Wd1/WJ10.2.27. The above-mentioned ammeter has now been re-delivered by Elliott Bros.Ltd. and instructions have been given…

img104 Static charge build-up on the glass of an Elliott ammeter, causing erroneous needle deflections.
View original record To Wd. from EFC. X4622 EFC L/T2.5.27. ELLIOTT AMMETER. X.4622. It has been noticed that the Elliott ammeter is somewhat subject to the known effect in electrical instruments of a deflection of the…

img105 Test Department complaint about an Elliott Ammeter, attributing the fault to static effect.
View original record To Wd. from EFC. X4672 EFC3/T9.5.27. RE ELLIOTT AMMETER As far as we know, the Test Dept. complaint is entirely due to the static effect which we have mentioned. We do not appear to have any record of…

img107 Visit to Elliott Bros' Works and a complaint from the Test Dept. about faulty ammeters.
View original record EFC. from Wd. X4612 Wd/NJS.9.5.27. Elliott Ammeter - X.4622. Hereto attached is copy of letter from Elliott Bros. Ltd. in reply to yours EFC1/T2.5.27. I am going to London tomorrow and shall take…

img108 Letter from Elliott Bros. regarding electrostatic effects on miniature ammeters and conductive glass.
View original record Copy of letter from:- Elliott Bros. (London) Ltd., Century Works, Lewisham, London, S.E.13. Ref.- WP/LE. Your ref.- Wd13/NJ2527. Messrs. Rolls-Royce Ltd., Derby. Dear Sirs, We are in receipt of your…

img109 Visit to Elliott Bros. to discuss improvements and quality issues with their ammeter.
View original record By. from WD. c. to EFC. Wd7/NJ11.5.27 Elliott Ammeter - X.4622. The remarks conveyed in EFC1/T2.5.27. By9/H6.5.27 and EPC3/T9.5.27 were communicated by letter to Elliott Bros.(London) Ltd. and…

img110 Use of washers for thin and soft instrument dials supplied by Cambridge Instrument Co.
View original record - 2 - I may just mention that Elliotts find that the dials supplied to them by the Cambridge Instrument Co. are so thin and soft that it is necessary to employ a good size washer under each of the two…

img111 Investigation into the issue of sticking needles on Elliott Ammeters.
View original record from ROY. c. to Hs. c. to Wg. c. to WFC. c. to WP --------------- V 4622 ROY10/MG27.5.27 --------------- Ammeters --------------- There was some suggestion recently that the needles on the Elliott…

img112 Electrostatic test report comparing a Weston Model 301 and an Alliott Type 'M.R.' instrument.
View original record COPY ROLLS ROYCE MINIATURE INSTRUMENTS Weston Model 301. No. 456151 Alliott Type "M.R." No.146020 ELECTROSTATIC TESTS: Mounted side by side flush in cardboard box, 6½" x 6½" x 6". 16-5-27 Weather…

img113 Test report comparing Weston and Elliott instruments under temperature and stray field conditions.
View original record COPY - 2 - Weston Model 301. No.456151 Elliott Type "H.R." No.146020 TEMPERATURE TEST. The effect of change in temperature of the Instruments and surrounding air was made as in the previous test, by…

img114 Letter from Ferranti Ltd. regarding a new range of electrical measuring instruments suitable for car dashboards.
View original record Y3498 FERRANTI LTD. HOLLINWOOD, LANCASHIRE. Radio/G.R. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. 15th July, 1927. Dear Sirs, FERRANTI ELECTRICAL MEASURING INSTRUMENTS. Within the next week or…

img115 Page 2 of a letter from Ferranti Limited regarding product pricing and sales support.
View original record -2- Contd. available at the list price of 30/- and we are prepared to supply you at the low figure of 19/3d. each presuming reasonable numbers are ordered. If desired we shall be pleased to send over…

img116 Letter from Ferranti Ltd. following up on an offer of electrical measuring instruments for dashboard use.
View original record V3498 FERRANTI LTD. HOLLINWOOD, LANCASHIRE. 11th August, 1927. Radio/GR Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, FERRANTI ELECTRICAL MEASURING INSTRUMENTS. On the 15th ult., we…

img117 Correspondence regarding specifications for a Ferranti chassis ammeter sample.
View original record To Roy. from EFC. X3498 EFC2/T17.8.27. FERRANTI AMMETERS CHASSIS TYPE. We attach correspondence received in this connection. It appears it may be to our advantage to allow Messrs. Ferranti to submit…

img118 Ferranti ammeter and transformer.
View original record To Roy. from EFC. sc D/BP. V.3498 EFCL/T19.9.27. FERRANTI AMMETER & TRANSFORMER. Reference your Roy/CGS4/WM16.9.27, we have asked Mr. Salt to arrange for this transformer (sent in error) to be ordered…

img119 Instructions regarding a car's potential skidding on wet roads and a proposed solution for the instrument board.
View original record ROLLS-ROYCE, LTD. INSTRUCTIONS. To Order No. J.P. Customer's No. ... report of ... ... as a result of a ... ... to oiler. when the car ... pressure is opened & on wet roads the ... to be quite ... the…

img120 Return of an unsuitable Ferranti ammeter and proposing a replacement.
View original record To Roy. from EFC. Y3496? EFC1/T3.10.27. FERRANTI AMMETER FOR CHASSIS. Herewith we return this instrument. We could not consider this at all in its present form. As there is likelihood of the new…

img121 Suitability of a Ferranti ammeter for chassis use.
View original record Y 3498 EPC3/T1.11127. To Roy. from EFC. c. BY. FERRANTI AMMETER FOR CHASSIS. Referring to Messrs. Ferranti's letter of the 22nd. ult., ref. Radio/G.R. (which we now return), we did not attach all that…

img122 From PN to EFC regarding a faulty ammeter from Ferranti, Ltd. and seeking an opinion on their instruments.
View original record X3 498 S/W. PN3/EH.23.11.27. To EFC. from PN. Messrs. Ferranti, Ltd. have been in touch with you recently in connection with their new design of ammeter and volt meters for instrument boards. They…

img123 Proposing to exclusively use English-made Weston and Elliott ammeters for the 40/50 HP and 20 HP chassis.
View original record X4622 HY. from ROY. c. to Hs. ey. to HYO. oy. to Mxr. ROY5/WG6.12.27 X4622 X1162 WESTON AND ELLIOTT AMMETERS ---------------------------- You will recollect for the past twelve months we have been…

img124 Ferranti ammeter, referencing other correspondence.
View original record W/S To PN. from EFC. X 3498 EFC9/T9.12.27. FERRANTI AMMETER. Answering your PN3/EH23.11.27, we attach copies of our EFC1/T3.10.21 and EFC3/T1.11.27 which will explain how the matter stands. EFC.

img125 Confirming the use of Elliott ammeters for 40/50 HP and 20 HP chassis, and for future P.2 series orders.
View original record ROY c/c EFC. VGH? BY/Cgh2/G.12.12.27. WESTON AND ELLIOTT AMMETERS, With reference to ROY5/MG.6.12.27. we have looked into the matter, and are in agreement with Elliott ammeters being fitted to the…

img126 Query regarding the potential damage to an ammeter from being overloaded by two Smith cigar lighters.
View original record S/W. EP. X1162 LE5/H/18.1.28. OVERLOAD ON AMMETER. Will you please let me know what over-load the ammeter will stand. The point at issue is that in the event of a car having two Smith cigar lighters…

img127 From EFC to Roy regarding a faulty Weston ammeter from an experimental car to be returned for repair.
View original record X1162 To Roy. from EFC. EFC/T26.1.28. Herewith we hand to you a Weston ammeter (still sealed) taken from one of our experimental cars. This ammeter is faulty having troubled us by giving inconsistent…

img128 Required overload specifications for a chassis ammeter, specifically its ability to withstand 90 amperes.
View original record x1162 To BY/Cgh. EFC2/T25.1.28 RE OVERLOAD OF AMMETER. X 1162 X8783a A chassis ammeter in proper condition will stand momentarily a current of 90 amperes. It has got to do this because it takes 90…

img129 The defects and free-of-charge repair of a model 301 Ammeter returned to Weston Electrical Instrument Co. Ltd.
View original record EFC. C to C/WPH. X 162 ROY/JTS/HP3.2.28. With reference to the model 301 Ammeter No.187887 recently returned to The Weston Electrical Instrument Co.Ltd. as per your memo EFC1/T26.1.28 and our order…

img130 Quoting correspondence from Ferranti Limited regarding the supply of a dashboard ammeter.
View original record X2498 EPC. from ROY. ROY8/MG23.7.28 Re: Ferranti Dashboard Ammeter Messrs. Ferranti Limited write as follows: "In connection with the call made upon you yesterday by our Mr Baggs, we now confirm that…

img131 Low-reading Elliott ammeter on a 20 HP chassis, proposing to test stock ammeters for a replacement.
View original record To HHG. from EPC. c. Hs/AJL. Y4672 EFC2/T25.7.28. ELLIOTT AMMETER ON 20 H.P. CHASSIS. FOR R 12 G 4 The Elliott ammeter fitted to this chassis is reading low. Owing to the fact that we have a higher…

img132 Faulty Ferranti Ammeter that needs returning to the maker due to a sticking needle.
View original record To Roy. from EFC. c. Despatch Stores. X3498 RPC5/T26.7.28. RE FERRANTI AMMETER. We are sending into the Stores 1 Ferranti Ammeter. We regret that it will be necessary to return this instrument to the…

img133 Letter from Ferranti Ltd regarding the testing of a Dashboard Ammeter with a reported sticking needle.
View original record X3498 ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY FERRANTI LTD. ELECTRICAL & GENERAL ENGINEERS, HOLLINWOOD. LANCASHIRE. LONDON OFFICE, BUSH HOUSE, W.C.2. TELEGRAMS: FERRANTI, ESTRAND LONDON.…

img134 Instructions to add an insulation test to the specification for a standard chassis ammeter, type MR no 155254.
View original record INSTRUCTIONS. To: E.4.6. Order No. I.C.116. Customer's No. Re: Test of Specification on a Std chassis ammeter Type MR no 155254. A Specification of inspection & test for the chassis ammeter was…

img135 Faulty Elliott ammeter that requires returning for rectification.
View original record Y4622 Roy. from EPC. EPC2/T14.8.28. Herewith we hand you an Elliott ammeter which we understand is one of three which London have obtained and sent to us in connection with the new instrument board.…

img136 Return of an unsatisfactory Elliott Ammeter for rectification.
View original record V4-22 D/W. cr to D/WR. c. to EFC. ROY/JT10/HP16.8.28. Herewith one Elliott Ammeter (ex 3 delivered here vide London Office) which please despatch today by post to:- Messrs. Elliott Bros. (London)…

img137 Letter to Ferranti Ltd. regarding a faulty dashboard ammeter with a sticking needle.
View original record c. Roy c. Meiling X3498 EFCS/T. 18th August, 1928. Messrs. Ferranti Ltd., Hollinwood, Lancs. Dear Sirs, Ferranti Dashboard Ammeter. We duly received your letter of the 1st. inst. There is no doubt…

