Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | Experimental ignition parts dismantled from chassis 93-NK. | ||
| View original record | V7701 EFC. 23.2.25. EXPERIMENTAL IGNITION PARTS ON 93-NK. The following parts were on 93-NK as experimental items before this chassis was dismantled and have not yet completed 10,000 miles. Bone grey… | ||
| img002 | Requesting the deletion of the flexible earthing connection for the condenser from production instructions following a successful test. | ||
| View original record | To EY. from EFC. c. BY/RD. V7700 EFCl/T22.9.26. RE FLEXIBLE EARTHING CONNECTION OF CONDENSER. X7700 X4014 In accordance with R's request, and as a result of the recent 10,000 mile test on which an… | ||
| img003 | Production test procedure for a paper dielectric condenser for battery ignition. | ||
| View original record | X7700 15.10.26. X.8781cr. X.8781cr. PRODUCTION TEST OF PAPER DIELECTRIC CONDENSER FOR BATTERY IGNITION. X.7700. X.8781. (1) It is assumed that each condenser, after production and before encasing,… | ||
| img004 | Testing procedures and specifications for condensers, detailing capacity and static charge retention checks at various temperatures. | ||
| View original record | -2- Contd. (7) The capability of holding a static charge should again be verified. (8) The condenser should again be tested for final capacity, when the milli-amperes taken at 200 volts 50.7~ for a… | ||
| img005 | Proposal to test paraffin wax-impregnated paper for use in ignition coils and condensers. | ||
| View original record | EFC. X7701 BY10/G.11.1.28. IGNITION COIL AND CONDENSER. -------------------------- X. 7701 X 18710 We have obtained samples of an English made paper impregnated with paraffin wax, and I would like to… | ||
| img006 | Proposal to test three coils and three condensers wound with wax paper as insulation. | ||
| View original record | X7701 C. EPC. Mr Brock. BY/RD5/AL.25.1.28. IGNITION COILS AND CONDENSERS. X.7701 X.8710 It is proposed to try out 3 Coils and 3 Condensers wound with wax paper as an insulation, otherwise exactly as… | ||
| img007 | To EFC regarding the dispatch of two P.W.P. condensers and the modification of coils to meet capacity limits. | ||
| View original record | X.7701. 24.2.28. To EFC. X 7701 X 8710 Herewith two P.W.P. condensers as per memo Ey/RD5/ML.25.1.28 of which you have a copy. We have had to reduce the number of turns to 23 in order to get capacity… | ||
| img008 | Testing of new insulating papers from a British source for use in ignition coils and condensers. | ||
| View original record | To Roy. from EFC. c. Ry. X.7701 EFC3/T9.5.28. X 7701 INSULATING PAPERS FOR IGNITION COILS & CONDENSERS. Sample papers have been submitted to us by ROY., obtained from a British source, viz.Messrs.… | ||
| img009 | Temperature leakage tests conducted on various insulating papers. | ||
| View original record | EFC. PD24. May 8th 1928. TEMPERATURE LEAKAGE TESTS ON INSULATING PAPERS. Tests have been made on some specimens of insulating papers; making a comparison between them with respect to leakage at… | ||
| img010 | Properties of a new material and recommending tests before its adoption for coils and condensers. | ||
| View original record | -2- Contd. It has the appearance of being drier, more crisp, and more likely to crack with handling than the standard material which seems more flexible. It is the opinion of production (Mr. Brock),… | ||
| img011 | Comparative tests of varnished and waxed papers for ignition coils and condensers. | ||
| View original record | To Roy. From EFC. C.W. X.7701 EFC3/T7.6.28. X 7701 X1109. Further to our EPC3/T9.5.28 under cover of which we reported (PB24) results of some comparative tests of standard coil and condenser paper and… | ||
| img012 | Tests on various insulating papers to compare their performance under heat and electrical stress. | ||
| View original record | X.7701 EFC. PB.26. May 31st. 1928. TESTS ON INSULATING PAPERS. A number of tests have been carried out on insulating papers, using samples of the standard (American) varnished paper, and varnished and… | ||
| img013 | Test results on the conductance and dielectric strength of various papers after heating cycles. | ||
| View original record | -2- Contd. (2) The above tests were repeated, but this time readings were also taken as the temperature fell. An abridged table of results is given below, shewing the initial conductance for each… | ||
| img014 | Comparison of varnished and waxed papers for use in condensers and ignition coils, considering dielectric strength and temperature effects. | ||
| View original record | -3- Contd. In each case the result is the average of two tests. From these, heating appears to have practically no bad effect on the dielectric strength. The varnished paper obtained from Symons is… | ||
| img015 | Instructing the construction of ignition coils and condensers, with a later handwritten amendment cancelling the condensers. | ||
| View original record | X. 7701 To EFC. BY/RD4/MLS.8.8.28. IGNITION COILS AND CONDENSERS. Referring to EFC3/T.7.6.28 (Tests of Papers) and EFC3/T.11.7.28 we have instructed RHC to build 3 Coils and condensers with Symons… | ||
| img016 | The testing and modification of paraffin waxed paper condensers for specific chassis. | ||
| View original record | X. 7701 EFC is absent RHC/HPS. from EFC/HEW. c. Hs/AJL. EFC/HEW1/AM.8.6.29. X 7701 (crossed out) X.8710 (crossed out) X.8700 (crossed out) PARAFFIN WAXED PAPER CONDENSERS. X8710 As a result of testing… | ||
| img017 | Request for the production of two more paraffin waxed paper condensers for experimental chassis and bench testing. | ||
| View original record | X.7701 EFC absent By/RD. from EFC/HEW. EFC/HEW2/ADL8.6.29. 7701 X.8710 X.9700 PARAFFIN WAXED PAPER CONDENSERS. X8710 At the same time as we are testing paraffin waxed paper coils, we also want to test… | ||
| img018 | The performance of paraffin waxed paper condensers for battery ignition systems. | ||
| View original record | E.7.C. X7701 Date 12-5-30. Ref No. WE21. X NOS. 5700, 7700 Paraffin waxed paper condensers for RR Battery ignition. Two of these condensers have now completed a considerable mileage on experimental… | ||
| img019 | Request to carry out condenser tests on a 20/25 HP chassis to observe effects on low-speed battery ignition. | ||
| View original record | X7700 Hs/AJL. from EFC. EFC3/AD23.5.30. X.7700. CONDENSER TESTS. We wish to carry out special tests on a 20/25 HP. chassis to observe the effect of condenser capacity variation on the low speed… | ||
| img020 | Request for experimental tests on three condensers with modified capacities to improve contact point life. | ||
| View original record | X7700. RHC, from EFC. c. Sft/Mr Brock. EFC3/ADL.8.9.30. X.7700. EXPERIMENTAL CONDENSERS. Will you please have made for experimental tests in connection with contact point life improvement, three… | ||
| img021 | The measured capacities of seven B.I. condensers borrowed from production. | ||
| View original record | X7700 9.30. CAPACITIES OF SEVEN B.I. CONDENSERS BORROWED FROM PRODUCTION. .44 mf. = 46% increase over std. .38 " = 27% " " " .35 " = 17% " " " .39 " = 30% " " " .38 " = 27% " " " .42 " = 40% " " " .42… | ||
| img022 | Issues with production battery ignition condensers exceeding their capacity limits and proposing a new type of paraffin waxed paper condenser. | ||
