Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 167\3\        Box Selection

IdentifierEntry
img001 Letter from a cable supplier discussing a puckering effect found on a sample of H.T. Ignition Cable.
View original record 86110. TELEGRAMS: "LIMITED, HELSBY." TELEPHONE No 66. WORKS: PRESCOT AND HELSBY. HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "INSULATOR, PRESCOT" TELEPHONE No 6571 PRESCOT TEN LINES - PRIVATE BRANCH…

img002 Letter from The General Electric Co. Ltd. inviting Rolls Royce's Chief Engineer to visit their Moulded Insulation Shops.
View original record The General Electric Co Ltd ENGINEERING WORKS, WITTON, BIRMINGHAM, 6. Contractors to H.M. Admiralty, War Office, India Office, G.P.O. and the Leading Home & Foreign Railways. Telephone: EAST 0770 (15…

img003 Letter to The General Electric Co. Ltd. postponing a visit to their Moulded Insulation shops.
View original record Expl. Dept. 6110. Lr/Wst.9/MJ. 6th. November, 1936. The General Electric Co. Ltd., Engineering Works, Witton Birmingham, 6. Dear Sirs, With reference to your letter of the 4th. inst., ref: H.N.W. We…

img004 Letter from The General Electric Co. Ltd. confirming a meeting and travel arrangements.
View original record Telephone: EAST 0770 (15 LINES) Telegrams: 'POLYPHASE, BIRMINGHAM' Contractors to H.M. Admiralty, War Office, India Office, G.P.O. and the Leading Home & Foreign Railways. The General Electric Co Ltd…

img005 Letter to The General Electric Co. Ltd. arranging a meeting and pickup at New St. Station.
View original record r6110. Experimental Department Rm/Wst.33/AP. 12th November 1936. The General Electric Co.Ltd., Engineering Works, Witton, BIRMINGHAM 6. For the attention of Mr.Whitford. Dear Sir, In reply to your…

img006 Letter to Mr. Kaula of General Electric Co. regarding a works visit and awaiting quotations.
View original record Rm/Wst.2/JH. x6110. 18th November, 1936. Mr. Kaula, Moulded Insulation Works, General Electric Co., Witton. Birmingham. Dear Mr. Kaula, Many thanks for the extremely interesting time spent at your…

img007 Letter from the Experimental Department arranging a visit to Ebonestos Insulators Ltd. to discuss Bakelite Mouldings.
View original record r6110 Experimental Department 18 November 1936. Rm/Wst.29/AP. Messrs Ebonestos Insulators Ltd., Excelsior Works., Rollins St., Canterbury Road, LONDON S.E.15. Dear Sirs, The undersigned, accompanied…

img008 Internal request to order special black insulating compound from British Insulated Cables Ltd.
View original record 6110 To Roy. from Rm/Wst. Rm/Wst.17/AP.3.12.36. Will you please order for us from Messrs British Insulated Cables Ltd., Prescot, Lancs, 10 lbs. of special black insulating compound, melting point…

img009 Letter from Hadfields (Merton) Limited regarding the despatch of varnish and compound samples.
View original record 6110 MAKERS OF FINE VARNISHES & JAPANS SINCE 1840. LONDON . PARIS . CALCUTTA CONTRACTORS TO H.M. GOVERNMENT. HADFIELDS (MERTON) LIMITED WESTERN ROAD MITCHAM SURREY TELEGRAMS: "DURAGLOSS, MITCHAM."…

img010 Faulty sample of Helsby cables which has been taken up with the makers.
View original record W/N. To Br. from Rm/Wst. 6110 Rm/Wst.7/AP.1.2.37. RE. HELSBY CABLES. We thank you for your By/Bk.1/A.26.1.37. enclosing a sample of faulty cable. We have immediately taken up this matter with the…

img011 The most economical method of producing ferrules for ignition wires.
View original record 6110 To Rm. WST BY/RD.9/B.3.2.37. FERRULES FOR IGNITION WIRES. As a result of our enquiries, the most economical method of producing Ferrules, has proved to be production from from Erinoid rod, with…

img012 Inquiry to Messrs Hadfields Ltd. about the suitability of their varnish for impregnating enamelled copper wire windings.
View original record 6110 Rm/wst.7/AP. Experimental Department 9th February 1937. Messrs Hadfields Ltd., Western Road, Mitcham, SURREY Impregnation of Electrical Windings with Varnish. Dear Sirs, In connection with the…

img013 Defective Helsby Cable removed from chassis GXM-79 after 1,998 miles.
View original record 6110 N/W - Rm/Wst. Br/Bk1/W.11.2.37. re Helsby Cables. Your Rm/Wst7/AP.1.2.37. We send you herewith a further length of Helsby Cable, which has become defective after 1,998 miles. This section was…

img014 Letter to a supplier, British Insulated Cables Ltd, regarding the failure of an ignition cable.
View original record 6110 (Experimental Dept.) Rm/Wst7/M. 13th February, 1937. E.A. Bayles Esq., Messrs. The British Insulated Cables Ltd., H E L S B Y Nr. Warrington. Dear Mr. Bayles, We have had another failure of your…

img015 Letter from British Insulated Cables Ltd. regarding a failure of their latest Ignition Cable on a Phantom III chassis.
View original record 6110 TELEGRAMS: 'LIMITED, HELSBY.' TELEPHONE Nº 66. WORKS, PRESCOT AND HELSBY. HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: 'INSULATOR, PRESCOT.' TELEPHONE Nº 6571 PRESCOT. TEN LINES - PRIVATE BRANCH…

img016 The failure of a Helsby H.T. coil feed wire from chassis 121-RY.
View original record N/W. Rm/Wst. ------- 6110 Br/Bk4/W.10.3.37. ---------- re Failure of Helsby Cables. ------------------------- We are sending you herewith a further defective piece of Helsby H.T. wire. This was taken…

img017 Letter to British Insulated Cables Ltd. regarding failing high tension cables on a P.3. chassis.
View original record 6160 11th March 1937. Rm/Wst.7/AP. British Insulated Cables Ltd., HELSBY, Nr. Warrington. For the attention of Mr. Bayles. Dear Sirs, We are still experiencing serious trouble with high tension cables…

img018 Letter from British Insulated Cables Ltd. regarding trouble with high tension cables on a P.3 chassis.
View original record 6110 TELEGRAMS: LIMITED, HELSBY. TELEPHONE No 66. WORKS: PRESCOT AND HELSBY. REGISTERED B TRADE MARK HEAD OFFICE: PRESCOT. LANCS. TELEGRAMS: "INSULATOR, PRESCOT." TELEPHONE No 6571 PRESCOT. TEN LINES…

img019 Letter to British Helsby Insulated Cables Ltd. regarding failures of their standard cable and a request for new ozone-proof alternatives.
View original record 6110 12th March 1937. Rm/Wst.6/AP. British Helsby Insulated Cables Ltd., HELSBY, NR. Warrington. For the attention of Mr.E.A.Bayles. Dear Sirs, We are experiencing still further trouble with standard…