img138 Letter from supplier Elliott Brothers regarding a damaged ammeter returned for inspection.
View original record X 4622 COPY. ELLIOTT BROTHERS (LONDON) LTD. CENTURY WORKS LEWISHAM LONDON..S.E.13. ROY/JTS/HP. 21st August 1928. AHA/EH. Messrs. Rolls-Royce Ltd., DERBY. Dear Sirs, For the Attention of H. Royce Esq.…

img139 Letter from Ferranti Ltd. concerning tests on dashboard ammeters for sticktion.
View original record FERRANTI LTD ELECTRICAL & GENERAL ENGINEERS. HOLLINWOOD. LANCASHIRE. LONDON OFFICE, BUSH HOUSE W.C. 2. TELEGRAMS FERRANTI ESTRAND LONDON. TELEPHONES CITY 7618 CENTRAL 9325 TELEGRAMS: FERRANTI…

img140 The decision not to have an Elliott Ammeter repaired.
View original record J472 To Roy. from EFC. EFC2/T27.8.28. ELLIOTT AMMETER With reference to the letter from Messrs. Elliott, dated Aug. 21st, copy of which you sent to us, as this instrument is not likely to be required,…

img141 The test progress for a Ferranti ammeter instrument for a chassis.
View original record EPC. V5403 ROY/GEA3/EB4.9.28. Ammeters for Chassis. Referring to your memo ref: EPC5/T28.8.28, reporting on the Park Royal Ammeter type MC.2F No.49842. Will you kindly let us know how the tests are…

img142 Following up on a sticking Ferranti chassis ammeter that has been returned but not yet received back.
View original record X3495 To Roy/GEA. EFC2/T5.9.28. CHASSIS AMMETERS Reference your Roy/GEA3/EB4.9.28. since returning the Ferranti ammeter for sticking we have not yet received it again. Attached is copy of latest…

img143 Instruction sheet detailing the test results for a viscometer instrument.
View original record RR 236 (100 Bks.) 100 481-8 12 24J MP 306975 X3478 ROLLS-ROYCE LTD. INSTRUCTIONS. To: C.T.P. Date: 21-9-1928 Order No. TC129 Customer's No. X. 3478 Re test of Viscometer Instrument This instrument has…

img144 Requesting the installation of a tested Ferranti chassis type ammeter on vehicle 9-EX.
View original record V3498 To HHC, from EFC. c. HS/AIL. EPCF/T22.9.28. FERRANTI AMMETER. Herewith we hand to you a Ferranti chassis type ammeter which has been duly tested and found satisfactory in our laboratory. Would…

img145 Letter from Ferranti Ltd. following up on the test results for a submitted dashboard instrument.
View original record X349E FERRANTI LTD., HOLLINWOOD, LANCS. Radio/G.R. Messrs. Rolls-Royce Ltd., DERBY. 15.11.28. Dear Sirs, Ferranti dashboard instruments: With reference to the instrument that we had pleasure in…

img146 Instructions regarding a car test, noting mileage and referencing a previous report.
View original record RR 238 (100 BKS.) IDB 461-8-12 24) MP 308975 ROLLS-ROYCE LTD. INSTRUCTIONS. To: F.L.G. 19-11-28 Order No. JC143 Customer's No. X 3498 Re: Terminate Dn.-/ Please see letter & report re the above car…

img147 Brief report on the testing of a Ferranti Ammeter on an experimental car.
View original record To Roy. from EPC. (47)a EPC2/T20.11.28. FERRANTI AMMETER. With reference to the attached letter (copy kept) there is so far little further to report on this matter. The instrument is on an expl. car…

img148 Requesting arrangements for a Weston ammeter to be returned to the makers for repair.
View original record X1162 To Roy. from EPC. EPC3/T19.12.28. WESTON AMMETER ---------------- Herewith we hand to you a Weston ammeter No. 219099. Will you kindly arrange for this to be returned to the makers for repair.…

img149 Performance review of Park Royal and Ferranti ammeters on experimental cars.
View original record BY. from EFC X3498 EFC5/T13.2.29. PARK ROYAL AMMETER X.3498 X.4670 The Park Royal ammeter on an expl. car continues to give satisfactory performance after over 28000 miles. I am only mentioning the…

img150 Faulty Weston ammeter being returned to the makers for correction.
View original record To Roy. from FPC. W62 FPC/T12.3.29. WESTON AMMETER Herewith we hand to you a Weston ammeter No.461654. This ammeter will only read 1 division when passing 20 amperes, and this is very erratic as…

img151 Instructions detailing a successful electrical load test on a chassis lighting switch and ammeter.
View original record RR 239 (100 BKS.) (09 401-9-12 2A) MP 109970 Villa ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.Y.S. Order No. TR154 Customer's No. X 1140 Re. Chassis Lighting Switch to be secure. A test was made on a S/Y…

img152 Note regarding ammeter overload testing.
View original record EP/Thn. from EFC V11ba EFC2/T28.3.29. AMMETERS With further reference to LE7/H26.3.29. and your request for further information, the ammeter will safely stand a current of 40 amperes, i.e. 100%…

img153 White metal bearing.
View original record X3476. 5-1-21 E.V.S. F.C.H. X.347S. h.v. white metal brg. 912 12.EX for white metal only 12EX & head of bolt Enq J.H.X 7 the head of 3/4" bolt No bearings to be sent out

img154 Request to exchange a Ferranti ammeter between chassis 9-X and 12-X to accumulate more mileage.
View original record RHC. from EPC. c.c. Ha/AJL. X2498 EPC1/A36.7.29. X.3498. FERRANTI AMMETER X4622 We are anxious to get more mileage on the Ferranti ammeter at present on 9-X. It appears that 12-X runs a bigger…

img155 Damaged Ferranti ammeter to be returned to the makers for repair and potential improvement.
View original record Roy. from EFC. X3498 EFCl/AD11.7.29. FERRANTI AMMETER. Herewith we hand to you Ferranti ammeter which we regret has become damaged. Will you please have this returned to the makers for repair. If they…

img156 Recommendation to procure six Ferranti chassis ammeters for comparison against existing instruments.
View original record X 3498. By. from EFC. EPC2/ADS.9.29. X.3498. FERRANTI AMMETER. We recommend that we should put in hand, a supply to us of six Ferranti chassis ammeters made up to our standard finish, for direct…

img157 Chasing the repair status of an experimental Ferranti Ammeter.
View original record Roy. from EPC. X3498 EFC3/AML.8.9.29. X, 3498. FERRANTI AMMETER. About 10 weeks ago we sent to you under cover of our EFC1/AML.1.7.29, the experimental Ferranti ammeter to be returned to the makers…

img158 Test report on a repaired Ferranti Ammeter and its suitability for car 14.G.I.
View original record E.7.G. X3498 1-10-29 J.D.31. X3498 Re Ferranti Ammeter This instrument has been received from the makers to-day after repair. It has been tested in accordance with the specification of test & is…

img159 Fitting of a repaired Ferranti ammeter to experimental chassis 14-G4.
View original record RHC. from EFC. c. Hs/AJL. X3498 EFC/ADL.10.29. X.3498. FERRANTI AMMETER. Herewith we hand to you the Ferranti ammeter which we have recently received back from repair. Will you please arrange to have…

img160 The overload testing of a standard Elliott Ammeter with a 30SWG fuse.
View original record E.Z.L. X4622 9-10-29 J.D.32. X4622 Re Testing of Std Elliott Ammeter on overload with 30SWG fuse. A Std chassis Elliott Ammeter type M.R. was obtained from stock & also the wires in the ammeter &…

img161 Page two of a test report on an ammeter's resilience to a short circuit when protected by a fuse.
View original record II ID 32 was retested & found to be still in perfect condition. The variable resistance was then cut out, which is equivalent to the earthing of the Klaxon causing a short on the battery. The current…

img162 Notice about the fitting of a Ferranti ammeter to 14-G4.
View original record X3498. 31.10.29. X. 3498. FERRANTI AMMETER. The Ferranti ammeter is now fitted to 14-G4. GJ.

img163 Elliott Ammeters and the grouped instrument board assembly.
View original record X4629 By. from EPC. c. Sft. EPC3/AM 2.11.29. X.4622. ELLIOTT AMMETERS. X7530. GROUPED INSTRUMENT BOARD ASSEMBLY. Please find attached copy of my assistant's report J.D.38. No doubt you will take some…

img164 Dust contamination issues during instrument board assembly, specifically affecting the Elliott ammeter.
View original record COPY. J.D.38. 8.11.29. X.4622. X.7530. GROUPED INSTRUMENT BOARD ASSEMBLY. Mr. Dakin of the Test Dept. has informed me that they have a lot of trouble with the Elliott ammeter due to sticking of the…

img165 Continued discussion on rectifying faulty instruments and determining responsibility.
View original record J.D.38. contd. -2- we cannot blame the makers and expect them to rectify the instruments free of charge. I suggest something should be done on the lines laid out above to see if we cannot get rid of…

img166 Confirming the satisfactory arrangement for the assembly of instruments, referencing earlier memos.
View original record X4628 LFC. 14.11.29. The arrangement to be made for the assembly of these instruments should be satisfactory if carried out as in memos RPT6/Bl3.11.29 and ..PT7/Bll.11.29. CJ.

img167 Testing and procuring Park Royal Co. chassis ammeters.
View original record X4622 To R. from EFC. c. Sg. c. Wor. E. c. Da. EV. EFC1/AD27.11.29. X4670 X4622 X3498 CHASSIS AMMETERS. A sample 20-0-20 chassis ammeter made by the Park Royal Co. and received on 18.6.27. ran 28,045…

img168 The testing and comparison of Ferranti and Park Royal chassis ammeters.
View original record EFC/AD2/31.1.29 contd. -2- complaints of sticking. We have also on test on an experimental car, a sample Ferranti chassis ammeter, the second sample we have had. The first had to be returned for a…

img169 Quotation for six sample Ferranti chassis ammeters.
View original record X3498. Roy. from EFC. c. Hy. EFC3/AD3.12.29. X.3498. FERRANTI AMMETER. We have recently received two visits from Mr.Lawton from Messrs. Ferranti with reference to Ferranti chassis ammeters. Our…

img170 Letter from Ferranti Ltd. to Mr. Fowler Clark regarding dashboard instruments and an order for Chokes and Resistances.
View original record X3498 ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY FERRANTI LTD ELECTRICAL & GENERAL ENGINEERS, HOLLINWOOD, LANCASHIRE. TELEGRAMS: FERRANTI, HOLLINWOOD TELEPHONE: Fallsworth 161. (Private…

img171 Letter to Ferranti Ltd. regarding the performance and construction of dashboard ammeters.
View original record X 3498. EFC1/AD. 10th December, 1929. Messrs. Ferranti Ltd. Hollinwood, Lancs. For the attention of Mr. Baggs. Dear Mr. Baggs, I duly received your letter Radio/G.C. of the 7th inst. in regard to the…

