Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | General arrangement of Marles Steering Gear R7 Type RH. | ||
| View original record | GENERAL ARRANGEMENT OF MARLES STEERING GEAR R7 TYPE RH. ADAMANT ENGINEERING CO LTD NOTE: P2381 WAS P1286 - 18-9-30 R.H. OUTER TUBE ADDED - 10-11-30 37/64 DIA ADDED TO HOLE - 9-2-31 TO SUIT 2 11/16… | ||
| Scan002 | Blueprint showing the layout of a right-hand 'Q' gear assembly and its connection points. | ||
| View original record | SECTION AA, SUPPLIED AND FITTED BY CUSTOMER, OUTLINE OF CARBURETTER, TO BE DRILLED BY CUSTOMER, SECTION BB, 3 1/8 DIA P.C., 8 3/8, B, 6 7/8, SPLIT PIN HOLE NOT REQUIRED, DROP ARM SUPPLIED BY CUSTOMER… | ||
| Scan003 | Various steering gear systems and their respective advantages and disadvantages. | ||
| View original record | To Hs. from R. c. to CJ. BJ. c. to HG. EY. c. to DA. E. c. to FN. CWB. +4094 STEERING. R1/M10.7.25. X.8430 X.4214 X.4094 (1) We shall have a slightly slower and definitely more irreversible box. This… | ||
| Scan004 | Steering system alternatives, modifications, and testing of different worm pitches. | ||
| View original record | To BY. from R. To Hs. from R. c. to CJ. BJ. c. to FN. CWB. X4094 R2/M17.7.25. RE. STEERING. X. 3430 There is nothing in the Marles, Hispano, Isotta Fraschini (Marles), Daimler (Marles), and Lanchester… | ||
| Scan005 | The experimental fitting of a Marles steering gear to a New Phantom chassis. | ||
| View original record | X.4094. To BY. from DA. c. to Hs. DA2/M1 8.7.25. MARLES STEERING GEAR. Mr. Royce has agreed to fitting a Marles steering experimentally to a New Phantom chassis, and we have written to the Marles… | ||
| Scan006 | Requesting that the Marle steering gear be made suitable for 'D' steering. | ||
| View original record | To BY. } FROM HS. To DA. } X. 4094 Hs1/LG20. 7.25. MARLE STEERING GEAR. We should like this steering gear to be made suitable for 'D' steering. Hs. | ||
| Scan007 | Arrangements for a new Phantom special steering column of the Marles type. | ||
| View original record | X.4094 RHC. C. BY/HED. [struck through] c. Hs. BY12/H. 1.9.25. NEW PHANTOM SPECIAL STEERING COLUMN, MARLES TYPE. Arrangements have been made by Da. from West Wittering, at R's request, for the Marles… | ||
| Scan008 | Comparative test report on Marles steering versus the new Phantom steering. | ||
| View original record | Expl: Report. Expl: No. x4094 Ref. Hs/Rml/LG16. 2. 2. 26. To R. from Hs/Rn. c. to CJ. BJ. c. to RG. E. c. to BY. Wor. c. to OY. DA. MARLES STEERING. x4094 x8430 We have carried out comparative tests… | ||
| Scan009 | Performance comparison of Marles steering against other steering systems, focusing on ratio and efficiency. | ||
| View original record | contd :- -2- the Marles steering is apparent when shunting. Under heavy loads on large locks, it does not appear to wind up and tend to stick as is the case with some Phantom steerings. On the whole,… | ||
| Scan010 | Comparison of the effort required for 'Good EAC. Steering' versus 'Marles Steering'. | ||
| View original record | contd :- -3- The following indicate the relative irreversibility of the two steerings which were tried on the road. Effort in pounds required to hold the load of 317 lbs. on the pendulum lever. Good… | ||
| Scan011 | Graph and data table comparing the ratio of movement of the steering wheel to the pendulum lever for the New Phantom and Marles steering systems. | ||
| View original record | NEW PHANTOM (7/8 WORM LEAD) AND MARLES STEERING THE RATIO OF MOVEMENT OF STEERING WHEEL TO PENDULUM LEVER. Y-Axis Label: ANGLE OF STEERING WHEEL X-Axis Label: ANGLE OF PENDULUM LEVER Graph Line… | ||
| Scan012 | Request for clarification regarding a reference to lubricated and unlubricated readings for Marles Steering. | ||
| View original record | To Hs. from DA. X.4094 DA2/M6.3.26. MARLES STEERING. With reference to your Hs/Rn1/LG16.2.26., there is a point that we did not understand at the time of reading, namely, on page 2. the reference to… | ||
| Scan013 | Clarifying figures from a report on lubricated vs. un-lubricated tests for Marles and Phantom steerings. | ||
| View original record | To DA. from Hs/Rm. Hs/Rm2/LG9. 3. 26. X4094 MARLES STEERING. With reference to DA2/M6.3.26. The figures at the bottom of page 2. in our report Hs/Rm1/LG16.2.26. refer to the mean of lubricated and… | ||
| Scan014 | Letter from Adamant Engineering Company regarding the performance of their Marles Steering Gear during a world record attempt. | ||
| View original record | Telegrams: "ADAMANT, Luton" Telephone: LUTON 564 X4094 ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD & SONS. Established 1878.) Engineers and Founders. SPECIALISTS in the DESIGN… | ||
| Scan015 | Letter from HPG. Brakenridge & Co., representatives for 'Marles' Steering Gear, requesting feedback on a supplied trial set. | ||
| View original record | Telephones: GERRARD 5486 and WILLESDEN 1710. 4094 H. P. G. BRAKENRIDGE & Co. CARLTON HOUSE, 11 REGENT STREET, LONDON, S.W.1. Sole Wholesale Selling Representatives for the British Isles of the… | ||
| Scan016 | Letter to Messrs. HPG. Brakenridge & Co. regarding the experimental Marles Steering Gear. | ||
| View original record | X4094 Hs/Rml/T. 23rd August, 1926. Messrs. H.P.G. Brakenridge & Co., Carlton House, 11 Regent Street, London, S.W.1. Dear Sirs, With reference to your letter of the 16th inst., the Marles Steering… | ||
| Scan017 | Requesting tests on a Marles steering system for the 98-NK car. | ||
| View original record | To RHC. from Hs/Rm. X4094 Hs/Rm8/LG26.10.27. 98-NK CAR - MARLES STEERING. X8420 We wish to carry out a number of tests on 98-NK with Marles steering. We would like to try this steering on the car with… | ||
| Scan018 | Request to manufacture and fit a steering column support for a Marles steering column on chassis 98-NK. | ||
| View original record | X. 4094 To R.I.C. From Hs/Rn. Hs/Rn2/LG15.11.27. STEERING COLUMN SUPPORT. Will you please make and fit one steering support for the Marles steering column on 98-NK to the attached sketch. Hs/Rm. | ||
| Scan019 | Requirements for carrying out steering experiments on a test vehicle. | ||
| View original record | 84094. RHC. From Hs/Gry. Hs/Gry.7/MA.22.7.32. STEERING EXPERIMENTS. We wish to carry out some further tests on the Marles steering box. We first wish to set an impression of the car (22-EX) with… | ||
| Scan020 | Inquiry to the Adamant Engineering Co. Ltd. regarding improvements and comparisons of their Marles steering box. | ||
| View original record | V4094. Hs/Gry.1/MA. July 22nd. 1932. The Adamant Engineering Co. Ltd., Dallow Road, LUTON. Dear Sirs, You will remember that in 1928 you built up a Marles steering box to suit our cars. We wish now to… | ||
| Scan021 | Letter from Adamant Engineering Company regarding modifications to the Marles Steering Gear. | ||
| View original record | 84094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan022 | Letter from Adamant Engineering Company regarding the testing of steering gear and a comparison with American types. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 25.7.32. your instructions to make up one of these latest type of steerings for testing out on one of your cars. As regards the last paragraph of your letter, we have… | ||