| View original record | X7700 Ev. from EFC. EFCL/AD24.9.30. X.7700. X.7701. BATTERY IGNITION CONDENSERS. Recently we have tested the capacities of seven production condensers and found everyone of these to be over the top… | ||
| img023 | Requesting a second set of experimental condensers and detailing findings on ignition performance. | ||
| View original record | X7700 RHC. from EFC. c. Sft/Mr.Brock. EFC2/AD24.9.30. X.7700. EXPERIMENTAL CONDENSERS. Will you please put in hand a second set of three condensers of .21 .23 and .25 microfarads respectively, similar… | ||
| img024 | Letter to Mr. Minchin regarding ignition misfiring, 20 HP ignition duplication, and condenser capacity for tungsten points. | ||
| View original record | X7700 EFC3/AD. 24th September, 1930. X5680 X7700 X6037. X2894. Mr. G.R.N.Minchin, Messrs. Peto & Radford, 50, Grosvenor Gardens, London, S.W.1. Dear Mr.Minchin, With regard to that portion of your… | ||
| img025 | Letter regarding the testing of lower capacity condensers to address misfiring. | ||
| View original record | Mr. G.R.N. Minchin, Messrs. Peto & Radford, London, S.W.1. 24th September, 1930. -2- We are having made a range of lower capacity condensers for test and I propose to bring you a low capacity… | ||
| img026 | Request to obtain 2 rolls of 2-ply waxed paper for experimental condensers. | ||
| View original record | X7701 Roy. from EFC. EFC2/AD26.9.30. Will you please obtain the following :- 2 rolls of 2 ply waxed paper 2.325" + 75 wide x .0015" thick. for experimental condensers. EFC. | ||
| img027 | Clarifying condenser specifications, instructing the Works to reduce the number of turns from 28 to 25 and prioritize the capacity limit. | ||
| View original record | X7700. EFC. or BY/RD. BY/G.29.9.30 RECEIVED SEP 30 1930 CONDENSERS. Referring to EFC1/AD.24.9.30, the position is rather ambiguous. I find that we have definitely specified a certain number of turns… | ||
| img028 | Fitting of a special waxed paper ignition condenser to chassis 18-GIV for standardization testing. | ||
| View original record | X7701 RHC. from EFC. c. Hs/AJL. EFC2/AMO.10.30. X.7701. SPECIAL IGNITION CONDENSER FOR CHASSIS 18-GIV. X.6037. We hand you herewith a special waxed paper condenser No. FF75X of reduced capacity (.23… | ||
| img029 | Performance of tungsten contact points in battery ignition systems and the required condenser capacity. | ||
| View original record | X6112 To R. from EFC. c. Sg. c. Wor. E. c. Da. Ry. EFC3/ADL 4.10.30. X.2894. PERFORMANCE OF TUNGSTEN CONTACT POINTS X.6037. Arising out of one or two minor complaints which have been received on the… | ||
| img030 | Investigation into condenser capacity, materials, and their effects on ignition distributor contact points. | ||
| View original record | -2- of the benefit derived from the scrubbing action of the points, but that together with that scrubbing action this reduced capacity contributes considerably to good performance. In the first… | ||
| img031 | Distributor bench tests investigating condenser capacity and its effect on screw point oxidation. | ||
| View original record | EFC3/ADL4.10.30 contd. -3- condenser to a distributor unit in which the screw point was badly oxidised during previous standard tests. In the words of my assistant's report WE.51 :- "The distributor… | ||
| img032 | Condenser capacity testing on different chassis to address point oxidation and misfiring. | ||
| View original record | EFC3/ADL4.10.30 contd. -4- two chassis besides 24-EX, one a 20/25 HP. chassis, the points on which were unoxidized, the condenser capacity being .27 mf. i.e. slightly lower than the present lowest… | ||
| img033 | Letter to Mr. Minchin discussing 20 HP ignition, misfiring on the 20/25 model, and condenser capacity for tungsten points. | ||
| View original record | X6112 EFC3/AD. 24th September, 1930. Mr. G.R.N. Minchin, Messrs. Peto & Radford, 50, Grosvenor Gardens, London, S.W.1. X.5680 X.6037 X.7700 X.2894 Dear Mr.Minchin, With regard to that portion of your… | ||
| img034 | Letter to Messrs. Peto & Radford regarding the testing of lower capacity condensers to cure misfiring. | ||
| View original record | Mr. G.R.N. Minchin, Messrs. Peto & Radford, London, S.W.1. 24th September, 1930. -2- We are having made a range of lower capacity condensers for test and I propose to bring you a low capacity… | ||
| img035 | Request to supply two paraffin wax condensers of reduced capacity with specific materials. | ||
| View original record | X6113. RHC. from EFC. c. Sft/Mr Brock. EFC3/AD30.10.30. X.6038. PARAFFIN WAX CONDENSERS OF REDUCED CAPACITY. Will you please supply us with two condensers made up with paraffin waxed paper instead of… | ||
| img036 | 10,000-mile test of paraffin waxed paper condensers, analysing capacity changes and contact point wear. | ||
| View original record | WE.76 1/2 X6113. 26.1.31. X.6037. X.6113. PARAFFIN WAXED PAPER CONDENSERS OF REDUCED CAPACITY. One of these condensers has now completed a 10,000 mile test on 20/25 chassis 18-GIV and we have received… | ||
| img037 | Request to fit a lower capacity paraffin wax paper ignition condenser and new tungsten contacts to chassis 20-EX. | ||
| View original record | RHC. from EFC. c. Hs/AJL. X6413. EFC5/AD27.1.31. X.6037. PARAFFIN WAX PAPER IGNITION CONDENSERS OF LOWER CAPACITY THAN STANDARD. Will you please have condenser No. FF.45X handed you herewith fitted to… | ||
| img038 | Condensers for the 40-50 HP and 20 HP chassis, and a request for two modified condensers for a test car. | ||
| View original record | HEW Y6113 c - Hs. BY/RD2/W.22-6-31. RE :- CONDENSERS. 40-50 H.P. and 20 H.P. Chassis. We send you herewith L.O.P. D.52454, together with details :- D.52453.- Condenser Case, Bottom. D.52454.-… | ||
| img039 | Standardisation of a paraffin waxed paper condenser, changing from .30 mf to .23 mf capacity with a reinforced case bottom. | ||
| View original record | RR 785 (IOH) (S459, 24-10-30) 6/3155. x6113 COMPLETED 28. 1. 32. STANDARDISATION of CHASSIS PARTS. Date 15.10.31 X No. 6037 Drawing No. 52453/4. Part List Description of Parts. PARAFFIN WAXED PAPER… | ||
| img040 | Standardisation form for a reinforced case bottom part to improve surface condition. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS S.O.4205 X Description of Part: REINFORCED CASE BOTTOM. Reason for Change: TO IMPROVE THE SURFACE CONDITION OF THE JUNCTION OF THE BOSSES WITH THE MAIN CASTING. TO… | ||
| img041 | Extract from a report on distributor contact points and condenser performance on an 18-GIV model after a 10,000-mile test. | ||
| View original record | X6112 Extract from report on 18-GIV at 10,000 miles dated 30.1.31. X.5690. DISTRIBUTOR TO LOP. D.51618. X.8692. X.6037. The contact points at the finish of the mileage were not considered to be in a… | ||
| img042 | The advantages and performance of lower capacity paraffin waxed paper condensers for ignition systems. | ||
| View original record | X6113 To R. from EFC. c. Sg. c. Ey. E. c. WOR. EFC3/ADL9.2.31. X.6037. X6113 X.7701 X.6057 PARAFFIN WAXED PAPER CONDENSERS OF REDUCED CAPACITY. The advantage of lower capacity of ignition condenser as… | ||
| img043 | Battery ignition condenser's capacity and material composition. | ||