img172 Letter from Ferranti Ltd regarding complaints of sticking instruments due to foreign matter in the magnet gap.
View original record X3498. ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY FERRANTI LTD ELECTRICAL & GENERAL ENGINEERS. HOLLINWOOD. LANCASHIRE. LONDON OFFICE. BUSH HOUSE, W.C.2. TELEGRAMS: FERRANTI, ESTRAND LONDON…

img173 Specification for the production inspection and testing of a chassis ammeter.
View original record X4622 3.1.30. X 4622 X 3498 CHASSIS AMMETER. SPECIFICATION OF PRODUCTION INSPECTION & TEST. (1) The instrument should be tested by means of a twelve volt battery and sensitive voltmeter to ensure that…

img174 The testing and suggested improvements for Ferranti Ammeters Type B.S.I.
View original record E.L.E. ID.55. X3498 13-2-30. X3498. Ferranti Ammeters Type B.S.I. 5 instruments of the above type nos 32352/6 made to a similar finish as our Standard Elliott have been tested. They are of a matt…

img175 Test report on the satisfactory performance of five instruments regarding damping, accuracy, and overload.
View original record II J.Q.55. The damping of the movement is quite satisfactory & is equally dead beat with the Elliott. All the instruments read correctly within 1% & shew no sign of stiction. An overload current of 90…

img176 Letter to Ferranti Ltd. providing feedback on the design, finish, and performance of sample chassis ammeters.
View original record X3498 c. Roy c. Mailing. EFC5/AD. 14th February, 1930. Messrs. Ferranti Ltd. Hollinwood, Lancs. For the attention of Mr. Baggs. Dear Sirs, Ferranti chassis ammeters type B.S.1. We duly received five…

img177 Instruction to fit a Ferranti ammeter type B.S.1 to a 20 HP chassis 12-CIV.
View original record RHC. from EPC. c. Hs/AJL. EFO6/AM 4.2.30. X.3498. FERRANTI AMMETER TYPE B.S.1. Herewith we hand to you Ferranti ammeter type B.S.1. No.32352. Will you please arrange to have this put on 20 HP. chassis…

img178 Replacement of Ferranti ammeters on chassis 14-EX and 17-G4.
View original record RHC. from EFC. c. Hs/AJL. X3498 EFC3/ADL 8.2.30. X.3498. FERRANTI AMMETERS. Two of the above instruments made up to our standard finish are being handed to Mr.Tooly. Will you please arrange for these…

img179 Letter from Ferranti Ltd. regarding a query about the shape of ammeter pointers.
View original record X3498 ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY FERRANTI LTD ELECTRICAL & GENERAL ENGINEERS, HOLLINWOOD, LANCASHIRE. INCORPORATED IN THE YEAR 1905 TELEGRAMS: FERRANTI, HOLLINWOOD…

img180 Letter from Ferranti Ltd. confirming design modifications to five sample instruments based on feedback.
View original record X3498 ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY FERRANTI LTD ELECTRICAL & GENERAL ENGINEERS, HOLLINWOOD, LANCASHIRE. TELEGRAMS: FERRANTI, HOLLINWOOD TELEPHONE: Failsworth 161, (Private…

img181 Extract from Mr. Hancock's report on 14-GIV after 14,000 miles.
View original record X3498 5.4.30. Extract from Mr. Hancock's report on 14-GIV after 14,000 miles. FERRANTI AMMETER. The ammeter has not fluctuated, the readings being more or less dead beat. We have not observed any…

img182 Instruction to fit a Ferranti ammeter No.32356 to experimental chassis 16-C4.
View original record X3498 RHC. from EFC. c. Hs/AJL. EFC2/AD8.4.30. X.3498. FERRANTI AMMETER NO.32356. Will you please arrange to fit Ferranti grouped type chassis ammeter No.32356 to experimental chassis 16-C4, which has…

img183 The mileage recorded by Ferranti and Park Royal ammeters on various car chassis.
View original record X3498 2.6.30. X.4670. X.3498. AMMETER MILEAGES ON CARS. These ammeters have now ran the miles as stated on various chassis. Ferranti ammeters. Instr. No. Chassis or Lab. Miles ran. - 14-GIV 30,186…

img184 Standardization of either the Ferranti or Park Royal ammeter.
View original record X3498 Roy. from EFC. EFCL/AM4.6.30. X.3498. FERRANTI AMMETER X.4670. PARK ROYAL AMMETER. The position in respect of the above ammeters is now that both makes have run satisfactorily sufficient mileage…

img185 Recommending Ferranti over Park Royal as the supplier for Ammeters, based on their technical, commercial, and financial standing.
View original record X3498 To EFC. from ROY. ROY/M/28.6.30 Y4670 X3498 AMMETERS EFC1/AM/4.6.30 - There is no doubt in my mind that the Ferranti stands higher technically, commercially, and financially, than the Park Royal…

img186 Notification of a Ferranti ammeter allotted for chassis 18-GIV.
View original record X3498. RHC. from EFC. c. Hs/AJL. cPC3/AD23.6.30. X. 3498. AMMETER FOR 18-GIV+ Will you please note that we have allotted Ferranti ammeter No. 32355 for chassis 18-GIV this being a type of instrument…

img187 Standardisation proposal to approve the Ferranti ammeter as an alternative British-sourced part to the existing Elliott ammeter.
View original record RR 75B REVISED (10M) (DO 348 19-7-28) B.K. 5/543. STANDARDISATION OF CHASSIS PARTS COMPLETED 14.7.30. Date 25.6.30. Description of Parts. FERRANTI AMMETER. (as second string to present standard…

img188 The comparative testing and subsequent standardisation of Ferranti ammeters.
View original record To R. from F.C. c. c. C.E. c. c. D. c. c. Hor. LPC2/ADA.7.30. X.3498. FERRANTI AMMETERS. Some time since writing our PC1/AD27.11.29 it was considered that in view of the high commercial, financial and…

img189 Standardisation of ammeters for the 40/50 HP and 20/25 HP chassis.
View original record -2- AEC2/ADM.7.30. contd. sheet for Ferranti ammeters for both the 40/50 HP. and 20/25 HP. chassis has been circulated, with a view to standardising these instruments in parallel with the present…

img190 Ordering Ferranti ammeters as an alternative to Elliott instruments, and clarifying their specifications.
View original record EFC. BY/Cgh16/G.17.7.30. X.3495. RE FERRANTI AMMETERS. With reference to the standardisation sheet which has been completed in connection with the above, which we propose to order as an alternative to…

img191 Note on the ordering and specification of Ferranti Ammeters, including details on finishes, covers, and types.
View original record 67E. X. 3498 19-7-30 J.D.79. X 3499 Ferranti Ammeters. The first Ferranti Ammeters nos 32352-6 were ordered to Drg no F75652 in our standard patel finish & supplied with metal covers. The covers were…

img192 The standardization of Ferranti Ammeters following test results.
View original record X3498. To BY/Cgh. from EFC. EPC1/BE22.7.30. X.3498. Ferranti Ammeters. Answering your BY/Cgh16/G17.7.30. the Ferranti Instruments Nos. 32352-6, upon the results of tests of which these ammeters have…

img193 Log sheet for a Ferranti Ammeter tracking its usage, condition, and mileage from 1928 to 1930.
View original record EXPERIMENTAL RECORD SHEETS FXNO 3498 Ferranti Ammeter Date on. | Location. | Date off. | REMARKS. | Miles Start. | Miles Finish. | Miles Covered. | Total Miles. --- | --- | --- | --- | --- | --- | ---…

img194 Standardization of ammeters for left-hand drive chassis.
View original record 13498 To Ev. from Roy. c. Wor. c. Hs. Roy5/MG2.9.30. X.1162 AMMETERS X.4622 X.3498 You will recollect that for a period of years we fitted Weston ammeters to all our chassis. At a later date, in order…

img195 Request for the inspection and readjustment of a faulty cut-out and ammeter from vehicle 25-EX.
View original record X3498 RHC. from EFC. c. Hs/AJL. EFC./AD27.9.30. CUT-OUT AND AMMETER ON 25-EX. X7740. The adjustment of the cut-out on 25-EX does not appear to be quite right and also the movement of the ammeter…

img196 Cancellation of a previous instruction and new instructions for fitting a Ferranti ammeter.
View original record X3498 RHC, from EFC. c. Rs/AJL. EFC1/AD29.9.30. X.3498. FERRANTI AMMETER NO.32356. This is to cancel the instruction contained in our EFC2/AD8.4.30 for putting this ammeter on experimental chassis…

img197 Supply status of Ferranti ammeters for F Benti matters.
View original record X3498 LFC. 31.10.30. F BENTI MATTERS. X.3498. A number of Ferranti ammeters are on order but are not yet supplied on production. CJ.

img198 The disposal of Elliott ammeters.
View original record X4622 Roy. from EFC. EFC3/AD20.11.30. X.4622. ELLIOTT AMMETERS. We have a number of the above ammeters of which we wish to dispose. Before, however, giving details of these will you please say what…

img199 Request for information on Elliott Ammeters that are scheduled for disposal.
View original record X4622 EFC. ROY/MS7/P.20.11.30. X.4622. ELLIOTT AMMETERS. In reply to yours EFC3/AD20.11.30, regarding Elliott Ammeters for disposal. Will you please advise Wd. giving the Instrument Nos., the Drawing…

img200 Requesting the disposal of several Elliott ammeters.
View original record X4622. Wd. from EFC. EFC1/AD21.11.30. X.4622. ELLIOTT AMMETERS. Will you please arrange for the disposal of the Elliott ammeters as listed below. These are all to Drawing Nos. F.75652/5 namely, open…

img201 Collection, credit, and disposal arrangements for several Elliott ammeters.
View original record X4622 Wd. from EFC. EFC1/AD2.12.30. X.4622. ELLIOTT AMMETERS. As a result of our EFC1/AD21.11.30, a progress man has been to us and collected Elliott ammeters No.153013 and two others with cream dial…

img202 Instruction to refit a Ferranti ammeter from chassis 19-EX to 18-EX and return the existing Park Royal instrument.
View original record X3048 RHC. from EFC. c. Hs/AJL. EPC5/ADL.12.30. Will you please arrange for Ferranti ammeter No. 32356 for which our instruction stands with you at present to have this fitted to 19-EX, to be fitted…

img203 Mileage and test log for a Ferranti Ammeter, model 32352 Type B.S.I.
View original record X3498. ( SISTEMA EXPERIMENTAL RECORD CARD XNo-3498. Ferranti Ammeter no 32352 Type B.S.I. Table Columns: Date on, Location, Date off, Tested on Report No., [Date], Miles When Start., Miles When…

img204 Test record log for Ferranti Ammeter no. 32353 Type B.S.I.
View original record IXNO-3498 EXPERIMENTAL COMPONENTS & FITTINGS. Ferranti Ammeter no. 32353 Type B.S.I. Headers: Test on, Location, Date off, Remarks, As rec'd Peak, As rec'd Start., As returned Peak, As returned…

