Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 40\2\        Box Selection

IdentifierEntry
Scan001 The requirements for a portable lamp, its connection, and supply options.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. Extract from E6/G1.5.19. X.3552 (13) PORTABLE LAMP - Mr. Royce would like some connections to be included in the lighting set for a portable lamp.…

Scan002 Letter from Joseph Lucas Ltd regarding the supply and quotation for Inspection Lamp Plugs.
View original record CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, INDIA OFFICE, G.P.O. AND LEADING RAILWAYS MOTORALITIES DYNAMO LIGHTING SYSTEMS CYCLEALITIES MOTOR-CYCLEALITIES JOSEPH LUCAS LTD WHOLESALE DEPOTS LONDON 224,…

Scan003 Enquiry to supplier Messrs. Lucas about an inspection lamp for a chassis.
View original record To Bn. from EFC. EPC2/AT22.7.19. X.3552 RE INSPECTION LAMP FOR CHASSIS. We have made enquiries of Messrs. Lucas and are informed that the inspection lamp plug. to fit the socket provided on their…

Scan004 Cover memo for correspondence regarding the inspection lamp for the 40/50 chassis.
View original record EFC. from Bn. x3552 Bn3/W7.8.19. INSPECTION LAMP FOR 40/50 CHASSIS. With reference to EFC2/AT22.7.19 please see attached copies of correspondence re the above. Bn. [Signature] Attached. Copy of…

Scan005 Supply of an inspection lamp plug for the 40/50 HP chassis.
View original record To C. from Bn. Bn10/W1.8.19. RE INSPECTION LAMP FOR 40/50 HP. CHASSIS. The Lucas Switch Board which we are using, includes a fitting for the insertion of a plug for an inspection lamp. I presume we do…

Scan006 Confirming a loose plug for the 40/50 HP Chassis inspection lamp will not be supplied.
View original record COPY S/W C9/H6.8.19. Inspection Lamp for 40/50 H.P. Chassis. ------- We confirm that the loose plug mentioned in your memo. Bn1C/W1.8.19, need not be supplied by us. C.

Scan007 Request for a suitable plug for an inspection lamp for the Lucas switchboard on chassis 1.EX.
View original record X3552. To EH. from E. COPY. E2/G30.10.19. RE PLUGS FOR LUCAS SWITCHBOARD ON 1.EX. Would you please send us, in accordance with Mr. Royce's wishes, a suitable plug for an inspection lamp on chassis…

Scan008 The purchase of Inspection Lamp Plugs from Messrs. Lucas.
View original record To Mr. Mills C.O. from EH X.3582 EH6/LG24.11.19. O/N. 735. Will you please order from Messrs. Lucas 3 Inspection Lamp Plugs to fit into their standard Switch. EH.

Scan009 Recommendation to modify the inspection lamp plug socket with different diameter pins to prevent incorrect connection for external charging.
View original record R.R. 235 a (100 T) (R.F. 846 6-8-19) G. 2460. X.3552 Extract from CK5/T9.2.20. X.3552. Inspection Lamp Plug Socket. We are recommending in our Instruction Book, that, under certain circumstances,…

Scan010 Letter from Lucas Electrical discussing a non-reversible 2-pin plug, an associated battery indicator, and a burnt fuse holder.
View original record X.3552 THE LUCAS ELECTRICAL CO. LTD. Great King Street, Birmingham. Your ref. Ck5/T. Our Ref. CLB/GD. Messrs. Rolls-Royce Ltd., Nightingale Road, D E R B Y. 18th February, 1920. X.3552. X.3749. X.664.…

Scan011 Car wiring connection sockets and the development of in-house dynamos and starter motors.
View original record X.3552. To Ck. from R. Copy to CJ. c. to Bn. c. to PN. R19/G5.3.20. X. 3552. RE CAR WIRING CONNECTION SOCKETS. With reference to the plug part of the above fitting for the portable light or voltmeter,…

Scan012 Request for the weight and ohmic resistances of competitor dynamos from Lucas and Smith.
View original record Contd. -2- R19/G5.3.20. I should want to know the weight and ohmic resistances of the various parts of the Lucas and Smith dynamos which we have to excel. R. R.R. 235 1m 5 (T) (S.G.) (SO.1. 8-1-20)…

Scan013 Car wiring connection sockets and the development of in-house dynamos.
View original record To Ck. from R. Copy to CJ. " " Bn. " " PN. X. 3552. R19/G5.3.20. X.3552. RE CAR WIRING CONNECTION SOCKETS. With reference to the plug part of the above fitting for the portable light or voltmeter, it…

Scan014 Request for weight and ohmic resistance data for Lucas and Smith dynamos for winding calculations.
View original record Contd. -2- R19/G5.3.20. and we will together make some calculations of windings. I should want to know the weight and ohmic resistances of the various parts of the Lucas and Smith dynamos which we…

Scan015 Mr. Royce's request to modify the distribution board design to accommodate charging.
View original record To Da. from Ck. Copy to Bn. -------------- X 3552. Ck1/S11.3.20. X.3555. R.R. DISTRIBUTION BOARD. X 3552 We attach herewith copy of Mr. Royce's note R19/G5.3.20, you will see from this, that in our…

Scan016 Introduction of a special non-reversible plug for the Lucas switch box for inspection lamps or external charging.
View original record X.3552 To Em. From Ck. c. to Dn. c. to Ry. c. to Ez. ---------------- RE X.3749. LUCAS SWITCH BOX. X.3552 Inspection Lamp, or External Charging plug and Socket. We take it from Mr. Royce's note…

Scan017 Supply of special plugs for the instrument board's Lucas switchboard.
View original record X3552. EFC. from By. c. to Bn. By8/P30.3.20. X.3749. INSTRUMENT BOARD. X.3552. RE PLUG FOR CHARGING OR INSPECTION LAMP PURPOSES FITTING TO LUCAS SWITCHBOARD. Referring to your memo EFC1/T30.3.20, the…

Scan018 Clarifying a previous communication regarding the Lucas switchbox plug for inspection lamps.
View original record X.3552. To By. from EFC. C. Bn. EFC4/T31.3.20. X.3749. RE LUCAS SWITCHBOX PLUG FOR INSPECTION LAMPS, ETC. X.3552. The idea expressed in your note By8/P30.3.20 is exactly what we meant in our note…

Scan019 The wiring requirements for incorporating an inspection lamp plug socket.
View original record X.3552 Extract from EFC5/T6.8.20. X.3760. R.R. SWITCHBOX. X.4169. X 4173 X.3552. The system as at present arranged makes no allowance for an inspection lamp plug socket. I believe you have considered…

Scan020 Necessary wiring interconnections for a switchbox, incorporating a Smith dynamo and other components.
View original record To Ds. From EFC. c. to Ds/IHr. c. to Hs. X 3552 EFC1/AT10.8.20. X.3760.- R+R. SWITCHBOX. X.4173 Further to our EFC5/T6820, in using the R.R. Switch-box with the proposed wiring scheme incorporating…

Scan021 Letter to S. Smith & Sons requesting a switchbox modification for a polarised socket for an inspection lamp and battery charging.
View original record X.3552. EFC4/T. c. Ds. c. Ls. 6th August, 1920. Messrs. S. Smith & Sons, Ltd., 179-185, Great Portland St., London, W.1. Dear Sirs, X.4164 X.3552. Re Switchbox. Further to our EFC2/AT of 4th inst., we…

Scan022 Arguing against the use of a single distributing fuse due to the risk of multiple system failures.
View original record X.3552 Extract from EFC3/T6.8.20, X. 3555. R?R? DISTRIBUTION BOARD FOR earthed WIRING SCHEME. X. 3923. X. 3659. X. 2515. X. 3552. There seems to be a general feeling here against the use of the single…

Scan023 Letter from S. Smith & Sons regarding the provision of a socket and plug for an inspection lamp on the switchboard.
View original record X.3552 S. SMITH & SONS. (M.A.) LTD. 179-185 Gt. Portland St. LONDON W.1. Our ref. ACL/MM. 10th August, 1920. Messrs. Rolls-Royce Ltd., D E R B Y. Dear Sirs, X.4164. X.3552. for the attention of Mr.…

Scan024 Technical memo discussing a distribution board for wiring and the design of terminals.
View original record R.R. 199 (250T) (SD676 19-7-17) MP 18.865 X.3552 (crossed out) Extract from R1/14.8.20. X.3555. Re Distribution Board for R.R. Wiring. X.3923b. X.4165. X.1925. X,3552. Terminals with square shank, and…

Scan025 Design of ignition locks and the layout of instrument board fittings for R.R. of America Inc.
View original record X.3552. To R.R. of America Inc. From R. (For attention of OY). c. to CJ. c. to Wor. c. to Hs. c. to Da. c. to PN. c. to EFC. c. to EY. X.4173. RE LOCKS. X.3504. Many thanks for illustration of…

Scan026 Extract detailing design feedback on a lockable ignition switch.
View original record X3552 Extract from EFC1/T5.11.20. X.4186. R.R. LOCKABLE IGNITION SWITCH. X.3552. It would look better on the front to mark the inspection lamp plug socket + and - instead of read and black. In turning…

Scan027 Critical report on a Westinghouse switchbox from car 4-EX returned from America.
View original record X3552 Extract from R1/G17.6.21. X.3764 - REPORT ON 4-EX JUST RETURNED FROM AMERICA. X.1613. X.805. X.3552. Regarding the switchbox, we have very carefully examined the one sent on 4-EX which we…

Scan028 Letter discussing the control switch, inspection lamp socket, and instrument board lights for the 4-EX model.
View original record X 3552 CC Mr. Belnap, Mr. Nadin. Cyl/G 19821. August 19. 1921. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. X.805. X.3552. Attention: Mr. Royce & Works Committee. Dear…

Scan029 Letter from Rolls-Royce of America regarding the standard practice and provision for fitting an inspection lamp.
View original record CC Mr. Belnap Mr. Nadin Oy2 - G 1921 Sept. 1, 1921 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: F.H.Royce & Works Committee. Dear Sir:- Re: Parts on 4-EX…

Scan030 Request to order three standard Lucas inspection lamps for the Experimental Department.
View original record X 3552 To Wd/Ms. from EFC. EFC5/T20. 7. 23. X.3552 - INSPECTION LAMP FOR CHASSIS. Will you kindly order up for use in the Expl. Dept., 3 Standard Lucas Inspection Lamps, and oblige. EFC.

Scan031 Letter from the Paris branch confirming the value of a Grebel spot-light.
View original record X4449 TOUTE CORRESPONDANCE DOIT ÊTRE ADRESSÉE A LA SOCIÉTÉ SANS DÉSIGNATION DE PERSONNE AUTOMOBILES ROLLS-ROYCE (FRANCE) LIMITED PARIS - DERBY ADRESSE TÉLÉGRAPHIQUE « ROLLSROYCE-PARIS » REG. DU…

Scan032 Internal request to obtain a sample Lucas spot-light.
View original record *1357 74449 To Roy. from Hs. Hs2/LGL6.4.28. Could you please obtain for us a sample Lucas spot-light. We require one of good quality and a reasonably large size. Hs.