| Scan023 | Letter to Adamant Engineering Co., Ltd. regarding modifications and pricing for steering improvements. | ||
| View original record | 84094. Expl. Dept. Hs/Rm.5/MJ. 27th. July 1932. Adamant Engineering Co., Ltd., Dallow Road, Luton. Dear Sirs, We thank you for your letter of the 25th.inst., Ref: FGM/AGS/CB., and note that you have… | ||
| Scan024 | Letter from HPG. Brakenridge & Co., representatives for Adamant Engineering, requesting an appointment. | ||
| View original record | Telephones: GERRARD 5486 and GLADSTONE 1710. 84094. H. P. G. BRAKENRIDGE & Co., CARLTON HOUSE, LOWER REGENT STREET, LONDON, S.W.1. Sole Wholesale Selling Representatives for the British Isles of the… | ||
| Scan025 | Letter to HPG. Brakenridge & Co. arranging a meeting about experiments on a P.2 car's Marles steering gear. | ||
| View original record | Y4094. Expl. Dept. Hs/Rm.1/MJ. 30th. July 1932. Messrs. H.P.G. Brakenridge & Co., 8, Bertie Terrace, Leamington Spa, Warwickshire. For the attention of H.P.G.Brakenridge Esq. Dear Sir, With reference… | ||
| Scan026 | Letter from Adamant Engineering Company regarding a proposal for modifying a Marles Steering Gear. | ||
| View original record | Telegrams: 'ADAMANT, Phone, Luton.' CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan027 | Letter from Adamant Engineering Company Limited regarding the supply and design of steering gears. | ||
| View original record | - 2 - Messrs. Rolls Royce, Ltd. would be almost, if not quite, as expensive to carry out as the supply of that part as made straight in production. You will no doubt have gathered from the above… | ||
| Scan028 | Letter from HPG. Brakenridge & Co. arranging a visit to the works. | ||
| View original record | Telephones: GERRARD 5486 and GLADSTONE 1710. X4094. H. P. G. BRAKENRIDGE & Co., CARLTON HOUSE, LOWER REGENT STREET, LONDON, S.W.1. Sole Wholesale Selling Representatives for the British Isles of the… | ||
| Scan029 | Letter from Adamant Engineering Company regarding a cancelled visit to test Marles Steering on a P2 car. | ||
| View original record | X4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan030 | Letter from HPG. Brakenridge & Co. discussing a potential meeting, which may no longer be necessary. | ||
| View original record | Telephones: GERRARD 5486 and GLADSTONE 1710. X4094, H. P. G. BRAKENRIDGE & Co., CARLTON HOUSE, LOWER REGENT STREET, LONDON, S.W.1. NEW ADDRESS: 8 BERTIE TERRACE, LEAMINGTON SPA, WARWICKSHIRE. Sole… | ||
| Scan031 | Letter discussing availability for service related to a trip to Derby. | ||
| View original record | H. P. C. BRAKENRIDGE & CO. to do so if I can in any way be of service & there is at any rate at the moment, no reason why I should not be away for a few hours, which after all is all that a motor turn… | ||
| Scan032 | Letter to Adamant Engineering Co. comparing their Marles steering system with Rolls-Royce's own, focusing on reversibility and road shock. | ||
| View original record | X4094. Hs/Gry.1/K T. August 10th, 1932. Adamant Engineering Co., Dallow Road, Luton. Dear Sirs, We thank you for your letter and drawings of the Marles steering. Our own steering, consisting of a worm… | ||
| Scan033 | Letter to Mr. HPG. Brakenridge proposing a meeting to discuss production. | ||
| View original record | X 4094. Hs/Tnn.2/AD. August 11th, 1932. Mr. H.P.G. Brakenridge, 8, Bertie Terrace, Leamington Spa, Warwickshire. Dear Sir, We thank you for your letter of the 10th inst. Yesterday we wrote to the… | ||
| Scan034 | Letter from Adamant Engineering Company discussing the characteristics of Marles steering gear, specifically regarding road shocks and irreversibility. | ||
| View original record | X4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan035 | Letter discussing steering gear ratios, roller bearings, and the Marles-Weller Steering Gear. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 11.8.32. Gear in the straight ahead position is just under 10½°, but we can of course reduce this angle by cutting a slightly lower gear ratio, and we should be… | ||
| Scan036 | Continued letter discussing Marles and Marles-Weller steering gears and their application in various vehicles. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 3 11.8.32. place of rolling movement as employed in the Marles Gear, and it is found that on this account the Marles-Weller Gear can be made more irreversible than the… | ||
| Scan037 | Letter from Adamant Engineering Company Limited concluding a proposal to supply sample gears for testing. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 4. 11.8.32. would be satisfactory on your vehicle is to test a sample of these Gears on the vehicle. We trust we may have the pleasure of putting through such samples… | ||
| Scan038 | Letter to The Adamant Engineering Co. Ltd. discussing the merits and inefficiencies of American versus Marles steering systems. | ||
| View original record | X4094. Hs/Rm.1/AD August 12th, 1932. The Adamant Engineering Co.Ltd, Dallow Rd, Luton. Dear Sirs, We thank you for your letter of the 11th inst. reference FCM/AGS/CB. and note what you say. The writer… | ||
| Scan039 | Letter to Adamant Engineering requesting performance figures and a cost for Marles-Weller steering gears. | ||
| View original record | The Adamant Engineering Co.Ltd. Luton. -2- If you can give us some figures showing the relative reversibility of the Marles and Marles-Weller type of steering gear we can compare them with the figures… | ||
| Scan040 | Letter from Adamant Engineering Company acknowledging receipt of a letter and promising a full reply. | ||
| View original record | Telegrams: "ADAMANT. Phone. Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY Telephone: LUTON 1818 (2 LINES). Handwritten: X4094 ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J.… | ||
| Scan041 | Letter from Adamant Engineering discussing the design and characteristics of steering gears, particularly road reaction and self-centring. | ||
| View original record | X4094 Telegrams: "ADAMANT. Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan042 | Letter discussing the complexities of steering design, comparing Marles Steering to others, and noting its performance. | ||
| View original record | Messrs. Rolls-Royce Ltd., Derby. Contd 2. 17.8.32. of load and springing have to be taken into consideration in chassis design, apart from steering, which nevertheless may militate against the factors… | ||
| Scan043 | Letter from Adamant Engineering Company Limited detailing prices for different steering gear models. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 3 17.8.32 a gear of each type, because this is really the best way of ascertaining and comparing performance. The price of the Marles Steering Gear complete with Columns… | ||
| Scan044 | Letter to Adamant Engineering Co. Ltd. requesting efficiency figures for a Marles Weller type steering box. | ||
| View original record | X4094. Hs/Gry.7/KT. Your ref. SCS/AGS/CB. August 18th, 1932. Adamant Engineering Co, Ltd., Dallow Road, Luton. Dear Sirs, We thank you for your letter of the 17th. inst. As we pointed out in our last… | ||
| Scan045 | Letter from Adamant Engineering Company regarding tests conducted on steering gears. | ||