img205 Test and usage log for Ferranti Ammeter no 32354, Type BSI.
View original record EXPERIMENTAL WORK SHEETS XNo 3498 Ferranti Ammeter no 32354 Type BSI DATE ON | LOCATION | DATE OFF | REMARKS | T.D.O. READING START | T.D.O. FINISH | MILES COVERED | TOTAL MILES 12-2-30 | Lab |…

img206 Service and mileage record sheet for a Ferranti Simplexer, number 32355.
View original record EXTRA INSTRUMENT RECORD SHEETS 1XNO 3498 Ferranti Simplexer no 32355 Type BS1 | Date on | Location | Date off | REMARKS | Miles Reading Start. | Miles Reading Finish. | Miles covered | Total Miles. |…

img207 Experimental record sheet for a Ferranti Ammeter, number 32356, type B.S.1.
View original record E.X. Dept A. EXPERIMENTAL RECORD SHEETS. Ex NO 3498 Ferranti Ammeter no 32356 Type B.S.1. Column Headers: Date on., Location., Date off., REMARKS., Miles reading start., Miles reading finish., Miles…

img208 Chasing a response regarding the disposal of Park Royal and Elliott ammeters.
View original record Wd. from EFC. X4620 EFC7/AD8.1.31. X.4670. PARK ROYAL AMMETERS X.4622. ELLIOTT AMMETERS. May we refer you to our EFC7/AD2.12.30, regarding the disposal of certain Park Royal ammeters, to which we do…

img209 The inspection of Elliott Ammeters against a blueprint, noting discrepancies and required new cases.
View original record X4120 EFC. ROY/MS7/P.20.1.31. RECEIVED X.4622 - ELLIOTT AMMETERS. In reply to yours EFC1/AD.2.12.30. addressed to Wd, will you please have the two instruments Nos. 153012 & 164148 inspected to see if…

img210 Differences between two specific Elliott Ammeters (Nos. 153012 & 164148) and the standard drawing F.75652/5.
View original record Roy. from EFC. X4622 EFC2/AD3. 2. 31. X.4622. ELLIOTT AMMETERS NOS. 153012 and 164148. Replying to your Roy/Ms7/P20.1.31, the two Elliott ammeters numbered as above correspond to drawings F.75652/5…

img211 Requesting instructions for the disposal of two Elliott Ammeters.
View original record X4622 Roy/Ms. from EPC. EFC2/AD9.3.31. X.4622. ELLIOTT AMMETERS NOS. 153013 and 164148 FOR DISPOSAL. Further to our EFC2/AD3.2.31 we should be pleased to have your instructions for disposal of the…

img212 Proposing to use a cheaper moving iron type ammeter instead of the current moving coil type for cost reduction.
View original record X6132 Extract from memo in X.6084 ref. Hs/H.M/AD30.5.31. Ammeter. If we wish to reduct costs we suggest that we might use an ammeter of the more usual moving iron type instead of the present moving…

img213 Request to approach Messrs. Ferranti to submit a moving iron chassis ammeter for testing.
View original record Y6132 Roy. from Hs/HEW. Hs/HEW5/AD6.6.31. We should be glad if you will approach Messrs. Ferranti with a view to their submitting for our test a moving iron chassis ammeter similar in pattern to our…

img214 Suggesting making enquiries with an alternative supplier for a polarised moving iron chassis ammeter.
View original record X6132 Roy. from Hs/HEW. Hs/HEWL/AD6.7.31. POLARISED MOVING IRON CHASSIS AMMETER. As Messrs. Ferranti's representative did not give us a very satisfactory reply, we suggest that similar enquiries be…

img215 Inquiry to Ferranti's regarding the production of a polarised moving iron chassis ammeter.
View original record X6132 Roy. from Hs/HEW. Hs/HEW3/AD20.8.31. We should be glad to know if Ferranti's have done anything further in the matter of producing for us a polarised moving iron chassis ammeter. Hs/HEW.

img216 Use of a more robust and less expensive moving iron type ammeter for the chassis instrument board.
View original record Y (122) To R. From Hs/West. c. to Sg. Mor. c. to E. Da. c. to By. Hs/West.C/WJ.14.10.31. AMMETERS FOR CHASSIS. Some time ago you wrote suggesting that we should use moving iron type of ammeter which…

img217 Agreement to obtain a moving iron type of ammeter for the instrument board.
View original record HS/WST. FROM R. X6132 R1/W20.10.31. C. to SO. WOR. C. to E. DA. BY. CHASSIS AMMETERS. Replying to your HS/WST6/WJ141031., I agree to obtaining a moving iron type of ammeter to suit our instrument…

img218 Request to source an ammeter with an inverted sketch for the 20/25 HP and Phantom II chassis.
View original record X(132) NOT. c. Hs. BY/Cgh.6/G. 20.10.31. [STAMP: PRINTED] [STAMP: HS] INSTRUMENTS. ---------- We attach sketch showing Ammeter with inverted Will you please take this matter up with the Makers, and…

img219 Alteration of Ferranti ammeters for inverted mounting.
View original record To BY. from ROY. c. to Hs. ROY/M/23.10.31 Ammeters BY/Cgh.6/G.20.10.31 - Ferranti Limited advise there is no objection, as far as they are concerned, in making our Ammeters in the inverted position,…

img220 Specification for the inspection and testing of a chassis ammeter.
View original record X6122 CHASSIS AMMETER. SPECIFICATION OF INSPECTION & TEST. (1) The instrument should be tested by means of a twelve volt battery and sensitive voltmeter to ensure that the electric circuit through the…

img221 On the practice of replacing ammeters with control warning lamps on chassis electrical systems by Continental manufacturers.
View original record X6132 To R. from Hs/Wst. c. E. c. SG. Hs/Wst. 2/AMO.11.31. AMMETERS ON CHASSIS. Y6132 Both the Bosch and Scintilla concerns, which are the two largest Continental manufacturers of electrical…

img222 Suitable ammeters and self-winding clocks for cars, recommending against Lucas and in favour of Weston, Elliott, or Ferranti ammeters and Boyce clocks.
View original record HS. FROM R. C. to MR. WOR. BY. 4615 R2/M28.11.31. (6152 Sent off 30.11.31 (8022 INSTRUMENTS FOR THE CARS. (re. VISIT OF HS. AND WST.) AMMETER. The price we pay and the delicacy of the ammeter makes it…

img223 Inquiry to the Weston Electric Instrument Co. about a moving iron ammeter.
View original record X1162 Hs/Wst.1/AD. November 30th, 1931. The Weston Electric Instrument Co. 15, Great Saffron Hill, London, E.C.1. Dear Sirs, Weston Polarised Moving Iron Ammeter. We are anxious to fit a moving iron…

img224 Letter regarding a sample polarised moving iron Ammeter with cracked glass and plans for future UK manufacturing.
View original record X1162 TELEGRAMS: INLAND.- PIVOTED, SMITH, LONDON. FOREIGN.- PIVOTED, LONDON. CODES:- A.B.C. (5TH & 6TH EDN) LIEBER'S, MARCONI, BENTLEY'S. TELEPHONE: HOLBORN 8029. WESTON ELECTRICAL INSTRUMENT CO.,…

img225 Letter from Weston Electrical Instrument Company Ltd. awaiting further comments.
View original record Messrs. Rolls-Royce Limited. 3/12/31. (2) We await the favour of your further comments, and beg to remain, Yours truly, WESTON ELECTRICAL INSTRUMENT COMPANY LTD. [Signature] MANAGING DIRECTOR.

img226 Quoting the Weston Electrical Instrument Co. regarding a sample polarised moving iron ammeter.
View original record X6132 To R. from Hs/Wst. c. Sg. Wor. c. Ry. POLARISED MOVING IRON AMMETER. We have approached the Weston Electrical Instrument Co. and they are forwarding to us a sample instrument of the type that…

img227 Request to order a B.M.2 Ammeter from Messrs. Joseph Lucas, Ltd. as the sample was rendered unfit for return after examination.
View original record Y6022 Rey C - Hs. BY/RD2/W.7-12-31. Will you please send an order to Messrs.Joseph Lucas,Ltd.,for :- 1 - B.M.2. Ammeter. We obtained a sample Ammeter for Experimental Department's examination and test…

img228 Letter to the Weston Electric Instrument Co. detailing the test results of a loaned moving iron chassis ammeter.
View original record Hs/Wst.1/AD. December 14th, 1931. The Weston Electric Instrument Co. 15, Great Saffron Hill, London, E.C.1. Dear Sirs, Weston Moving Iron Chassis Ammeter. We have now received and tested the small…

img229 Letter requesting comments on test results and clarification on instrument discharge capacity.
View original record Ha/Wst.1/AD.14.12.31 contd. -2- on these test results and also we should be interested to have from you a statement as to what is the maximum momentary discharge which can be sent through these…

img230 Follow-up letter to the Weston Electrical Instrument Co. regarding a Weston Moving Iron Chassis Ammeter.
View original record Y1160 He/Wst.3/AD. January 2nd, 1932. The Weston Electrical Instrument Co. Kingston Byepass, Surbiton, Surrey. Dear Sirs, Weston Moving Iron Chassis Ammeter. We cannot trace having received a reply to…

img231 Correspondence regarding a request for an order to repair a damaged Ammeter No. 158478.
View original record Y4627 Hs/Wst. ROY/JT13/HP.4.2.32. Replacement Order R.1099. With reference to Ammeter No.158478 recently returned to Messrs. Elliott Bros. to your instructions. Makers have duly examined this…

img232 Requesting the repair and stocking of an Elliott Ammeter.
View original record X4622 Roy/JT. From Hs/Wst. Hs/Wst.2/MA.5. 2. 32. ELLIOTT AMMETER No. 158478. With reference to your Roy/JT.13/HP.4.2.32. we should be glad if you will kindly have this instrument repaired and put into…

img233 Letter to The Weston Electrical Instrument Co. Ltd. regarding a lost or misplaced letter from the previous month.
View original record X1162 Hs/Wet.3/AD, January 7th, 1932. The Weston Electrical Instrument Co.Ltd. Kingston By-Pass, Surbiton, Surrey. Dear Sirs, We are in receipt of your post-card of the 5th inst. ref. AKA/MEB. We…

img234 Letter from Weston Electrical Instrument Co. regarding the performance and potential supply of Model 354 Ammeters.
View original record X1162 WST TELEGRAMS: INLAND. - PIVOTED, SURBITON. FOREIGN. - PIVOTED, SURBITON. CODES. - A.B.C.(5th Edition) LIEBER'S, MARCONI, BENTLEY'S. TELEPHONES: ELMBRIDGE 6400 & 6401. WESTON ELECTRICAL…

img235 Testing of a Weston moving iron ammeter for the 40/50 instrument patch, comparing it to a Lucas ammeter.
View original record X1162. Roy, from Hs/Wst. c. Ev, Wor, F. 14/11/32. Hx Hs/Wst.9/ADK5.1.32. MOVING IRON AMMETER FOR 40/50 INSTRUMENT PATCH For some time we have been testing a Weston moving iron ammeter such as is…