Scan033 Procurement of two spotlights from Joseph Lucas Limited.
View original record Hs. X155 74449 ROY/GEA8/EB20-4-28. As requested in your memo reference - Hs2/LG16.4.28, we have obtained from Messrs.Joseph Lucas Limited., two Spotlights which we instructed Stores to send to you at…

Scan034 Letter concerning two Spot Lights obtained from Joseph Lucas Ltd.
View original record Hs. 44449 ROY/GEA6/EB10-5-28. On the 20th ultimo, we sent you two Spot Lights, obtained at your request from Messrs.Joseph Lucas Ltd., Will you please let us know whether it is your intention to keep…

Scan035 Confirming the return of two C.A.V. Spot Lights to Stores for sending back to Lucas Ltd.
View original record To ROY/GEA. from Hs/AJL. *1551 44449 Hs/AJL2/LGL1.5.28. With reference to WDY/GEA6/EBLo.5.28. We are returning both C.A.V. Spot Lights to the Stores to be returned to Lucas Ltd. as we have no use for…

Scan036 Information regarding the Grebel spot light for the 8-EX car, including agents and switching options.
View original record S/W. Hs. 74449 CWB5/GM/16.5.28. 8-EX CAR. GREBEL SPOT LIGHT. Thank you for your Hsl/LG11.6.28. We have now been able to obtain further information regarding this spot light and are having one fitted…

Scan037 Inquiry for particulars on a Grebel Spot Light fitted to car 8-EX.
View original record S/W. Hs. X4469 CWB1/GM/8.6.28. Re: GREBEL SPOT LIGHT. I was much attracted by the Grebel Spot Light fitted to 8-EX when you sent that car up to us, quite apart from the particular arrangement of…

Scan038 Specifications and potential suppliers for a 'Stephen Grebel, Paris' spot light fitted to an 8-EX car.
View original record V4449 To CWB. from Hs. Hs1/LG11.6.28. 8-EX CAR. GREBEL SPOT LIGHT. X1357 With reference to CWB1/GM8.6.28. The spot light fitted to the above car has no other designation than "Stephen Grebel, Paris" -…

Scan039 The supply of lighting equipment for an experimental Barkerlite Coupe, India III.
View original record Y444Q X7530 S/W. Hs. Sg/Hd.5/AMG/16.7.28. RE BARKERLITE COUPE - EXPERIMENTAL INDIA III As requested by CWB, I have requested Messrs Boyrivens of London to send to you, in accordance with our Order No.…

Scan040 The fitting of a Stephen Grebel spot light, a smaller headlamp, and Chrysler type wing lamps.
View original record 4449 To SG. from DA/EV. c. to CWB. Hs. DA/EV1/M16.7.28. INDIA 3. 12-G-4 FOR R. X.5770 X.4449 X.5300 R. wishes us to fit: (1) A Stephen Grebel spot light on the offside screen pillar. (2) A smaller…

Scan041 Arrangement, specifications, and wiring of lamps for the 12-G-4 vehicle model.
View original record Hs. from Ev. c. to BY. BJ. CWB. Y4449 EV1/17.7.28. RE. LAMPS FOR 12-G-4 X.4449 X.5800 We send herewith N.sch.2656 shewing the arrangements of the headlamps which Mr. Royce wishes fitted to 12-G-4 All…

Scan042 Request to supply a Stephen Greble Spot light and a Boa Constrictor Horn, with remaining features to be sent from Derby.
View original record X44469 X7530 Cx/Hn. from Hs/Rn. Hs/Rn2/LG19.11.28. With reference to Ev2/13.11.28. Will you please supply the Stephen Greble Spot light and the Boa Constrictor Horn. The remaining features we will…

Scan043 Faulty spotlight on car 18-EX, caused by an earthing issue, and its rectification.
View original record YU4449 Extract from RJA2/C.4.1.29. (X.7780.) SPOT LIGHT ON 18-EX. (IN FRANCE) This was giving trouble by sometimes failing to remain alight. The fault appears to have been that the fore part of the…

Scan044 Letter discussing proposals for a central dipped beam lamp and improvements to headlamp diffusion.
View original record X 4449 Messrs. Rolls-Royce Ltd., "Camacha", West Wittering, Chichester. OL/FEA 10th April, 1929. X 7800 X 4478 Dear Sirs, Further to your letter of the 23rd March, we are working on the lines you…

Scan045 Letter discussing development and trials of light bulbs, switches, wing lamps, and screen wipers.
View original record Messrs. Rolls-Royce Ltd., "Camacha" West Wittering, Chichester. -2- 10th April, 1929. because the mere changing of the bulb gives a different character to the light, so that with a standard lamp,…

Scan046 Letter responding to criticism and outlining the manufacturing programme for tail lamps and spot lights.
View original record -3- Messrs. Rolls-Royce Ltd., "Camacha", West Wittering, Chichester. 10th April, 1929. of your criticism before we commence on our manufacturing programme. Tail Lamps. We do not see any difficulty in…

Scan047 Letter to M.L. Magneto Works concerning the specification for a six-cylinder magneto for the 40/50 car.
View original record X8793 Also sent to:- 29th May, 1924. The Lucas Elect. Co. Birmingham. (EFC3/T). 29th May, 1924. EFC3/T. x8790 x8793 x3209 M.L. Magneto Works, Coventry. Dear Sirs, Re Six-Cylinder Magneto (with…

Scan048 Letter to suppliers altering the automatic advance specification for a 6-cylinder magneto for the 40/50 car.
View original record X8793 Letter also sent to Messrs. Lucas Elec. Co. Well Street, B'ham. EFC8/T. The M.L. Magneto Syndicate, Victoria Works, Coventry. EFC7/T. EFC6/T. 27th August, 1924. Messrs. North & Son Ltd.,…

Scan049 Confirming a specification for magnetos is being reviewed by J. Lucas Ltd.
View original record EFC.from Wd. X8793 Wd6/K1.9.25. X.8790 X.3209 RE MAGNETOS FOR E.A.C. I confirm mine Wd3/NJ28.8.25 and in further reply to yours EFC3/T26.8.25, we are in receipt of a letter from J.Lucas Ltd., stating…

Scan050 Letter from Joseph Lucas Ltd acknowledging an alteration to the specification of performance for 6-cylinder magnetos.
View original record REGISTERED OFFICES & GENERAL DEPTS. GREAT KING STREET. BIRMINGHAM LONDON OFFICES & SHOWROOMS 240 SHAFTESBURY AVENUE. W.C.2 TRADE MARK JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET BIRMINGHAM…

Scan051 Letter to Lucas Electric Co. detailing alterations to the specification for a six-cylinder magneto.
View original record X5793 Also sent to M.L. Magneto Syndicate (EFC5/T). EFC4/T. 27th October, 1924. Messrs. The Lucas Elec. Co., Well Street, Birmingham. X5790 XJ209 X5793 Dear Sirs, With further reference to our…

Scan052 Concluding page of a specification document, noting a potential alteration to the speed range.
View original record -2- This specification is now complete in every detail to the best of our present knowledge, though the speed range given in par (5) may be susceptible to alteration. Yours faithfully, FOR ROLLS-ROYCE…

Scan053 Letter from Joseph Lucas Ltd regarding a revised specification for a six-cylinder magneto.
View original record X 8795 REGISTERED OFFICES & GENERAL DEPT'S GREAT KING STREET, BIRMINGHAM LONDON OFFICE & SHOWROOMS 224, SHAFTESBURY AVENUE, W.C.2 TRADE MARK JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET…

Scan054 The suitability of a Lucas Magneto EB.6 print for testing.
View original record To ROY. from EFC. X8793 EFC2/T3.3.25. X.8790. LUCAS MAGNETO EB.6. With reference to your enquiry in connection with the Lucas print of the EB.6 magneto, I do not see any reason why this arrangement…

Scan055 Secret memo from EFC to ROY regarding a magneto for an EAC.2 engine, forwarding notes and specifications from meetings with M.L. Co. and Lucas Elec. Co.
View original record X8793 SECRET To ROY. from EFC. EFC5/T29.5.24. X.9790 - MAGNETO FOR EAC.2.ENGINE. Herewith please receive copies of some notes addressed to the M.L. Co. and to the Lucas Elec. Co., covering the points…

Scan056 Forwarding a letter and print from Joseph Lucas Ltd. regarding magnetos for E.A.C.
View original record EFC.from Wd. X8793 Wd1/NJ7.10.25. Lucas X.8793 - Re Magnetos for E.A.C. I confirm mine Wd6/K1.9.25. Herewith I hand you copy of letter from Joseph Lucas Ltd. dated 6th inst., together with print…

Scan057 Letter from Joseph Lucas Limited concerning the development and submission of a magneto for a 40/50 HP chassis.
View original record Copy of letter from:- JOSEPH LUCAS LIMITED, Well Street, Birmingham. EOT/4. October 6th 1925. Ref.- Wd17/NJ26825. Messrs.Rolls-Royce Ltd., Derby. Dear Sirs, With reference to your letter of the 26th…

Scan058 Differences between Lucas and Watford drawings for a 40/50HP Chassis Magneto.
View original record X8793 To EFC. BY/SS3/DB.8.10.25. Re 40/50HP Chassis - Magneto. We have checked up Messrs Lucas's drawing M.416-A, with our standard Watford E.71374, and find the following differences:- 1. The Thread…

Scan059 Comparison of a Lucas magneto against a standard Watford magneto for an EAC, noting dimensional differences.
View original record X8793 To Wd. from EFC. EFC3/T12.10.25. X.8793 - LUCAS MAGNETOS FOR EAC. Answering your Wd1/NJ7.10.25. with attached letter from Messrs. Lucas of Oct. 6th, ref. EOT/4, having submitted the blueprint…

Scan060 Communication regarding modifications to Lucas Magnetos for EAC, specifically a new thread on the driving spindle.
View original record EFC.from Wd. X8793 Wd1/NJ19.10.25. X.8793 - Lucas Magnetos for EAC. The remarks conveyed in yours EFC3/T12.10.25 were communicated to Jos.Lucas Ltd. and we are now in receipt of their acknowledgment…

Scan061 Expected despatch of Lucas Magnetos for EAC.
View original record X8793 EFC.from Wd. Wd4/NJ30.11.25. X.8793 - Lucas Magnetos for EAC. Please refer to yours EFC3/T12.10.25 and mine Wd1/NJ19.10.25. We are this morning in receipt of a letter from Jos.Lucas Ltd. dated…

Scan062 Letter from Joseph Lucas Limited regarding alterations to magnetos for quieter running.
View original record REGISTERED OFFICES & GENERAL DEPTS. GREAT KING STREET, BIRMINGHAM LONDON OFFICE & SHOWROOMS 224 SHAFTESBURY AVENUE, W.C.2 TRADE MARK JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET BIRMINGHAM…

Scan063 Magnetos from Lucas and Simms for the new Phantom chassis.
View original record Expl. Report. To R. from EFC. c. E. GJ. c. RG. Wor. c. EV. EP. X8793 EFC2/T5.1.26. X8793/4 EXPERIMENTAL MAGNETOS FOR NEW PHANTOM CHASSIS. Further to our EFC1/T8.12.25, we have now received visits from…

Scan064 The performance and suitability of Lucas and Simms magnetos, including proposed modifications.
View original record Contd. -2- EFC2/T5.1.26. In the Lucas magneto case the electrical performance has already been observed, but this will be made the subject of a separate report, together with that of the Simms, at a…

Scan065 Preliminary report on a visit to the Lucas factory regarding the manufacture and production of magnetos.
View original record RR 236 (100 BKS.) (SNSY. 29-8-20.) MP 224388 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.Y.b Date 14 Dec 1925 Order No. WB64 Customer's No. X Lucas type EBA6 Magneto NO 1125 Preliminary report. On the…

Scan066 Component specifications and test instructions for an experimental magneto.
View original record RR 232 (150 BKS.) (BHD? 29.6.20.) MP 224355* ROLLS-ROYCE LTD. INSTRUCTIONS. To 19 Order No. Z Customer's No. 1. One piece aluminium die-casting cast integral with the pole pieces (the armature tunnel…

Scan067 Form recording the design and performance details of a magneto.
View original record X8793 X.430. FORM OF RECORDING DETAILS OF MAGNETO DESIGN AND PERFORMANCE. Date:- 17-12-25 Magneto on test:- Maker :- Lucas Electrical Co. Ltd. X. No. :- 8793 Type :- EBA6 No :- 156 (1) Weight in…

Scan068 Specifications for primary point gap, contact breaker timing, and automatic advance characteristics.
View original record -2- (4) Primary point gap:- .013" Contact Breaker timing :- Make. Break. A. 26° 104.5° R. 85.5° 164.5° Retard. Advance. Make 85° 26° Break 165° 104° Make 266° 206° Break 344° 285° Range:- 60° Make…

Scan069 Test report detailing results from endurance, short circuit, and open circuit tests.
View original record (3) (6) Endurance test :- OK (7) Short circuit test :- OK. (8) Open circuit test :- OK. (9) Open circuit primary volt-speed curve. Speed. Volts. Volts/Speed. 400 3.5 800 6.38 1200 9.00 1600 11.98 2000…

Scan070 Test results for a primary circuit, including ampere-speed curves and sparking characteristics.
View original record -4- (10) Closed circuit primary ampere-speed curve. Speed. Amperes. Speed. Amperes. 100 1.03 1200 2.37 200 1.57 1600 2.40 300 1.92 2000 2.43 400 2.06 2400 2.45 600 2.23 2800 2.46 800 2.30 3200 2.46…

Scan071 Test results for secondary milliamps, primary point gap, and contact breaker timing.
View original record -5- (14) Secondary milliamps : Maximum :- 13.2 Minimum :- 4.0 (15) Primary point gap after previous tests :- .011" Primary point gap .015" Contact breaker timing. Make. Break. A. 28.5° 99.5° R. 88°…

Scan072 Remarks regarding the silence of operation, noting noisy bearings.
View original record -6- (16) Remarks re silence of operation:- Noisy bearings, otherwise quiet in operation. EFC.