| View original record | Telegrams: "ADAMANT. Phone. Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan046 | Letter from Adamant Engineering Company Limited discussing gear efficiency testing procedures and the supply of custom cams. | ||
| View original record | Messrs. Rolls-Royce Ltd. Cont'd 2. 30.8.32. specially calibrated spring wheel designed so that we can ascertain the efficiency at any part of the movement of the gear without being dependent upon the… | ||
| Scan047 | Letter from Adamant Engineering Company containing a table of test results for steering gears. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan048 | Graph of steering and castoring efficiency for a Marles-Weller Type O Standard gear. | ||
| View original record | MARLES-WELLER GEAR TYPE O STANDARD HELIX ANGLE: 10° 30' RATIO: 13.5 : 1 ADAMANT ENGINEERING COMPANY LIMITED LUTON BEDS 30TH AUGUST 1932 Y-AXIS: EFFICIENCY % (A) STEERING EFFICIENCY (FORWARD) (B)… | ||
| Scan049 | Blueprint detailing an impact test for a steering gear component. | ||
| View original record | ALTERATION Location Date Initial B GUIDE FOR WEIGHT A 9" DROP ARM REDUCTION RATIO 15 1/2 TO 1 HELIX ANGLE 10°50' C 9 3/4" RAD. OF WHEEL A - DROP IN INCHES B - WEIGHT DROPPED lbs C RADIAL MOVEMENT AT… | ||
| Scan050 | Letter to Adamant Engineering Co. Ltd. discussing steering gear comparisons with General Motors and requesting test results. | ||
| View original record | X4094. Hs/Rm.6/AD. September 9th, 1932. The Adamant Engineering Co.Ltd. Dallow Rd. Luton. For the attention of Mr. Carlton Smith. Dear Sirs, We thank you for your letter of the 30th August and are… | ||
| Scan051 | Letter to The Adamant Engineering Co. about testing a Marles steering gear against their own steering column. | ||
| View original record | The Adamant Engineering Co. -2- From the American reports we have come to the conclusion, however, that it will be best for us to try the Marles gear and in order to get the best possible comparison… | ||
| Scan052 | Letter from Adamant Engineering Company regarding the supply of Marles-Weller steering gears and a request for drawings. | ||
| View original record | x4094 CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telegrams: "ADAMANT, Phone, Luton." Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan053 | Points requiring attention when adapting a Marles steering box to a 'C' type chassis. | ||
| View original record | 840941 POINTS REQUIRING ATTENTION WHEN ADAPTING MARLES STEERING BOX TO RR.P.2. "C" TYPE CHASSIS (1) Using a 2.250" diameter outer tube on the Marles Column(as per RR. Col) a reduction of 1.125" in… | ||
| Scan054 | Letter to Adamant Engineering Co. about fitting a steering box to a Phantom car. | ||
| View original record | 84094. Hs/Rn. 6/KT. Sept. 24th,1932. Adamant Engineering Co., Dallow Road, Luton. For the attention of Mr Carlton Smith. Dear Sirs, We thank you for your letter of the 13th Sept. We have now gone… | ||
| Scan055 | Letter from Adamant Engineering Co. discussing steering box compatibility issues. | ||
| View original record | Adamant Eng. Co. -2- us in our second difficulty, which is that the steering box runs into the carburetter casting. You will see from the sketch that your box is an entirely different shape to ours… | ||
| Scan056 | The concluding page of a letter addressed to Adamant Engineering Co. | ||
| View original record | Adamant Eng. Co. -3- of whether you have any alterations to offer. We think, perhaps, it would be worth while for one of your representatives to call to discuss the whole matter with us, unless you… | ||
| Scan057 | Letter from Adamant Engineering Company regarding the difficulty of fitting a standard Marles Steering gear and arranging a meeting to resolve it. | ||
| View original record | X4094. CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telegrams: "ADAMANT, Phone, Luton." Telephone: LUTON 1818 (2 LINES). [Logo: NATIONAL SCHEME FOR DISABLED MEN] [Logo: THE SOCIETY OF… | ||
| Scan058 | Blueprint for a right-hand cam with 3 1/4 turns. | ||
| View original record | GRINDING ADDED TO CONE FOR ROLLER RACE 1.7.31, ALTERATION, Location, Date, Initial, 4.1875"±.004", CUT TRACK RIGHT THRO, 1/32 R, 2.093"±.002" TO GAUGE, 1.6875" DIA +.00025 -.00075 TO GAUGE, FOR 1/32… | ||
| Scan059 | Blueprint drawing for a Rocker Shaft. | ||
| View original record | THRD. 7/8 B WHIT SD-12-24 746 FOR THIS DIMENSION SEE SHEET 2 STAND'D LENGTH 3 7/16 TAPER INCLUDED ANGLE 6° N° 14 WOODRUFF 7/8" B.S.F. POSITION OF KEY VIEWED FROM FORK END. 30° NOTE - POINT OF… | ||
| Scan060 | Blueprint drawing for a Cam. | ||
| View original record | ALTERATION R TO BE STAMPED ON THIS END AFTER OP 1 NOTE- THIS HOLE AFTER HEAT TREATMENT TO BE 1.125 DIA +.0005 -.003 KEYWAY & SERRATIONS 6 TIMES FULL SIZE NOTE PARTICULARLY THE CENTRE FROM WHICH THIS… | ||
| Scan061 | Technical drawing of a Rocker Shaft R7 Type RH. | ||
| View original record | ROCKER SHAFT R7 TYPE RH, MATERIAL: 3 1/2% NICKEL STEEL S69c SPECIALLY HEAT TREATED, MACHINE WHERE MARKED, GROUND WHERE MARKED G, ALL DIMENSIONS NOT LIMITED TO BE ±.010, VIEW FROM SCREWED END,… | ||
| Scan062 | Letter from Adamant Engineering Company regarding the supply and design modifications for a Marles steering gear. | ||
| View original record | X4094. CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telegrams: 'ADAMANT, Phone, Luton.' Telephone: LUTON 1818 (2 lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan063 | Letter from Adamant Engineering discussing gear design proposals, required dimensions, a potential fouling issue, and enclosed blueprints. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd. 2. 1.10.32 In the event of your favouring us with your instructions to put one of these gears in hand to the proposals shewn on the drawing, we shall be glad if you… | ||
| Scan064 | Graph showing curves for helix angles, pitch, and gear ratio for Marles-Weller gears. | ||
| View original record | B.F.3.32 GEAR RATIO 10:1 11:1 12:1 13:1 14:1 15:1 16:1 17:1 18:1 19:1 20:1 21:1 22:1 23:1 24:1 25:1 26:1 27:1 28:1 PITCH (INCHES) 1/32, 1/16, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8,… | ||
| Scan065 | Graph showing gear ratios for O and Q Marles-Weller gears at various rocker shaft positions. | ||
| View original record | O AND Q MARLES - WELLER GEARS GEAR RATIOS AT VARIOUS POSITIONS FROM MID POSITION OF ROCKER SHAFT GEAR RATIO 18 17 16 15 14 13/1 1 5/8" PITCH 1 3/8" PITCH POSITION OF ROCKER SHAFT FROM MID POSITION MID… | ||
| Scan066 | Feasibility of fitting a Marles steering system to a Phantom II car. | ||
| View original record | RHC. from Hs/Rm. Hs/Rm.11/KT.3.10.32. MARLES STEERING IN P.II. CAR. We have gone carefully into the question of fitting the Marles steering to a P.II. car, with the manufacturers. From your sketch,… | ||
| Scan067 | Requesting drawing MGA.20100 with marked dimensions for a D-type steering column on car 58-GN. | ||
| View original record | -2- to 58-GN, Sg's car, which has a D steering column rake. I should be glad if you let me have drawing MGA.20100 with the four dimensions they require marked in, and any comments you have to make, so… | ||
| Scan068 | Feasibility and proposed modifications for fitting a Marles steering box to a Phantom II car. | ||