img020 Letter from supplier E. Kalker & Co. confirming their high tension ignition cables are of British manufacture.
View original record E. KALKER. TELEPHONE: 5134. TELEGRAMS: "KALKER COVENTRY" ESTABLISHED 1901. CODES: A.B.C.(5TH EDITION), LIEBER'S. TRADE MARK E.K. E. KALKER & CO. THE COVENTRY ELECTRIC CABLE CO, LTD E.K. INSULATED…

img021 Letter to E. Kalker & Co. Ltd. requesting clarification on the manufacturing origin of H.T. cables.
View original record 6110 Rm/Wst.9/JH. 31st March, 1937. E.Kalker & Co.Ltd., Much Park Street, Coventry. Dear Sirs, We beg to thank you for your letter of the 26th inst. but note that you have not stated whether these…

img022 Letter from British Insulated Cables Ltd. concerning the supply and specifications of ignition cables.
View original record 6110 WORKS, PRESCOT AND HELSBY. BRITISH INSULATED CABLES LTD. MAKERS OF PRESCOT AND HELSBY CABLES. CONTRACTORS TO THE HOME, COLONIAL & FOREIGN GOVERNMENTS AND THE PRINCIPAL CORPORATIONS FOR ELECTRIC…

img023 Letter from a supplier discussing samples of Buna and Thiokol synthetic rubbers.
View original record 6110 HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "INSULATOR, PRESCOT." TELEPHONE Nº 6571 PRESCOT. TEN LINES - PRIVATE BRANCH EXCHANGE TELEGRAMS: "LIMITED, HELSBY." TELEPHONE Nº 66. WORKS: PRESCOT AND…

img024 Inferior grade of H.T. ignition cables supplied by a third party.
View original record To Roy. c. to By. c. to RHC. 6110 Rm/Wst.11/JH.9.4.37. British Insulated & Helsby Cables Ltd., H.T. Ignition Cables. We have ascertained that the cable this firm is now supplying to us is not of the…

img025 Follow-up letter from a supplier chasing the return of a 12-volt H.T. Ignition Coil for testing purposes.
View original record TELEGRAMS: "LIMITED, HELSBY." TELEPHONE Nº 66. WORKS: PRESCOT AND HELSBY. HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "INSULATOR, PRESCOT". TELEPHONE Nº 6571 PRESCOT. TEN LINES - PRIVATE BRANCH EXCHANGE…

img026 Letter to British Insulated Cables Ltd. regarding faulty coils and the calibration of their ozone test equipment.
View original record 6110 14th April 1937. Rm/Wst.10/AP. British Insulated Cables Ltd., HELSBY, Nr.Warrington. Dear Sirs, Replying to your letter of the 13th inst., reference EAB/RB., we have delayed sending a new coil…

img027 The specification for chassis H.T. ignition cables.
View original record By. from Rm/Wst. c. Roy. c. HS. c. G/Wt. c. RHC. 6110 Rm/Wst.12/AP.15.4.37 Re. Specification for Chassis H.T. ignition cables. We are sending you herewith two copies of specification EL.9. which…

img028 Specification for H.T. ignition cables for R.R. and Bentley chassis engines.
View original record SPECIFICATION NO. EL.9. H.T. IGNITION CABLES FOR R.R. AND BENTLEY CHASSIS ENGINES. (1) Conductor. The conductor shall consist of 19 strands of tinned annealed copper wire, each of .012" diameter. (2)…

img029 The standardisation of Erinoid ferrules for ignition wires.
View original record To Rm/Wst. c.c. PHC/Mr Brock. 6110. BY/RD.1/B.17.4.37. FERRULES FOR IGNITION WIRES: Further to our memo' BY/RD.9/B.3.2.37., Are you yet in a position to standardise the Erinoid Ferrules to replace the…

img030 Letter to British Insulated & Helsby Cables Ltd. regarding unsatisfactory ignition cable and the introduction of a new specification, No.EL.9.
View original record c. Rm/Wst. 6110. 19th. April 1937. BY.6/G. WST Messrs. British Insulated & Helsby Cables Ltd., Helsby, Lancs. Dear Sirs, Re: IGNITION CABLE. Referring to the delivery of a reel of cable which proved…

img031 Recommendation to use new ferrules for ignition wires following successful testing on a Phantom III chassis.
View original record By/RD. from Rm/Wst. c. RHC. 6110 Rm/Wst.12/AP.19.4.37 FERRULES FOR IGNITION WIRES. Replying to your By/RD.1/B.17.4.37 we have now run these for 2,500 miles on a P.III. chassis and are satisfied that…

img032 Letter to British Insulated Cables Limited regarding ignition cable specifications.
View original record c. ROY c. Rm/Wst. c. BY/EM. 6110 WST 21st. April 1937. BY.8/G. Messrs. British Insulated Cables Limited, Helsby, Near Warrington. Dear Sirs, Re: Ignition Cable. With reference to your letter of the…

img033 Production failures of Chassis H.T. Cables and the implementation of new testing specifications.
View original record 6110. Sg. from Rm/Wst. c. Hs. Rm/Wst.6/AP.23.4.37 Re. Chassis H.T.Cables. With reference to the failures which recently occurred on Production with these cables, and the discussion at the last…

img034 Letter to British Insulated Cables Ltd. requesting a change in the packing of H.T. cables for inspection purposes.
View original record 6110 April 23rd. 1937. Rm/Wst.8/AP. British Insulated Cables Ltd., HELSBY Dear Sirs, Re. Chassis H.T.Cables. On all future deliveries of cables to these Works, we should be much obliged if you will…

img035 The return of faulty Helsby Cables to the makers for free replacement.
View original record 6110 S/W To Rm/Wst from Sg. re Helsby Cables. Sg3/E26.4.37 Copy to Mr [Text Struck Through] I am in receipt of Rm/Wst.6/AP.23.4.37 and note the point which still further stresses the importance of our…

img037 Potentially faulty H.T. cables and a request for samples for testing.
View original record 6110. To Br. - N. Pk. - K. c. to Hd. Rm/Wst.9/AP.28.4.37 H.T. CABLES. I am requested by Sg. to make sure that you are carrying in your Stores the correct grade of Helsby H.T. cable in view of the fact…

img038 Letter to British Insulated Cables Ltd. regarding coils and a drawing for spark gap details.
View original record 6110 Wst/RG.7/JH. 29th April, 1937. The British Insulated Cables Ltd., Helsby. Dear Sirs, With reference to your letter of the 26th inst. ref.HH/FGB. we are sending the coils under separate cover.…

img039 Request to send two standard Phantom III ignition coils to British Insulated Cables Ltd.
View original record To HPS/CEP. 6110 Wst/RC.6/JH.29.4.37. Will you please send direct to the British Insulated Cables Ltd., Helsby, two standard P.III ignition coils, for which they will forward an official order. Please…

img040 Internal memorandum regarding the distribution and application of electrical specifications to manufacturers.
View original record To By. from Rm/Wst. c. Roy. c. G/Mt. Handwritten notes: double contact roller regul. L.T. Cables H.T. already sent. 6110 Rm/Wst.3/AP.30.4.37 ELECTRICAL SPECIFICATIONS. We now hand you herewith two…