Scan073 Bench testing of a Lucas magneto and a forthcoming modified version.
View original record To Wd. from EFC. c. ROY. c. BY. X8793 EFC2/T11.1.26. X.8793 - LUCAS MAGNETOS FOR EAC. Referring to your Wd4/NJ30.11.25, on 11.12.25 we received a visit from Dr. E.C. Turner of the Lucas Co. and he…

Scan074 Letter postponing a visit from Dr. Turner of Joseph Lucas Ltd regarding magnetos for E.A.C.
View original record EFC.from Wd. c.to By. c.to Roy. X8793 Wd2/NJ20.1.26. X.8793 - Lucas Magnetos for E.A.C. Referring to yours EFC2/T11.1.26, I send you herewith copy of letter from Joseph Lucas Ltd. dated 19th inst.…

Scan075 Letter from Joseph Lucas Ltd. proposing an appointment to test a new magneto for quiet running on a chassis.
View original record Copy of letter from:- JOSEPH LUCAS LIMITED, Well Street, Birmingham. EOT/4. Messrs.Rolls-Royce Ltd., Derby. January 19th.1926. Ref.- Wd7/NJ12.1.26. Dear Sirs, Magnetos. With reference to the writer's…

Scan076 Confirming receipt of a Lucas magneto and reminding of an upcoming meeting with Dr. Turner.
View original record EFC. from Wd. c. to By. c. to Roy. X8793 Wd7/NJ28.1.26. X.8793 - Lucas Magnetos for E.A.C. I confirm mine Wd2/NJ20.1.26. This morning we have received from Joseph Lucas Ltd. the magneto referred to in…

Scan077 Table of lowest speeds in RPM for various magnetos for regular firing on 5.5 mm gaps in air.
View original record X8793 SD. 29.1.26. X.430. MAGNETOS. TABLE OF LOWEST SPEEDS IN R.P.M. FOR REGULAR FIRING ON 5.5 mm. GAPS IN AIR. CHAIN DRIVE. Magneto. | Type & No. | X. No. | Lowest speeds. Adv. 280. | Cent. 210. |…

Scan078 The return of two Lucas magnetos and proposed alterations for future supplied machines.
View original record To Wd. from EFC. c. Roy. X8793 EFC2/T29.1.26. RE LUCAS MAGNETOS EBA.6 In accordance with arrangements made with Dr. Turner of the Lucas Co. this morning during his visit on the question of Lucas…

Scan079 Electrical experimental record sheet for a Lucas type EBA6 Magneto No 156.
View original record X8793 ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No:- 8793 Lucas type EBA6 Magneto NO 156 Date on. | Location. | Date off | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. |…

Scan080 Graph of the O.C. Volts and S.C. Ampere-Speed characteristics for the primary winding of Lucas EBA6 and Simms SR6L type magnetos.
View original record X879. O.C. VOLTS S.C. AMPERES VOLTS SIMMS LUCAS AMPERES O.C. VOLTS AND S.C. AMPERE-SPEED CHARACTERISTICS OF PRIMARY WINDING OF LUCAS EBA6 AND SIMMS SR6L TYPE MAGNETOS. SPEED r.p.m. W.E.H 8-1-26

Scan081 Stamped cover page from the Print Room in Derby.
View original record ROLLS-ROYCE LIMITED. PRINT ROOM 27 JAN. 1926 DERBY.

Scan082 Test report for a Lucas Magneto Type EBA6 No. 155.
View original record X8793 1.2.26. LUCAS MAGNETO TYPE EBA6 NO.155. Short run at 2000 r.p.m. fully advanced for 1 1/4 hrs - O.K. Short circuit Test - O.K. Open circuit test - O.K. Maximum advanced speed:- 4,500 r.p.m. Low…

Scan083 Correspondence with supplier J. Lucas Ltd. concerning alterations to magnetos.
View original record x8793 [Handwritten] To EFC. from Wd. C to ROY. [Struck through] Wd6/K5.2.26. Referring to the remarks in EFC2/T.29.1.26, we are now in receipt of a letter from Messrs.J.Lucas Ltd., thanking us for…

Scan084 Customer's conditional order pending experiments with a Lucas Magneto.
View original record S/W. (Hs.) X8793 Cx7/LR/11. 2. 26. Re - Lucas Magneto. We are informed by a prospective customer of ours (incidentally, a man connected with the Lucas Rotax C.A.V. combine) that you are experimenting…

Scan085 The testing status and progress of the Lucas Magneto.
View original record X8793 W/S. Cx. from Hs. Hs1/LG12.2.26. RE. LUCAS MAGNETO. CX7/LR11.2.26. We are experimenting with the Lucas Magneto and are fairly satisfied with the results we have so far obtained. Messrs. Lucas…

Scan086 Requesting a Lucas magneto for experimentation, highlighting its advantage of requiring less force to operate.
View original record To Wd. from EFC. c. ROY. X8793 EFC2/T15.2.26. RE LUCAS MAGNETO. X.8793. With reference to Wd6/K5.2.26, we are very keen to have another Lucas magneto for experiment at the earliest possible moment,…

Scan087 Correspondence with Joseph Lucas Ltd. regarding the progress and delivery schedule for two sample magnetos.
View original record X8793 EFC. from Wd. Wd1/NJ17.3.26. Re Lucas Magneto - X.8793. Upon receipt of yours EFC2/T15.2.26 we wrote Joseph Lucas Ltd. informing them that we were very keen to have another magneto for…

Scan088 The receipt of a Lucas magneto for bench tests.
View original record X8793 To Wd. from EFC. c. Wd/Dn. EFC1/T27.3.26. X.8793 - LUCAS MAGNETO. We yesterday received from Dr. Turner of The Lucas Elec. Co., 1 Lucas magneto type ER.6, No.50. for the purpose of bench tests,…

Scan089 Graph of Open Circuit Volt-Speed and Short Circuit Ampere-Speed curves for the primary winding of a Lucas ER6 Magneto No. 50.
View original record [ "X 8793", "VOLTS", "AMPERES", "S.C. AMPERES.", "SPEED r.p.m.", "OPEN CIRCUIT VOLT-SPEED", "AND", "SHORT CIRCUIT AMPERE SPEED", "CURVES", "OF PRIMARY WINDING OF", "LUCAS ER6 MAGNETO NO 50.", "D6/B",…

Scan090 Specification sheet comparing distributor dimensions with suggested dimensions for the Lucas Magneto Type ER6 No. 50.
View original record X.8793. LUCAS MAGNETO TYPE ER6. No.50. Distributor dimensions. Suggested dimensions. Pitch = 1.28" 1.25" Range = .41" .425" Make ratio = .775 .70" Brush = .197 .250" Segment = .795 .675" Forward…

Scan091 Specification table for the Lucas Magneto Type ERS No. 50, comparing distributor dimensions.
View original record X8793 LUCAS MAGNETO TYPE ERS. No.50. x x Relative distributor dimensions. Suggested relative dimensions. Pitch. 1.00 1.00 Make ratio. .605 .56 Range. .32 .34 Forward overlap at full advance. .165 .10…

Scan092 Confirming receipt of an advice note from Joseph Lucas Ltd. about the dispatch of an ER.6 magneto.
View original record EFC. from Wd. c.to Dn. X8793 Wd4/NJ21.4.26. X.8793 - Lucas Magnetos. Referring to EFC1/T27.3.26, we are this morning in receipt of an advice note from Joseph Lucas Ltd. notifying us that they have…

Scan093 List of queries raised by Mr. North regarding the Lucas ER.6 Magneto.
View original record X.8793. QUERIES RAISED BY MR. NORTH WITH RESPECT TO THE LUCAS ER.6 MAGNETO. (a) Oilway for the rear end bearing. (b) Magnet fixture - no screws. (c) Plain bearing in distributor. (d) Question of…

Scan094 Form recording the design and performance details of a Lucas ER6 magneto on test.
View original record X8793 X.430. FORM OF RECORDING DETAILS OF MAGNETO DESIGN AND PERFORMANCE. Date:- 29-3-26 Magneto on test:- Maker:- Lucas. X. No :- 8793 Type:- ER6 No :- 50 (1) Weight in pounds:- 13.69 (2) Remarks re…

Scan095 Specification sheet for ignition timing, primary point gap, and advance characteristics.
View original record -2- Contd. (4) Primary point gap :- Average = .013" Contact breaker timing :- Retard. Advance. Make 47° -11° Break 156° 98° Make 228° 169° Break 336° 278° -11-109-98° Make Break. A -11° 198° R 47°…

Scan096 Test results for endurance, short circuit, and open circuit conditions, including a volt-speed curve.
View original record -3- Contd. (6) Endurance test :- OK (7) Short circuit test :- OK (8) Open circuit test:- OK (9) Open circuit primary volt-speed curve. Speed. Volts. Volts/Speed. 400 3.62 .0090 800 6.63 .0083 1200…

Scan097 On leaky gap performance, detailing engine speeds for different ignition timing settings.
View original record Leaky gap performance. - Will not spark at all in advance position Speeds :- 15° retarded 850 to 2200 rpm Central 500 to 2800 " Retard 230 to 4500 "

Scan098 Test data sheet detailing a closed-circuit primary ampere-speed curve, speed range, and sparking characteristics.
View original record -4- Contd. (10) Closed circuit primary ampere-speed curve. Speed. Amperes. Speed. Amperes. 100 1.00 2400 2.93 200 1.55 2800 2.95 300 1.93 3200 2.96 400 2.24 3400 2.965 600 2.50 800 2.67 1000 2.75 1200…

Scan099 Test report detailing secondary milliamps, primary point gap, and contact breaker timing results.
View original record -5- (14) Secondary milliamps :- Maximum :- 13.2 16.9 Minimum :- 4.2 (15) Primary point gap after previous tests :- Average = .015" Primary point gap .011" Contact Breaker Timing. | | Make | Break |…

Scan100 Remarks on the operational silence of a specially made quiet magneto.
View original record -6- (16) Remarks re silence of operation:- Quiet magneto made up specially with quieter gears and contact-breaker Contact breaker and gears very quiet. Slight bearing noise at certain high speeds. F H…

Scan101 Letter from Joseph Lucas Ltd. regarding the specifications and performance of a new type of magneto.
View original record REGISTERED OFFICES & GENERAL DEPTS. GREAT KING STREET. BIRMINGHAM LONDON OFFICE & SHOWROOMS, 224 SHAFTESBURY AVENUE, W.C.2 K8793 JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET BIRMINGHAM…

Scan102 Letter from Joseph Lucas Ltd. concerning sending a machine for performance checks.
View original record JOSEPH LUCAS LTD., To Messrs Rolls Royce Ltd., Derby. PAGE 2. DATE 12.4.26. stabalite in a rather different manner. We shall send these to you very shortly, but thought that perhaps it would save time…

Scan103 Test results for a Magneto type E.R.6, showing utility values in Micromhos with various cams.
View original record Messrs. Rolls Royce Ltd., Derby. April 12th.1926. Test of Magneto type E.R.6. No.51 A. sent to Messrs Rolls Royce Ltd. 1. Magneto fitted with Magnet of 10 m/m thickness. Utility Values in Micromhos…

Scan104 Table of data showing minimum sparking speeds for magnetos at various timing positions and cam angles.
View original record - 2 - MINIMUM OF SPARKING SPEEDS. Timing position. Angle of Make 84° " Break 96° Angle of Make 90° " Break 90° Angle of Make 110° " Break 70° Adv: 55 r.p.m. 60 r.p.m. 60 r.p.m. Ret: 30° 95 " 100 " 100…

Scan105 Specification sheet for minimum sparking speeds and leading distributor dimensions.
View original record - 3 - MINIMUM SPARKING SPEEDS. TIMING POSITION. Angle of Make 84° Angle of Make 90° Angle of Make 110° " Break 96° " Break 90° " Break 70° Adv: 55.r.p.m. 55.r.p.m. 50.r.p.m. Ret:30° 90 " 90 " 90 " "…

Scan106 Form recording the design and performance details of a magneto on test.
View original record X8793 X.430. FORM OF RECORDING DETAILS OF MAGNETO DESIGN AND PERFORMANCE. Date:- 24-4-26 Magneto on test:- Maker:- Lucas. X. No :- 8793 Type:- ER6 No :- 51 (1) Weight in pounds:- 13.625 (2) Remarks re…

Scan107 Engine ignition timing specifications for point gap, contact breaker timing, and automatic advance characteristics.
View original record -2- (4) Primary point gap :- .013" Contact Breaker timing:- Table 1: Make. Break. A. -3° 104.5° R. 56.5° 163.5° Table 2: Retard. Advance. Make 57° -3° Break 164° 105° Make 236° 177° Break 343° 284°…

Scan108 Test report page detailing the results of various electrical circuit tests.
View original record -3- Contd. (6) Endurance test :- OK (7) Short circuit test :- OK (8) Open circuit test:- OK (9) Open circuit primary volt-speed curve. Speed. Volts. Volts/Speed. not. taken Contd.