| View original record | RHC. from Hs/Rn. X4094 Hs/Rn.11/KT.3.10.32. MARLES STEERING IN P.II. CAR. We have gone carefully into the question of fitting the Marles steering to a P.II. car with the manufacturers. From your… | ||
| Scan069 | Request for drawing MGA.20100 with dimensions for the steering column on car 58-GN. | ||
| View original record | -2- to 58-GN, Sg's car, which has a "D" steering column rake. I should be glad if you let me have drawing MGA.20100 with the four dimensions they require marked in, and any comments you have to make,… | ||
| Scan070 | Letter to The Adamant Engineering Co. Ltd. discussing the suitability of a steering box, carburetter foul, and steering tube dimensions. | ||
| View original record | 84094 Hs/Rm.7/AD. October 4th, 1932. The Adamant Engineering Co.Ltd. Dallow Rd. Luton. For the attention of Commdr. F.G. Matravers. Dear Sirs, Thank you for your letter of the 1st inst. together with… | ||
| Scan071 | Page 2 of a letter to The Adamant Engineering Co. Ltd. regarding a central steering tube, steering box, and print MGA.20100. | ||
| View original record | The Adamant Engineering Co.Ltd. -2- would We should be obliged if you leave a good length of central steering tube (say one foot) so that we shall have plenty to obtain a satisfactory joint. We should… | ||
| Scan072 | Letter from Adamant Engineering Company regarding steering gear modifications and specifications. | ||
| View original record | 44094 Telegrams: "ADAMANT. Phone. Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan073 | Letter from Adamant Engineering Company Limited regarding an enclosed drawing and gear manufacture. | ||
| View original record | Messrs. Rolls-Royce Ltd., Contd 2. 5.10.32. We believe that the enclosed drawing, together with the points mentioned in this letter cover all the outstanding queries, and as stated above we are… | ||
| Scan074 | The fitting of a Marles Weller steering system to SG's car. | ||
| View original record | RHC. from Hs/Rm. X4094. Hs/Rm.8/KT.6.10.32. MARLES WELLER STEERING FOR SG'S CAR. Attached herewith a print of MGA. 20100 shewing the Marles steering as it is proposed to fit it on Sg's car, as agreed… | ||
| Scan075 | Letter to Adamant Engineering Co Ltd regarding a comparison of Cadillac and Marles Weller steering gear wear. | ||
| View original record | X4094. Hs/Rm.13/KT. October 10th, 1932. The Adamant Eng. Co Ltd, Dallow Road, Luton. For the attention of Comndr. F.G.Matravers. Dear Sirs, We have just stripped the Cadillac worm and segment steering… | ||
| Scan076 | Letter from Adamant Engineering Company discussing Cadillac steering and the adjustment of Marles-Weller steering gears. | ||
| View original record | 44094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan077 | Letter from Adamant Engineering Company Limited discussing wear on gears and ball races. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 12.10.32. Gear in considerable quantities for a matter of two years, we have yet to hear of a case where adjustment has been required between the hemispheres and the… | ||
| Scan078 | Booklet for the Marles-Weller patent steering gear. | ||
| View original record | MARLES-WELLER (PATENT) STEERING GEAR (Patent No. 324270) Issued by ADAMANT ENGINEERING CO., LTD. LUTON . ENGLAND G. B. & CO. (3789) PRICE ONE SHILLING NET. | ||
| Scan079 | Letter to The Adamant Eng. Co. regarding a pendulum lever, a drawing, and the progress of a steering box. | ||
| View original record | X4094. Hs/Rm.13/KT. Oct. 12th, 1932. The Adamant Eng. Co, Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sirs, We have despatched to you the pendulum lever for the steering box you… | ||
| Scan080 | Letter from Adamant Engineering Company regarding the receipt of drawing F.79770, the arrival of a drop arm stamping, and the delivery of steering gear. | ||
| View original record | 44094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan081 | Letter to Cam Gears Ltd enquiring about their Bishop steering gear for use on a Phantom II car. | ||
| View original record | x4094. Hs/Gry.1/KT. Oct. 17th, 1932. Messrs Cam Gears Ltd, Biscot Road Works, Luton. For the attention of Mr.Siddall. Dear Sirs, We are considering trying a Bishop steering gear on one of our Phantom… | ||
| Scan082 | Promotional letter from Burman & Sons Ltd. regarding their new Burman-Douglas steering gears. | ||
| View original record | CARS & BOATS MOTOR EXHIBITION OCT. 13-22 OLYMPIA OUR STAND No. 260 Gallery TELEPHONE: CALTHORPE 2641-2. TELEGRAMS: BURMANTH B'HAM. BURMAN & SONS LTD. BURMAN ESTABLISHED 1871. CABLES: A.B.C. 5TH… | ||
| Scan083 | Letter from Cam Gears Ltd. regarding an enquiry for Bishop Patent Steering Gear for the Phantom II Model. | ||
| View original record | r4094. MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMMR H.W.KENT, R.N. RETD. H. LEESE. R.… | ||
| Scan084 | Letter from Adamant Engineering Company regarding the despatch of a 'Q' type Marles-Weller Steering Gear. | ||
| View original record | X4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan085 | Letter from Adamant Engineering Company regarding a manufacturing issue with a Marles-Weller Steering Gear drop arm. | ||
| View original record | X4094. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan086 | Letter to Messrs Burman & Sons Ltd declining interest in their new Burman-Douglas Steering Gear. | ||
| View original record | X4094 Hs/Rn.16/KT. Oct. 26th, 1932. Messrs Burman & Sons Ltd, Ryland Road, Birmingham, Dear Sirs, We thank you for your letter of the 17th inst, ref. GH/NL, together with a copy of a booklet… | ||
| Scan087 | Letter from Adamant Engineering Company regarding the supply of a second drop arm and following up on testing for the Marles-Weller Steering gear. | ||
| View original record | X4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan088 | Letter to Adamant Engineering Co. Ltd. acknowledging receipt of a drop arm and advising of upcoming road tests. | ||
| View original record | X4094. HS/Rm.9/MA. November 8th. 1932. The Adamant Engineering Co.Ltd., Dallow Road, Luton. For the attention of Lt.-Commander F.G.Matravers R.N.. Dear Sirs, We thank you for your letter of the 5th.… | ||
| Scan089 | Letter from CAM GEARS LTD. regarding their Bishop Patent Steering Gear, following up on previously sent information. | ||
| View original record | MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. 84094. CAM GEARS LTD. DIRECTORS: COMMR P.W.KENT, R.N. RETD. H. LEESE. R.… | ||
| Scan090 | Letter from Adamant Engineering Company Limited acknowledging correspondence and discussing the road testing of a gear. | ||
| View original record | X4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan091 | Letter to Cam Gears Ltd. regarding the testing of a Bishop steering system and requesting measured efficiency curve data. | ||
| View original record | 84094 Hs/Cry.1/MA. November 21st., 1932. Messrs. Cam Gears Ltd., Biscot Road, Works, Luton, Beds. Dear Sirs, We thank you for your letters of the 25th., ult. and 10 inst., and regret we have not… | ||
| Scan092 | Letter from Cam Gears Ltd. concerning the manufacture of a trial steering gear based on blueprints. | ||
| View original record | X4094 MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMMR P.W.KENT,R.N. RETD H. LEESE R.… | ||