img236 Test report on the accuracy and performance of a Moving Iron Ammeter.
View original record Copy for Files. MOVING IRON AMMETER. Accuracy correct, in both directions. Insulation correct. Reasonably damped. Reads .5 amp lower in vertical position than when horizontal. Accuracy maintained at…

img237 Confirmation that the proposal for a Weston Moving Iron Ammeter has been dropped.
View original record Y1162 To Hs/Wst. from ROY. ROY4/JG16.2.32 Moving Iron Ammeter for 40/50 Instrument Fatch Hs/Wst.9/AD15.1.32 - Confirming our conversation on Saturday (13th) I understand the proposal to consider a…

img238 Letter to Joseph Lucas Ltd. concerning the testing of a sample ammeter and the need for improved damping.
View original record X6132 HS/Wat.A/AD. April 10th, 1932. Messrs. Joseph Lucas Ltd., Great King St., Birmingham. For the attention of Mr. W. E. Holman. Dear Sirs, We have tested the sample ammeter which your Mr. R. M.…

img239 Inquiry to various suppliers regarding the production and price of a moving coil ammeter.
View original record Roy. From Hs/Wst. X(-129 Hs/Wst.1/MA. 23.4.32. MOVING COIL AMMETERS. We have not yet definitely decided against these and we should be glad if you will enquire of Messrs. Ferranti Ltd., Weston…

img240 Letter to Joseph Lucas Ltd. requesting samples of damped Lucas Ammeters for trial.
View original record XG132 HS/Wst.6/1A. May 11th, 1932. Messrs. Joseph Lucas Ltd., Great King St., Birmingham. For the attention of Mr. W. H. Robinson. Dear Sirs, With further reference to our letter of the 19th ult. r/f…

img241 Letter from Joseph Lucas Limited regarding the development of Ammeters with special damping.
View original record REGISTERED OFFICES & GENERAL DEPTS GREAT KING STREET, BIRMINGHAM. LONDON OFFICE & SHOWROOMS 319, REGENT STREET, W.1. X6132 LUCAS KING OF THE ROAD LAMPS LUCAS STARTING & LIGHTING EQUIPMENT FOR CARS,…

img242 Tests on Kigass ignition distributors, coils, and observed oscillations.
View original record A.P.L./E.H. KIGASS IGNITION Distributor Test Oscillations. (1). Local tests O.K. (2). Following distributor, we are having made a new coil, a new wiper. Today, we ran the coil up to 25,000 sparks per…

img243 Request for a C.A.V. Ammeter on approval for use with commercial vehicles and buses.
View original record XG722 Roy. From Hs/Wst. Hs/Wst.12/MA.13.2.33. C.A.V. AMMETER. Will you please obtain for us on approval one C.A.V. ammeter such as they supply for use with commerial vehicles and buses working with a…

img244 Sample C.A.V. moving coil chassis ammeter and obtaining a central zero version.
View original record x6132 ROY/MS. From Hs/Wst. Hs/Wst.5/MA.3.3.33. C.A.V. AMMETER. You have obtained for us on approval a sample C.A.V. moving coil chassis ammeter. We note, however, that this in not of the central zero…

img245 The urgent procurement and testing of a Weston Moving Iron Chassis Ammeter.
View original record FDY. from Hs/Wst. c. BY/RD. c. E. 81162 Hs/Wst.3/KT. 22.3.33. WESTON MOVING IRON CHASSIS AMMETER. We have found this ammeter to be so satisfactory that we would like you to obtain for us from Messrs…

img246 Whether to fit an ammeter to a chassis with a vibrator-controlled dynamo.
View original record To R. From Hs/Wst. A. L. H. C. Wor. PH. C. Ry. DA. x6132 Hs/Wst.3/KT. 29.3.33. DELETION OF AMMETER ON CHASSIS. In connection with the fitting of vibrator controlled dynamos to our chassis, the…

img247 Arguing against the deletion of ammeters from the chassis, suggesting it would give an impression of skimpiness.
View original record Hs/Wst. WST x6132 BY/RD5/W.30.3.33. DELETION OF AMMETERS ON CHASSIS. Referring to your Hs/Wst.3/KT.29.3.33, our opinion is that an ammeter should be fitted and is a very useful fitment, despite the…

img248 Potential deletion of the ammeter from the chassis and the decision to retain it.
View original record RECEIVED WDA JA 1933 To R.from E. For. P.W. Hs. By. De. 36,32 x698 Deletion of ammeter on chassis. Referring to Hs/Met./KI.29.3.33, although it is agreed the ammeter may be the cause of misleading…

img249 Inquiry to Ferranti Ltd regarding the specifications of a microammeter.
View original record x3497. Hs/Wst.17/KT. April 4th 1933. Messrs Ferranti Ltd, Hollinwood, Lancs. Dear Sirs, We should be pleased if you would kindly inform us what the millivolts per division are for the Ferranti 0-500…

img250 The deletion of an ammeter from the chassis equipment.
View original record WST x6/32. COPY from W.S. Deletion of Ammeter on Chassis. Referring to Ee/WST/KT.9.3.33 I agree with you that an ammeter is too generally useful for us to be justified in leaving it out of our…

img251 Letter from Ferranti Ltd providing specifications for a 2.5' Micro-Ammeter.
View original record x 3496. ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY FERRANTI LTD ELECTRICAL & GENERAL ENGINEERS, HOLLINWOOD, LANCASHIRE. TELEGRAMS FERRANTI HOLLINWOOD TELEPHONE FAILSWORTH 2000 (PRIVATE…

img252 Follow-up letter regarding the progress and urgent need for Weston moving iron chassis ammeters for various chassis models.
View original record x1162 Roy. From Ha/Wst. c. to By/RD. c. to E. Ha/Wst.4/MA.10.5.33. WESTON MOVING IRON CHASSIS AMMETERS. On the 22 nd., of March we wrote to you with reference to the above, reference Ha/Wst.3/KT.…

img253 Request to order twelve ammeters of two different specifications from Joseph Lucas Co. Ltd.
View original record 26.1.32 Roy. From Ha/Wst. Ha/Wst.11/MA.16.1.34. Will you please order for us from the Joseph Lucas Co.Ltd. six ammeters to drawing DB174 to order No.54107 and six ammeters to drawing D.73920 to order…

img254 Letter to Weston Electrical Instrument Co. Ltd. proposing a visit to discuss difficulties with ammeters.
View original record c. to Roy. RU63 Ha/Wst.10/MA. June 16th., 1933. The Weston Electrical Instrument Co.Ltd., Kingston By-Pass, Surbiton, SURREY. Moving Iron Ammeters for R.R. Chassis. Dear Sirs, The undersigned propose…

img255 Letter from Weston Electrical Instrument Company regarding Moving Iron Ammeters and a planned visit.
View original record X1162 TELEGRAMS: INLAND:- PIVOTED, SURBITON. FOREIGN:- PIVOTED, SURBITON. CODES:- A.B.C.(4TH EDITION) LIEBERS,MARCONI,BENTLEYS. TELEPHONES: ELMBRIDGE 6400 & 6401. WESTON ELECTRICAL INSTRUMENT CO.,…

img256 Telegram confirming Mr. Smith's arrival with three ammeters to Roycar, Derby.
View original record 19th July, 1933. ROYCAR, DERBY. MR. SMITH ARRIVING WITH THREE AMMETERS TO-MORROW. ARRIVAL TIME WILL BE TELEGRAPHED LATER. PIVOTED. HC.

img257 High cost of a modified Weston ammeter and inquiring about a cheaper alternative from Ferranti for the Bensport chassis.
View original record Roy. From Ha/Wst. c. to S. c. to Ry. -6132. Ha/Wst.2/MA.21.6.33. MOVING IRON DAMPED MOVEMENT AMMETER FOR BENSPORT CHASSIS. As the cost of the modified Weston ammeter appears to be so excessive we…

img258 Required modifications for custom meters supplied by Weston Electrical Instrument Co. for the Pensport Chassis.
View original record E. From Ha/Wat. c. to Ry. c. to Roy. Ha/Wet.5/MA.23.6.3. CUSTOM METERS FOR PENSPORT CHASSIS. We visited the Weston Electrical Instrument Co., yesterday and saw Mr. Davy the Managing Director in…

img259 Letter to The Weston Electrical Instrument Co. regarding the finish of a new ammeter for a Bentley chassis.
View original record x116a Ha/Wat.9/MA. June 23rd., 1933. The Weston Electrical Instrument Co., Kingston-By-Pass, Surbiton, SURREY. Dear Sirs, With reference to the finish of the new ammeter for our Bentley chassis we…

img260 Letter from Weston Electrical Instrument Co. Ltd. regarding the finish preference for a bevelled ring on a returned sample.
View original record x1162 TELEGRAMS: INLAND.— PIVOTED, SURBITON. FOREIGN.— PIVOTED, SURBITON. CODES.— A.B.C.(4th Edition) Liebers,Marconis,Bentleys. TELEPHONE: ELMBRIDGE 6400 & 6401. WESTON ELECTRICAL INSTRUMENT CO.,…

img261 Returning a Weston ammeter from a Bentley chassis to the manufacturer for a scale update.
View original record 81162 Roy. From Hs/Gst. c. to G/MT. c. to F/BH. Hs/st.4/WA.13.7.33. WESTON AMMETER. Will you please return to Messrs. Weston a Bentley chassis ammeter No.19742-2 to have the latest up-to-date scale…

img262 Letter from Joseph Lucas Limited regarding the mechanism of a damped ammeter.
View original record MOTOR EXHIBITION OCT 12-21 OUR STAND No. 446 Gallery & WORKS BIRMINGHAM ADMIRALTY INDIA OFFICE RAILWAYS TRADE MARK 86132 JOSEPH LUCAS LIMITED GREAT KING STREET BIRMINGHAM 19 TELEPHONE: NORTHERN 5201…

img263 Diagram of a rotating mechanical assembly with a connecting rod, showing various measurements.
View original record 37° ℄ of METER .875 .343

img264 Cover note for a letter to the Weston Electrical Instrument Co. concerning a zero error on instruments for R.R. and Bentley chassis.
View original record 81162 E. From Hs/Wst. c. to Y. c. to EV. Hs/Wst.5/WA.27.12.33. PETROL MATTERS ON R.R. AND BENTLEY CHASSIS. We attach herewith copy of a letter we have sent to the Weston Electrical Instrument Co.,…

img265 Faulty ammeters on Bentley and Phantom II models which fail to return to zero, and the subsequent actions with the supplier, Westons.
View original record C - Ha/Wst. WST 81162 BY/RDA/W.28.12.33. AMMETERS FOR BENTLEY AND "PHANTOM II" ROLLS-ROYCE. With reference to your complaint that the ammeter needles on the above instruments do not return to zero…