img041 Letter from British Insulated Cables Ltd. arranging a visit to inspect H.T. Ignition Cable under test.
View original record British Insulated Cables Ltd. Makers of B.I. CABLES HELSBY, NEAR WARRINGTON. HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "LIMITED, HELSBY" TELEPHONE Nº 66. WORKS: PRESCOT AND HELSBY. TELEGRAMS:…

img042 Request for a covering order for 500 yards of 7 mm H.T. ignition cable from Messrs Johnson & Phillips Ltd.
View original record HPS/CEP. from Rm/Wst. 6110. Rm/Wst.7/AP.1.5.37 Will you please arrange for a covering order to be sent to Messrs Johnson & Phillips Ltd., for 500 yards of 7 mm. H.T. ignition cable as per sample…

img043 The rejection of poor quality Helsby H.T. Cable stock to avoid a production standstill.
View original record By. from Rm/Wst. c. RHC c. G/Mt. 6110 Rm/Wst.5/AP.1.5.37 RE. HELSBY H.T. CABLE. We have examined Production stock of the above and find it all to be very poor quality indeed and not comparable with…

img044 Faulty H.T. ignition cable supplied by the British Insulated Cable Co. and the steps for rectification.
View original record Sg. from Rm/Wst. c. Hs. c. By. c. RHC. c. Roy. c. Hd. c. Br. c. Pk. 6110 Rm/Wst.18/AP.3.5.37 RE: H.T. IGNITION CABLE. Mr.Britland of the British Insulated Cable Co. visited our Works this afternoon…

img045 The use of existing high tension ignition cable stock until a replacement supply arrives.
View original record N/W - Rm/Wst. 6110. Br/Bk2/W.4.5.37. re High Tension Ignition Cable. We are in receipt of your Rm/Wst18/AP.3.5.37. We note that you will be able to send us a quantity of correct high tension cable in…

img046 Request to despatch H.T. cable to Messrs. Lucas for laboratory testing.
View original record 6110 To HPS/CEP. from Wst/RC. Wst/RC.5/BJ.6.5.37. Will you please despatch 18 ft. of H.T. cable to Messrs.Lucas. This is to be tested in their laboratory, and should be marked for the attention of…

img047 Requesting the testing of a sample of 'Permel' copper wire from a new supplier.
View original record To Rm/Wst. 6110. BY/RD.3/B.7.5.37. We hand you herewith a sample bobbin of copper wire sold under the trade name of "Permel". This wire is made by Messrs. Johnson & Phillips Ltd., and we are advised…

img048 Letter from British Insulated Cables Ltd. concerning the composition and testing of high tension ignition cable samples.
View original record 6110 TELEGRAMS: "LIMITED. HELSBY." TELEPHONE No 66. WORKS: PRESCOT AND HELSBY. HEAD OFFICE: PRESCOT. LANCS. TELEGRAMS: "INSULATOR. PRESCOT." TELEPHONE No 6571 PRESCOT. TEN LINES - PRIVATE BRANCH…

img049 Letter to a supplier regarding the high cost and specification of an ozone-proof ignition cable for R.R. and Bentley chassis.
View original record 6110. Rm/Wst.1/AP. May 29th 1937 Messrs Johnson & Phillips Ltd., CHARLTON, LONDON S.E.7 Dear Sirs, High Tension Ignition Cable for R.R. and Bentley chassis. You will remember that we have been…

img050 Letter from Johnson & Phillips Ltd regarding a price quotation for High Tension Ignition Cable.
View original record SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. 6110. TELEPHONES: GREENWICH 3244 (10 LINES) GREENWICH 0047 (BUYER ONLY) TELEGRAMS: 'JUNO, CHARLTON-KENT'. ESTABLISHED 1875.…

img052 Chasing the supply of new Helsby high tension ignition cable.
View original record 6110 N/W - Rm/Wst. Br/Bk3/JS 1.6.37. re High Tension Ignition Cable. Will you please refer to your memo ref: Rm/Wst18/AP.3.5.37. wherein you informed us that you would be able to send us supplies of…

img053 Letter to Johnson & Phillips Ltd. clarifying specifications for Neoprene cable for cars versus aero engines.
View original record 6110 Rm/Wst.12/AP. 2nd. June 1937 Messrs Johnson & Phillips Ltd., Charlton, LONDON S.E.7 Dear Sirs, Replying to your letter of the 31st. ult., reference Sales Department (Cable estimating) A.G., the…

img054 Confirming that reels of B.I. H.T. Cable have passed tests and may be issued to production.
View original record 6110 To G/Mt. c. to Wst/RS. Wst/RC.12/JH.2.6.33 Re B.I. H.T. Cable. (10) Reels B.I.76 - B.I.85 have now passed the required tests and may be issued to production. Wst/RC.

img055 Letter concerning the return of a print for spark gap settings and a translation of a Bosch instruction.
View original record 6110 TELEGRAMS: "LIMITED, HELSBY." TELEPHONE No 66. WORKS: PRESCOT AND HELSBY. HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "INSULATOR, PRESCOT". TELEPHONE No 6571 PRESCOT TEN LINES - PRIVATE BRANCH…

img056 Approving a new batch of H.T. Ignition Cable and arranging for the return of old stock.
View original record 6110 W/N. To Br. from Rm/Wst. c. G/Mt. Rm/Wst.13/AP.2.6.37 H.T. IGNITION CABLE. Replying to your Br/Hk.3/JS.1.6.37 we have now approved a new batch of cable on Production and you can obtain this on…

img057 Request for a new supply of H.T. Ignition Cable and the return of existing stock.
View original record 6110 N/W. Rm/Wst. c-D/BP. c-G/Mi. Br/G6/M. 3.6.37. re, H.T. Ignition Cable. Thank you for your Rm/Wst.13/AP.2.6.37., contents of which we note. We shall be glad if BP will arrange to let us have a…

img058 Letter to a supplier clarifying the specification of an H.T. cable order.
View original record 6110. Wst/RC.6/JH. 4th June, 1937. Messrs. Johnson & Phillips Ltd., Charlton, London.S.E.7. Dear Sirs, We have placed an order with you for 500 yards of 7 m/m H.T. cable to sample 6229/B. Will you…

img059 Letter from Johnson & Phillips Ltd. explaining they cannot reduce the price of Ozone-proof Ignition Wire without compromising its quality.
View original record 6110 SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. TELEPHONES: GREENWICH 3244 (10 LINES) GREENWICH 0047 (BUYER ONLY) TELEGRAMS: "JUNO, CHARLTON-KENT." ESTABLISHED 1875.…

img060 Letter from Johnson & Phillips, Ltd. confirming the conductor size of a high tension cable.
View original record SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. TELEPHONES: GREENWICH 3244 (10 LINES) GREENWICH 0047 (BUYER ONLY) TELEGRAMS: 'JUNO, CHARLTON-KENT' CABLES: 'JUNO, LONDON'…