| Scan093 | Letter from Cam Gears Ltd. regarding modifications to a steering gear box and efficiency tests of a Bishop gear. | ||
| View original record | 9 CAM GEARS LTD. CONTINUATION SHEET. Messrs. Rolls Royce Ltd. 22nd November, 1932. We note that you will fit your own controls and we will arrange the bottom of the steering gear box to have an oval… | ||
| Scan094 | Request for a support bracket and pendulum lever for a Bishop steering system being made for Bensport. | ||
| View original record | x 4094 RHC. From Hs/Gry. Hs/Gry.7/MA.24.11.32. We are having a Bishop steering made up for Bensport. The Bishop people would like us to send them a support bracket FB90 complete with gland and also a… | ||
| Scan095 | Letter to Cam Gears Ltd. regarding the supply of steering column drawings and parts. | ||
| View original record | 84094. Expl. Dept. Hs/Gry.S/MA. 24th., November 1932. Messrs. Cam Gears Ltd., Biscot Road Works, Luton, BEDS. For the attention of Mr. R. Pentony. Dear Sirs, We thank you for your RP/CGS. of the… | ||
| Scan096 | Letter to Adamant Engineering providing feedback on road tests of their steering system, noting faults with the gear ratio and slack. | ||
| View original record | 84094 Hs/Rm.11/AD. November 28th, 1932. The Adamant Engineering Co.Ltd. Dallow Rd. Luton. For the attention of Commdr. Matravers. Dear Sirs, We have now carried out a number of road tests on your… | ||
| Scan097 | Bensport Steering system, requesting a dashboard bracket. | ||
| View original record | RHC. From Hs/Gry. 84094' Hs/Gry.8/MA.29.11.32. BENSPORT STEERING* In connection with the Bishop Steering we are having made for this car, the Bishop people would like us to send them the dashboard… | ||
| Scan098 | Letter from Adamant Engineering discussing the gear ratio and helix angle of a sample Marles-Weller steering gear. | ||
| View original record | X4094. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan099 | Letter from Adamant Engineering Company regarding testing a car and the adoption of a steering system. | ||
| View original record | Messrs. Rolls Royce Ltd. Contd 2. 29.11.32 We note that the car will shortly be coming to London, and we should be extremely interested to have an opportunity of testing it at our Works, and trust… | ||
| Scan100 | Copy of telegrams regarding a meeting to discuss steerings. | ||
| View original record | TELEGRAMS: ADAMANT, PHONE, LUTON. TELEPHONE: LUTON 1818-1819. AD-FORM 22. ADAMANT ENGINEERING COMPANY, LIMITED, DALLOW ROAD, LUTON, BEDS. 29th November 19 32 COPY OF TELEGRAMS Passed to-day between… | ||
| Scan101 | Letter from Adamant Engineering Company regarding a test and order for a Marles-Weller steering gear. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan102 | The testing, purchase, and re-ordering of a steering component from Adamant Engineering Co. Ltd. | ||
| View original record | 84094. Roy. From HS/Rn. c. to Wor. Hs/Rn. 3/MA. 2.12.32. STEERING TESTS 58-GN. We have been testing a steering supplied to us on sale or return by the Adamant Engineering Co. Ltd... We now wish to… | ||
| Scan103 | Letter to Adamant Engineering Co. Ltd. regarding the despatch of a pendulum lever for a steering box. | ||
| View original record | 84094 Expl. Dept. Hs/Rm.6/MJ. 12th. December 1932. The Adamant Engineering Co. Ltd., Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sirs, With reference to your letter regarding the… | ||
| Scan104 | Letter to The Adamant Engineering Co. Ltd. regarding the machining of a drop arm and return of a steering gear. | ||
| View original record | 84094. Expl. Dept. Hg/Lid.9/MJ. 14th. December 1932. The Adamant Engineering Co. Ltd., Dallow Road, Luton. "For the attention of Commdr. Matravers. Dear Sirs, We are sending to you today one drop arm… | ||
| Scan105 | Letter from Cam Gears Ltd. proposing new steering gear options and comparison tests. | ||
| View original record | 84094. MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE. 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: -COMMR. P.W.KENT, R.N. RETD. H. LEESE.… | ||
| Scan106 | Continuation sheet of a letter from Cam Gears Ltd. discussing efficiency curves and the Bishop Gear. | ||
| View original record | CAM GEARS LTD. CONTINUATION SHEET. Messrs. Rolls Royce Limited. 15. 12.32. In the meanwhile we should like to point out that too much importance should not be paid to the efficiency curves given on… | ||
| Scan107 | Graph plotting Reversibility % against Torque on Drop Arm for two different cam gear ratios. | ||
| View original record | 8/12/32-AC CAM GEARS LTD, LUTON REVERSIBILITY % 11 TO 1 RATIO 14 TO 1 RATIO TORQUE ON DROP ARM - INCH - LB. | ||
| Scan108 | Letter from Adamant Engineering Company acknowledging receipt of a drop arm and noting a discrepancy in its length before proceeding with machining. | ||
| View original record | X4094' Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan109 | Letter to Cam Gears Ltd. regarding the testing and supply of steering gear for a 20 HP model. | ||
| View original record | 84094. Expl. Dept. Hs/Gry.1/MA. 16th., December 1932. Messrs. Cam Gears Ltd., Biscot Road Works, Luton, BEDS. For the attention of Mr. Pentony. Dear Sirs, We thank you for your letter of the 15th.,… | ||
| Scan110 | Letter from Cam Gears Ltd. explaining the testing methodology for their steering gear. | ||
| View original record | 84094. MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMMR P.W.KENT, R.N. RETD H.LEESE.… | ||
| Scan111 | Continuation sheet from CAM GEARS LTD. comparing the benefits of their gear system against competitor gears. | ||
| View original record | CAM GEARS LTD. CONTINUATION SHEET. 20.12.32. We believe that you will get even better results from our gear, as, whereas there is a small rubbing contact with the Weller Gear, the steering which we… | ||
| Scan112 | Sketch showing the method of testing Bishop steering gear for reversibility. | ||
| View original record | CAM GEARS LTD, LUTON EFFECTIVE RADIUS .5625" w lb W lb 9" METHOD OF TEST:- TORQUE ON ROCKER SHAFT WAS VARIED BY LOAD W AND CORRESPONDING TORQUES WERE COMPUTED BY EFFORT w SKETCH SHOWING METHOD OF… | ||
| Scan113 | Letter from Cam Gears Ltd. regarding a proposed Bishop Steering Gear replacement, blueprint SK 477, and necessary alterations. | ||
| View original record | 84094. MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMMR F.W.KENT, R.N. RETD. H. LEEDS. R.… | ||
| Scan114 | Letter from Cam Gears Ltd. concerning the specifications of a stator tube for a central control unit. | ||
| View original record | CAM GEARS LTD. CONTINUATION SHEET. 31.12.32. stator tube for the central control is relatively small in diameter and would probably pass. If you desire a larger bore than 0.80" please let us know as… | ||
| Scan115 | Letter to Cam Gears Limited discussing blueprint specifications for a steering column. | ||
| View original record | 84094. Hs/Gry.14/KT. January 5th 1933. Cam Gears Limited, Biscot Road Works, Luton. BEDS. For the attention of Mr.Pentony. Dear Sirs, We thank you for your letter of the 31st, enclosing a blueprint of… | ||
| Scan116 | Letter from Cam Gears Ltd. confirming dimensional changes to a steering column. | ||
| View original record | 84094. MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMM. R.W.KENT, R.N. RET'D H.LEESE.… | ||