| View original record | X6112 Hs/GWH. from EFC. EFC4/AD24. 2.31. X.6037. BATTERY IGNITION CONDENSER In your report on 18-GIV after 10,000 miles test dated 30.1.31 you stated that the condenser used on 18-GIV had a capacity… | ||
| img044 | The results of a 10,000-mile test of a smaller capacity condenser for ignition distributors. | ||
| View original record | X6112 HS. BY/RD1/W.29-4-31. RE :- IGNITION DISTRIBUTORS. For some time now we have gathered information from various sources that a smaller capacity condenser would have a beneficial effect upon the… | ||
| img045 | Returned Condenser from a 20/25 HP chassis, which was tested and found not to be faulty. | ||
| View original record | Y6112 Hd. C - Hs. C - BP. C - S/y Mr. Brock. RECEIVED BY/RD1/W.14-5-31. Re :- 20/25 H.P. Chassis No.GLR-8. - Miss Yule - We return to you herewith the Condenser D.71505 removed from the above chassis,… | ||
| img046 | Explaining the failure to record mileage during a condenser change on chassis GLR-8. | ||
| View original record | X6112 S/W Hs/H.W. Re: Miss Yule. Chassis GLR-8. --------------------------------- CD24/RK/1.5.31 X8783 X6112 With reference to your telephone message yesterday, unfortunately Henning Jnr. did not… | ||
| img047 | Listing two suppliers for condenser tinfoil. | ||
| View original record | Roy/Ms. from Hs/Wst. X6112 Hs/Wst.3/AM9.2.32. CONDENSER TINFOIL Whilst at Messrs. Lucas yesterday we obtained the addresses of two firms from whom they obtain tinfoil for use in their condensers… | ||
| img048 | Requesting the production of three condensers for 'Japan III', listing the necessary parts and noting the need to order waxed paper. | ||
| View original record | WST V6052 c - Hs/HEW. BY/RD4/W.3-3-32. Re : - "Japan III". Condenser. Sec.8130. Will you please put in hand three condensers in accordance with our L.O.P. D.53354, and the following details, blue… | ||
| img049 | The construction of a new cylindrical condenser for the J.3. ignition system. | ||
| View original record | R. FROM E. C. to SG. WOR. HS. C. to BY. Mr. BROOK. x6052 E1/M14.3.32. X.6052 J.3. & PEREGRINE. CONDENSER FOR IGNITION TOWER It has been necessary to decide on the construction of the new cylindrical… | ||
| img050 | Assembly and connection of a condenser, with a reference to an attached print. | ||
| View original record | (2) As regards the external connection the original intention was to use a strip metal tab, and I think this is better than the flexible shewn, as the latter is liable to break off where soldered. The… | ||
| img051 | Proposal for an experimental circular R.R. Condenser design. | ||
| View original record | Ry. from EFC. X6052 EFC2/AD31.3.31. X.6112. R.R. CONDENSER. Please find attached sketch of design details of the proposed experimental condenser of circular construction which sketch has been put… | ||
| img052 | Expressing interest in cylindrical condensers for ignition, requesting to see an experimental model. | ||
| View original record | H. FROM E. C. to Mr. WOR. [text struck through] X 6052 [STAMP: RECEIVED APR 24] CONDENSERS FOR IGNITION. E3/M23.4.31. Re. BY3/G9431., we are definitely interested in the cylindrical condensers in view… | ||
| img053 | Request for Halo-wax impregnating material for experiments on Peregrine battery ignition condensers. | ||
| View original record | X6052 To Roy/Ms. from Hs/Wst. Hs/Wst.6/KT.16.8.32. "HALO-WAX" IMPREGNATING MATERIAL. Will you please obtain for us as soon as possible, 2 lbs. of the above material, which we require for an experiment… | ||
| img054 | Request for the production of two further Peregrine ignition condensers for testing purposes. | ||
| View original record | X6052 To . RHC. from Hs/Wst. Hs/Wst.3/KT.18.8.32. Will you please arrange for two further Peregrine ignition condensers to be produced to D.53354, as soon as possible, for our tests. Hs/Wst. | ||
| img055 | Laboratory tests for a new type of circular condenser for a battery ignition system. | ||
| View original record | X6052 To R. from Hs/Wst. c. to Sg. Wor. c. to Hy. Hdy. c. to Da. E. Hs/Wst.3/KT. 23.8.32. NEW TYPE OF CIRCULAR CONDENSER FOR R.R. BATTERY IGNITION. We have now completed laboratory tests on this… | ||
| img056 | Technical memorandum comparing a new condenser's performance against the standard one for battery ignition systems. | ||
| View original record | -2- Hs/Wst.3/KT.23.8.32. the maximum effect is still less than with that obtained with our standard condenser, and we have additionally the extra advantage of the primary voltage being considerably… | ||
| img057 | Graph plotting insulation resistance and capacity against temperature for a condenser. | ||
| View original record | Y-Axis Left: INSULATION RESISTANCE MEGOHMS, with values 0, 15, 30, 45, 60. Y-Axis Right: CAPACITY IN MICROFARADS, with values 10, 20, 30, 40, 50. X-Axis: TEMPERATURE, with values 0, 20, 40.… | ||
| img058 | Graph comparing the variation of condenser capacity and insulation resistance with temperature for standard and new circular condensers. | ||
| View original record | CAPACITY-TEMP SHEWN THUS INSULATION RESISTANCE-TEMP SHEWN THUS CURVES SHOWING VARIATION OF CONDENSER CAPACITY AND INSULATION RESISTANCE WITH TEMPERATURE PRESENT STANDARD CONDENSER NEW TYPE CIRCULAR… | ||
| img059 | New type of circular condenser for the R.R. battery ignition system. | ||
| View original record | Hs/Wst. from R. c. Sg. Wor. c. Ev. E. X6052 R.1/M/31.8.32. NEW TYPE OF CIRCULAR CONDENSER FOR R.R. BATTERY IGNITION Regarding your Hs/Wst.3/KT23.8.32, I am very pleased that you are so hopeful of the… | ||
| img060 | Request to instruct Mr. Brock to produce three Peregrine condensers impregnated with Halowax. | ||
| View original record | RHC. from Hs/Wst. X6052 Hs/Wst.1/AD31.8.32. PEREGRINE CONDENSER Will you please arrange to instruct Mr.Brock to make up for us three further Peregrine condensers complete to LOP. D.53354. These are to… | ||
| img061 | New connection and cable eye parts for the Peregrine II and Japan III ignition condenser. | ||
| View original record | Hs./Wst. X6052 BY/RD2/W.16-11-32. EHC. "Peregrine II" and "Japan III". Ignition Condenser, Sec.8130. Alteration 739/Dss. After seeing the various samples of connections made up by the Experimental… | ||
| img062 | Letter from Joseph Lucas Limited to H.E. West regarding the construction of a new condenser and a forthcoming quotation. | ||
| View original record | X6052 REGISTERED OFFICES & GENERAL DEPTS GREAT KING STREET, BIRMINGHAM LONDON OFFICE & SHOWROOMS, 319, REGENT STREET, W.1 JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET BIRMINGHAM TELEPHONE:… | ||
| img063 | Letter to Joseph Lucas Limited requesting four different capacity condensers for testing. | ||
| View original record | X6652 Hs/Wst.5/KT. February 7th 1933. Joseph Lucas Limited, Electrical Dept, Well Street, B'ham. For the attention of Mr.E.A.Watson. Dear Sirs, Following our conversation with you regarding battery… | ||
| img064 | Letter to Joseph Lucas Ltd. regarding a potential short circuit issue with a sectioned condenser's insulation. | ||
| View original record | X6052 Hs/Wst.1/MA. February 10th., 1933. Messrs.Joseph Lucas Ltd., Well Street, Birmingham. For the attention of Mr.E.A.Watson. Dear Sirs, Many thanks for your letter of the 2nd.inst., reference… | ||
| img065 | Letter from Joseph Lucas Limited regarding an experimental condenser sample and arrangements to prevent short circuits. | ||