img061 Responding to a complaint regarding high tension wire.
View original record W/K. To Rm/GWH. from Rm/Wst. 6110 Rm/Wst.2/AP.7.6.37 HIGH TENSION WIRE With reference to your complaint to Hs. regarding the above, a copy of which was not sent to me, the matter has already been…

img062 The procurement of High Tension Wire.
View original record To Hs. from Rm/Wst. 6110. Rm/Wst.1/AP.7.6.37 RE: HIGH TENSION WIRE With reference to GWH's note, the matter was already dealt with in correspondence with Br. The first intimation we had that…

img063 Follow-up memo regarding a complaint about faulty high tension wire at Cricklewood Depot.
View original record 6110. Rm/Wst. c. Rm. c. Hs. June 8th, 37. Cricklewood Depot. High Tension Wire. Re your memo Rm/Wst2/AP.7.6.37. At the time I wrote re high tension wire complaint at Cricklewood. I was asked by the…

img064 Confirming that a batch of BW cable has passed testing and is approved for production.
View original record To G/Mt. c. to RHC/Smd. 6110. Wst/RC.5/JH.8.6.37 Please note that the following BW cable has passed the required tests and may now be issued to production. 10 reels B.I. 86 - B.I.95. Wst/RC.

img065 Letter from British Insulated Cables Ltd discussing the specifications for a Twin Ignition Cable and proposing an alternative construction.
View original record 6110 TELEGRAMS: LIMITED, "HELSBY." TELEPHONE Nº 66. WORKS: PRESCOT AND HELSBY. HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "INSULATOR, PRESCOT." TELEPHONE Nº 6571 PRESCOT. TEN LINES - PRIVATE BRANCH…

img066 Despatching a Spark Gap Instrument to British Helsby Cables Ltd after a calibration test.
View original record 6110 To. B/W. from HPS/AM. c. to Sy/St. c. to Lr/Wst. HPS/AM.4/CB.14.6.37. Re: SPARK GAP INSTRUMENT. Ref. Rm/Wst.6/JH.14.6.37. We are sending into the Despatch Stores :- 1 - Spark Gap Instrument. Will…

img067 Request to send a spark gap to British Helsby Cables Ltd. for calibration.
View original record To HPS/CEP. 6110 Rm/Wst.6/JH.14.6.37. Will you please arrange to send to the British Helsby Cables Ltd., Helsby :- One spark gap which has been sent to us for calibration purposes (no charge). The…

img068 Letter to British Insulated Cables Ltd. regarding the calibration of a spark gap and the excessive erosion of its points.
View original record 6110. Rm/Wst.4/JH. 14th June, 1937. The British Insulated Cables Ltd., Helsby. For the attention of Mr.H.Higham. Dear Sirs, In reply to your letter of the 2nd. inst. ref. HH/FGB. We are now arranging…

img069 Confirming that B.I. Cables have passed the required tests and are approved for production use.
View original record 6110 To G/Mt. c. to RHC/Smd. c. to Wst/RS. Wst/RC.16/JH.15.6.37. re B.I. Cables. Please note that the 10 reels B.I.96 - B.I.105 have passed the required tests and may be used on produption. Wst/RC.

img070 Follow-up on an unfulfilled order for High Tension Ignition Cable, resulting in the use of condemned material.
View original record N/W - Rm/Wst. c. to D/BP. c. to G/Mt. 6110. Br/Bk2/W.16.6.37. re High Tension Ignition Cable. Will you please refer to your Rm/Wst13/AP.2.6.37, wherein you advised us that high tension cable was in…

img071 Letter from British Insulated Cables Ltd. regarding the calibration of a spark gap.
View original record 6110: TELEGRAMS: "LIMITED, HELSBY." REGISTERED TELEPHONE No 66. WORKS: PRESCOT AND HELSBY. HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "INSULATOR, PRESCOT" TELEPHONE No 6571 PRESCOT. TEN LINES - PRIVATE…

img072 Confirming receipt of new H.T. ignition cable and the return of old stock.
View original record N/W. Rm/Wst. c-D/BP. c-G/Mt. 6110 Br/G11/M. 18.6.37. re, H. T. Ignition Cable. Referring to our Br/G6/M. 3.6.37., we have now received the supply of the new H. T. Cable. Our present stock of the…

img073 Urgent supply of H.T. Ignition Cable for the Cricklewood branch.
View original record 6110 To D/BP. c.c. to G/Mt. c.c. to Br. - Cricklewood. Rm/Wst.6/JH.19.6.37. re H.T. Ignition Cable. We understand that Cricklewood have not yet been supplied with approved H.T. cable in spite of their…

img074 Confirming the despatch of 3,000 feet of High Tension Ignition Cable.
View original record 6110 c. Rm/Wst D/BP/Bm15/JW.21.6.37. Re: High Tension Ignition Cable With reference to your Rm/Wst.6/JH.19.6.37, will you please note that 3,000 feet of the cable in question was despatched to N on…

img075 Confirming 10 reels of B.I. Cables have passed the required tests and can be issued for production.
View original record 6110. To G/Mt. c. to RHC/SMD. c. to Wst/RS. Wst/RC.4/JH.22.6.37. re B.I. Cables. Please note that the 10 reels B.I. 106 - B.I.115 have now passed the required tests and may be issued for production…

img076 The test results for B.I. H.T. Ignition Cables, noting that reel B.I.123 failed the ionization test.
View original record To G/Mt. c. to RHC/SMD. 6110. Wst/RC.3/JH.30.6.31. re B.I. H.T. Ignition Cables. 9 reels, B.I. 116 - B.I. 125 with the exception of B.I.123, have passed the required tests and may be issued to…

img077 The test results of B.I. High Tension Ignition Cable reels.
View original record To G/Mt. c. to RKL/SMD. C. to Wst/RS. 6110 Wst/RC.10/JH.6.7.37. re B.I. High Tension Ignition Cable. Please note that 9 reels, B.I.126 - 135 with the exception of B.I.133, have passed the Required…

img078 Test results for B.I. Helsby High Tension Cables, noting one reel failed the ionization test and must be returned.
View original record To G/Mt. c. to RHC/SMD. c. to Wst/RS. 6110 Rm/Wst.4/JH.15.7.37. re B.I. Helsby High Tension Cables. Please note that 9 reels BI136-145 with the exception of BI142, have passed the required tests and…

img079 Notification that 10 reels of B.I. Helsby High Tension Cable have passed tests and can be issued to production.
View original record To G/Mt. c.c. to RHC/SMD. c.c. to Wst/RS. 6110. Rm/Wst.9/JH.3.8.37. re B.I. Helsby High Tension Cable. Will you please note that 10 reels BI.146 - 155 have passed the required tests and may be issued…

img080 Test results for B.I. Helsby High Tension Cable reels.
View original record To G/Mt. c. to RHC/SMD. c. to RC/JJ. 6110 Rm/RC.4/JH.12.8.37. re B.I. Helsby High Tension Cable. Please note that 9 reels BI.157 - 165 have passed the required tests and may be issued to production.…