| Scan117 | Letter to the Adamant Engineering Co. about steering endurance tests, invoice queries, and considering a new Marles Weller steering gear. | ||
| View original record | 84094. Hs/Rm.9/KT. January 16th 1933. The Adamant Eng. Co, Dallow Road, Luton. For the attention Comndr. Matravers. Dear Sirs, This is to let you know that we have got your second steering running an… | ||
| Scan118 | Letter from Adamant Engineering Company regarding the supply, testing, and cost of sample Marles-Weller steering gears. | ||
| View original record | Y4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan119 | Letter from Adamant Engineering Company regarding the correct size of steering gear and enclosed drawings. | ||
| View original record | Continuation sheet No. 1. Messrs. Rolls-Royce, Limited. From the information you have given us regarding the weight on the front axle of this car, it would appear to us that our J type of steering, as… | ||
| Scan120 | Confirming a satisfactory explanation for queried invoices and authorizing them for payment. | ||
| View original record | X4094 G/Gn. from Hs/Rm. Hs/Rm.3/KT.23.1.33. With reference to G/Gn/CA13/DW.13.1.33. We have written to the makers querying the figures of their invoices, and have received a satisfactory explanation… | ||
| Scan121 | Letter to The Adamant Eng. Co, Ltd regarding the suitability of their smaller gear for a car. | ||
| View original record | 84094. Hs/Rm.10/KT‡ January 30th 1933. The Adamant Eng. Co, Ltd, Dallow Road, Luton. Dear Sirs, With reference to your letter of Jan. 19th, we thank you for the drawings of your smaller gear, and we… | ||
| Scan122 | Blueprint graph showing the efficiency of a Marles Weller steering system for a Phantom II before and after a bumper test. | ||
| View original record | MARLES WELLER STEERING EFFICIENCY PHANTOM II TESTED NEW AND ALSO AFTER 43 HOURS ON BUMPER TEST. TESTED FOR EFFICIENCY AS WHEN STEERING AND AS WHEN SELF CENTREING (I.E. REVERSALS) STEERING: - 13/32… | ||
| Scan123 | Page with a handwritten reference number and a company date stamp. | ||
| View original record | X4094. ROLLS-ROYCE, LTD. PRINT ROOM FEB 8 1933 DERBY. | ||
| Scan124 | Follow-up letter from Adamant Engineering Company regarding drawings for J Type Steering Gear. | ||
| View original record | Telegrams : "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Y4094. Telephone : LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan125 | Letter from Adamant Engineering Company in response to a query about the suitability of a proposed gear. | ||
| View original record | Handwritten: 84004 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J.… | ||
| Scan126 | Request to complete the machining on a steering bracket for Bensport and despatch the parts to Cam Gears Ltd, Luton. | ||
| View original record | X4094 8 RHC. from Hs/Gry. Hs/Gry.6/KT.1.2.33. BISHOP STEERING FOR BENSPORT. Will you please complete the machining operations on the steering bracket for this steering. Bishops' have now been waiting… | ||
| Scan127 | Requesting to inspect and take dimensions of a Marle's Weller Steering box when it is pulled down. | ||
| View original record | To Hs/Rm. from E. X4094 E.5/HP.7.2.33. re Marle's Weller Steering. If,and when you pull down the Marle's Weller Steering box we should like to make an inspection and take dimensions of some of the… | ||
| Scan128 | Examination report on the condition of a Marles Steering Gear after being stripped from a chassis. | ||
| View original record | Adamant 84094 To Hs/Rm. from RHC/LB. RHC/LB3/BE3.2.33. Re: Marles Steering Gear. The Marles Steering Gear off the Bumper Chassis has been stripped for examination, and its condition found to be as… | ||
| Scan129 | Letter to The Adamant Eng. Co. regarding the failure of a steering hemisphere during an endurance test. | ||
| View original record | 84094. Hs/Rm.6/KT. February 4th 1933. The Adamant Eng. Co, Dallow Road, Luton. For the attention of Comm. Matravers. Dear Sirs, We have now stripped your steering after its endurance test. We find… | ||
| Scan130 | Letter from Adamant Engineering Company regarding a report on 'Q' type Marles-Weller Steering gear and a test on a Bumper machine. | ||
| View original record | X.4094 CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telegrams: "ADAMANT, Phone, Luton." ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. TREADGOLD & SONS. Established 1878.)… | ||
| Scan131 | Letter to The Adamant Eng. Co. regarding road testing their second steering gear and comparing bumping test results. | ||
| View original record | X4094 Hs/Rm.10/KT. February 8th 1933. The Adamant Eng. Co, Dallow Road, Luton. For the attention of Comndr. Matravers. Dear Sirs, We thank you for your letter of Feb. 7th. We are anxious to fit your… | ||
| Scan132 | The concluding page of a letter addressed to Adamant Eng. Co. | ||
| View original record | Adamant Eng. Co. -2- would address any correspondence on this matter to Mr.S.H.Grylls at these works, who will deal with it. Yours faithfully, FOR ROLLS ROYCE LIMITED. | ||
| Scan133 | Telegram chasing the despatch of a steering gear part. | ||
| View original record | POST OFFICE TELEGRAPHS Top Reference: X4094 No.: 99 Office Stamp: DERBY, 5 FE 36 Handwritten Annotation: Try / B 1320 / 8 Time of Receipt: 10/26 Origin: 104 9.55 LUTON T 13 Stamp: CONFIRMATION… | ||
| Scan134 | Letter from Adamant Engineering Company regarding the urgent return of a steering gear for examination. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). X4094 ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan135 | Postscript to a letter concerning a delay in the arrival of steering equipment. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 10.2.33. 5.45 p.m. P.S. The steering still has not arrived at this time, and you will no doubt appreciate that tomorrow being Saturday considerably alters the time it… | ||
| Scan136 | Copy of a telegram sent from Adamant Engineering Company to Rolls-Royce regarding a non-arrived steering gear. | ||
| View original record | TELEGRAMS: ADAMANT. PHONE, LUTON. TELEPHONE: LUTON 1818-1819. AD-FORM 22. ADAMANT ENGINEERING COMPANY, LIMITED, DALLOW ROAD, LUTON, BEDS. 10th February, 1933 COPY OF TELEGRAMS Passed to-day between… | ||
| Scan137 | Letter to Cam Gears Ltd regarding a delay in sending parts and a request for two rocker shafts. | ||
| View original record | X4094 Hs/Gry.13/KT. February 10th 1933. Cam Gears Ltd, Luton. For the attention of Mr. Pentony. We very much regret the delay in sending you a drop arm and bracket. These, however, are now being… | ||
| Scan138 | Letter to Adamant Engineering Co, Ltd, regarding a delay in despatching a steering component for examination. | ||
| View original record | X0094 Hs/Gry.2/KT. February 11th 1933. The Adamant Engineering Co, Ltd, Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sirs, We thank you for your FGM/AGS/CB. of the 10th inst. We… | ||
| Scan139 | Letter from Adamant Engineering Company regarding the return of a Steering Gear and Drop Arm. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan140 | Letter from CAM GEARS LTD regarding the supply of steering gear components including rocker shafts. | ||