| View original record | X6052 REGISTERED OFFICES & GENERAL DEP'TS GREAT KING STREET. BIRMINGHAM LONDON OFFICE & SHOWROOMS 319, REGENT STREET, W. 1. JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET BIRMINGHAM TELEPHONE:… | ||
| img066 | Letter from Joseph Lucas Limited regarding the dispatch of condensers with modifications. | ||
| View original record | X6052 REGISTERED OFFICES & GENERAL DEP'TS GREAT KING STREET. BIRMINGHAM LONDON OFFICE & SHOWROOMS 319, REGENT STREET, W. 1. TRADE MARK LUCAS 'KING OF THE ROAD' LAMPS LUCAS STARTING & LIGHTING… | ||
| img067 | Letter from L. A. Gamblen regarding the supply of ignition condensers and a related technical paper on ionization. | ||
| View original record | TELEPHONE, BEAUCHIEF 70480 TELEGRAMS, POLYPHASE. L. A. GAMBLEN, 5 SILVERDALE CRESCENT, ECCLESALL, SHEFFIELD. x6052. 1st April, 1933. Messrs. Rolls Royce Ltd., DERBY. Dear Sirs, Following my… | ||
| img068 | Letter to The Telegraph Condenser Co. enclosing a blueprint and requesting a quotation for condensers. | ||
| View original record | x6052 Hs/Wst.1/KT. April 3rd 1933. The Telegraph Condenser Co, Wales Farm Road, Acton. W.3. Dear Sirs, Following the visit to our works of your representative Mr. Gamblen, we are enclosing a… | ||
| img069 | Internal memorandum discussing the reliability and construction of battery ignition condensers to avoid ionization. | ||
| View original record | To Hs/Wst. from E. x6113. E.5/HP.4.4.33. c. Wor. Hs. By. re Battery Ignition Condensers. Referring to our conversation on Thursday last with Mr Gamblen of the Telegraph Condenser Co. with regard to… | ||
| img070 | Letter from L. A. Gamblen requesting full electrical data for sample condensers being made by the Telegraph Condenser Co. Ltd. | ||
| View original record | TELEPHONE, BEAUCHIEF 70480 TELEGRAMS, POLYPHASE, L. A. GAMBLEN, 5 SILVERDALE CRESCENT, ECCLESALL, SHEFFIELD. x60552. April 5th, 1933. Messrs Rolls Royce, Limited, Derby. Dear Sirs, Attention of Mr… | ||
| img071 | Letter from The Telegraph Condenser Company requesting specifications for ignition condensers. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. x605'2 The Telegraph Condenser Company Limited. TELEPHONE: ACORN 0061 (5 Lines). TELEGRAMS: 'TELEFARAD, ACT, LONDON'. CODE: BENTLEY'S. DIRECTORS:… | ||
| img072 | Letter from The Telegraph Condenser Co. Ltd. outlining their expertise and reasons for Rolls Royce to use their condensers. | ||
| View original record | THE TELEGRAPH CONDENSER CO.. LTD. CONTINUATION NO. DATE 5th April 1933 Messrs Rolls Royce Ltd. Derby We ask these questions since, if we are successful in developing this business with you we wish to… | ||
| img073 | Letter from The Telegraph Condenser Co. Ltd. discussing their specialisation in condensers suitable for tropical and ignition conditions. | ||
| View original record | THE TELEGRAPH CONDENSER Co., LTD. CONTINUATION No. DATE 5th April 1933 Messrs Rolls Royce Ltd. Derby (e) We have specialised for many years on condensers suitable for tropical conditions, which are… | ||
| img074 | Cover letter to Mr. L.A. Gamblen enclosing a copy of correspondence sent to The Telegraph Condenser Co. | ||
| View original record | x605'2. Hs/Wst.11/KT. April 6th 1933. Mr. L. A. Gamblen, 5, Silverdale Crescent, Ecclesall, Sheffield. Dear Sir, We attach herewith copy of letter we have sent to The Telegraph Condenser Co, Acton,… | ||
| img075 | Letter to The Telegraph Condenser Co. arranging a works visit to discuss points raised in their previous correspondence. | ||
| View original record | Hs/Wst.10/KT. April 6th 1933. The Telegraph Condenser Co, Wales Farm Road, North Acton, London. W.3. For the attention of Mr.W.J.Cole. Dear Sirs, We thank you for your letter of the 5th inst. ref.… | ||
| img076 | Letter to Mr. L.A. Gamblen returning an I.E.E. paper on the ionization of condensers. | ||
| View original record | x605'2. Hs/Wst.11/KT. April 7th 1933. Mr. L.A.Gamblen, 5 Silverdale Crescent, Ecclesall, Sheffield. Dear Mr.Gamblen, I am returning herewith the I.E.E. paper on Ionization of condensers, which you so… | ||
| img077 | From The Telegraph Condenser Company, Limited confirming a meeting with Mr West. | ||
| View original record | x6082 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY TELEPHONE: ACORN 0061 (FIVE LINES) TELEGRAMS: 'TELEFARAD, ACT, LONDON' CODE: BENTLEY'S Memorandum The Telegraph Condenser Company, Limited.… | ||
| img078 | Letter to The Telegraph Condenser Co. Ltd. postponing a visit and rescheduling a meeting. | ||
| View original record | x6052. Hs/Wst.2/MA. April 10th., 1933. The Telegraph Condenser Co. Ltd., Wales Farm Road, North Acton, London, W.3. Dear Sirs, With reference to ours of the 6th.inst., ref. Hs/Wst.10/KT., and yours of… | ||
| img079 | Letter from The Telegraph Condenser Company Limited confirming a meeting arrangement. | ||
| View original record | x6052 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. The Telegraph Condenser Company Limited. TELEPHONE: ACORN 9061 (5 LINES). TELEGRAMS: "TELEFARAD, ACT, LONDON" CODE: BENTLEYS. DIRECTORS: SIDNEY… | ||
| img080 | Letter to The Telegraph Condenser Co. Ltd. confirming a visit and discussing specifications for ignition condensers. | ||
| View original record | x6052. Hs/Wst.4/MA. April 13th., 1933. The Telegraph Condenser Co.Ltd., Wales Farm Road, North Acton, London, W.3. Dear Sirs, RR. Ignition Condensers. We confirm the visit of the undersigned to your… | ||
| img081 | Test results for waxed paper samples and suggesting further experiments with plain paper for condensers. | ||
| View original record | 26113 Sft/Mr.Brock. From Hs/Wst. c. to By/RD. Roy/MS. Hs/Wst.19/MA.13.4.33. With reference to the samples of waxed paper submitted for test we find them to give very satisfactory test results and we… | ||
| img082 | Letter to The Telegraph Condenser Co. Ltd. chasing progress on sample R.R. ignition condensers for experimental testing. | ||
| View original record | γ x6052. Hs/Wst.1/MJ. 5th. May 1933. The Telegraph Condenser Co. Ltd., Wales Farm Road, Acton, LONDON. Dear Sirs, As we have not heard further from you since the visit of the undersigned to your… | ||
| img083 | Letter from The Telegraph Condenser Company Limited regarding the despatch of Ignition Condenser samples. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. x6012 The Telegraph Condenser Company Limited. TELEPHONE: ACORN 0061 (5 Lines). TELEGRAMS: 'TELEFARAD, ACT, LONDON' CODE: BENTLEYS DIRECTORS: SIDNEY… | ||
| img084 | Issue with hygroscopic tape in condensers for 20/25, Bensport, and 40/50 chassis. | ||
| View original record | x 6052 By/RD. From Hs/Wst. c. to E. c. to Sft/Mr.Brock. Hs/Wst.5/MA.10.5.33. 20/25, BENSPORT AND 40/50 CHASSIS CONDENSERS. We have found that the superfine tape with which the battery ignition… | ||
| img085 | Revised production specification for the condenser for 20/25 and 40/50 battery ignition systems. | ||
| View original record | x6113 BY. From Hs/Wst. c. to By/RD. c. to Sft/Mr.Brock. Ha/Wst.3/MA.11.5.33. x608 x608 CONDENSER FOR 20/25, AND 40/50 BATTERY IGNITION. We send you herewith revised production specification for the… | ||
| img086 | Production test procedure for a paper dielectric condenser used in battery ignition systems. | ||