img081 Confirming that reels of B.I. Helsby High Tension Cable have passed tests and can be issued to production.
View original record To O/Mt. c. to RHC/SMD. c. to RC/CAP. 6110 Rm/RC.11/JH.20.8.37. re B.I.Helsby High Tension Cable. Please note that 10 reels BI.166-175 have now passed the required tests and may be issued to…

img082 Comparative test results of standard ignition H.T. cable versus a new experimental type from Johnson and Phillip.
View original record To By/RD from Rm/RC. c. RM. Rm/RC.15/MH.30.8.37. Johnson and Phillip Ignition H.T. Cable. Owing to the short life, on the car, of the standard ignition H.T. cable, grade 673, made by British Insulated…

img083 Specific type of cable used for wiring inlet and exhaust plugs on a 32EX.
View original record 2. Rm/RC.15/MH.30.8.37. This cable is also used for wiring the "A" side inlet and exhaust plugs on 32EX at present running in France. Generally, this cable is better than our standard type. It is,…

img084 Authorizing the issue of B.I. High Tension Cable reels to production after passing tests.
View original record 6110. To G/Mt. c. to RHC/SMD. c. to RC/CAP. Rm/RC.2/JH.30.8.37. re B.I. High Tension Cable. Please note that 10 reels BI.176-185 have now passed the required tests and may be issued to production.…

img085 Letter from Wiggin & Company advising on the unsuitability of Brightray wire and recommending oxidised Ferry wire for resistances.
View original record MONEL NOTES A series of publications for those engaged in the Power, Chemical and Process Industries Sent Free on request Y13 OUR REF. FT/EB/224 6110? CHILDS FOUNDED 1835 Wiggin & Company, Limited.…

img086 On the standardisation and testing of 'Neoprene' High Tension Cable for Johnson and Philips.
View original record To Roy [Struck through] c. BY/CS. c. Rm/RC. R. C. 6110. BY/RD.1/B.7.9.37. High Tension Cable. The standardisation for Johnson and Philips "Neoprene" High Tension Cable is now complete, and in order…

img087 Standardisation of parts report for a Neoprene Ozone Resisting H.T. Ignition Cable.
View original record RR 755B (1011) 26074 2-11-36 WHK 24999 COMPLETED 7.9.37. BENTLEY STANDARDISATION of PARTS. Date 2.6.37. X No. 6110. Drawing No. Description of Parts: JOHNSON & PHILLIPS "NEOPRENE" OZONE RESISTING H.T.…

img088 Standardization parts document for a Bentley ignition cable, detailing costs and production implementation.
View original record COMPLETED J.C.J. BENTLEY STANDARDIZATION PARTS Ref. No. X/ Date 21.9.36 Drawing No. D.116 Description of Part... JOHNSON & PHILLIPS "CHROME" IGNITION CABLE. Origin. To prevent cable breakdown existing…

img089 Standardisation of Johnson & Phillips 'Neoprene' ozone resisting H.T. ignition cable for the Phantom III.
View original record RR 755 (10H) 38137 7-4-37 WHK 26070 COMPLETED 7.9.37. PHANTOM III STANDARDISATION of PARTS. Date: 2.6.37. X No. 6110. Drawing No. Part List Description of Parts: JOHNSON & PHILLIPS "NEOPRENE" OZONE…

img090 Standardisation report for a 'Brougham' luggage grid on the Phantom II chassis for production in the 'E' Series.
View original record [Top section is mirrored, text decoded] MOTION III STANDARDISATION of PARTS. For Information and Remarks LUGGAGE GRID "BROUGHAM" Fitted to PHANTOM II CHASSIS To prevent cable breakdown existing…

img091 Standardisation of Johnson & Phillips 'Neoprene' Ozone Resisting H.T. Ignition Cable.
View original record RR 755A (SH) 22635 3/9/36 J.W.S. COMPLETED 7.9.37. 25/30 H.P. STANDARDISATION OF PARTS Date: 8.7.37. 2.6.37. X No. 6110. Drawing No. Part List Description of Parts. JOHNSON & PHILLIPS "NEOPRENE" OZONE…

img092 Tool cost and production commencement for the 'S2' Series chassis.
View original record Extra Tool Cost Nil. Could be brought on to production at the 1st. Chassis in "S2" Series (without scrap.)

img093 Letter from Johnson & Phillips Ltd. regarding cable specification EL.9/1 and requesting details for an ionization test apparatus.
View original record 6110. SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. TELEPHONES: GREENWICH 3244 (10 LINES) GREENWICH 0047 (BUYER ONLY) TELEGRAMS: "JUNO, CHARLTON-KENT" ESTABLISHED 1875.…

img094 Letter to Johnson & Phillips Ltd. regarding the successful ionization testing of their cable and details of the apparatus used.
View original record 16110. Rm/RC.16/MH. Messrs. Johnson & Phillips Ltd., Charlton, London, S.E.7. 5th. October 1937. Dear Sirs, With reference to your letter of the 17th. ult., we have subjected your cable to the…

img095 Letter from Johnson & Phillips acknowledging a recent enquiry and confirming a satisfactory cable test.
View original record .6110. SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. TELEPHONES: GREENWICH 3244 (10 LINES) GREENWICH 0047 (BUYER ONLY) TELEGRAMS: 'JUNO, CHARLTON-KENT'. ESTABLISHED 1875.…

img096 The test results for BI H.T. Ignition Cable reels, noting which have passed or failed inspection.
View original record To G/Mt. from Rm/RC. c. RHC/SMD. c. RC/CAP. 6110. Rm/RC.2/MH.11.10.37. RE BI. H.T. IGNITION CABLE. Please note that 8 reels, BI.186 - 195 with the exception of reels BI.190 and BI.194 have passed the…

img097 The results of a heating test on reels of H.T. cables, identifying which passed and which failed.
View original record 6110. To G/Mt. from Rm/RC. c. RHC/SMP. c. RC/CAP. Rm/RC.4/MH.19.10.37. Re BI. H.T. CABLES. Please note that 13 reels, BI.196 - 210 with the exception of reels 203 and 208 have passed the required…

img098 Letter from Johnson & Phillips Limited regarding a price quotation for Ignition Coils.
View original record SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. TELEPHONES: GREENWICH 3244 (10 LINES) GREENWICH 0047 (BUYER ONLY) TELEGRAMS: "JUNO, CHARLTON-KENT." ESTABLISHED 1875.…

img099 Letter responding to an enquiry about supplying a coil for an ionization test rig.
View original record 6110 Rm/RC.2/JH. 18th November, 1937. Messrs. Johnson & Phillips Ltd., Charlton, LONDON. S.E.7. Dear Sirs, In reply to your letter of the 15th inst. we have made enquiries as to a suitable coil for…

img100 Confirming that 15 reels of B.I. High Tension Cables have passed tests and may be issued for production.
View original record To G/Mt. From Rm/RC. c. RHC/Smd. c. RC/CAP. 6110 Rm/RC.2/MH.3.12.37. RE BI. HIGH TENSION CABLES. Please note that 15 reels, B.I. 211 - 225 have passed the required tests and may be issued for…