Scan109 Test results page detailing sparking characteristics, speed range, and other performance data.
View original record -4- Contd. (10) Closed circuit primary ampere-speed curve. Speed. Amperes. Speed. Amperes. Not taken (11) Utility tests. (a) (b) Not taken (c) (d) (11a) Speed range:- 950 to 1750 any position 350 to…

Scan110 Test report detailing secondary milliamps, primary point gap, and contact breaker timing measurements.
View original record -5- (14) Secondary milliamps :- Maximum :- 17.0 Minimum :- 4.5 (15) Primary point gap after previous tests:- .014" Primary point gap .010" Contact breaker timing. Table 1: Left Side: Make, Break A.…

Scan111 The quiet operation of a magneto and the tangential force required to move a cam cover.
View original record -6- (16) Remarks re silence of operation:- Very quiet magneto - contact breaker exceptionally quiet. (17) Tangential force measured at lever radius to move cam cover = 1.0 lbs. EFC.

Scan112 Comparison of Lucas and Watford magnetos for the Phantom model, advising against the cheaper option to protect the company's reputation.
View original record X8793 Extract from R3/M14.5.26. PHANTOM ======= MAGNETO. X.8793. X.8796. -------------------------- The Lucas was examined. It is a less costly machine to produce than the Watford, so that this is a…

Scan113 Comparing the Lucas magneto with the standard Watford magneto, proposing tests on the newer Lucas ER6 model.
View original record To R. from EFC. c. BJ. EX. c. Wor. PN. X8793 EFCL/T7.6.26. LUCAS MAGNETO & PRESENT STANDARD WATFORD MAGNETO. X8796 For the reasons herein detailed it is considered expedient to proceed with tests of…

Scan114 Analysis of issues with the standard Watford magneto and a list of proposed improvements for the Lucas magneto.
View original record -2- Contd. The standard Watford magneto has been by no means free from trouble and particularly with regard to noise, and in our opinion the internal time functioning of the machine is incorrect for…

Scan115 Advantages of a new magneto design and proposals for testing on an experimental chassis.
View original record EFCL/T4.6.26. -3- Contd. (1) Considerably easier control of the cam advance, i.e. less force required to move cam lever. (2) Complete absence of magnetic oscillatory pulses at the cam advance lever,…

Scan116 Comparative testing of the Lucas magneto against the standard Watford magneto for potential standardization.
View original record V8793 7.6.26. LUCAS MAGNETO & PRESENT STANDARD WATFORD MAGNETO. V8796 V8793 (NOTE BY H.E.W.) In our EFCL/T7.6.26 it was definitely stated that it was not our intention to rush this magneto for…

Scan117 Report page discussing a guarantee of reliability from the Lucas Co. for a magneto and a recent visit by Mr. North.
View original record -2- Contd. Also I think we made it clear in our report that we should require a guarantee of reliability from the Lucas Co. in the event of standardisation. We have been very fair with the Watford…

Scan118 Comparing Lucas and Watford magnetos regarding production methods, cost, design, and brand reputation.
View original record X8793 BY9/H. 8.6.26. MAGNETOS. X8795 X8796 Referring to EFC1/T.7.6.26. I think the lower price of the Lucas machine is, as pointed out by R, due to the fact that its design represents a less costly…

Scan119 Magneto reliability, comparing Watford and Lucas products and the potential impact on brand reputation.
View original record - 2 - Whether a magneto is produced for a low priced car or not is unimportant, as it should of necessity be of equal reliability in either case. With reference to EFC's point on page 2. that the…

Scan120 Letter from a director at Peto & Radford giving initial impressions on a newly fitted Lucas magneto.
View original record X.8593 Works, Dagenham Dock, Essex TELEPHONE VICTORIA 3667. 5 LINES. PRIVATE BRANCH EXCHANGE. TELEGRAMS CONCENTRATION, SOWEST, LONDON. Manufacturers of P&R Accumulators. Established 1889 PETO &…

Scan121 Form recording the design and performance details of a Lucas ER6 magneto under test.
View original record X 8793 X.430. FORM OF RECORDING DETAILS OF MAGNETO DESIGN AND PERFORMANCE. Date:- 10-8-26 Magneto on test :- Maker :- Lucas X. No :- 8793 Type :- ER6 No :- 54a (1) Weight in pounds :- 13.56 (2)…

Scan122 Specifications for primary point gap and contact breaker timing.
View original record -2- (4) Primary point gap :- .014" Contact breaker timing :- Make. Break A 3.5° 108° R 59.5° 164° Retard Advance. Make. 60° 4° Break 162° 106° Make 239° 183° Break 346° 290° Range :- 56° Make ratio :-…

Scan123 Test report page detailing endurance, circuit tests, and an open circuit primary volt-speed curve.
View original record -3- Contd, (6) Endurance test :- OK (7) Short endurance circuit test :- OK (8) Open circuit test :- OK (9) Open circuit primary volt-speed curve. Speed. Volts. Volts/Speed. 400 3.98 .00995 800 6.94…

Scan124 Test results for a closed circuit primary ampere-speed curve and sparking characteristics.
View original record -4- Contd. (10) Closed circuit primary ampere-speed curve. Volt-Ampere capacity = 44.1 Figure of Merit = 3.25 V.As per lb Speed. Amperes. 100 .72 200 1.23 300 1.61 400 1.98 600 2.25 800 2.43 1200 2.58…

Scan125 Test results for secondary milliamps, primary point gap, and contact breaker timing.
View original record -5- (14) Secondary milliamps :- Maximum :- 17.8 Minimum :- 4.8 (15) Primary point gap after previous tests :- .015" Primary point gap .019" Contact breaker timing. | | Make. | Break. |…

Scan126 Remarks on the silence of operation and a tangential force measurement.
View original record -6- (16) Remarks re silence of operation :- Very quiet in operation practically noiseless at low speeds. (17) Tangential force = 1.5 lbs wt.

Scan127 Request to install a Lucas ER6 magneto on chassis 8-EX and return the existing Watford magneto.
View original record To RHC. from EFC. c. Hs/Mr.Lidsey. X8793 EFC2/T13.B.26. LUCAS ER6. MAGNETO No. for 8-EX. We hand you herewith Lucas magneto ER6. No. which we have arranged with Mr. Hives to be put on chassis 8-EX.…

Scan128 6000-mile performance report on Chassis 12-EX, focusing on the magneto, battery ignition, and ignition governor.
View original record X8793 Extract from GWH1/RP19.8.26. REPORT ON CHASSIS 12-EX. EAC.VIII. AFTER 6000 MILES X.7940. Magneto & Drive. X.8793. Lucas magneto ERS-51A. Modified Hardy fabric coupling to E.74906 to L.O.P.…

Scan129 Extract from a letter from Peto & Radford regarding a special dynamo and the performance of a Lucas magneto.
View original record X8793 Extract from letter from PETO & RADFORD, 50, GROSVENOR GARDENS, S.W.1. M/5. 23. 8.26. X.8780. X.8660. X.8798. With regard to preparing a special dynamo for me, I will put this on when you like.…

Scan130 Chassis 12-EX, EAC.8 after a 9,000-mile test, focusing on the magneto and battery ignition systems.
View original record X8793 Extract from GWH2/RP.23.8.26. REPORT ON CHASSIS 12-EX. EAC.8 AFTER 9,000 MILES X.7940. Magneto & Drive. X.8793. X.7100 Lucas magneto No.326-ER.6. B1A. Modified Hardy fabric coupling to E.74506…

Scan131 Test results for two Lucas ER6 magnetos, numbers 53 and 54b, for fitting to an experimental chassis.
View original record ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.Y.B. Order No. WB 102 Customer's No. X8793 Lucas ER6 magnetos. We have received from the makers two further Lucas type ER6 magnetos Nos. 53 and 54b for test. These…

Scan132 Forgotten Lucas magneto for chassis No. 12-EX.
View original record X8793 Hs. CWB20/GM/24-9-26. Re: Chassis No. 12-EX. I am sorry that in delivering 12-EX to you I forgot to bring the Lucas magneto which had been removed. I will take the next opportunity of some car…

Scan133 The return of a Lucas magneto for chassis 12-EX.
View original record W/S. X8798 CWB. from EFC. EFC2/T27.9.26. RE CHASSIS 12-EX. Referring to your CWB20/GM/24.9.26, unless there is a car going within the next day or two, we should be pleased if you would take other…

Scan134 Examination report on a faulty Lucas ER6 magneto from a 12EX model.
View original record RR.238 (100 BKS.)(SHST.29-6-20.) MP 224356 X8793 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.G. 5-10-1926 Order No. WB107 Customer's No. X8793 Lucas ER6 magneto NO 51 off 12EX This magneto was returned to…

Scan135 Instructions sheet with handwritten notes on a suspected magneto failure due to contact breaker points.
View original record RR 238 (150 BKS.) (BHS7.29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. Customer's No. otherwise the other parts of the magneto appeared quite ok. We have not run this magneto on the…

Scan136 Extract from a letter from Peto & Radford regarding the performance of a Lucas magneto.
View original record X.8793. Extract from M/5. 5.10.26. Letter from Peto & Radford. I have been testing the Lucas magneto very thoroughly and in my opinion its performance from every point of view is far and away better…

Scan137 Internal memorandum discussing the performance and testing of Lucas type ERS magnetos.
View original record To Wd. from EFC. c. to Ev. Roy. X8793 EFC/T5.10.26. LUCAS TYPE ERS. MAGNETOS. We have now had in all five type ERS magnetos, numbered 50, 51, 53 and 54B, the last two of which were received together…

Scan138 Covering letter for reports on a 10,000-mile magneto test and its return to Messrs. Lucas for examination.
View original record Contd. -2- EFC1/T5.10.26. Please find attached :- (1) Copy of report on this magneto on the 10,000 mile test, after 6,000 miles. (2) Ditto, after 9,000 miles. (3) Copy of my assistant's report WB.107…

Scan139 Examination report on a faulty Lucas ERS Magneto No. 51.
View original record EFC. WB.107 5.10.26. X.8793 - LUCAS ERS MAGNETO NO.51 OFF 12-EX. This magneto was returned to us as being faulty by CWB. after having run 17,856 miles on 12-EX. Upon examination we observed the…

Scan140 Extract of a communication to Peto & Radford regarding the testing and standardisation of a Lucas magnetow.
View original record X6793 Extract from EFC2/T7.10.26. to Peto & Radford. X.8680. We note your remarks on the Lucas magnetow and these are very interesting in view of our own experience. We did not, however, get a…

Scan141 Report on the Lucas Magneto to be passed to Messrs. Lucas.
View original record X8793 To Wd. from EFC. EFC2/T12.10.26. RE LUCAS MAGNETO. Further to our EFC1/T5.10.26 and the matter which we suggested passing on to Messrs. Lucas, please find attached two copies of a further report…

Scan142 Investigation into the burning of distributors on Lucas magnetos following complaints and laboratory tests.
View original record EFC. COPY. Sept.26th. WB.101. BURNING OF DISTRIBUTOR ON LUCAS MAGNETOS. Owing to complaints received from Mr. Hancock re the above (see GWH1/RP19826 and GWH2/RP23826) we have run a Lucas magneto No.53…

Scan143 Continued report on distributor misfiring issues, suggesting better curing and increased carbon brush pressure as a remedy.
View original record -2- Contd. burning. Possibly three of the segments are higher than the others (dueto contraction of the distributor moulding) so that the carbon brush, which only has a small spring pressure, is…

Scan144 Form recording the design and performance details of a magneto on test.
View original record X8793 X.430. FORM OF RECORDING DETAILS OF MAGNETO DESIGN AND PERFORMANCE. Date:- 11-10-26 Magneto on test :- Maker :- Lucas. X. No :- 8793 Type :- ER6 No :- 54B. (1) Weight in pounds :- 13.625 (2)…

Scan145 Specifications for contact breaker timing and automatic advance characteristics.
View original record -2- (4) Primary point gap :- .013" Contact breaker timing :- | | Make. | Break | |---|---|---| | A | -5° | 100° | | R | 55° | 160° | | | Retard | Aadvance. | |---|---|---| | Make | 57° | -3° | | Break…

Scan146 Test report detailing results of endurance, short circuit, and open circuit tests, including a volt-speed curve.
View original record -3- Contd. (6) Endurance test :- OK. (7) Short circuit test :- OK. (8) Open circuit test :- OK. (9) Open circuit primary volt-speed curve. Speed. Volts. Volts/Speed. 400 3.53 .00883 800 6.54 .00818…

Scan147 Test results for a closed circuit primary ampere-speed curve and sparking characteristics.
View original record -4- Contd. (10) Closed circuit primary ampere-speed curve. Speed. Amperes. Speed. Amperes. 100 .65 1600 2.44 200 1.13 2000 2.47 300 1.52 2400 2.49 400 1.80 2800 2.51 600 2.06 3200 2.52 800 2.23 3400…

Scan148 Test results for contact breaker timing, primary point gap, and secondary milliamps.
View original record -5- (14) Secondary milliamps :- Maximum :- 15.6 Minimum :- 4.0 (15) Primary point gap after previous tests :- ·013" Primary point gap ·009" Contact breaker timing. Make. Break. A -7.5° 103° R 52.5°…

Scan149 Remarks on the silence of operation of a magneto and a measurement of tangential force.
View original record -6- (16) Remarks re silence of operation :- Very silent in operation, compared with standard Watford E06 magneto, at all speeds. (17) Tangential force = 1.25 lbs weight EFC / HEW.