| View original record | PRODUCTION TEST OF PAPER DIELECTRIC CONDENSER FOR BATTERY IGNITION. (Paraffin waxed paper dielectric). (1) It is assumed that each condenser, after production and before encasing, will be stored for a… | ||
| img087 | Specification outlining the testing procedure for a condenser. | ||
| View original record | -2- (5) If satisfactory as regards (2), (3) and (4), the condenser shall now be fitted up in its case. (6) The condenser, now in its case, shall be again tested by applying to its terminals a voltage… | ||
| img088 | Letter from The Telegraph Condenser Company regarding the dispatch of three condenser samples for testing. | ||
| View original record | x605'2 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. The Telegraph Condenser Company Limited. TELEPHONE: ACORN 0061 (5 Lines). TELEGRAMS: "TELEFARAD, ACT, LONDON" CODE: BENTLEYS DIRECTORS: SIDNEY… | ||
| img089 | Request to test a sample of special impregnated wax from the Telegraph Condenser Co. Ltd. for comparative tests on condensers and coils. | ||
| View original record | x6113 By/RD. From Hs/Wst. Hs/Wst.3/MA.15.5.33. We have received from the Telegraph Condenser Co.Ltd., a sample of a special impregnated wax having higher dielectric properties and higher melting point… | ||
| img090 | Tests of 20/25 & 40/50 battery ignition condensers, comparing paraffin waxed paper with plain paper impregnated with wax after winding. | ||
| View original record | 86113 By/RD. From Hs/Wst. c. to E. Hs/Wst.4/MA.15.5.33. 20/25 & 40/50 BATTERY IGNITION CONDENSERS. We have been carrying out a number of tests in the laboratory during the last few days on the latest… | ||
| img091 | Manufacturing process for condensers, specifically the use of wax for impregnation and the benefits of wax paper over plain paper. | ||
| View original record | Hs/Wst. BY/RD.15/J.17.5.33. x6113 Condensers. The type of condenser we manufacture is not suitable for impregnating with wax, after manufacture owing to the wax insulating the tinfoil strips which are… | ||
| img092 | Letter from The Telegraph Condenser Company Limited discussing graphs for ignition condensers and requesting test method details. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. The Telegraph Condenser Company Limited. E60512 TELEPHONE: ACORN 0061 (5 Lines). TELEGRAMS: 'TELEFARAD, ACT, LONDON.' CODE: BENTLEYS. DIRECTORS:… | ||
| img093 | Graph plotting the capacity against temperature for various tin foil ignition condensers. | ||
| View original record | IGNITION CONDENSERS TIN FOIL. WOUND ON 4" PAXOLIN TUBE. .30 CAPACITY .25 .20 DEGREES FAHRENHEIT. THE TELEGRAPH CONDENSER CO. LTD. ACTON. LONDON. 50~ 400~ 800~ 1200~ 1600~ 2000~ 18 5 33 | ||
| img094 | Graph showing the capacity of ignition condensers versus temperature at different frequencies. | ||
| View original record | IGNITION CONDENSERS ALUMINIUM FOIL WOUND ON 3/16" SPINDLE (THEN WITHDRAWN) .25 CAPACITY .20 .15 100 150 200 DEGREES FAHRENHEIT 50~ 400~ 800~ 1600~ 2000~ THE TELEGRAPH CONDENSER Co. LTD. ACTON. LONDON.… | ||
| img095 | Rejection of condenser paper due to pigmentation and its effect on ignition coil performance. | ||
| View original record | x6113. By/RD. From Hs/Wst. c. to E. c. to By. Hs/Wst.6/MA.18.5.33. Re. By/RD.15/J.17.5.33. The only difference apparently between the present production condensers and those we tested for the purposes… | ||
| img096 | Supply, testing, and production use of condenser paper from various suppliers. | ||
| View original record | Hs/Wst. C E BY/RD.12/J.19.5.33. Condenser Paper. WST x6113 With reference to Hs/Wst.6/MA.18.5.33, the condenser paper used on production is manufactured by Messrs. Brittons, No.321521 and is waxed and… | ||
| img097 | Comparison of leakage and insulation resistance tests between TCC Wax and RR Wax. | ||
| View original record | R 236 (150 BKS.) (DB 481-8-12-24) MP 306975 Copy for file ROLLS-ROYCE LTD. INSTRUCTIONS. To. W.S.T Order No. Customer's No. 86113 25/5/1933 Comparisons between TCC Wax & the RR Wax Leakage tests on… | ||
| img098 | Letter to The Telegraph Condenser Co. Ltd. regarding the testing of a special impregnating wax sample. | ||
| View original record | 86113 Hs/Wat.3/MA. May 27th., 1933. The Telegraph Condenser Co.Ltd., Wales Farm Road, North Acton, London, W.3. Dear Sirs, We have received the special sample of impregnating wax you sent us sometime… | ||
| img099 | Letter from The Telegraph Condenser Company regarding coil impregnating wax and ignition condensers. | ||
| View original record | 86052 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. The Telegraph Condenser Company Limited. TELEPHONE: ACORN 0061 (5 Lines). TELEGRAMS: 'TELEFARAD, ACT, LONDON'. CODE: BENTLEYS. DIRECTORS:… | ||
| img100 | Comparative test report on two different types of ignition coil impregnating wax. | ||
| View original record | 86113. E. From Hs/Wst. c. to By. c. to Sft/Mr.Brock. Hs/Wst.8/MA.31.5.33. Ignition Coil Impregnating Wax. We have recently received from the Telegraph Condenser Co.Ltd., a sample of wax which they… | ||
| img101 | Remarkable insulation properties of a new T.C.C. impregnating wax for ignition coils. | ||
| View original record | To Hs/Wst. from E. WST 86113 E.10/HP.3.6.33. c.c. Ex. Sft/Mr Brock. Ignition Coil Impregnating Wax. Referring to your Hs/Wst.8/MA.31.5.33, the results obtained with the T.C.C. wax as regards… | ||
| img102 | The supply of ignition coil impregnating wax for testing. | ||
| View original record | 86113 E. From Hs/Wst. c. to By. c. to Sft/Mr. Brock. Hs/Wst.4/MA.12.6.33. IGNITION COIL IMPREGNATING WAX. Answering your E.10/HP.3.6.33., we are informed by the Telegraph Condenser Co.Ltd., that they… | ||
| img103 | Requesting the composition of ignition coil impregnating wax for examination. | ||
| View original record | 86113. To Hs/Wst. from E. c. By. Sft/Mr Brock. Hl. Ignition Coil Impregnating Wax. Referring to your Hs/Wst.4/MA.12.6.33, we should still like to know the composition of this wax supplied by the… | ||
| img104 | Letter to The Telegraph Condenser Co.Ltd. regarding satisfactory tests on ignition condensers and a future bulk order. | ||
| View original record | 6052 Hs/Wst.3/MA. June 24th., 1933. The Telegraph Condenser Co.Ltd., Wales Farm Road, North Acton, London, W.3. For the attention of Mr.H.W.Cole. Dear Sir, With further reference to yours of the 30th.… | ||
| img105 | Letter from The Telegraph Condenser Co. Ltd. regarding the satisfactory testing of their condensers. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. x6052 The Telegraph Condenser Company Limited. TELEPHONE: ACORN 0061 (5 Lines). TELEGRAMS: 'TELEFARAD, ACT, LONDON'. CODE: BENTLEY'S. DIRECTORS:… | ||
| img106 | Instructions for comparing a coil insulated with plain paper to the same coil filled with brown wax. | ||
| View original record | RR 236 (150 BKS.) (D9 461-8-12-24) MP 306975 x6113. (1) ROLLS-ROYCE LTD. INSTRUCTIONS. To: WST. Date: 13/7/33 Order No. Customer's No. Comparison between coil with plain paper & the same coil filled… | ||
| img107 | Test report detailing ignition coil secondary voltages under various conditions. | ||
| View original record | IGNITION COIL SECONDARY VOLTAGES. Coil under test :- coil filled with brown wax. Date :- 17/7/33 (1) Normal temperature maximum open-circuit voltage. DAMPING FACTOR | Primary Volts. | Battery Normal.… | ||
| img108 | Test report on ignition coil secondary voltages under different temperature and battery conditions. | ||