| View original record | X4094 MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD. REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMME P.W.KENT, R.N. RET'D H. LEESE. R.… | ||
| Scan141 | Request to send Bishop steering gear parts to Cam Gears Ltd, for the attention of Mr. Pentony. | ||
| View original record | V4094 RHC/EM. from Hs/Gry. Hs/Gry.1/KT.16.2.33. BISHOP STEERING GEAR. Will you please send to Cam Gears Ltd, Luton, for the attention of Mr.Pentony, a gland bush, packing, and, nut, piece numbers… | ||
| Scan142 | Letter from Adamant Engineering Company regarding the examination and modification of a Marles-Weller Steering Gear. | ||
| View original record | L11 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. x1094 Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan143 | The examination of a steering gear, detailing findings on bearings, shake, and a loose flange. | ||
| View original record | Messrs. Rolls-Royce Ltd., Contd 2. 15.2.33. therefore there is a small amount of shake present. We are wondering whether this small amount of shake has given you the impression that the tracks have… | ||
| Scan144 | Concluding page of a letter from Adamant Engineering Company Limited. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 3. Assuring you of our best attention at all times, We are, Yours faithfully, for ADAMANT ENGINEERING COMPANY LIMITED. [Signature] Director. | ||
| Scan145 | Letter from Cam Gears Ltd. requesting a steering wheel to assist in machining a steering gear column. | ||
| View original record | MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. 84094. CAM GEARS LTD. DIRECTORS: COMMR P.W.KENT, R.N. RETD H.LEESE.… | ||
| Scan146 | Measurements of slack in a Marles Weller steering system over various time intervals. | ||
| View original record | X4094 FILES 23.2.33. MARLES WELLER STEERING. Initial slack = .306" = 1.9° After 9 hrs 15.= .406" = 2.52° 15 hrs 25 = .406" = 2.52° 30 hrs 20 = .475" = 2.95° 43 hrs 20 = .695" = 4.3° Measured at 9.250"… | ||
| Scan147 | Results of a 50-hour test on a Marles steering gear fitted to a Phantom II chassis. | ||
| View original record | X4094 To Sg. From Hs. c. to Wor. c. to E. c. to Hy. Hs.8/MJ.28.2.33. X7430 Re. MARLES STEERING GEAR. We have completed a 50 hours test on the bumper with this steering fitted to Phantom ll chassis. We… | ||
| Scan148 | Agreeing to manufacture and test a set of parts for the Marles Steering Gear. | ||
| View original record | X4694 To Hs. from Sg. re Marles Steering Gear. Copy to Wor. E. DV. I am in receipt of Hs.8/MJ.28.2.33. I note all you say and agree the suggestion of making up one set of parts to E's instructions and… | ||
| Scan149 | General arrangement drawing of an R1 type Marles steering gear. | ||
| View original record | GENL ARRT OF R1 TYPE MARLES GEAR - W. No. 5030 53.570 TO Q OF ROCKER SHAFT - LOCATES BETWEEN FACES OF BOX ROLLS ROYCE STAND. THREAD, TAPER & SERRATIONS ROLLS ROYCE CONTROLS BRACKET FITTED ON BOX. 2… | ||
| Scan150 | Follow-up letter from Cam Gears Ltd. requesting a steering wheel to complete the machining of a steering gear column. | ||
| View original record | XL4094 MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.I. CAM GEARS LTD. DIRECTORS: COMMY P.W.KENT, R.N. RETD M. LEESE. R.… | ||
| Scan151 | Letter to Cam Gears Ltd regarding a steering wheel and untraced correspondence. | ||
| View original record | X4094 Hs/Gry.17/KT. March 3rd 1923. Cam Gears Ltd, Luton. For the attention of Mr. Pentony. Dear Sirs, We thank you for your letter of the 2nd inst, but regret that we cannot trace having received… | ||
| Scan152 | Requesting to send a steering wheel to Messrs Cam Gears Ltd for a Bishop steering system for Bensport. | ||
| View original record | Y400H RHC. from Hs/Gry. Hs/Gry.18/KT. 3.3.33. BISHOP STEERING FOR BENSPORT. Will you please send a steering wheel (FB.35) to Messrs Cam Gears Ltd, Luton, (for the attention of Mr. Pentony), for the… | ||
| Scan153 | Letter from Cam Gears Ltd. regarding the machining of a column to accurately fit a supplied steering wheel. | ||
| View original record | K409↓ MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMMD'R P.W.KENT, R.N. RET'D H. LEESE. R.… | ||
| Scan154 | Letter from Cam Gears Ltd. regarding a delay in returning a sample steering gear. | ||
| View original record | MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. XC4094. CAM GEARS LTD. DIRECTORS: COMMR P.W.KENT, R.N. RETD H. LEESE. R.… | ||
| Scan155 | Comparing the performance of the Marles Weller R.R. Elliott type steering system against a standard system. | ||
| View original record | xU.94 To E. from Hs/Rm. Hs/Rn.1/MJ.20.3.33. MARLES WELLER R.R. ELLIOTT TYPE STEERING. There are one or two points in connection with the Marles-Weller steering gear which we think we may not have made… | ||
| Scan156 | Characteristics of Marles steering gear and recommending specific settings for helix angle and box ratio. | ||
| View original record | -2- Hs/Rn.1/MJ.20.3.33. The characteristics of the Marles steering gear box leverage are shewn in the attached print, therefore possibly if we could get a different characteristic in which the… | ||
| Scan157 | Letter from Cam Gears Ltd. regarding a sample Bishop Steering Gear sent for testing purposes. | ||
| View original record | X5094 MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD. REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMMR P.W.KENT, R.N. (RETD) H. LEESE. R.… | ||
| Scan158 | Letter to Cam Gears Ltd regarding the receipt and planned testing of a Bishop steering gear. | ||
| View original record | X4094 HS/Gry.17/KT. March 22nd 1933. Messrs Cam Gears Ltd, Luton. For the attention of Mr. Pentony. Dear Mr. Pentony, We thank you for sending us the Bishop steering gear. We shall of course take… | ||
| Scan159 | Inquiry about the result of a set of parts made up for the Marles Steering Gear. | ||
| View original record | X4094 Hs. from Wor. W. Wor5/GR.22.3.33. RE: MARLES STEERING GEAR. Hs8/MJ.28.2.33. & Sg10/El.3.33. As agreed by Sg., we shall be glad to know if the set of parts has been made up to E's instructions,… | ||
| Scan160 | Confirming the manufacturing status and expected completion date for Marles Steering Gear parts. | ||
| View original record | To Wor. From Hs. Y4094 Hs.3/MJ.25.3.33. Replying to Wor.5/GR.22.3.33. Re. Marles Steering Gear. These parts are being made and we expect to have them completed in ten or fourteen days time. Hs. | ||
| Scan161 | Tests on Bishop steering gear and a comparison with Marles Weller steering. | ||
| View original record | X 4094 E. from Hs/Rn. BY. Hs/Rn.12/KT.27.3.33. BISHOP STEERING. We attach a copy of some tests we have done on the Bishop steering gear. We were going to try this on the Bentley, but the overall… | ||
| Scan162 | The efficiency tests conducted on a Bishop steering gear and an issue found upon dismantling. | ||
| View original record | 27.3.33. TESTS ON BISHOP STEERING GEAR. The steering gear as received from the makers was fitted to gether and suitably mounted so that the steering column was horizontal and the weights could be hung… | ||
| Scan163 | Data table showing forward and reverse steering efficiency calculations. | ||
| View original record | -2- "FORWARD EFFICIENCY" Drop arm radius - 8" Radius of application of steering wheel load - 7 3/8" Velocity ratio - 10.9/1. Load on Drop Arm (lbs) | Load on Steering Wheel Arm (lbs) | Drop Arm Torque… | ||