Scan150 With observations and suggestions for improving Lucas magnetos.
View original record To Wd. from EFC. c. Ry. X8793 EFC3/T20.10.26. LUCAS MAGNETOS. Our experimental observations have shewn that the proportion of volts to amperes of the primary winding of this magneto is rather greater…

Scan151 Cover letter sending a previously omitted copy of an assistant's report on the Lucas magneto.
View original record To EY. from EFC. c. Wd. X8793 EFC4/T20.10.26. RE LUCAS MAGNETO. Herewith we send you copy of my assistant's further report on the Lucas magneto which, through an oversight, was not sent to you at the…

Scan152 Potential adoption of a Lucas magneto for the Phantom chassis.
View original record X8793 EFC. c. Wd. c. Hoy. Hs RECEIVED PHANTOM CHASSIS - LUCAS MAGNETO. During my recent visit to R. I raised the question of what attitude he proposed to adopt towards the Lucas magneto - was he…

Scan153 Comparison of relative distributor dimensions for the Lucas Magneto Type ERS.
View original record H.E.W. 28.10.26. 8793 LUCAS MAGNETO TYPE ERS. Suggested relative dimensions. Relative distributor dimensions. No.50. No.54b. Pitch. 1.00 1.00 1.00 Make ratio. .56 .605 .56 Range. .34 .32 .33 Forward…

Scan154 Table of distributor dimensions, relative pitches, and actual measurements for a Lucas ER6 Magneto No. 54b.
View original record X8793 28.10.26. LUCAS ER6 MAGNETO No.54b. Distributor dimension. Relative to pitch. Actual measurement. Pitch (P) 1.00 1.318 inches Make ratio (M) .58 .769" Range. (R) .33 .437" Forward overlap at…

Scan155 Arguing for continued experimental work on the Lucas Type ER6 Magneto based on its promising technical characteristics compared to the Watford magneto.
View original record To R. from EFC. c. BJ. BY. c. Wd. Roy. X8793 EFC2/T29.10.26. RE LUCAS TYPE ER6 MAGNETO. X8793 It is understood that you view with disfavour any further negotiations with the Lucas Co. incident upon…

Scan156 Suggestion to consider the Lucas magneto as a second option, noting their two-year guarantee.
View original record -2- Contd. Should we not consider this Lucas magneto as our second string ? The Lucas Company now give a two years' guarantee against failure of any parts of their magnetos. EFC.

Scan157 Relative merits of Lucas, Watford, and Bosch magnetos for various engine models.
View original record Y8793 To EY. } from R. EFC. } R6/M2.11.26. RE MAGNETOS. LUCAS, WATFORD, ETC. X.8793. X.7791. We fear to fit Lucas magnetos because they have such a bad reputation, whereas Watfords are considered the…

Scan158 Arranging the examination and testing of a sleeveless magneto produced by Messrs. Norths for the 40/50 HP engine.
View original record To BY. from EFC. c. to Wd. X8793 EFC1/LG3.11.26. LUCAS AND WATFORD MAGNETOS. X7791 With reference to R6/M2.11.26. and particularly to the second and fifth paragraphs, though we had urged Messrs.…

Scan159 Letter from an accumulator manufacturer regarding Mr. Royce's feedback on a car's performance, battery, and other components.
View original record X8793 Works, Dagenham Dock, Essex TELEPHONE VICTORIA 3667. 8 LINES PRIVATE BRANCH EXCHANGE. TELEGRAMS CONCENTRATION, SOWEST, LONDON. Manufacturers of P&R Accumulators. Established 1889 PETO & RADFORD…

Scan160 Table detailing the force required to move the cam lever on various magnetos.
View original record X.8793 13.12.26. FORCE NECESSARY TO MOVE CAM LEVER ON VARIOUS MAGNETOS | Magneto. | Type | No. | Force (Lbs.Wt). | |------------|---------|-----------|-----------------| | B.T.H. | FM.6. | 356,071 |…

Scan161 Magneto specifications and supplier issues, comparing Watford and Lucas products for 40/50 and 20HP models.
View original record CONFIDENTIAL. ORIGINAL. TO HS. BY.) FROM R. ERO. B.) (At Le Canadel.) X8793 R4/M23.1.27. DESPATCHED FROM WW. 27.1.27. Copy to - BJ. WOR. MAGNETOS FOR 40/50. AND 20HP. X7791 [crossed out] X8793 I was…

Scan162 With sketches discussing ignition component design, comparing different manufacturers and materials.
View original record X8793 -2- Extract from R5/H. 28-1-27. X4041 I rather like Bosch better than Delco, which has such a large piece of fibre to change its shape. Would it be good to have damping friction on the pivot ?…

Scan163 Sending two Lucas magnetos for trial as an alternative to the standard Watford magnetos for the Phantom chassis.
View original record To Mx. from EFC. X8793 EFC3/T31.1.27. LUCAS MAGNETOS. Herewith we hand to you two of the Lucas magnetos submitted a little while ago as an alternative to our present standard Watford, these machines…

Scan164 The lifespan of magneto platinum contact points from suppliers Watford and Lucas.
View original record EPC. WC.6. X8793 11.2.27. (illegible) LIFE OF MAGNETO PLATINUM POINTS. X.8796.X.8793. We do not think there is a magneto in existence whose contact points will last the life of the Rolls-Royce car.…

Scan165 Comparing the lifespan and performance of different types of magneto and battery ignition contact points.
View original record To R. from EFC. c.c. BJ. E. c. BY. WOr. (21st Aug) X8793 LIFE OF MAGNETO AND BATTERY IGNITION CONTACT POINTS. X.46524 X.8793/6. We have no experimental evidence to the effect that Lucas magneto…

Scan166 Inquiring about performance observations of two Lucas magnetos on a chassis.
View original record Remarks on the running general: Driver: V8793 ToMx. from EFC. EFC1/T9.3.27, LUCAS MAGNETOS. X.8793. Further to our EFC3/T31.1.27, it would be interesting to know if you have yet conducted any…

Scan167 Request from the Lucas Company to borrow an ERS magneto.
View original record To Mx. from EFC. X8793 EFC2/T10.3.27. RE LUCAS MAGNETOS. I have had a request from the Lucas Company that they wish to borrow temporarily one of the ERS magnetos at present in our possession, and I…

Scan168 Reply concerning the testing of Lucas Magnetos X8795.
View original record X8793 EFC. Mx/McM2/T10.3.27. re Lucas Magnetos X8795. In reply to your EFC/T9.3.27, one of these magnetos has been fitted to a chassis at the beginning of test, and so far has been quite satisfactory.…

Scan169 Authorizing the loan of an ER6 magneto to Joseph Lucas Ltd.
View original record X8793 To D/BP from EFC. c. Mt. (Stores) EFC4/T10.3.27. RE LUCAS ER6 MAGNETO. Messrs. Lucas Ltd. have expressed a wish to borrow temporarily one of our ER6 magnetos, as they have not one of this type…

Scan170 Letter to Joseph Lucas Ltd. regarding the return of a Magneto.
View original record X8793 EFC1/T. 12th March, 1927. Messrs. Joseph Lucas Ltd., Well Street, Birmingham. Dear Sirs, As requested on the telephone on Thursday last by your Mr. W.E. Robinson, we have taken steps to return…

Scan171 Test report on a Lucas Magneto detailing its performance, silence and interchangeability issues with a Watford Magneto.
View original record EFC. from Mx. X8793 Mx4/T22.3.27 re Lucas Magnetos. We have given a very thorough test to the Lucas Magneto 54B 426 it has done equivalent to 300 miles on the road, and also 100 miles on the…

Scan172 Confidential memo discussing issues and costs related to Lucas and Watford magnetos.
View original record KANT-INDIA HARD STOCK X8793 Private and Confidential BY. from ROY a. to Wor. b. to Hs. c. to He. d. to EFC e. to Hx ----------------- LUCAS MAGNETOS ----------------- The Lucas Company have always…

Scan173 Confidential letter from Joseph Lucas Limited concerning magneto returns under guarantee.
View original record COPY From: JOSEPH LUCAS LIMITED Great King Street, BIRMINGHAM 29th March 1927 PRIVATE AND CONFIDENTIAL Messrs. Rolls Royce Ltd. OL/FEA DERBY Dear Sirs, MAGNETOS As requested by your Mr. Royce the…

Scan174 Letter from Joseph Lucas Ltd regarding product reliability, contact breaker points, and distributor brush issues.
View original record Copy From: JOSEPH LUCAS LTD 29th March 1927 2. Of the total defects of 37, you will be interested to learn that we have, so far, not had a single claim for replacing contact breaker points. For your…

Scan175 Copy of a letter from Joseph Lucas Ltd offering to supply further details on a matter.
View original record Copy From: JOSEPH LUCAS LTD 29th March 1927 3. We trust that this deals fully with the matter, but should you desire any further details, we shall only be too happy to supply them. Yours faithfully…

Scan176 Letter to The Lucas Elec. Co. Ltd. requesting the return of a borrowed type ER6 magneto.
View original record X8793. EFC1/T. 6th April, 1927. Mr. W.E. Robinson, Messrs. The Lucas Elec. Co.Ltd., Great King Street, Birmingham. Dear Mr. Robinson, Have you yet finished with the Lucas type ER6 magneto which you…

Scan177 Letter from Joseph Lucas Limited confirming a telephone conversation and arranging to send a sample E.R.6 magneto.
View original record REGISTERED OFFICES & GENERAL DEPTS. GREAT KING STREET, BIRMINGHAM. LONDON OFFICE & SHOWROOMS, 224, SHAFTESBURY AVENUE. W.C.2 X8793 TRADE MARK TELEGRAMS: 'LUCAS, BIRMINGHAM' TELEPHONE: NORTHERN 2201…

Scan178 Poor reputation of the Lucas magneto and advising against its adoption until its reliability is proven on other vehicles.
View original record TO- EPC HS. FROM R. & E. (At Le Canadel.) Copy to ES. WOR. X5792 RECEIVED 14 APR 1927 R2/M12.4.27. REC'D DURING EASTER, AND DESPATCHED 20.4.27. MAGNETOS - WATFORD.V.LUCAS. I am not prejudiced against…

Scan179 Superior performance of Lucas magneto contact points and proposing an experiment to test them.
View original record X8793 To Wd. from EFC. c. BY. EFC6/T25.4.27. We have heard a good deal lately from various sources as to the excellent performance of contact points of Lucas magnetos, and it is understood that these…