| View original record | IGNITION COIL SECONDARY VOLTAGES. Coil under test :- RR coil with brown wax & plain paper Date :- 11/7/33 (1) Normal temperature maximum open-circuit voltage. DAMPING FACTOR | Primary Volts. | Battery… | ||
| img109 | Test results for a Lucas condenser, measuring capacity and resistance at various temperatures during heating and cooling cycles. | ||
| View original record | RR 236 (150 BKS.) (DB 461-8-12-24) MP 306975 x6052. C ROLLS-ROYCE LTD. INSTRUCTIONS. To: DST Order No. Customer's No. Test on Lucas condenser TABLE: TEMP °C | CAPACITY MFDS | RESISTANCE MEGOHMS… | ||
| img110 | Tests of six condensers comparing oil silk and tape insulation, noting high leakages. | ||
| View original record | x 6113 By/Rd. From Hs/Wst. Hs/Wst.8/MA.28.7.33. Our tests on the 6 condensers you sent to us show there is very little difference between the use of oil silk and tape on the condensers. We could only… | ||
| img111 | Test results for a Delco-Remy condenser, showing capacity and resistance at various temperatures during heating and cooling cycles. | ||
| View original record | RR 238 (150 BKS.) (DS 451-8-12 24) MP 306975 x6052. ROLLS-ROYCE LTD. INSTRUCTIONS. To: WST Date: 3/6/33 Order No. Customer's No. Test on Delco-Remy condenser | TEMP °C | CAPACITY MFDS | RESISTANCE… | ||
| img112 | Summary of research into the causes of excessive leakage in battery ignition condensers. | ||
| View original record | 46032 E. From Hs/Wst. c. to Wbr. c. to By. c. to Da. c. to PH. R.R. BATTERY IGNITION CONDENSERS. We have been carrying out a detailed research on our standard condensers with a view to ascertaining… | ||
| img113 | Recommendation to adopt a new circular T.C.C. condenser for 20/25 and 40/50 HP chassis. | ||
| View original record | -2- Hs/Wst.7/MA.1.8.33. Cont'd. It would be a big improvement if we could adopt the circular T.C.C. condenser as soon as possible on both 20/25 and 40/50 HP. chassis. Our standard condenser away from… | ||
| img114 | Recommending to cease manufacturing in-house ignition condensers and adopt the circular T.C.C. type. | ||
| View original record | 86052 C/W To. E from PN. Copies to Messrs. Dr Byng, Su. Hs/Wst. PN.3/IH.48.33. R.R. BATTERY IGNITION CONDENSERS. Referring to Hs/Wst.7/M.3.8.33. I hope it may be likely, in view of this report, that… | ||
| img115 | Improvement of standard squashed condensers and testing new circular type condensers. | ||
| View original record | E. From Hs/Wst. c. to By/Rd. Hs/Wst.5/MA.6.9.33. R.R. BATTERY IGNITION CONDENSERS. With reference to our report on the above ref.Hs/Wst.7/MA.3.8.33., as it will probably be some time before we can go… | ||
| img116 | Unsuitability of the standard squashed condenser and the proposal to switch to a double contact/breaker ignition unit. | ||
| View original record | 86052 To Hs/Wst. from E. E.1/HP.12.9.33. c. Hs. By/RD. RR. Battery Ignition Condensers. Replying to your memo Hs/Wst.5/MA.6.9.33 regarding improving our standard squashed condenser, I am referred to… | ||
| img117 | Comparison test between an R.R. condenser and a T.C.C. condenser at 800 R.P.M. | ||
| View original record | 6052 14.9.33. COMPARISON BETWEEN R.R. CONDENSER & T.C.C. CONDENSER USING STANDARD DISTRIBUTOR, COIL AND BALLAST RESISTANCE. Speed 800 R.P.M. SEC. VOLTS. LOAD. TEMPERATURE OF CONDENSER. 13,700 Open… | ||
| img118 | Performance issues with battery ignition condensers and testing of alternatives. | ||
| View original record | 86052. E. From Hs/Wst. c. to By/RD. Hs/Wst.7/MA.15.9.33. R.R. BATTERY IGNITION CONDENSERS. Referring to your E.1/HP12.9.33 we do have trouble with our condensers both in England, according to the… | ||
| img119 | Letter to The Telegraph Condenser Co. Ltd. requesting a further 6 condensers for testing. | ||
| View original record | x605'2 Hs/Wst.8/MA. 15th., September 1933. The Telegraph Condenser Co.Ltd., Wales Farm Road, North Acton, London, W.3. Dear Sirs, We beg to refer you to our letter of June 24th this year… | ||
| img120 | Order for T.C.C. battery ignition condensers. | ||
| View original record | x6052. Roy. From Hs/Wst. c. to By/RD. Hs/Wst.9/MA.15.9.33. T.C.C. BATTERY IGNITION CONDENSERS. The Telegraph Condenser Co., submitted for our test in June last three circular type battery ignition… | ||
| img121 | Internal request to order three 4 microfarad T.C.C. Mansbridge type condensers. | ||
| View original record | 56052 Roy. From Hs/Wst. Hs/Wst.6/MA.6.10.33. Will you please order for us from the T.C.C. three, 4 microfarad Mansbridge type condensers insulated for 200 volts. Order No.54209. Hs/Wst. | ||
| img122 | The testing of new circular condensers for car ignition on the Peregrine Chassis. | ||
| View original record | 86052 E. From Ha/Wst. c. to Wor. c. to By. Ha/Wst.5/MA.5.1.34. Re. Car Ignition - E/Lid.3/HP.3.1.34. Regarding the testing of the new circular condensers made by the Telegraph Condenser Co., we have… | ||
| img123 | Request to gather data on circular condensers from the Telegraph Condenser Co. by fitting them to all experimental cars. | ||
| View original record | To RHC. from Hs/GWH. c. to Hs/Wst. 86052 Hs/GWH10/KW5.1.34. Car Ignitions - E/LID.3/HP.3.1.34. We wish to obtain as much data as possible with the use of circular condensers made by the Telegraph… | ||
| img124 | Letter discussing condensers for battery ignition, including tests, impregnating wax, and production orders. | ||
| View original record | 86052 Ha/Wst.9/MA. 16th January, 1934. The Telegraph Condenser Co.Ltd., Wales Farm Road, North Acton, London, W.3. Condensers for R.R. Battery Ignition. Dear Sirs, You will be interested to learn that… | ||
| img125 | Specifications for a T.C.C. Condenser D.74117. | ||
| View original record | By/RD. From Hs/Wst. 86052 Hs/Wst.3/MA.17.1.34. Re. T.C.C. Condenser D.74117. With regard to your request for information suitable for incorporating in the drawing of the above condenser we suggest… | ||
| img126 | Letter regarding the performance and specifications of condensers, comparing them to German practice. | ||
| View original record | 86952. The Telegraph Condenser Company, Limited. PHONE: ACORN 0061 (5 LINES). GRAMS: "TELEFARAD, ACT, LONDON" CODE: BENTLEY'S. DIRECTORS: LORD EBBISHAM, G.B.E. E.H.F. REEVES. S.G. BROWN, F.R.S. MRS… | ||
| img127 | Internal order request for six condensers from the Telegraph Condenser Co. | ||
| View original record | 86052 Roy. From Hs/Wst. Hs/Wst.7/MA.18.1.34. T.C.C. CONDENSER. Will you please order for us from the Telegraph Condenser Co., 6 condensers to drawing D74117. Order No.54101. Hs/Wst. | ||
| img128 | Proposal to use a new circular ignition condenser from the Telegraph Condenser Co. to save on production costs. | ||
| View original record | 86052. Wor. From Hs/Wst. Hs/Wst.1/MA.20.2.34. IGNITION CONDENSERS. You will perhaps remember some time ago that I saw you along with E, regarding a proposal to have the new circular ignition condenser… | ||
| img129 | Internal request to order three condensers from the Telegraph Condenser Co. Ltd. | ||
| View original record | 36052. Roy. From Hs/Wst. Hs/Wst.4/MA.4.4.34. Will you please order for us from the Telegraph Condenser Co. Ltd., three condensers to our drawing D.74117. Order No. 54101. Hs/Wst. | ||
| img130 | Cover letter for the production test specification for new circular type condensers made by the Telegraph Condenser Co. Ltd. | ||