img266 Letter to the Weston Electrical Instrument Co. Ltd. regarding a zero error fault in ammeters for Bentley Chassis.
View original record 81162 Wa/Wst.YMA. 27th, December, 1933. The Weston Electrical Instrument Co.Ltd., Kingston By-Pass, Surbiton, SURREY. Dear Sirs, Weston moving iron ammeters for R.R. and Bentley Chassis. We have been…

img267 Letter investigating a hysteresis effect in a Weston ammeter, concluding the cause is residual magnetism and proposing air-cored poles as a solution.
View original record -2- We would say that this trouble was not experienced on the undamped ammeters of other manufacture which we previously fitted to our chassis. It was decided therefore to investigate the cause of the…

img268 Follow-up letter to Weston Electrical Instrument Co. Ltd. regarding a residual zero error on ammeters for R.R. and Bentley chassis.
View original record 8162 Ha/Wst.V/MA. 9th January, 1934. The Weston Electrical Instrument Co.Ltd., Kingston-By-Pass, Surbiton, SURREY. Weston moving iron ammeters for R.R. and Bentley chassis. Dear Sirs, Following our…

img269 Quality issues and failures with Weston Ammeters.
View original record To Hs From Mr. WST WESTON AMMETERS. We are very concerned with the supplies of Weston Ammeters we are receiving for production. (This question has already been taken up). We are having to reject quite…

img270 The failure of Weston ammeters and arrangements for their replacement.
View original record Hs. x1163. BY/RD4/W.11.1.34. WESTON AMMETERS. (MX9/T.10.1.34.) Mr. Davey the Managing Director of The Weston Electrical Company has been here to-day on the question of the failures of the Weston…

img271 Failure of Weston ammeters and the testing of Lucas ammeters as a potential replacement.
View original record ~162 By. From Hs/Wst. c. to E. c. to Mx. Hs/Wst.1/MA.11.1.34. WESTON AMMETER. We are much concerned with the failure of Weston ammeters in the Test Dept. Although we have had ammeters operating on…

img272 Request to obtain a Ferranti ammeter with a front bevel glass as per the Bentley standard.
View original record 23498 Roy. From Ha/Wst. Ha/Wst.1/MA.27.1.34. FERRANTI AMMETER. Will you please obtain for us another Ferranti ammeter similar to the sample we are testing but arranged with a front bevel glass as…

img273 Standardising the Ferranti Ammeter for the 40/50-HP Chassis 'S2' Series and Bentley 'B' Series.
View original record Hs/Wst. - from Roy. 83497 WST ROY/S2/P.29.1.34. Please advise as to the possibility of standardising the Ferranti Ammeter for 40/50-HP Chassis 'S2' Series and Bentley 'B' Series, in place of present…

img274 The standardization of Ferranti ammeters pending a 10,000-mile test.
View original record Roy. From Ha/Wst. Ha/Wst.4/MA.30.1.34. Re. FERRANTI AMMETERS. Referring to your Roy/MS.2/P.29.1.34., we have no prospect of standardising the above ammeters for either of the chassis mentioned until…

img275 Two Weston ammeters for the 40/50 HP Chassis.
View original record Roy. From Ha/Wat. c. to G/MT. c. to D/HP. <162. Haffst.9/MA.30.1.34. WESTON AMMETERS D.73920. We are sending into the Stores two of the above type ammeters suitable for 40/50 HP. Chassis these require…

img276 Requesting an update on the delivery of Lucas damped ammeters for an experimental test chassis.
View original record L.33 Roy. From Ha/Wst. Ha/Wst.5/MA.5.2.34. LUCAS DAMPED AMMETERS. We should be glad if you will ascertain from Messrs.Lucas Ltd., how long it will be before they can effect delivery of the ammeters…

img277 Letter to S. Smith & Sons Ltd. regarding the incorporation of damping on petrol gauge needles to reduce vibration.
View original record 86/32 Ha/Wat.10/MA. 15th March, 1934. Messrs.S.Smith & Sons Ltd., Cricklewood Works, London, N.W.2. For the attention of Mr.C.W.Nichols. Dear Sir, We wonder if it is possible for you to incorporate…

img278 Requesting a delivery timeline for a sample Ferranti ammeter for a Bentley chassis.
View original record 3491 Roy. From Ha/Wst. Ha/Wst.11/WA.15.3.34. FERRANTI AMMETER FOR BENTLEY CHASSIS. We shall be glad if you will ascertain from Messrs.Ferranti how long it will be before we receive the sample Ferranti…

img279 Letter from S. Smith & Sons acknowledging a request to investigate the damping of a petrol gauge meter needle.
View original record CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY S. SMITH & SONS (Motor Accessories) Ltd CRICKLEWOOD WORKS LONDON, N.W. 2 TELEPHONE GLADSTONE 3333 (8 LINES) TELEGRAMS SPEEDOFAC, PHONE, LONDON…

img280 The arrival and trial of Lucas Damped Ammeters for experimental chassis and Bentleys.
View original record Hs/Wst. BY/RD5/W.16.3.34. LUCAS DAMPED AMMETERS. We hand you herewith 10 Lucas Damped Ammeters which have just arrived. You will remember that we suggested having 6 for trial on experimental chassis.…

img281 Request to fit Lucas damped ammeters to a list of chassis for testing.
View original record ~6130 RHC. From Ha/Wst. Ha/Wst.9/MA.16.3.34. LUCAS DAMPED AMMETERS. We have received from Messrs.Lucas for test a number of the above ameters. Will you please arrange for one of these ammeters to be…

img282 Faulty Ferranti ammeter being returned for examination due to a short circuit.
View original record 53497 Roy. From Ha/Wst. c. to G/MT. c. to D/BP. Ha/Wst.4/MA.21.3.34. FERRANTI AMMETER FOR R.R. CHASSIS. We are sending into the Stores the sample Ferranti ammeter prepared suitable for fitting to the…

img283 The retesting of a faulty Ferranti ammeter for an R.R. chassis.
View original record Roy. From Ha/Wst. Ha/Wst.2/MA.5.4.34. FERRANTI AMMETER FOR R.R. CHASSIS. We have just received back the sample Ferranti ammeter which was returned recently to the makers due to the case not being…

img284 Letter from Ferranti Ltd. regarding a returned and repaired 40/50 HP Bentley Ammeter.
View original record 86151 ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY FERRANTI LTD ELECTRICAL & GENERAL ENGINEERS, HOLLINWOOD, LANCASHIRE. TELEGRAMS: FERRANTI, HOLLINWOOD TELEPHONE: FAILSWORTH 2000 (PRIVATE…

img285 Clarifying a confusion regarding an order for 12 Lucas damped ammeters.
View original record Roy. From Ha/Wat. Ha/Wat.11/MA.2.5.34. LUCAS DAMPED A'METERS. We understand there has been some confusion with regard to the 12 Lucas damped ammeters which were recently supplied to us, regarding the…

img286 Overload tests conducted on chassis ammeters.
View original record EXPERIMENTAL DEPARTMENT REPORT REFERENCE :- Hs/Wat.7/JA.17.5.34. Subject of Report :- Overload tests on Chassis ammeters. General Conclusions :- Heavy current accessories must not be wired through the…

img287 Overload test report on various chassis ammeters to determine their performance under heavy current.
View original record He/Wat.T/EA.17.5.34 OVERLOAD TEST ON CHASSIS AMMETERS. It has been observed that on some R.R. Chassis the coachbuilders have wired certain heavy current accessories such as cigar lighters, so that the…

img288 The calibration of various moving coil instruments before and after testing, with a concluding recommendation.
View original record -2- Ha/Wat.7/M.17.5.34. Cont'd. The subsequent calibration of the instruments however shewed a marked difference to their initial readings. In some cases, e.g. the Ferranti, C.A.V. and Elliot which…

img289 Letter from Elliott Brothers sending a new catalogue sheet for a 'Miniature Current Transformer and Ammeter' and requesting an update to their main catalogue.
View original record 630. MEMBERS OF THE BRITISH ELECTRICAL & ALLIED MANUFACTURERS' ASSOCIATION, ENGINEERING & ALLIED EMPLOYERS' NATIONAL FEDERATION, FEDERATION OF BRITISH INDUSTRIES ELLIOTT BROTHERS (LONDON) LTD.…

img290 Specification sheet for a miniature current transformer and ammeter portable testing outfit.
View original record SECTION G. MEASURING INSTRUMENTS. SHEET G 39. MINIATURE CURRENT TRANSFORMER AND AMMETER. A PORTABLE TESTING OUTFIT FOR USE WITH ALTERNATING CURRENT. (FIRST GRADE ACCURACY TO BRITISH STANDARD…

img291 Specification sheet for a miniature current transformer and ammeter portable testing outfit.
View original record SHEET G 40. MEASURING INSTRUMENTS. SECTION G. MINIATURE CURRENT TRANSFORMER AND AMMETER. A PORTABLE TESTING OUTFIT FOR USE WITH ALTERNATING CURRENT. (FIRST GRADE ACCURACY TO BRITISH STANDARD…

img292 Requesting a status update on a report for Ferranti Ammeters.
View original record WST See me TO HS/Wst from ROY. ----------------------- Can you now advise when you are likely to be ready with a report on the Ferranti Ammeters you have had under observation for some time? If the…

img293 Road tests and standardization costs for Ferranti ammeters.
View original record Roy. From He/Wst. Ha/Wst.1/MA.25.6.34. FERRANTI AMMETERS. Answering your Roy.5/MG.20.6.34., we are not ready to make a report on Ferranti ammeters as we are awaiting completion of road tests. We…

img294 Letter from S. Smith & Sons requesting one ammeter for a Bentley Panel and one for a 40/50 Rolls Panel.
View original record y6132 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY TELEPHONE: GLADSTONE 3333 (5 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON CABLES: SPEEDOFAC, LONDON CODES: MARCONI, COMMERCIAL, BENTLEY'S S.…

img295 Instructing the despatch of two chassis ammeters on loan to S. Smith & Sons for instrument panel design.
View original record D/BF. c. to G/St. c. to Roy. L X6132. HS/Wst.9/KW.30.6.34. Will you please arrange to despatch to Messrs. S. Smith & Sons (M.A.) Ltd., marked for the Special attention of Mr. F. Dorer - 2. Chassis…

img296 Requesting the accuracy testing of three Weston Ammeters from production stock.
View original record Hs/Wst. BY/RD5/W.5.7.34. AMMETERS. I am handing to you herewith three Weston Ammeters taken from the production stock. Will you please have these tested against the master instrument and let us know…

img297 Short memo regarding obtaining competitive prices for Vickers Weymouth pumps and meters.
View original record W/WST. WST 6151 ROY/PU.M.E.C.23. VICKERS WEYMOUTH. With reference to Pu/lst.M.'R.S.f.14. We have now got competitive prices from Vickers Weymouth a.c. pumps with Auto K Meters, and have also obtained…

img298 The standardization and testing of chassis ammeters.
View original record 86152 Roy. From Hs/Wat. Hs/Wat.2/MA.7.7.34. CHASSIS AMMETERS. Referring to Roy/WS.21/P.6.7.34., we have now standardized the Weston ammeter also on the 20/25 chassis. Until therefore our tests on the…