Scan180 Letter to Lucas Electrical Co. Ltd. about a returned ERS magneto and a request for clarification on its replacement.
View original record EXPERIMENTAL REPORT X8793 EFC7/T. 25th April, 1927. Messrs. The Lucas Elect. Co.Ltd., Well Street, Birmingham. For the attention of Mr. W.E. Robinson. Dear Sirs, ERS MAGNETO. We have now received back…

Scan181 Return and replacement of a Lucas type ERS Magneto.
View original record To Wd. from EFC. X8793 EFCL/T27.4.27. LUCAS ERS MAGNETO. In accordance with a telephone conversation we have had this morning with Mr. Robinson of Messrs. Lucas Ltd., we hand you Lucas type ERS…

Scan182 Letter from Joseph Lucas Limited regarding the return and modification of an E.R.6. Magneto.
View original record REGISTERED OFFICES & GENERAL DEPTS. GREAT KING STREET, BIRMINGHAM. LONDON OFFICE & SHOWROOMS. 234, SHAFTESBURY AVENUE, W.C.2. TELEGRAMS: 'LUCAS. BIRMINGHAM' TELEPHONE: NORTHERN 2201 (SIX LINES)…

Scan183 Forwarding a copy of a letter from Joseph Lucas Ltd. concerning their contact points.
View original record EFC. from Wd. c. to By. X8793 Wd1/NJ2.5.27 Lucas Contact Points. Referring to EFC6/T25.4.27, I attach hereto copy of letter from Joseph Lucas Ltd. dated 30th ult., which is self-explanatory. If you…

Scan184 Letter from Joseph Lucas Ltd. responding to a request for special contact breaker points and offering to investigate the entire ignition system.
View original record Copy of letter from:- JOSEPH LUCAS LTD., Great King Street, Birmingham. Ref.- OL/FEA. 30th April, 1927. Messrs.Rolls-Royce Ltd., Derby. Dear Sirs, For the attention of Mr.Whitehead. In reply to your…

Scan185 Letter to Joseph Lucas Ltd. regarding an experiment to fit their contact breaker points to a battery ignition system.
View original record Wd5/NJ26.4.27. 26th April, 1927. Messrs. Joseph Lucas Ltd., Well Street, Birmingham. Dear Sirs, We shall be pleased to learn whether you will undertake to fit 3 contact breaker levers and 3 screw…

Scan186 From EFC to Wd. discussing a proposal to experimentally test Lucas contact points on their ignition apparatus.
View original record To Wd. from EFC. X6793 EFC2/T3.5.27. LUCAS CONTACT POINTS. We have further considered Wd1/NJ2.5.27 and the letter from Messrs. Lucas attached thereto. Taking into the consideration the way their…

Scan187 The supply of ignition sets to Messrs. Lucas for their contact points.
View original record To Wd. from EFC. X8793 EFC/T3.5.27. Lucas contact points. With reference to your Wd/NJ2.5.27, we are looking into this matter. It is rather an undertaking to send to Messrs. Lucas three complete sets…

Scan188 Decision not to pursue a matter with Joseph Lucas Ltd.
View original record EFC. from Wd. X8703 Wd7/NJ4.5.27. Lucas Contact Points. I have discussed yours EFC2/T3.5.27 with By. and we are both of the opinion that we should not further pursue with Joseph Lucas Ltd. the matter…

Scan189 The performance and issues with a Lucas Magneto and other components on car 7-EX after 10,000 miles.
View original record TO HS. FROM R. X8793 R1/M11.5.27. Copy to WOR. BY EFC. B LUCAS MAGNETO ON 7-EX. ETC. X8793 As far as I know this has behaved quite satisfactorily during its 10,000 miles in France. MAGNETO CONTACT…

Scan190 Inspecting a Bosch ignition coil and returning a Lucas magneto.
View original record To E. from EFC. X8793 EFCl/T17.5.27. BOSCH IGNITION COIL. X.4275. With reference to Mr. Royce's remarks concerning the special design of the Bosch ignition coil, it has occurred to us that you might…

Scan191 Modifications made to a Lucas EF6 Magneto and outlining future comparative tests.
View original record To R. from EFC. c. B.J. Wor. c. E. By. X8793 EFC1/T19.5.27. LUCAS EF6 MAGNETO. One of the Lucas type EF6 magnetos which we had for test has recently, at Messrs. Lucas' request, been modified by them…

Scan192 Instruction sheet detailing modifications to the Lucas ER6 magneto No 53.
View original record RR 238 (150 BKS.) (DO 461-8-12 x4) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.7.b. Order No. WC16 Customer's No. Lucas ER6 magneto No 53. This magneto has recently, at the request of messrs Lucas,…

Scan193 Instructions regarding modifications and comparative testing of Lucas and Watford magnetos.
View original record RR 23B (150 BKS.) (DB 461-8-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. (2) 19 To Order No. Customer's No. experimenting with Lucas magnetos we have experienced trouble due to carbon brush…

Scan194 Form recording the details and performance of a magneto test.
View original record X8793 L X.430. FORM OF RECORDING DETAILS OF MAGNETO TEST AND PERFORMANCE. Date:- 1-6-27 Magneto on test :- Maker :- Lucas. X. No :- 8793. Type :- ER6. No :- 53. (1) Weight in pounds :- 13.31. (2)…

Scan195 Specifications for primary point gap, contact breaker timing, and automatic advance characteristics.
View original record -2- (Handwritten in red: L) (4) Primary point gap :- .010" Contact breaker timing :- | | Make | Break | |---|---|---| | A | -7.5° | 96° | | R | 52.5° | 156° | | | Retard | Advance. | |---|---|---| |…

Scan196 Specification sheet detailing distributor dimensions in relative and absolute units, with a handwritten explanatory note.
View original record -2a- Distributor dimensions. | | Relative. | Absolute (inches) | |---|---|---| | Pitch (P) = | 1.000 | 1.310 | | Make ratio (M) = | .575 | .753 | | Range (R) = | .333 | .436 | | Forward overlap at…

Scan197 Results of endurance and open circuit tests, including a volt-speed curve.
View original record -3- Contd. (6) Endurance test :- OK. (7) Short endurance circuit test :- OK. (8) Open circuit test :- OK. (9) Open circuit primary volt-speed curve. Speed. Volts. Volts/Speed. 400 3.44 .00860 800 6.36…

Scan198 Test results for an electrical component, detailing ampere-speed curves and sparking characteristics.
View original record -4- Contd. (10) Closed circuit primary ampere-speed curve. Speed. Amperes. Speed. Amperes. 100 .77 2000 2.45 200 1.24 2400 2.47 300 1.60 2800 2.48 400 1.86 3200 2.49 600 2.10 3400. 2.50. 800 2.25 1200…

Scan199 Test report detailing secondary milliamps, primary point gap measurements, and contact breaker timing results.
View original record -5- (14) Secondary milliamps :- Maximum :- 15.0 Minimum :- 4.2 (15) Primary point gap after previous tests :- .010". Primary point gap .014". Contact breaker timing. Make. Break. A -2.5° 94° R 57.5°…

Scan200 Notes on operational silence and the tangential force required to advance a cam lever.
View original record -6- L (16) Remarks re silence of operation :- Very quiet at low speeds. Contact breaker operates very quietly. (17) Tangential force to advance cam lever:- 1.25 lbs wt. EFC. [Faint mirrored stamp…

Scan201 Requesting a comparative test of a sleeveless Watford magneto and a Lucas type ER6 magneto.
View original record To Mx. from EFC. c. BY. X8793 EFC6/T10.6.27. X.7791. SLEEVELESS WATFORD MAGNETO. X.8793. LUCAS TYPE ER6. Herewith we hand to you the latest Watford sleeveless magneto, together with the most…

Scan202 The inspection and testing of a new sleeveless Watford magneto and an up-to-date Lucas ER6 magneto.
View original record To R. from EFC. c. BJ. E. c. Da. Wor. c. HY. Mx. c. EP. RG. X8793 (EFC. absent) EFCl/T13.6.27. Dict. 11.6.27. X.430. MAGNETOS. NEW SLEEVELESS TYPE WATFORD MAGNETO NO.98201. X7791 X8790 UP-TO-DATE…

Scan203 Preliminary examination of a Lucas type ERS magneto, detailing modifications and specifications.
View original record EFCL/T13.6.27. -2- Contd. (3) Longer contact breaker cams like those of the new RO1 magneto. (4) Considerably easier moving cam ring a distinct improvement. Lucas type ERS magneto. From a preliminary…

Scan204 Comparison of specifications for Watford and Lucas magnetos, including ranges, timing, and distributor dimensions.
View original record Contd. -3- EFCL/13.6.27. respectively for the Watford and Lucas magnetos. The ranges as set by the makers were found to be :- Watford 50° Lucas 60° N.B. Our General Specification asked for "not less…

Scan205 Comparison table of relative distributor dimensions for different ignition systems.
View original record -4- Contd. Relative distributor dimensions. Watford. Lucas Lucas Suggested (Jump spark) (Wipe relative contact). dimensions. Pitch. (P) = 1.000 1.000 1.000 1.00 Make ratio (M) .690 .575 .575 .56 Range…

Scan206 Endurance, short circuit, and open circuit tests performed on two magnetos.
View original record -5- Contd. (6) In an endurance test carried out on the two magnetos, in which they were run for 7 hours each at a speed of 2000 r.p.m. with timing lever fully advanced, sparking being caused to take…

Scan207 Test report comparing the performance of two different machines, Lucas and Watford, including utility and speed tests.
View original record -6- Contd. (9) & (10). The open circuit volt-speed curve and the short circuit ampere-speed curve of the primary windings of these two machines have been observed, making use of suitable A.C.…

Scan208 Magneto performance, comparing the highest and lowest firing speeds of Watford and Lucas models under various test conditions.
View original record -7- Contd. to 4000 r.p.m. but in the advanced position it was incapable of firing the gap. N.B. It had been previously arrived at that the amount of leak on this test perhaps is too big, as in neither…

Scan209 Performance comparison between Watford and Lucas magnetos, detailing speeds, current draw, and noise levels.
View original record -8- Contd. Watford. Lucas. Advanced. 165 115 Central. 150 170 Retarded. 160 205 Our General Specification speed for the fully retarded position is 190 r.p.m. so that this is just missed by the Lucas…

Scan210 Comparison report on the performance of Watford sleeveless type and Lucas type E.H6 magnetos.
View original record -9- Contd. (17) The tangential force required to advance or retard the contact breaker cam ring is 1.0 lbs.wt. for the Watford and 1.25 lbs.wt. for the Lucas; the limit given in our General…

Scan211 Continued comparative analysis of Lucas and Watford magnetos regarding sparking figures.
View original record -10- Contd. Remembering that the instant of break in relation to the armature position of maximum flux is the same on the two machines, if we take the performance of the Lucas at the same degree of…

Scan212 Graph showing the open circuit volt-speed and short circuit ampere-speed curves for Watford and Lucas magnetos.
View original record O.C. VOLTS S.C. AMPERES LUCAS No 53 VOLTS AMPERES WATFORD No 98201 OPEN CIRCUIT VOLT-SPEED AND SHORT CIRCUIT AMPERE-SPEED CURVES OF PRIMARY WINDINGS OF WATFORD EOG (SLEEVELESS) AND LUCAS ERG MAGNETOS.…

Scan213 The dispatch of a Bosch ignition head and Lucas magneto, and requesting new models from Lucas and Watford.
View original record TO EFC. FROM E. Y8793 E2/M18.6.27. X 8793 x7791 X4278 re. ELECTRICAL MODELS. We are sending you under separate cover the Bosch battery ignition head, and Lucas magneto, as requested. We are sorry not…

Scan214 The upgrading of two Lucas magnetos to match a third, ensuring interchangeability of distributors.
View original record ROY. from EFC. Y8793 EFCL/T24.6.27. LUCAS MAGNETOS. We are sending to you two Lucas magnetos Nos. 51 and 54B. We should be pleased if you would have these returned to the makers for bringing…

Scan215 The testing results of a Lucas Magneto Type ER6, noting its performance and noise levels.
View original record X8793 EFC Mx4/T27.6.27. re X.8793. Lucas Magneto Type ER6. No. 53A/426 EFC6/T10.6.27. EFC3/T24.6.27. We return herewith Magneto 53A. We have run this Magneto 100 miles on the dynamometer and 100 miles…

Scan216 History of two Lucas magnetos.
View original record To ROY. from EFC. X8793 EFC1/T28.6.27. RE LUCAS MAGNETOS. Further to our EFC1/T24.6.27, herewith please receive certain information concerning the history of these two magnetos in our hands. EFC.