| View original record | By. From Hs/Wst. c. to Sft/Mr.Brock. 6052 Hs/Wst.4/MA.30.7.34. PRODUCTION TEST SPECIFICATION FOR NEW CIRCULAR TYPE CONDENSERS MADE TO OUR SPECIFICATION BY THE TELEGRAPH CONDENSER CO..LTD. We attach… | ||
| img131 | Production test specification for a battery ignition condenser made by Telegraph Condenser Co. Ltd. | ||
| View original record | 30.7.34. SPECIFICATION NO.ELC.43. PRODUCTION TEST OF CONDENSER FOR R.R. BATTERY IGNITION MADE BY TELEGRAPH CONDENSER CO.LTD. (1) The condenser shall be tested for breakdown by applying to its… | ||
| img132 | Letter from a supplier regarding a delay and a potential slackness issue with ignition condensers for order 66221. | ||
| View original record | The Telegraph Condenser Company, Limited. PHONE: ACORN 0061 (6 LINES) GRAMS: 'TELEFARAD, PHONE, LONDON' CODE: BENTLEY'S. DIRECTORS: LORD EBBISHAM, G.B.E. E. H. R. REEVES S. G. BROWN, F.R.S. MRS. A. S.… | ||
| img133 | Inquiry to Telegraph Condenser Co. Ltd. about the physical qualities and potential deleterious effects of brown wax for ignition coil windings. | ||
| View original record | 86052. Hs/Wst.5/MA. 9th October, 1934. Messrs.Telegraph Condenser Co.Ltd., Wales Farm Road, North Acton, London, W.3. Dear Sirs, Some considerable time ago you very kindly supplied us with a small… | ||
| img134 | Letter from The Telegraph Condenser Company regarding the properties and suitability of a supplied brown wax for use in condensers. | ||
| View original record | The Telegraph Condenser Company Limited. PHONE: ACORN 0061 (5 Lines). GRAMS: "TELEFARAD, ACT. LONDON" CODE: BENTLEYS. DIRECTORS: LORD EBBISHAM, G.B.E. E. H. F. REEVES. S. G. BROWN, F.R.S. Mrs. A. S.… | ||
| img135 | Letter requesting drawings and specifications for electrolytic and paper condensers. | ||
| View original record | Y6082. Hs/Wst.2/MA. 17th April, 1935. The Telegraph Condenser, Co.Ltd., Wales Farm Road, North Acton, London, W.3. Dear Sir, We thank you for your letter of the 16th instant ref. CDG/SK and we should… | ||
| img136 | Letter to a customer regarding an ignition failure on a Bentley and the sourcing of new condensers. | ||
| View original record | V6052. Hs/Wst.2/MA. 24th April, 1935. Mr. Bernard Hopps, C/o Excelsior Hotel Italie, Florence, ITALY. Dear Mr. Hopps, Mr. Hives has shewn me your letter referring to the ignition failure you… | ||
| img137 | Letter to E.K.Cole Ltd. regarding the standardization of a suppression condenser for car radio sets. | ||
| View original record | 86052 Hs/Wat.1/MA. 24th April, 1935. Messrs.E.K.Cole, Ltd., Ekco Works, Southend-on-Sea. For the attention of Mr.R.Cowley. Dear Sir, We thank you for your letter of the 23rd instant. The reason we… | ||
| img138 | Letter responding to a query about the installation of extra filter units and condensers in vehicle body wiring. | ||
| View original record | -2- Regarding paragraph 4 of your letter, any extra filter units which may be required in the body wiring are of course permissible if again the condenser is properly secured and the connecting wire… | ||
| img139 | Two failures of a battery ignition condenser due to a fractured flexible connection. | ||
| View original record | Y60512. By. From Hs/Wst. c. to E. c. to Wor. c. to Hd. Hs/Wst.3/MA.29.4.35. BATTERY IGNITION CONDENSER MADE BY THE TELEGRAPH CONDENSER CO.LTD. TO DRAWING D.53354. We have recently had two failures… | ||
| img140 | Letter to The Telegraph Condenser Co. Ltd. to arrange a meeting regarding a radio condenser question. | ||
| View original record | YL6052. .Hs/Wst.12/MA. 10th May, 1935. The Telegraph Condenser Co.Ltd., Wales Farm Road, North Acton, London, W.3. Dear Sirs, Replying to your letter of the 9th instant ref. SH/EOK/WFT, the… | ||
| img141 | Request to fit an ignition coil impregnated with I.C.I 'Seekay' wax to engine 1.B.IV. | ||
| View original record | RHC. From Hs/Wst. X6052. Hs/Wst.7/MA.28.5.35. Will you please have fitted to 1.B.IV an ignition coil which we have had impregnated with I.C.I "Seekay" wax. Hs/Wst. | ||
| img142 | Letter from Bernard Hopps of Lodge Plugs regarding a faulty condenser on his 3.5 litre Bentley. | ||
| View original record | Telephone, 276 RUGBY (2 lines) Established 1904 Telegrams, "LODGE, RUGBY" Lodge Plugs Limited, Rugby. Messrs. Rolls-Royce Ltd., D E R B Y. Your Ref. Hs/Wst.2/MA. Our Ref. BH/EW. Date 3 June 1935.… | ||
| img143 | Letter to Lodge Plugs Ltd. about a condenser failure due to a short flexible connection. | ||
| View original record | 86052 Hs/Wst.2/MA. 4th June, 1935. Mr. Bernard Hopps, Messrs. Lodge Plugs, Ltd., Rugby. Dear Mr. Hopps, Replying to your letter of the 3rd instant the cause of the trouble with your condenser was the… | ||
| img144 | Letter from Lodge Plugs Ltd regarding a condenser failure on a Bentley and a request for a spare part. | ||
| View original record | Telephone, 276 RUGBY (2 lines) Established 1904 Telegrams, "LODGE, RUGBY" Lodge Plugs Limited, Rugby rb 6052. Mr. H. E. West, Rolls-Royce Ltd., D E R B Y. Your Ref. Our Ref. BH/EW. Date 7 June 1935.… | ||
| img145 | Letter from The Telegraph Condenser Company regarding breakdown voltage curves for ignition and car radio condensers. | ||
| View original record | The Telegraph Condenser Company Limited. 6052 PHONE: ACORN 0061 (6 LINES) GRAMS: 'TELEFARAD, PHONE, LONDON'. CODE: BENTLEY'S. DIRECTORS: LORD EBBISHAM, G.B.E. E. H. F. REEVES S. G. BROWN, F.R.S. W. A.… | ||
| img146 | Graph showing average breakdown voltage versus temperature curves for a T.C.C. car radio condenser. | ||
| View original record | Average Breakdown Voltage/Temperature Curves for T.C.C. Car Radio Condenser 0.25 mfd contained in tubular aluminium case Length 1 13/16" Diameter 3/4". Voltage raised in steps of about 100v. with a… | ||
| img147 | Graph of average breakdown voltage versus temperature curves for ignition condensers. | ||
| View original record | Average Breakdown Voltage/Temperature Curves for Ignition Condensers T.C.C. Drawing No.S.940. Voltage raised in steps of about 100v. with a pause of 10 seconds at each step. VOLTS. D.C. BREAKDOWN… | ||
| img148 | Specification request for a small high-tension laboratory testing condenser for use in aero ignition experiments. | ||
| View original record | A6052. EJJ. From Hs/Wst. Hs/Wst.3/MA.7.9.35. LABORATORY TESTING CONDENSER. Will you please have made for us by one of the condenser manufacturing concerns a small H.T. condenser to the following… | ||
| img149 | Order for a laboratory testing condenser for ignition experiments. | ||
| View original record | Copy from EJJ. Copy to Hs/Wst 56052. o/811 EJJ/WB/17.9.35 LABORATORY TESTING CONDENSER - IGNITION EXPERIMENTS Please send an order to Messrs The Telegraph Condenser Co. Ltd., Wales Farm Road, North… | ||
| img150 | Proposal to use T.C.C. ignition condensers as a replacement, with a request for rigorous testing. | ||
| View original record | Hs/Wst. 86082. BY/RD3/W.2.1.36. IGNITION CONDENSERS. For replacement purposes of the flat type condenser we are proposing to use condensers made by the T.C.C., which consist of four small circular… | ||
| img151 | Letter from Wego Condenser Co. Ltd. announcing their approved status on the Air Ministry List. | ||
| View original record | WEGO CONDENSER CO. LTD. DIRECTORS: E.W. SCHALTENBRAND (GERMAN) EDWARD T. WOOD BIDEFORD AVENUE PERIVALE MIDDLESEX TELEGRAMS AND CABLES WEGOCONDENSER, LONDON TELEPHONE: PERIVALE 4277 4278 BENTLEY'S… | ||