img101 Requesting the replacement of H.T. cables for a Phantom III No.6 Unit engine.
View original record To HPS. from Rm/RC. c. Rm/Swdl. Rm/RC.6/MH.14.1.38. RE P.III NO.6 UNIT. The H.T. cables on the above engine are in a poor condition. Will you please arrange for a new set of cables to be fitted.…

img102 Test results for B.I. High Tension Cable, noting one reel failed the ionization test.
View original record To G/Mt. c. to RHC/Smd. c. to RC/CAP. 6110 Rm/RC.9/JH.7.2.38. re B.I. High Tension Cable. Please note that 19 reels BI.226-245 with the exception of BI.244, have passed the required tests, and may be…

img103 Confirming 10 reels of B.I. High Tension Wire have passed tests and are cleared for production.
View original record X 6110 To O/Ht. from Rm/RC. c. RHC/SMD. c. RC/GJ. Rm/RC.8/MH.18.2.38. RE B.I. HIGH TENSION WIRE. Please note that 10 reels BI.246 - BI.255 have passed the required tests and may be issued to…

img104 Confirming that 10 reels of B.I. High tension cable have passed tests and can be issued to production.
View original record 6110 To G/Mt. c. to RHC/SMD. c. to RC/GJ. Rm/RC.8/JH.10.3.38. re B.I. High tension Cable tests. Please note that 10 reels BI.256-265 have now passed the required tests and may be issued to production.…

img105 Test results for B.I. High Tension Cable reels, indicating which have passed or failed.
View original record To G/Mt. c. to RHC/SMD. c. to RC/GJ. 6110. Rm/RC.4/JH.31.3.38. re B.I. High Tension Cable. Please note that the Reels No.BI.266 - BI.275 with the exception of BI.269 have passed the required tests,…

img106 Letter from a supplier requesting clarification on test procedures for an ignition coil spark-gap.
View original record SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. TELEPHONES: GREENWICH 3244 (10 LINES) GREENWICH 0047 (BUYER ONLY) TELEGRAMS: 'JUNO, CHARLTON-KENT'. ESTABLISHED 1875.…

img107 Letter to Messrs, Johnson & Phillips Ltd. regarding an ionization test and spark gap calibration.
View original record 6110 EXPERIMENTAL DEPT. Rm/RC.9/JH. 12th May. 1938. Messrs, Johnson & Phillips Ltd., Charlton, LONDON. S.E.7. Dear Sirs, With reference to your letter of the 4th. re our ionization test, the gap is…

img108 Follow-up letter from Johnson & Phillips regarding queries on specification E.L. 9/1.
View original record SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. TELEPHONES: GREENWICH 3244 (10 LINES) GREENWICH 0047 (BUYER ONLY) TELEGRAMS: 'JUNO, CHARLTON-KENT.' ESTABLISHED 1875.…

img109 Letter to Johnson & Phillips Ltd. regarding oversized High Tension wire which is unsuitable for production.
View original record 6110 EXPERIMENTAL DEPT. Rm/RC.8/JH. 17th May, 1938. Messrs. Johnson & Phillips Ltd., Engineers & Cable Makers, Suffolk House, BIRMINGHAM. For the attention of D.C.Mc. Lennan Esq. Dear Sirs, We have…

img110 Internal memorandum regarding Johnson & Phillips H.T. cable being oversized and unsuitable for the Phantom III chassis.
View original record To Roy. c. to G/Mt. c. to Ey. c. to RHC/SMD. 6110. Rm/RC.14/JH.17.5.38. re Johnson & Phillips H.T. Cable to specification EL.9/1. We have examined the first five reels of the above bable and find same…

img111 Letter from Johnson & Phillips Ltd. regarding difficulties in manufacturing a specific cable for replacement order R. 16835.
View original record SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. TELEPHONES: GREENWICH 3244 (10 LINES) GREENWICH 0047 (BUYER ONLY) TELEGRAMS: 'JUNO, CHARLTON-KENT'. ESTABLISHED 1875.…

img112 Letter from a supplier regarding difficulties in fulfilling a cable order due to a fire at their raw material source.
View original record With regard to your Replacement Order No. R. 16835, we regret that we are unable to take any steps to execute this. One of our difficulties is the fact that the very special material which, when…

img113 Letter from a cable supplier discussing the return of four out of five supplied high-tension wire reels.
View original record SPECIALISTS IN THE TRANSMISSION, TRANSFORMATION AND CONTROL OF ELECTRICITY. ESTABLISHED 1875. JOHNSON & PHILLIPS, LIMITED ELECTRICAL ENGINEERS AND CABLE MAKERS. Telephone: Midland 4141-2 Telegrams:…

img114 The test results and status of various reels of B.I. High Tension Cable.
View original record 6116 G/Mt. c.c. to RHC/SMD. c.c. to RC/GJ. Rm/RC.9/JH.1.7.38. Re B.I. High Tension Cable. Please note that 4 reels Nos.286, 291, 295 and 300 have passed the required test and may be issued to…

img115 Modification to the distributor wiring and ignition tube for the Wraith III and Bentley 111 models.
View original record BE/ND c. Rm ---/RC. 6119. 640*. DA.2/G.13.7.38. R.C. WRAITH 111 and BENTLEY 111. DISTRIBUTOR WIRING. Please receive herewith E.CD.796 Modified Front Ignition Tube for Delco Distributor. Wraith 111.…

img116 Letter from British Insulated Cables Ltd. responding to a request for a sample of H.T. Ignition Cable.
View original record TELEGRAMS: "INSULATOR, PRESCOT" TELEPHONE No 6571 PRESCOT. TEN LINES - PRIVATE BRANCH EXCHANGE WORKS: PRESCOT AND HELSBY. LONDON OFFICE: SURREY HOUSE, EMBANKMENT. W.C.2. TELEGRAMS: "AIRLIKE, ESTRAND,…

img117 Request for a further sample of H.T. Ignition Cable from a supplier as the previous sample was insufficient for testing.
View original record Roy/GEA. 5/VR. 12th. July, 1938. Messrs. British Insulated Cables, Ltd., 10, Commerce Square, High Pavement, NOTTINGHAM. Dear Sirs, Reverting to your letter ref.- MHH/FM. of the 25th. ultimo,…

img118 Letter from British Insulated Cables Ltd. concerning a sample of H.T. Ignition Cable for R.R. and Bentley Chassis.
View original record TELEGRAMS, "CONNECTORS, NOTTINGHAM." TELEPHONE Nº 45166 & 45671/2 WORKS: PRESCOT AND HELSBY. REGISTERED B TRADE MARK HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "INSULATOR, PRESCOT". TELEPHONE Nº 6571…

img119 The conversion of distributor wiring tubes for Wraith III and Bentley III engines.
View original record 6HTT. 6110 To Da. Rm/RC.30/JH.18.8.38. re Wraith III and Bentley III Distributor Wiring. With reference to Da.2/G.13.7.38. we have now converted one of the existing tubes (LEC.5638) to one conforming…