Scan217 History and performance report on Lucas ER6 Magnetos, models 51 and 54B.
View original record WC.27. 28th June, 1927. HISTORY OF LUCAS ER6 MAGNETOS NOS.51 and 54B. No.51. This magneto was received from Messrs. Lucas on 21.4.26 and was first of all tested on the bench completely to our general…

Scan218 The testing of a Lucas magneto 54B, detailing its performance and interchangeability with a Watford magneto.
View original record -4- Contd. No.54.B. This magneto was received from makers on 11.8.26 and was also tested completely on the bench to our general schedule. It was then handed to our Test Dept and was given a vigorous…

Scan219 Availability of the latest Lucas and new sleeveless Watford magnetos.
View original record X8793 To E. from EFC. EFC2/T29.6.27. X.7791. WATFORD SLEEVELESS MAGNETO. X.8793. LUCAS MAGNETO. Reference your E2/M18.6.27, we have not at the moment either one of the latest Lucas magnetos or the new…

Scan220 Instruction to replace the standard Watford magneto with an up-to-date Lucas magneto on chassis 9-EX.
View original record To FHC. from EFC. c. Hs/AJL. X8793 EFC3/16.7.27. LUCAS MAGNETO. No.53. Herewith we hand to you an up-to-date Lucas magneto Will you please have this put on chassis 9-EX, replacing present standard…

Scan221 Cured possibility of armature failures in magnetos and their low reject rate.
View original record BY. from ROY. c. to Hs. c. to EFC ------------- V8793 ROY12/G13.7.27 -------------- Mr. Oliver Lucas tells me, in his opinion they have now cured all possibility of Armature failures in their…

Scan222 Swapping of a Lucas magneto with a Watford magneto between cars 9-EX and 10-EX due to noise levels.
View original record EFC. X8793 9.8.27. V7791 We have changed the Lucas magneto fitted to 9-EX. to 10-EX. The Watford sleeveless magneto (No.98201) which was fitted to 10-EX has been fitted to 9-EX. We have made this…

Scan223 Inquiring about the status of two Lucas magnetos returned for upgrading.
View original record V8793 To Roy. from EFC. EFC4/T23.8.27. LUCAS MAGNETOS. We should like to know the present position of the two Lucas magnetos Nos.51 and 54B recently returned for bringing up-to-date equally with…

Scan224 Testing of a new sleeveless magneto and swapping existing magnetos between chassis to resolve a noise issue.
View original record To R. from EFC. c. BJ. E c. EX. Wor. X.8793 EFC5/T23.8.27. CHASSIS MAGNETOS. X.8793. X.7791 Your reference RL/M19.8.27. We have recently received a second sleeveless magneto, No.99171. There are a…

Scan225 Refusal to use Lucas magnetos due to their poor reputation and a comparison with other suppliers.
View original record To BJ. Wor. BY. EFC. Hs. ROY Sg. from R. X8793 RL/M27.8.27. high price of MAGNETOS ETC. X 8793. X.8790. X.7791. I am sorry I cannot make ROY. understand that it is not a question of quality or price,…

Scan226 Damaged Lucas magneto distributor and a proposal for a safer screw-on design.
View original record X8793 To Roy. from EFC. EFC5/T13.9.27. We hand you herewith the parts of a Lucas magneto distributor and rotor, No.53. These have been damaged as the result of an accident and Messrs. Lucas should be…

Scan227 Letter from Joseph Lucas Ltd regarding a delay in modifying two magnetos due to difficulties meeting performance specifications.
View original record REGISTERED OFFICES & GENERAL DEPTS. GREAT KING STREET, BIRMINGHAM. LONDON OFFICE & SHOWROOMS. 359, SHAFTESBURY AVENUE, W.C.2. JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET BIRMINGHAM…

Scan228 Letter to Messrs. Lucas Ltd. concerning experiments on ERS magnetos and a reduction in their utility value.
View original record X8793 Expl: Dept: EPC1/LG. 13th. Oct. 1927. Messrs. Lucas Ltd., Well Street, Birmingham. Dear Sirs, For the attention of Mr. R. Bolton. We thank you for your letter ref. X/B.7. of the 12th. inst.,…

Scan229 Letter from Joseph Lucas Limited regarding experiments and the despatch of two ER6 magnetos.
View original record REGISTERED OFFICES & GENERAL DEPTS. GREAT KING STREET, BIRMINGHAM. LONDON OFFICE & SHOWROOMS, 224, SHAFTESBURY AVENUE, W.C.2. TELEGRAMS: 'LUCAS, BIRMINGHAM' TELEPHONE: NORTHERN 2201 (Pte.Bch.Ex)…

Scan230 Letter to The Lucas Elect. Co. Ltd. regarding a revised specification of performance for a 6-cylinder magneto.
View original record X 8793 Also sent to Messrs. Watford. (EFC3/T) EFC2/T. 27th October, 1927. Messrs. The Lucas Elect.Co.Ltd., Well Street, Birmingham. X.8790 X 8793 Dear Sirs, Enclosed please find our right up-to-date…

Scan231 The delayed receipt of two Lucas magnetos sent for an update.
View original record To Roy. from EFC. X8793 EFC5/T13.12.27. LUCAS MAGNETOS. We are still awaiting the receipt of the two Lucas magnetos Nos. 51 and 54B. which we returned to them in June last to be brought up-to-date. We…

Scan232 Letter from Joseph Lucas Ltd regarding test results for type ER6 magnetos.
View original record X8793 REGISTERED OFFICES & GENERAL DEPTS. GREAT KING STREET, BIRMINGHAM. LONDON OFFICE & SHOWROOMS, 324 SHAFTESBURY AVENUE, W.C.2. TELEGRAMS: "LUCAS, BIRMINGHAM" TELEPHONE: NORTHERN 2201 (10 LINES)…

Scan233 Test specification and performance data for Lucas ER6 magnetos.
View original record B/197 JOSEPH LUCAS LTD., PAGE 2. DATE Jan.5th/28. To Messrs. Rolls Royce, Limited. TEST SPECIFICATION & PERFORMANCE OF LUCAS ER6. MAGNETOS. TEST. JUMP SPARK. (MACHINE) BRUSH TYPE MACHINE. Timing…

Scan234 The examination and testing of Lucas Type ER6 chassis magnetos.
View original record To R. from EFC. c. BJ. E. c. BY. Wor. c. Da. Roy X8793 EFC2/T24.1.28. LUCAS TYPE ER6. CHASSIS MAGNETOS. Attached will be found a copy of my assistant's report WC.66. dealing with the examination and…

Scan235 Test report on a Lucas ER6 magneto after a 14,000-mile run, comparing low-speed sparking performance.
View original record RR 236 (150 BKS.) (DB 461-9-12 24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.7C. Order No. WC66 Customer's No. X 8793 Lucas ERG magneto No 54A ex chassis 7EX This magneto has now been returned to…

Scan236 Instruction sheet detailing the examination of a magneto's electrical and mechanical condition.
View original record ROLLS-ROYCE LTD. INSTRUCTIONS. RR 236 (150 BKS.) 100 461-8-12 24) MP 306975 To____________________19__ Order No._________________ Customer's No._________________ This shows the reliability of the…

Scan237 Instructions regarding the cleaning of one magneto and the comparative testing of a Watford EW6 magneto.
View original record RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To_____________________19__ Order No._________________ Customer's No._________________ The magneto has since been cleaned…

Scan238 Sending a Lucas magneto with a jump spark distributor for testing.
View original record Mx. To KAX. from EFC. X8793 EFC3/T11.2.28. We are handing you Lucas magneto 54B which is one of the pair recently brought up-to-date by Messrs. Lucas, one of which is fitted with wipe distributor and…

Scan239 The investigation into the noisiness of Watford EW6 magnetos using modified cams.
View original record To R. from EFC. c. BJ. E. c. Da. Ev. c. Wor. X8793 EFC1/T11.2.28. WATFORD EW6 MAGNETOS. X7791 In our last report EFC6/T13.12.27, we stated that we were pursuing the question of noisiness of the make…

Scan240 The testing of magnetos, focusing on noise issues and their causes.
View original record -2- Contd. these machines back to alter the cams in accordance with our suggestions. Since the time of writing EFC6/T13.12.27 in which reference was made to the EW6 magneto No.100080 on 14-EX which…

Scan241 Noise testing of various magnetos and a modified contact breaker lever.
View original record Contd. -3- "In addition to the above, one of the suggested modified type of contact breaker lever was tried on each of two of the above machines in turn, in order to see if noisi-ness was affected by…

Scan242 Magneto noise and operating force issues, suggesting design modifications and referencing various suppliers and models.
View original record EPC1/T11.2.28. -2- Contd. to his satisfaction. When a particularly quiet machine is wanted for some special purpose, one of our Lucas machines is asked for. It has been suggested that Messrs. North…

Scan243 The design and performance variations of six magnetos, focusing on distributor rotor location and internal timing.
View original record EFCl/T11.2.28. -5- Contd. A point we have noted on these six magnetos is that the angular location of the distributor rotor is now made by means of a stud let into the bakelite wheel engaging a hole…

Scan244 The performance and durability testing of Lucas magnetos, comparing tungsten and platinum contact points.
View original record -6- Contd. of the remainder which were tested, showed a considerably less good retard low speed performance. We do not see good reason for easing our production test specification, as we find that the…

Scan245 Test report on a Lucas Magneto ER.6 type B54B which developed a knock and was returned.
View original record EFC. X.8793 Wx/McM11/T15.2.28 re Lucas Magneto ER.6. type B54B with f.s.d. With reference to your EFC3/T11.2.28 magneto No.B54A-426 was first tried out on a chassis for about 50 miles, during which…

Scan246 Exchanging a noisy Watford magneto for a Lucas magneto between experimental vehicles.
View original record To FHC. [struck through] from EFC. To. Hs/All. [underlined] X8793 [handwritten, underlined] EFC1/T6.3.28. [underlined] WATFORD & LUCAS MAGNETOS. [underlined] With reference to the Watford magneto on…

Scan247 The investigation of a knocking noise in a modernised Lucas ER6 magneto.
View original record ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.7.C. Order No. WC94 Customer's No. X8793 Lucas ERG magneto No 54 B. with f.s.d. This magneto is one of the pair recently modernised and returned to us for test. It…

Scan248 Noisy magneto caused by a slightly warped bakelite gear wheel.
View original record RR 236 (150 BKS.) (DB 481-9-12 24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To ________ 19__ Order No.________ Customer's No.________ the knock or uneven sound to disappear. Upon replacing the gear…

Scan249 The unsatisfactory performance of Watford EW.6 magnetos, particularly regarding noisiness and poor low-speed electrical output.
View original record To R. from EFC. c. BJ. Da. c. E. BY. c. Wor. X 8793 EFCl/T11.4.28. WATFORD EW.6. MAGNETOS X.7791 Y 8793 Refs.of previous reports : EFCl/T11.2.28 EFC8/T8.3.28. There is now further to report on these…

Scan250 Magneto performance issues, including cold start failures and noise, leading to specification changes and further testing.
View original record Contd. -2- EFC/T11.4.28. applied to the magnetos passed to our Dept." Later magnetos seem to have been rather poor, and we have noticed on our own tests that they are just on the limit. In fact it has…

Scan251 Endurance tests and noise issues with magnetos, mentioning specific part numbers and modifications.
View original record -3- Contd. 1450 r.p.m. (See EFC8/T8.3.28), the test being largely one of the endurance of the all-bakelite gears. The two machines (Nos.L0C080/1) which were put on 14-EX and 15-EX for France were also…

Scan252 Endurance tests of magneto components, including tungsten points and bakelite gears.
View original record -4- Contd. Our endurance test will also show up the endurance of the platinum points. We have suggested to Messrs. North the use of tungsten points as on the Lucas machine, and their answer runs as…

Scan253 Suggestion to obtain Lucas machines for production testing rather than experimental testing.
View original record -5- Contd. viz. the one that had run on your 7-EX in France. It is difficult to know what more can be done to help them. We suggest that we should be permitted to obtain a number of Lucas machines,…

Scan254 Selection of magnetos, comparing Watford, Lucas, and German Bosch models.
View original record EFC. Hs. )FROM R. ROY. BY. )(At Le Canadel) c. BJ. E. Fl. X8793 R1/M16.4.28. REC'D AT WW. & DESPATCHED 19.4.28. RE MAGNETOS - WATFORD ETC. X.7791. X.8790. Regarding the make of magnetos for our cars,…