img299 Letter from supplier Joseph Lucas Ltd chasing a response on ammeter samples.
View original record HEAD OFFICES & WORKS GREAT KING ST. BIRMINGHAM CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE, G.P.O AND LEADING RAILWAYS JOSEPH LUCAS LIMITED SERVICE DEPOTS BELFAST - 7/9 GREAT…

img300 Letter to Joseph Lucas Research Laboratories regarding issues with the damping on their ammeter.
View original record e.Roup/M.S. Y 6172 Expl. Dept. HS/Wst.5/WJ. 7th. August, 1934. The Joseph Lucas Research Laboratories, Great King Street, Birmingham.19. For the attention of Mr. L.C.Toulmin. Dear Sir, Replying to…

img301 Blank or unreadable page, possibly a divider sheet.
View original record ",

img302 Blank or unreadable page with two punch holes on the right.
View original record ",

img303 Proposal to increase the ammeter range from 20 to 30 amperes for R.R. & Bentley chassis.
View original record E. From Ha/Wst. c. to By. Ha/Wst.1/MA.3.9.34. AMMETER FOR R.R. & BENTLEY CHASSIS. We have now arrived at the stage when our ammeter range should be increased from 20 to 30 amperes and we propose to…

img304 Request to obtain ammeters from Ferranti and Weston for comparative testing on a Bentley Chassis.
View original record +6751. Roy. From Ha/Wst. Ha/Wst.2/MA.3.9.34. CHASSIS AMMETERS. Will you please obtain for us from Messrs. Ferranti a further ammeter for test suitable for the Bentley Chassis having a central zero and…

img305 Letter from Ferranti Ltd confirming modifications to an instrument, including the removal of their name from the dial, as requested.
View original record x6033 ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY FERRANTI LTD ELECTRICAL & GENERAL ENGINEERS, HOLLINWOOD, THRO'D, LANCASHIRE 12th October, 1934. TELEGRAMS: FERRANTI, HOLLINWOOD TELEPHONE:…

img306 The incorrect reading of a Ferranti 30 Ampere ammeter and its return for calibration.
View original record Roy. From Ha/Wat. (S) Ha/Wat.9/MA.31.10.34. FERRANTI AMMETERS 30 AMPERE RANGE. Upon testing this ammeter on the bench along with the Weston ammeter of similar type we find that the error in the…

img307 Requesting to fit a Weston Ammeter (30-0-30 range) to J.B.IV after it passed bench tests.
View original record RHC. From Ha/Wst. Ha/Wst.3/MA.6.11.34. WESTON AMMETER 30-0-30 RANGE. Will you please arrange to fit to J.B.IV. the above ammeter which has satisfactorily passed our bench tests. Ha/Wst.

img308 Faulty ammeter on 27-EX and a request for its replacement.
View original record RHC. From Hs/Wst. Ha/Tet.4/MA.6.11.34. AMMETER ON 27-EX. This instrument is sticking badly. Will you please arrange to replace it with another instrument. Hs/Wst.

img309 Requesting the modification of a Ferranti Ammeter to match a recently delivered sample.
View original record Copy. From Ha/Pat. c. to D/MT. c. to D/SF. Ha/Pat.SV/MA.C.11.34. FERRANTI AMMETER. We are sending into the stores the original sample you obtained for us. Will you please arrange for this instrument…

img310 Potential standardization of Ferranti ammeters to replace the current Weston type.
View original record Hs/Wst. WST -Giss- ROY/MS11/P.27.12.34. AMMETERS. Please advise whether you are yet in a position to standardise the Ferranti Ammeter in place of the present Weston type fitted to all chassis. You…

img311 Comparing the performance and cost of Ferranti and Weston ammeters for use in Bentley vehicles.
View original record Roy/MS. From Ha/Wst. Ha/Wst.11/MA.28.12.34. AMMETERS. Replying to your Roy/MS.11/P.27.12.34., the Ferranti ammeter with the 30 ampere range, which is the latest experimental version, is fitted to the…

img312 Faulty Elliott Millivoltmeter (No. 1121620) being sent for repair due to a sluggish needle.
View original record Roy. From Hs/Met. c. to P/M. c. to P/SP. 46150 Hs/Met./2/EH.19.1.35. ELLIOTT MILLIVOLTMETER. We are sending into the Stores the above millivoltmeter No.1121620 which you recently obtained for us. The…

img313 Dispatch instruction for the repair and recalibration of a Weston Laboratory Instrument.
View original record Req. from EJJ/JV. c to Hs/Wat. Order No. 811 EJJ/JV26/JC21. 1. 35. Re Weston Laboratory Instrument. ---------------------------------- Please arrange to dispatch to Messrs. The Weston Instrument Co.,…

img314 Confirming a visit from Weston Electrical Co. to discuss a new instrument design.
View original record WST x 6.52 Hs/Wst. ROY/LSg,P.25.1.35. re WESTON AMMETERS. Mr. Davy, of Weston Electrical Co., is calling upon us on Tuesday or Wednesday next week, and will bring with him another design of instrument…

img315 The testing and ordering status for Ferranti Ammeters across various chassis series.
View original record Ha/Wst. A & Co Ay/HD. [crossed out] x/list. [handwritten] ROY/ISS/T.20.2.35. re AMMETERS. With reference to conversation this morning re adoption of Ferranti Ammeters, the position is as follows:-…

img316 Letter to a supplier about a moving coil ammeter and the necessity of its zero adjuster.
View original record Y 6152 Ha/Wst.14/MA. 22nd February, 1935. The Weston Electrical Instrument Co., Kingston-By-Pass, Surbiton, SURREY. For the attention of Mr.Davy. Dear Sir, On the occasion of your recent visit to our…

img317 The return of a Weston Galvanometer Model 375 for adjustment and re-calibration.
View original record Roy. From Ha/Wst. c. to G/MT. c. to H/BP. V6052. Ha/Wst.6/MA.9.4.35. WESTON GALVANOMETER MODEL 375 NO.8985. We are sending into the stores the above instrument for return to the Weston Electrical…

img318 Urgent request to obtain three Weston ammeters for drawing D.74874.
View original record Cm.2. Roy. From Ha/Wst. Ha/Wst.7/MA.25.4.35. Will you please obtain for us three Weston ammeters to drg. D.74874 as quickly as possible as these are now very urgently required. Order No. 54317.…

img319 Sending a Weston Galvanometer Model 375 for overhaul.
View original record Roy. From He/Wst. c: to G/HT c: to M/BP. - L 112. Ha/Wst.5/VA.10.5.35. WESTON GALVANOMETER MODEL 375 No.15816. We are sending this instrument into the stores for return to Messrs.Weston. Will you…

img320 Request for an additional laboratory ammeter for use in Merlin aero starter motor tests.
View original record 86132. EJJ. From Hs/Wst. Hs/Wst.4/MA.13.11.35. LABORATORY AMMETER. We require an additional ammeter for use in the Electrical Laboratory in connection with Merlin aero starter motor tests. From…

img321 Request to return a faulty Weston Laboratory Instrument for overhaul due to a bad switch contact.
View original record r6132. EJJ. From Ha/Wst. Ha/Wst.5/MA.24.12.35. WESTON LABORATORY INSTRUMENT MODEL 163 No.92. This instrument is giving us a lot of trouble due to a bad contact in the changeover switch. Will you…

img322 Letter to a supplier regarding a returned ammeter and a missing official Air Ministry release note.
View original record C132 HS/WSt.9/JH. 15th August, 1936. Messrs. Metropolitan Vickers Electrical Co.Ltd., Trafford Park, MANCHESTER. Dear Sirs, We recently returned to you an Air Ministry pattern D.C. ammeter 2"…

img323 Letter from Metropolitan-Vickers Electrical Co. confirming the repair of an ammeter and enclosing an Air Ministry release note.
View original record TELEGRAMS: METROVICK, MANCHESTER. TELEPHONE: TRAFFORD PARK 2431 METROPOLITAN-VICKERS ELECTRICAL CO. LIMITED SUBSIDIARY OF ASSOCIATED ELECTRICAL INDUSTRIES LIMITED Messrs. Rolls-Royce Limited, Derby.…

img324 Requesting the return of a faulty Weston Volt-ammeter for repair for the third time due to a loose needle.
View original record To EJJ. c.c. to G/Mt. SC 82. Hs/Wst.10/JH. 20.8.36. Weston Box-type Volt-ammeter. Model 153. No.92. Will you, please, arrange for the return of the above instrument, to the Makers, for repair. The…

img325 Defective ammeter on a Bentley B.118.JD which caused a blackout due to bad workmanship.
View original record To By. from Rm/RC. c. RH c. By/RD. Rm/RC. 10/WH. 1.9.37 Re Defective Ammeter which caused a blackout on Bentley B.118.JD. We have examined this instrument and find the fault due to bad workmanship. On…

img326 The failure of a defective ammeter from Chassis No. B.116.JD.
View original record R.C. Please see me bl32. GR7 To Sg. & Hs. a. to C. a. to D. a. to Mr. L. From RRC/Smd. RRC/Smd.S/W/10.9.37. CHASSIS NO.B.116.JD. AMMETER FAILURE. Owner - F.A. Oates. We have examined the defective…

img327 Proposing a two-stage plan to improve faulty ammeters in collaboration with Weston Electrical.
View original record CHILDS 6132 To Div c. Rm. Do you agree with the last remark BY/RD.5/B. 28.9.37. Rm AMMETERS. In order to eliminate any further trouble on ammeters, the representatives of the Weston Electrical…

img328 Suggestion for a new supplier to produce ammeter components to avoid previous issues and tool charges.
View original record -2- We suggested that they should get in touch with Messrs. S. Smith & Sons (M.A.) Ltd., who already produce the pressed case, glass and retaining ring of exactly the same size as the ammeter, to…

img329 Modification and repair of ammeters supplied by the Weston Electrical Instrument Co.
View original record Childs 6132 To. Mr. [REDACTED] c. Rm. (15.10.37) BY/RD.4/B.13.10.37 AMMETERS. The Weston Electrical Instrument Co., have agreed to modify all ammeters which have not yet left our hands, amounting to a…

img330 The procurement and testing of a new pattern of ammeters with specific modifications.
View original record To Rm/RC. 6132 BY/RD.2/B.13.10.37 AMMETERS. Confirming our verbal conversation, will you please arrange to obtain the latest pattern of ammeters from the Production Stores, for the various…

img331 The failure of ammeters on chassis MRO-5, 3-BT-51, and 3-BT-111, with subsequent handwritten notes.
View original record [Handwritten] Rm To Sg. Rs. U. DX. Hy. Mx. MNG. La. From HRO/Smd. Brg. Think this is very necessary. Rm 6182. [Typed] Re. Failure of Ammeter on Chassis MRO-5. also 3-BT-51 and 3-BT-111. The failure of…