img120 The modification to the front ignition tube for the Delco Distributor on Wraith III and Bentley III models.
View original record RY/MS c. Rm/RC. DA.2/G.13.7.38. WRAITH III and BENTLEY III. DISTRIBUTOR WIRING. Please receive herewith E.CD.796 Modified Front Ignition Tube for Delco Distributor. Wraith III. The front wing tube to…

img121 Request for 100 ft. of B.I. insulated Neoprene 7 m/m H.T. cable for final testing on experimental engines.
View original record To Roy/Ms. 6160 Rm/RC.8/JH.26.8.38. re B.I. insulated Neoprene 7 m/m H.T. cable. Laboratory tests have proved this cable to be better than the standard B.I. and equally as good as Johnson & Phillips…

img122 Instruction regarding distributor wiring for the Wraith III and Bentley 11 models.
View original record BY/NS. c. Rm. -GTT-. 611 O DA.4/G.31.8.38. WRAITH 111 and BENTLEY 11. DISTRIBUTOR WIRING. Referring to attached Rm/RC.30/JH.18.8.38. will you please instruct the tube and wiring accordingly. RC DA.

img123 Suggested threaded design for Phantom III H.T. wire plug terminals.
View original record BY [REDACTED] -6H7- 6110. c. Rm. DA.5/G.31.8.38. ------------- PHANTOM 111. H.T. WIRES. RC Owing to the complaints of H.T. wires pulling out easily from the plug terminals, a thread is suggested as…

img124 The test results of B.I. H.T. Cable reels, detailing which have passed or failed.
View original record 6110 To G/Mt. c. to RHC/SMD. c. to RC/GJ. Rm/RC.19/JH.6.10.38. re B.I. H.T. CABLE. Reels BI.298-299 have passed the required electrical tests, but as they are oversize they should be held in the…

img125 Request to forward a set of H.T. wires for the B.III No.8 Car being tested in France.
View original record 6oil- To D/BP. from HPS/WSC. or Ha/PS. c. G/Rh. c. Rm/RC. HPS/WSC.4/VS.22.10.38. O/52483. Re Testing in France - B.III No.8 Car. Will you please forward per Air Mail to Mr. I.M. Waller :- 1 set of…

img126 Instruction to fit B.I. Neoprene cable to all new engines for H.T. Wiring until further notice.
View original record 6110 To HPS. Rm/RC.8/JH.1.11.38. re H.T. Wiring. Will you please fit B.I. Neoprene cable to all new engines until further notice. This wire will be supplied by the laboratory. Rm/RC.

img127 Letter from British Insulated Cables Ltd. concerning High Tension Ignition Cable and a proposed works visit.
View original record TELEGRAMS: "CONNECTORS, NOTTINGHAM." TELEPHONE Nº 43166 & 45671/2 WORKS: PRESCOT AND HELSBY. HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "INSULATOR, PRESCOT" TELEPHONE Nº 6571 PRESCOT TEN LINES - PRIVATE…

img128 Letter from British Insulated Cables Ltd. proposing travel arrangements and train times for a works visit.
View original record KNIFE SWITCHES. METERS. OVERHEAD EQUIPMENT. RAILWAY, TRAMWAY, LIGHT & POWER. PAPER PINIONS. PILLARS & KIOSKS. RAIL BONDS. VARNISHES. WELDERS. ELECTRIC. WIRE. ALUMINIUM. COPPER. COTTON COVERED.…

img129 Letter to B.I. Cables Ltd. confirming travel arrangements for a visit to their Works at Helsby.
View original record 6110 EXPERIMENTAL DEPARTMENT. Rm/RC.8/JH. 5th. December, 1938. B.I. Cables Ltd., 10, Commerce Square, High Pavement, Notts. Your ref. MHH/FM. Dear Sirs, We thank you for your letter of the 3rd. inst.…

img130 Letter from British Insulated Cables Ltd. confirming car arrangements for a works visit.
View original record HEAD OFFICE: PRESCOT, LANCS. TELEGRAMS: "INSULATOR, PRESCOT" TELEPHONE Nº 6571 PRESCOT. TEN LINES – PRIVATE BRANCH EXCHANGE TELEGRAMS, "CONNECTORS, NOTTINGHAM." TELEPHONE Nº 43166 & 45671/2 REGISTERED…

img131 Letter requesting a descriptive booklet on Insulating Materials and Instrument Wires.
View original record Insulation 6110 Roy/CEA. 7/VR. 14th. December, 1938. The West Insulating Co. Ltd., 123D, Victoria St., S.W.1. Dear Sirs, Will you kindly send us copy of your full descriptive booklet on Insulating…

img132 Cover letter from West Insulating Company, Ltd. enclosing a booklet.
View original record Insulation 6110. DIRECTORS J. RULER WEST. E. HOLZHERR (Swiss). TELEGRAMS: ETILUR, SOWEST. TELEPHONE: VICTORIA 1521. CODE: 5TH EDITION A.B.C. GOODS ENTRANCE: HOWICK PLACE. WEST INSULATING COMPANY, LTD.…

img133 The proposed wiring arrangement for the Bentley V thermostat switch and starting carburetter.
View original record Circulation. c. Rm. 6110 RC BENTLEY V. WIRING AND FITTINGS. In order to clear up the wiring in connection with thermostat switch and starting carburetter, we send herewith D.CD.1132 shewing the…

img134 Instruction to fit all experimental engines with a new, cheaper B.I. Neoprene high tension cable.
View original record 6110 To By/CS. c. to By. c. to HP. Rm/RC.1/JH.11.1.39. We are trying out some new high tension cable called B.I. Neoprene which up-to-date has proved quite as good as that made by Johnson & Phillips…

img135 Arrangement of H.T. ignition wires for a distributor head and coil.
View original record PY/NS c. Rm. c. Des/No.S. 6110 DA.6/G.11.1.39. CHILDS. H.T. IGNITION WIRES. CONVENTIONAL S. Herewith D.CD.1147 showing arrangement of ignition wires to suit RR. type of distributor head and ignition…

img136 The comparative testing of low tension cables.
View original record 6110 To By. c. to Da. c. to By/RD. Rm/RC.8/JH.19.1.39. re Low Tension Cables. In order to obtain a figure of merit on the Repault L.T. cables we have subjected the samples submitted, together with…

img137 Technical specification and breakdown voltage test results for various types of electrical cables.
View original record (1) Attached to Rm/RC.8/JH.19.1.39. Type of cable. Breakdown Complete cable. Voltage rubber only. (1) R.176/1 - 14/36: Black laquer finish over cotton braid and yellow tape. Overall diameter .160…

img138 Test report on different types of electrical cables, detailing their dimensions and breakdown voltage.
View original record (2) Attached to Rm/RC.8/JH.19.1.39. CONT'D. (Type of Cable). Breakdown between the two cores. (10) RL2A76/2F - 2 x 40/36 Finish as (3) Overall dimensions .165 x .230 inches No breakdown at 19,200…