Scan255 Extract from a letter regarding the performance of a Lucas magneto after 22,000 miles.
View original record X8793 Extract from Mr. Minchin's letter M/5. of 15.5.28. I have not kept the mileage as accurately as I ought to have done but I believe that the Lucas magneto has done between 20 and 22,000 miles,…

Scan256 Examination and test report for a Lucas EFS Magneto No.55 from a Phantom chassis.
View original record EFC. "C.111" X8793 12.6.28. LUCAS EFS MAGNETO NO.55 (Mr.Minchin) This magneto has been sent to us for examination and test by Mr. Minchin, having run approx. 20,000 miles on his late Phantom chassis.…

Scan257 The examination, testing, and return of a Lucas magneto from a customer's car.
View original record To Roy. from EFC. X8793 EFC3/T13.6.28. LUCAS MAGNETO. Please find attached copy of our report WC.111 on examination and test of the Lucas type ER6 magneto No.55., from Mr. Minchin's car. You may…

Scan258 Performance and selection of magnetos for car and aero engines.
View original record EFC. ) from R. HS. ) Ry. ) c. to BJ. Wor. Rg. X8793 RL/M21.6.28. MAGNETOS. X.7791. X.8793. CAR. Mr. Lidsey's report on Phantom experimental cars says that Watford magnetos are quiet, while Lucas are…

Scan259 Change to continuous cam ring type Watford magnetos and their effect on noise.
View original record To R. from EFC. c. BJ. Wor. RG. c. BY. X8193 EFC/T25.6.28. WATFORD MAGNETOS, TYPE EW.6. x2791 Your ref. RL/M21.6.28. With the exception of the machine on 14-EX (see Hs/AJL1/LG18.6.28), all the EW6.…

Scan260 Letter to North & Sons Ltd. regarding a loaned Lucas magneto and an invitation to view a dismantled Bosch magneto.
View original record Y8793 c. Mailing c. Roy. EFC2/T. 23rd July, 1928. Messrs. North & Sons Ltd., Whippendell Road, Watford. For the attention of Mr. R. H. North. X4568 Dear Sirs, You will remember that during one of your…

Scan261 Electrical experimental record sheet for a Lucas ER6 magneto No 53.
View original record Y8793 Sheet 1 ELECTRICAL EXPERIMENTAL RECORD SHEETS X.&No:- 8793 Lucas ER6 magneto No 53 Date on. Location. Date off. REMARKS. Miles reading start. Miles reading finish. Miles covered. Total miles.…

Scan262 Electrical experimental record sheet for a Lucas ER6 magneto, number 53.
View original record Sheet 2 ELECTRICAL EXPERIMENTAL RECORD SHEETS X. & No:- 8793 Lucas ER6 magneto NO 53 (continued) Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles…

Scan263 The examination of a Lucas ER6 magneto after 16,674 miles of running.
View original record RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.7.C. Order No: WD7 Customer's No: X8793 Lucas ER6 magnetos No 53. This magneto has now been removed from an exptl…

Scan264 Instructions detailing the poor performance of a tested magneto, noting noise and low-speed sparking issues with comparison figures.
View original record RR 238 (150 BKS.) (OB 461-8 12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To____________________ 19__ Order No. (WD7 contd) Customer's No.__________ Upon testing the magneto on the rig however we…

Scan265 Request for a report and billing instructions for a magneto repair concerning chassis 119-MC.
View original record N-W. X8793 A/W5/CM.21.9.28. Re Chassis No. 119-MC. With reference to the magneto sent you per our Advice Note No N/W 4341 for the attention of Mr Fowler Clark of the Experimental Department, and our…

Scan266 Clarifying the inspection of a Lucas magneto from Chassis No.119-MC.
View original record W-N. To A/W. from EFC. X.8793 EFC4/T28.9.28. Re Chassis No.119-MC. Answering your note A/W5/CM21.9.28 concerning the Lucas magneto No.55 from Mr. Minchin's car, which was sent to us about 15.5.28, we…

Scan267 Surplus Lucas ER6 magnetos and their potential return to the Lucas Co. for credit.
View original record To Roy. from EFC. X8793 EFC5/T2.10.28. LUCAS ER6 TYPE MAGNETOS. We have the following Lucas type ER6 magnetos in the Expl. Dept. which are not now required for further experimental test, as the…

Scan268 Letter concerning work on a magneto for Chassis No. 119-MC and querying who to debit for the charges.
View original record N-W (E.F.C.) X8793 Re Chassis No. 119-MC. We thank you for your EFC4/T28.9.28. concerning the magneto sent you off the above car, but you have not answered the last paragraph of our A/W5/CM.21.9.28.…

Scan269 Preliminary answer regarding the trial of a Lucas magneto on chassis 119-MC.
View original record X8793 W/N. EFC2/T8.10.28. RE CHASSIS 119-MC. In preliminary answer to your A/W3/CM6.10.28, we are under the impression that this trial of the Lucas magneto was carried out at Mr. Minchin's own…

Scan270 Letter to Mr. G.R.N. Minchin clarifying who should be charged for dismantling a Lucas magneto and fitting a standard one.
View original record X8793 EFCl/T. 8th October, 1928. Mr. G.R.N. Minchin, 50, Grosvenor Gardens, London, S.W.1. Dear Mr. Minchin, Our Sales are asking us to whom the charge should be made for "certain work here in…

Scan271 Letter from Peto & Radford concerning charges for dismantling a Lucas magneto.
View original record X. 8793 Works, Dagenham Dock, Essex TELEPHONE VICTORIA 3667. 5 LINES PRIVATE BRANCH EXCHANGE. TELEGRAMS CONCENTRATION, SOWEST, LONDON. Manufacturers of P&R Accumulators Established 1889 PETO & RADFORD…

Scan272 Payment responsibility for an issue related to Chassis 119-MC.
View original record W/N. ---- (8793) EFC2/T10.10.28. Re Chassis 119-MC. With reference to the correspondence on this subject, we have now heard from Mr. Minchin, and he says that strictly speaking, Lucas' ought to pay…

Scan273 Letter to Mr. G.R.N. Minchin regarding his remarks on the Lucas magneto.
View original record X8793 EFC2/T. 10th October, 1928. Mr. G.R.N. Minchin, 50, Grosvenor Gardens, London, S.W.1. Dear Mr. Minchin, I have your letter ref. M/5. of the 9th inst. concerning the Lucas magneto, and have…

Scan274 Electrical experimental record sheet for a Lucas type ER6 Magneto, number 51.
View original record Y8793 sheet 1 ELECTRICAL EXPERIMENTAL RECORD SHEETS X. & No: - 8793 Lucas type ER6 Magneto No 51 Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles…

Scan275 Electrical experimental record sheet tracking component changes and mileage.
View original record ELECTRICAL EXPERIMENTAL RECORD SHEETS. Sheet 2 Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. 12-4-28 | 8EX | | | 7886 |…

Scan276 Examination report for a Lucas ER6 magneto after 14,178 miles of running.
View original record ROLLS-ROYCE LTD. INSTRUCTIONS. To E.T.C. Order No. WD16 Customer's No. X 8793 Lucas ER6 magneto NO 51. This magneto has now been removed from expl chassis 8EX after completing 14,178 miles running. It…

Scan277 Test report on the sparking performance of a magneto, comparing it favourably to Lucas and Watford models.
View original record RR 228 (150 BKS.) (DB 461-8-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. (2) To Order No. WD16 (contd) Customer's No. assembled without any adjustments made and tested on the bench. H.T. Sparking…

Scan278 Letter to North & Sons Ltd. regarding a report on a Lucas type ER6 magneto with tungsten points.
View original record X8793 EFC2/T. 23rd October 1928. Messrs. North & Sons Ltd., Whippendell Road, Watford. Dear Sirs, The following is a copy of my assistant's report concerning a Lucas type ER6 magneto, which we think…

Scan279 Letter to Messrs. North & Sons Ltd. regarding the performance of a machine compared to others.
View original record -2- To Messrs. North & Sons Ltd. ------------------ This performance is considered to be remarkably good and better than several machines of this type which we have tested, both Lucas and Watford,…

Scan280 Letter from North & Sons Ltd. regarding the performance of a Lucas E.R.6 Magneto with different point materials.
View original record Motor Cycle & Cycle Show Nov. 5-10 OLYMPIA Gallery Stand No. 198 THE BRITISH MADE Watford @ MAGNETOS. X8793 NORTH & SONS, LTD. WHIPPENDEL ROAD, WATFORD. TELEGRAMS: AEROMAGS WESTCENT LONDON AEROMAGS…

Scan281 Instruction sheet detailing test results for a Lucas ER6 magneto following a customer query.
View original record RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 X 8793 ROLLS-ROYCE LTD. INSTRUCTIONS. To: £7C Date: 6 - 11 - 1928 Order No.: WD 20 Customer's No.: X.7791 Lucas ER6 magneto No 51. As a result of Messrs…

Scan282 Letter to Messrs. North & Sons Ltd. apologising for a delay in providing test results for a Lucas magneto.
View original record X8793 EFC2/T. Your.CHK/EP. 27th December, 1928. Messrs. North & Sons Ltd., Whippendell Road, WATFORD. Dear Sirs, We regret that we have not previously answered your letter of the 24th of October. We…

Scan283 Electrical experimental record sheet for a Lucas ER6 magneto No 54B.
View original record ELECTRICAL EXPERIMENTAL RECORD SHEETS X. &No:- 8793 Lucas ER6 magneto No 54B Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles.…

Scan284 Electrical experimental record sheet for a Lucas ER6 magneto, tracking its performance and testing mileage.
View original record (Sheet 2) Lucas ER6 magneto No 54 B ELECTRICAL EXPERIMENTAL RECORD SHEET. Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles.…

Scan285 Electrical experimental record sheet for a Lucas magneto type ER6 NO54A.
View original record ELECTRICAL EXPERIMENTAL RECORD SHEETS X 8793 X.&No:- 8793 Lucas magneto type ER6 NO54A Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. |…

Scan286 Electrical experimental record sheet for a Lucas magneto type ER6 No50.
View original record ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No:- 8793 'Lucas magneto type ER6 No50 Due on. | Location. | Date off. | REMARKS. | Miles reading Start. | Miles reading finish. | Miles covered. | Total…

Scan287 Letter to Messrs. North & Sons, Ltd. regarding the return and inspection of magneto parts and tungsten contact points.
View original record X8793 c. Mailing. EFC4/AD. 18th July, 1929. Messrs. North & Sons,Ltd., Whippendell Rd., Watford. Dear Sirs, We shall be pleased to know if you would now be able to return the parts of the R.Bosch…

Scan288 Loan of a Lucas Magneto to The Watford Magneto Co. Ltd. for inspection.
View original record X8793 To. D/BP.from EFC. c. to Stores. EFC.2/IN.31.7.29. re. Lucas Magneto. We are sending into the Stores, 1. Lucas Magneto. Will you please arrange to have this sent to:- Messrs. The Watford…

Scan289 Letter regarding a broken distributor rotor arm from a loaned Lucas magneto, seeking advice on obtaining a replacement.
View original record X8793 SPEEDOMETERS THE BRITISH MADE Watford & MAGNETOS. NORTH & SONS, LTD. WHIPPENDALL ROAD, WATFORD. CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, CROWN AGENTS FOR THE COLONIES, INDIA OFFICE. TELEPHONES:…

Scan290 Arranging the transfer of a Lucas distributor rotor and distributor to Messrs. North & Sons.
View original record D/BP. from EFC. c. G/Mt. X8793 EFC6/AD10.9.29. We are sending into the Stores :- Lucas type E.R.6. wipe contact distributor rotor and distributor. Will you please arrange to send these to Messrs.…

Scan291 Letter to Messrs. North & Sons, Ltd. regarding the supply of spare magneto parts.
View original record X8793 c. Mailing. EFC5/AD. 10th September, 1929. Messrs. North & Sons, Ltd., Whippendell Rd., Watford. Dear Sirs, Lucas type E.R.6. Magneto. Answering your letter reference CT/6. of the 9th inst. we…

Scan292 Confirming an investigation into the disposal of Lucas type ER.6 chassis magnetos.
View original record X8793. Roy. from EFC. EFC11/AD25.4.30. X.8793. LUCAS MAGNETOS. This is to confirm that you will be looking into the question of the disposal of the Lucas type ER.6. chassis magnetos which we have in…

Copyright Sustain, All Rights Reserved.    whatever is rightly done, however humble, is noble