| img152 | Data sheet for New Small Wego British Aroclor Condensers, Type A.I. Continuous Rated. | ||
| View original record | 86052. NEW WEGO BRITISH SMALL AROCLOR CONDENSERS TYPE A.I. CONTINUOUS RATED. The small size and compact construction of the new Wego Aroclor treated condensers contributes to lower cost by saving… | ||
| img153 | Cover page for a brochure on Wego British Aroclor Condensers. | ||
| View original record | WST WST/CM On the condensers: WEGO BRITISH TYPE 2 AROCLOR CAPACITOR Y.A.C. M.A.C. BASE Y.A.C. No. 2. RATING WEGO BRITISH 4000 V.D.C. Working WEGO BRITISH 20 MFD AROCLOR CAPACITOR 2000V D.C. TEST THE… | ||
| img154 | Front cover of a WEGO capacitor product catalog or brochure. | ||
| View original record | WEGO, 86052. | ||
| img155 | Promotional leaflet for a condenser manufacturer detailing factory expansion and listing international agents. | ||
| View original record | CONDENSERS PROGRESS In 1933 we Doubled our Output. IN 1934 WE HAVE BEEN COMPELLED TO DOUBLE OUR FACTORY AND EQUIPMENT TO MEET THE DEMAND FOR OUR CONDENSERS AUSTRALIA H. Smart & Co., Commerce House,… | ||
| img156 | Price list and specification sheet for Type T.W. and Type T.L. tubular condensers. | ||
| View original record | TUBULAR CONDENSERS. Type T.W. 1,500 V.D.C. Test. 400 V.D.C. Working. Type. Capacity Mfd. Retail Price. Length of Tube. Diam TW 5 .00005 6d. each 1 1/4 5/16 TW 10 .0001 6d. " 1 1/4 5/16 TW 20 .0002 6d.… | ||
| img157 | Specification and price list for Wego British Type BT (Bakelite) and Type ALU capacitors. | ||
| View original record | 500 VOLTS D.C. TEST 250 VOLTS D.C. WORKING TYPE BT. (BAKELITE). Type Capacity Mfd. Dimensions A B C Retail Price BT 10 .1 5/8 2 1/16 2 3/16 1/10 each BT 25 .25 5/8 2 1/16 2 3/16 1/10 ,, BT 50 .5 5/8 2… | ||
| img158 | Specification sheet for WEGO British condensers, detailing types, dimensions, and prices. | ||
| View original record | 750 VOLTS D.C. TEST 350 VOLTS D.C. WORKING TYPE BLU. Type Capacity Dimensions Retail Price Mfd. A B C BLU 10 .1 1 1 1/4 3/4 1/8 each BLU 25 .25 1 1 1/4 3/4 1/9 " BLU 50 .5 1 1 1/4 3/4 2/- " BLU 100 1… | ||
| img159 | Product specification sheet for WEGO British capacitors of types HS, HR, and HP. | ||
| View original record | 1650 VOLTS D.C. TEST 600 VOLTS D.C. WORKING. TYPE HS. Type Capacity Mfd. Dimensions A B C Retail Price HS 10 .1 1 1/8 1 3/16 2 2/6 each HS 25 .25 1 5/8 1 5/16 2 2/9 " HS 50 .5 1 1/8 1 3/16 2 3/- " HS… | ||
| img160 | Product specification and price list for Wego British transmitting condensers. | ||
| View original record | TRANSMITTING CONDENSERS. 4,000 V.D.C. TEST 2,000 V.D.C. WORKING TYPE TH Type Capacity Retail Price TH 100 1 MFD. 20/- 3¼ x 3¼ x 6 TH 200 2 MFD. 35/- 3¼ x 6 x 6 TH 400 4 MFD. 65/- 6 x 6¼ x 6 8,000… | ||
| img161 | Product data sheet for interference eliminators and compensators for various electrical motors and apparatus. | ||
| View original record | INTERFERENCE ELIMINATION. Sparking caused by contacts being broken causes interfering noises to be radiated through the mains. It is the purpose of the Interference Compensator to block this… | ||
| img162 | Letter to Wego Condenser Co. Ltd. requesting a sample of a material known as Aroclor for inspection and testing. | ||
| View original record | x6052. Hs/Wst.7/JH. 22nd May, 1936. Messrs. Wego Condenser Co.Ltd., Perivale, Greenford, Middlesex. Dear Sirs, We are interested to note in a leaflet which we have just received from you, that you are… | ||
| img163 | Letter from Wego Condenser Co. Ltd. responding to a request for a sample of Aroclor, which they are unable to supply. | ||
| View original record | WEGO CONDENSER CO. LTD. WEGO BIDEFORD AVENUE PERIVALE MIDDLESEX DIRECTORS: E. W. SCHALTENBRAND (GERMAN) EDWARD T. WOOD. TELEGRAMS AND CABLES WEGOCONDENSER, LONDON. TELEPHONE: PERIVALE 4277 4278… | ||
| img164 | Letter to Wego Condenser Co. Ltd. requesting the source of supply for an Aroclor sample needed for an ignition coil experiment. | ||
| View original record | 86052. Hs/Wst.5/JH. 27th May, 1936. Messrs. Wego Condenser Co.Ltd., Bideford Avenue, Perivale, Middlesex. Dear Sirs, We beg to thank you for your letter of the 25th instant, and note that you are… | ||
| img165 | Letter from Delco-Remy & Hyatt Ltd. regarding the supply of British-made condensers and ignition components for testing. | ||
| View original record | DELCO-REMY & HYATT LTD. Head Office & Works: 111, GROSVENOR ROAD, LONDON, S.W.1. Telegrams: DELRENHYAT, SOWEST, LONDON. Telephones: VICTORIA 6242 (7 LINES) Handwritten Note Top Right: 6082.… | ||
| img166 | Invoice from Delco-Remy & Hyatt Ltd. for condensers and contact point sets supplied for test purposes. | ||
| View original record | DELCO-REMY & HYATT LTD. 111 GROSVENOR ROAD LONDON, S.W.1 TELEGRAMS: DELREMYHAT SOWEST, LONDON TELEPHONE: VICTORIA 6242 (7 LINES) PLEASE QUOTE BOTH INVOICE No. AND D.O. No. FOR ALL QUERIES INVOICE 2329… | ||
| img167 | Invoice from Delco-Remy & Hyatt Ltd. for condensers and contact point sets supplied for test purposes. | ||
| View original record | DELCO-REMY & HYATT LTD. 111 GROSVENOR ROAD LONDON, S.W.1 TELEGRAMS: DELREMYAT SOWEST, LONDON TELEPHONE: VICTORIA 6242 (7 LINES) PLEASE QUOTE BOTH INVOICE No. AND D.O. No. FOR ALL QUERIES DUPLICATE… | ||
| img168 | Internal requisition to order an ignition testing condenser. | ||
| View original record | Reqy from EJJ/JV. c to Lr/Wst. Order No. 815. 6052 EJJ is absent. EJJ/JV8/JC9. 2. 37. Re - IGNITION TESTING CONDENSER. Please order from The Telegraph Condenser Co., Ltd.,:- 1 - 200 MMFD Mica… | ||
| img169 | The accessibility of the Phantom III condenser and a suggestion for improvement. | ||
| View original record | c to Hs. 6052 Hd/SBS/HR.28.5.37. WST HSF MAY 28 1937 re ACCESSIBILITY. Phantom III Condenser. At present it takes over half an hour to change a Phantom III condenser because it is necessary to remove… | ||
| img170 | Proposal to improve the accessibility of the Phantom III condenser for easier replacement by slotting the contact strip hole. | ||
| View original record | E. c to RY. c to Pm. c to Hs. .6052 Hd/SBs/HR.28.5.37. Lost. What about this Rm re ACCESSIBILITY. Phantom III Condenser. ------------------- At present it takes over half an hour to change a Phantom… | ||
| img171 | Requesting endurance tests to be carried out on at least half a dozen Lucas condensers for a new distributor. | ||
| View original record | To By/RD. c. to By. 6052 Rm/RC.2/JH.17.2.39. re Condensers. On the new distributor to DCD.838 we note that the Lucas condenser has been incorporated. A poor quality condenser can cause considerable… | ||
| img172 | Request for the capacity values, in microfarads, of condensers for various Bentley and Rolls-Royce chassis. | ||
| View original record | 6052 To Rm/RC. Derby Levallois Sr/VA8/ET.15.5.39 Re: CONDENSERS - BENTLEY & ROLLS-ROYCE CHASSIS Will you kindly arrange to let us know the capacity, in microfarads, of condensers as fitted to the… | ||
| img173 | Specifications and usage of various condensers on different car models. | ||
| View original record | 6052 W/P - Sr/VA. Rm/RC.16/JH.25.5.39. In reply to your memo. of the 15.5.39. re condensers capacities, we would like first of all to point out that the paper condenser (rectangular shaped body of… | ||