img139 Table of breakdown voltage tests for various types of electrical cables.
View original record (3) ATTACHED TO Rm/RC.8/JH.19.1.39. TYPE OF CABLE. | BREAKDOWN VOLTAGE. Complete cable. | Rubber only. Standard Helsby - 14/36. Overall diameter .150 inches. Diameter over rubber .110 inches. No…

img140 Letter from Muirhead & Co. offering a bitumastic compound to solve a sealing problem.
View original record Insulation 6110 664 MUIRHEAD & CO., LTD. TELEGRAPH AND ELECTRICAL ENGINEERS. TELEPHONE: BECKENHAM 0041, 0042. ELMERS END, BECKENHAM, KENT. TELEGRAMS & CABLES: MUIRHEADS, ELMERS-END 4/LB. 21st January,…

img141 The investigation and testing of high tension cables for standardization.
View original record To By. c. to Da. c. to By/RD. re High Tension Cables. Owing to the comparatively short running life to be obtained from the B.I. grade 6/3 High Tension Cable, an improved type, made by Messrs. Johnson…

img142 Cost comparison of high tension cable from B.I. Neoprene and Johnson & Phillips.
View original record -2- Rm/RC.8/JH.25.1.39. High tension cable for all cars. The cost of the B.I. Neoprene will be about half that of the Johnson & Phillips. Rm/RC.

img143 Letter to Muirhead & Co. Ltd. requesting assistance in finding a suitable compound for filling and sealing ignition coils.
View original record Insulation 6110 EXPERIMENTAL DEPARTMENT. Rm/RC.10/JH. 26th. January, 1939. Muirhead & Co.Ltd., Elmers End, Beckenham, Kent. For the attention of Mr. J.V.Fole. Dear Sirs, With reference to your letter…

img144 Letter from Muirhead & Co., Ltd. regarding samples of wax and bitumen sent for testing.
View original record Insulation 6110- 852 MUIRHEAD & CO., LTD. TELEGRAPH AND ELECTRICAL ENGINEERS. TELEPHONE: BECKENHAM 0041, 0042. ELMERS END, BECKENHAM, KENT. TELEGRAMS & CABLES: MUIRHEADS, ELMERS-END 4/LB. 1st…

img145 Agreeing to standardise the use of B.I. Neoprene (Taped Finish) High Tension cable for all chassis.
View original record 6110 BY/RD BY/CS c. Rm/RC. RC BY.5/N.3.2.39 Re: High Tension Cables. Referring to Rm/RC.8/JH.25.1.39, recommending B.I.Neoprene (Taped Finish) High Tension cable for all cars, in view of the report on…

img146 Letter to Muirhead & Co. Ltd. acknowledging receipt of two wax samples for testing.
View original record Insulation 6110. EXPERIMENTAL DEPARTMENT. Rm/RC.2/JH. 4th. February, 1939. Muirhead & Co.Ltd., Elmers End, Beckenham, Kent. For the attention of Mr. J.V. Fole. Dear Sirs, We thank you for your letter…

img147 Proposal to cure ignition cable failures and misfires on the Wraith model.
View original record RC Is this so PY/NG. c. Rm. c. Da/Me.S. 6110 DA.9/G.22.2.39. WRAITH IGNITION. It is suggested that ignition cable failures and misfires on Wraith can be cured by re-arranging the run of the H.T.…

img148 Suggesting a new approval process for H.T. wire due to oversized diameter issues.
View original record 6110 e/int. c. Rm/RC. Roy/GEA. 6/VR. 23.2.39. 7 m/m H.T. WIRE - EX BRITISH INSULATED CABLES, LTD. --- We have had considerable difficulty in the past, as you know, owing to this Wire being oversize on…

img149 Letter from supplier British Insulated Cables Ltd. concerning order number 84004 and a material sample.
View original record 6110 TELEGRAMS: "INSULATOR, PRESCOT." TELEPHONE Nº 6571 PRESCOT. TEN LINES – PRIVATE BRANCH EXCHANGE WORKS: PRESCOT AND HELSBY. REGISTERED B TRADE MARK LONDON OFFICE: SURREY HOUSE, EMBANKMENT, W.C.2.…

img150 Scheme for H.T. wiring for the HP Head, superseding a previous scheme for the Conventional Head.
View original record DE/MS. c. Rm. CHILDS 6110 DA.2/G.17.4.39. B.80. ENGINE. H.T. WIRING. SWDE Herewith is D.CD.1315 shewing a scheme of H.T. wiring for the H.P. Head, the previous scheme D.CD. 1147 being for the…

img151 Fault with Collett Ezetite terminals for the ignition coil high tension lead and a proposed solution.
View original record 6110 To By. from Rm/RC. c. By/CS. Rm/RC.11/WH.22.5.39. RE COLLETT EZETITE TERMINALS FOR IGNITION COIL HIGH TENSION LEAD. Some trouble has been experienced on experimental cars due to the above type…

img152 Requesting the replacement of an obsolete H.T. cable with a new B.I. Neoprene cable.
View original record 6110 To HPS/WSC. c. to Rm/RC/GJ. Rm/RC.1/JH.8.6.39. re 25.G.VI. The H.T. cable on the above is now obsolete and in a poor condition. Will you please replace with the latest B.I. Neoprene Cable. Rm/RC.

img153 Test results for B.I. Neoprene Cable, indicating which reels passed and which failed inspection.
View original record 6110 To G/Mt. c. to RHC/SMD. c. to Rm/RC/GJ. Rm/RC.8/JH.13.6.39. re B.I. Neoprene Cable. Please note that reels Nos.A.1, A.2, A.4, A.5, A.6, and A.8, have passed the required tests and may be released…

img154 Enquiry to a cable supplier for a salt-resistant H.T. cable suitable for a Marine Engine.
View original record 6110. 28th July 1940. Rm/RC2/En British Insulated Cables Ltd, Prescot, Lancs. Dear Sirs, We are looking for a H.T., cable suitable for a Marine Engine. This cable should have all the qualities of the…

img155 Request to obtain H.T. cable from British Insulated Cables Ltd., Prescot.
View original record Les. from Rm/RC. Rm/RC2/ET.7.8.40 Re H.T. CABLE Will you please obtain from British Insulated Cables Ltd., Prescot 25 ft. Uniplug Cotton No.2 H.T. cable to Air Ministry Specification D.T.D. 2002…

img156 Pass and fail results from testing B.I. Neoprene H.T. Cable reels.
View original record [Handwritten] 6110 To G/Mt. c. to RHC/SMD. Rm/RC.4/JH.24.8.39. re B.I. Neoprene H.T. Cable. Please note that reels Nos.A.9, A.10. A.11. and A.15 have passed the required tests and may be released for…

img157 1,000-hour endurance test on High Tension Neoprene cable.
View original record 6110 To By. c. to Mx. c. to By/RD. c. to Rm/GWH. Rm/RC.4/JH.17.7.39. re High Tension Cable. We have now completed a 1,000 hour endurance test on a piece of the recently standardised B.I. Neoprene…

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