img332 Internal instruction regarding the electrical inspection of ammeters from the Weston Electrical Instrument Co. Ltd.
View original record To. KHL/Mr. Goodall. c.c. RHG/Mr. Harvey. c. Rn/RC. 6132 BY/RD.1/B.16.10.37. AMMETERS. Will you please arrange for all future deliveries of ammeters from the Weston Electrical Instrument Co.Ltd.,…

img333 Instruction to arrange for modified standard ammeters to be fitted to cars 32-EX, 39-IX, and G-S-IV.
View original record To HPS. from Rm/RC. c. RC/CAP. (132 Rm/RC.1/MH.3.11.37. MODIFIED STANDARD AMMETERS. Will you please arrange for an ammeter of the modified type, to be fitted to each of the cars 32-EX, 39-IX, and…

img334 Confirmation memo regarding the handover of a Lucas Ammeter for trial fitting and potential standardization.
View original record To Rm/RC. 6132 BY/RD.1/B.4.11.37. This is to confirm handing to you one Lucas Ammeter made up with special dial etc., to give us the required illumination. Will you please have this fitted to B.56.BN,…

img335 Confirming the handover of a Lucas Ammeter for testing purposes.
View original record To Rm/RC. 6132 BY/RD.4/B.12.11.37. Please receive herewith 1 further Lucas Ammeter, making a total of 2, handed to you for test purposes. BY/RD. [Signature]

img336 Complete failure of Weston ammeters due to terminal screw breakage and a proposed action plan for examination and replacement.
View original record CHILDS 6132 BY.1/G.25.11.37 AMMETER. 3-CP-28. J. HOWARD WILSON. We have a further case of complete failure of the electrical equipment due to a terminal screw breakage in the Weston ammeter on the…

img337 Failure and replacement of ammeters, and a supply shortage due to the supplier moving factory.
View original record 6132 CHILDS- Hd Rm Mx BY/HD. BY/.9/W.3.12.37. Re: Ammeters. ----------- Referring to BY.1/G.25.11.37, relating to ammeter failure on chassis 3-CP-28, I have submitted a proposal to Sg. for his…

img338 Letter to Joseph Lucas Ltd. detailing the results of preliminary bench tests on three ammeters.
View original record 6132 Rm/RC.7/MH. 8th. December 1937. Messrs. Joseph Lucas Ltd., Great King Street, Birmingham, 19. For the attention of Mr. Toulmin. Dear Sirs, We have now completed preliminary bench tests on the…

img339 Letter concluding that instruments passed an insulation test.
View original record -2- 8th. December 1937. We found the instruments quite satisfactory on our insulation test, which was carried out on the 200 volt, A.C. mains through a lamp. Yours faithfully, for ROLLS-ROYCE LTD.

img340 Confirming instructions to replace all Phantom III ammeters and conduct related checks on the starter switch.
View original record a. Rm c. Rm/RC. c. Rm/CMH PC BY.15/9.8.12.37. 6132. PHANTOM 111 - AMMETER. This is to confirm my verbal instruction that Sg. agrees it will be necessary to replace all Phantom 111 ammeters by…

img341 Requesting the overhaul and repair of a Weston D.C. Ammeter.
View original record 6132 To EJJ. from Rm/RC. c. Ro/JJ. Rm/RC.5/WH.8.12.37. RE WESTON D.C. AMMETER (0 - 150) No.22596. Will you please arrange for the above instrument to be returned to the makers for overhaul and repair…

img342 Requesting the dispatch of a Weston Ammeter for overhaul and repair.
View original record from EJJ/JV. to Rm/RC. RHS. 6132 EJJ/JV17/JC.9. 12. 37. Re - REPAIRS TO WESTON AMMETER. Please arrange to dispatch to The Weston Electric Co.,Ltd.,:- 1 - T.C. Ammeter to 150, No.22596, for overhaul…

img343 Investigation and test report on Lucas ammeters.
View original record To By. c. to By/RD. 6132 RM/RC.3/JH.11.12.37. LUCAS AMMETER. Lucas ammeters, three in all were handed to us at various times between the dates 6.11.37. and 22.11.37. for investigation, with a view to…

img344 Performance testing of a Lucas Ammeter.
View original record Lucas Ammeter. -2- RM/RC.3/JH.11.12.37 (3) The amount of oscillation of the pointer, before settling down to a position on the scale, does not seem to be worse with the Lucas instrument, than with the…

img345 Summary of test results for Lucas Ammeters, noting issues with pointer sticking and zero error.
View original record Lucas Ammeters. -3- RM/RC.3/JH.11.12.37. Summary. Our tests show that as regards insulation and damping of the pointer the Lucas ammeter is satisfactory. As regards reliability and accuracy while it…

img346 Return of two faulty Lucas Ammeters to the manufacturer due to sticking needles.
View original record To HPS/CEP. from Rm/RC. 6132. Rm/RC.11/MH.15.12.37. RE LUCAS AMMETERS. Will you please arrange for two Lucas Ammeters to be returned to the makers. These have been submitted to us for testing purposes…

img347 Need for assurance on Lucas Ammeters to ensure they are free from previously outlined faults.
View original record Rm/RC. 6132. BY.17/G.17.12.37. RE: LUCAS AMMETERS. Referring to Rm/RC./JH.11.12.37. I concur with Rm/RC's views and conclusions, and am leaving the cleaning up of these points to you conjointly. We…

img348 Requesting the dispatch of two faulty Lucas Ammeters for examination due to sticking needles.
View original record To Nuyy from HPS/WSC. WSC. G/Bh. Rm/RC. 6132 HPS/WSC.15/BA.17.12.37. Lucas Ammeters. Will you please arrange to despatch :- 2 Ammeters, which we hand you herewith. to Messrs Lucas, addressed for the…

img349 Initiating a standardisation sheet for a Lucas ammeter and a petrol pump switch for various car models.
View original record Handwritten: Ch'de Start a Bentley standardisation sheet off for a Lucas ammeter To Rm. Handwritten: 6132 BY/RD. 2/B.4.1.38. Rm AMMETERS. (Bentley). Lucas price - 4/6d. Tools - £N4. Can we have a…

img350 Request to replace a Weston Ammeter with a Lucas ammeter on chassis No.B.56.BN.
View original record To HPS. c. to RC/CAP. 6132. Rm/RC.11/JH.5.1.38. re Chassis No.B.56.BN. Will you please arrange for the Weston Ammeter now fitted to the above chassis to be removed and a Lucas ammeter fitted in its…

img351 Issues with the current ammeter and proposing a switch to the Lucas Ammeter for Bentley and B.50 cars.
View original record Memo. from Rm. a. EH... o. WAP or. Ly /HD. c. RM/RC. 6132 RMS/R.7.1.38. Lucas Ammeters. As you know, we have had a good deal of trouble with the present ammeter, and it has caused several expensive…

img352 Depot sheet discussing issues and modifications to the Armature Fuse on the Phantom III model.
View original record PHANTOM III. DEPOT SHEET Hd.371. ARMATURE FUSE. Referring to Rm/CWH.11/N.24.1.38. the matter of the armature fuse not being in itself probably a final solution is concurred in. Personally, I have not…

img353 Request to return a faulty Lucas Ammeter to the makers for repair due to a sticking complaint.
View original record To HPS/CEP. 6132. Rm/RC.17/JH.31.1.38. re Lucas Ammeter. Will you please return to the makers one Lucas ammeter for repair, complaint sticking. For the attention of Mr. Toulmin. Rm/RC.

img354 Letter to Joseph Lucas Ltd. regarding a persistent sticking pointer issue on an ammeter.
View original record 6132 RM/RC.12/JH. 31st.January, 1938. Joseph Lucas Ltd., Great King Street, Birmingham. For the attention of Mr. Toulmin. Dear Sirs, With reference to the two ammeters which were returned to you to…

img355 Return of a faulty sticking Lucas Ammeter to Messrs Lucas for repair.
View original record 6132. To D/Exp. from HPS/WSC. nayes. G/ab. Rm/RC. HPS/WSC.3Q/RA.1.2.38. Re: Lucas Ammeter. Will you please return to Messrs Lucas, Great King Street, Birmingham, addressed for the attention of…

img356 Owner's complaint report about a car failure due to a blown fuse and the proposed solution.
View original record To By c. to Da. c. to By/KD. 6132 RM/HC.10/JH.12.12.36. re Owners Complaint Report No.N.1581. This car failed due to the blowing of the main fuse, caused by the spade terminal of the ammeter lead…

img357 Brief and fragmented internal memo regarding an absence.
View original record 6132.. EW/1/A.22.12.36. ... you were absent at ... will you please ... putting i- Y off. ... one

img358 Fitting special Weston ammeters to cars 11.B.V. and 12.B.V.
View original record 6182 To HPS/W.S.C. s. to RM/RC/CAP. Rm/RC.7/JH.13.6.39. Ammeters for cars 11. and 12.B.V. The special Weston ammeters, type DB.2235 ordered for cars 11.B.V. and 12.B.V. are now available. Will you…

img359 Requesting the replacement of an old ammeter with a modified Lucas ammeter on car 14.B.V. for testing in France.
View original record 6132 To HPS/WSC. c. to RM/EC/CAP. Rm/EC.9/JH.23.6.39. Lucas Ammeter on Car 14.B.V. We have received a modified type of Lucas ammeter, which is more suitable for test in France, than the instrument at…

img360 Testing of experimental Lucas ammeters with modified movements to eliminate 'sticking'.
View original record To By. c. to By/RD. Rm/RC.8/JH.4.7.39. lucas ammeter with modified movement. The two experimental Lucas ammeters type B4 with improved movement Nos.LT.2022 and LT.2023 submitted for test, have now…

img361 The proposal to order half a dozen Lucas ammeters with modified movement for testing.
View original record c. Rm/RC. BY.4/G.7.7.39. LUCAS AMMETER WITH MODIFIED MOVEMENT. With reference to the recommendation made in Rm/RC.8/JH.4.7.39. to order half a dozen Lucas ammeters type BM. with improved movement…

img362 Requesting an order of six Lucas DB.2562 ammeters for testing on experimental chassis.
View original record o. Rm/RC. BY/RD.3/B.18.7.39. ALL CHASSIS. INSTRUMENT BOARD. SECTION 7190. Re: Lucas Ammeter. Will you please order six DB.2562 - Ammeters, blueprints of which are attached herewith, from Messrs. J.…

img363 Letter to Arcade Wireless Stores regarding the return of a drawing for a Milliammeter and the requirement for a DC Micro-Ammeter.
View original record Re/CTS.A/NT. 26th August, 1940. The Arcade Wireless Stores, Strand Arcade, D E R B Y. Attention of Mr. A. Cain. Dear Sirs, Confirming our telephone conversation this afternoon, we return herewith…

img364 The failure analysis and repair of a sticking Lucas B.M. type ammeter.
View original record Bm/RC.5/ST.28.4.41. AMMETER. ------- A Lucas B.M. type ammeter, No.2, failed on 10 B.V, due to sticking. The instrument was taken to pieces and examined in order to find a reason for the failure. We…

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