| Scan164 | Letter to Cam Gears Ltd discussing the efficiency, ratios and potential modifications of a steering gear. | ||
| View original record | X7094 Hs/Gry.3/KT. March 28th 1933. Messrs Cam Gears Ltd, Luton. For the attention of Mr.Pentony. Dear Mr.Pentony. We have completed efficiency curves on the steering you sent us and obtain results… | ||
| Scan165 | Letter from Cam Gears Ltd. regarding the return of a steering gear for alteration. | ||
| View original record | X4094 MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMMr P.W.KENT.R.N. RETd H. LEESE. R.… | ||
| Scan166 | Request to send a Bishop steering lever and spare rocker shaft to Cam Gears Ltd. for ratio alteration. | ||
| View original record | X2094 RHC/EM. from Hs/Gry. Hs/Gry.3/KT.30.3.33. Will you please send the Bishop steering lever and spare rocker shaft to Cam Gears Ltd., Luton. They will alter the ratio and return it to us. There is… | ||
| Scan167 | The despatch of a Bishop Steering Gear and Spare Rocker Shaft to Cam Gears Ltd for ratio alteration. | ||
| View original record | K6094 To S/SP [Struck through] from RHC/EM. c. C/Any [Struck through] c. Hs/Gry. RHC/EM.1/AP. 30.3.33 We are sending into the Despatch Stores today the following:- 1 - Bishop Steering Gear & Spare… | ||
| Scan168 | Letter to Cam Gears Ltd. regarding the return of a Bishop Steering with an altered ratio. | ||
| View original record | XU094 Expl. Dept. Ha/Gry.12/MA. April 12th., 1933. Messrs. Cam Gears Ltd., Luton. Dear Sirs, We hope you will return the Bishop Steering to us as soon as possible with the altered ratio as we shall… | ||
| Scan169 | Letter from Adamant Engineering Company inquiring about the progress of tests on Marles-Weller Steering samples. | ||
| View original record | X 4094 Telegrams : "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan170 | Letter to Adamant Engineering Co. Ltd. providing feedback on the performance of their steering with tempered pads. | ||
| View original record | Y4094 Hs/Rm.3/KT. April 26th 1933. The Adamant Engineering Co, Ltd, Dallow Road, Luton. For the attention of Comndr. Matravers. Dear Sirs, With reference to your letter of the 25th inst. We have been… | ||
| Scan171 | Letter from Adamant Engineering Company regarding the hardness of tempered hemispheres for steering gears. | ||
| View original record | X4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. TREADGOLD… | ||
| Scan172 | Letter from Adamant Engineering Company Limited proposing a follow-up meeting regarding a test. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 27.4.33. In connection with the test generally, we are wondering whether it would serve any useful purpose for the writer to come up and discuss the matter further… | ||
| Scan173 | Letter to Adamant Engineering regarding steering gear for a new Bentley car. | ||
| View original record | X4094 He/Rm.S/KT. May 1st 1933. The Adamant Engineering Co, Ltd, Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sirs, Thank you for your letter of the 27th April. We propose to carry… | ||
| Scan174 | Data for Weller steering for the Bentley. | ||
| View original record | DATA FOR WELLER STEERING FOR THE BENTLEY. Existing box ratio of Phantom to which Marles steering has already been fitted, 12.7-1. Best results on this car obtained with the Weller gear having 1.1/32"… | ||
| Scan175 | Letter from Adamant Engineering Company regarding the selection of a suitable steering gear for a Bentley car, discussing different gear types and referencing drawings. | ||
| View original record | X4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. TREADGOLD… | ||
| Scan176 | Letter from Adamant Engineering Company discussing gear specifications, efficiency, and offering sample parts. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. a 1" pitch Cam giving a helix angle of 11° 18 mins. and an average gear ratio of 12.45 to 1, and the other with 15/16" pitch where the helix angle is 10° 42 mins. and… | ||
| Scan177 | Testing and comparison of a new Bishop steering gear against other models. | ||
| View original record | Y4094 FILES ONLY To Sg. From Hs/Rm. C. WOR E. C. BY DA. C. HDY. Hs/Rm.1/KT.9.5.33. BISHOP STEERING GEAR. The Bishop steering gear people have now submitted a unit for us to test, with a 33% lower… | ||
| Scan178 | Further tests on a Bishop steering gear with an altered velocity ratio, detailing forward and reverse efficiency. | ||
| View original record | FURTHER TESTS ON BISHOP STEERING GEAR. The same tests as before were repeated, the gear having had its velocity ratio altered to approx. 14/1. Forward Efficiency. Drop arm radius:- 8". Radius of… | ||
| Scan179 | Follow-up letter from Adamant Engineering Company regarding suggestions for a Sports Bentley. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan180 | Dimensions and requirements for fitting a Marles Weller steering box and pendulum lever to a Bentley chassis. | ||
| View original record | x4094 To RHC. from Hs/Rm. Hs/Rm.6/KT.18.5.33. We thank you for Ex.11209 showing the dimensions of the Marles Weller steering box required to fit the Bentley chassis. We find that in order to get the… | ||
| Scan181 | Letter to Adamant Engineering Co Ltd discussing the feasibility and gear ratios for fitting a J.2. type steering to a Bentley vehicle. | ||
| View original record | XH094 Ms/Rn.7/KT. May 18th 1933. The Adamant Engineering Co Ltd, Dallow Road, Luton. For the attention of Comdr. Matravers. Dear Sirs, With reference to your letters of the 17th and 2nd. May, we have… | ||
| Scan182 | Page 2 of a letter to The Adamant Eng. Co. Ltd. regarding pendulum levers and steering box options. | ||
| View original record | -2- The Adamant Eng. Co. Ltd. In order to help the job, we are sending you both a 8.030" and 6.750" pendulum lever, so that you will have them available whatever further decisions we make. There is no… | ||
| Scan183 | Letter from Adamant Engineering Co. Ltd. regarding the receipt of a Drop Arm for which no instructions were received. | ||
| View original record | X4044 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan184 | Letter from Adamant Engineering Company discussing the feasibility and characteristics of manufacturing a special steering gear cam. | ||
| View original record | XU094- Telegrams: “ADAMANT, Phone, Luton.” CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan185 | Letter discussing gear design alternatives, including helix angles, gear ratios, and rockershaft dimensions. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 20.5.33. We think perhaps you will readily appreciate this point if you will imagine a rockershaft and follower being at an angle of 44½° from the vertical, and… | ||
| Scan186 | Letter from Adamant Engineering Company Limited regarding a 6¾' drop arm and a proposed meeting at the Derby works. | ||
| View original record | Messrs.Rolls-Royce Ltd. Contd 3. 20.5.33. the 8" arm, but we have not yet received the 6¾" drop arm. Perhaps you would like to see the writer at your Works in Derby to discuss the matter, and if so,… | ||
| Scan187 | Letter to The Adamant Engineering Co. arranging a visit. | ||
| View original record | X4094. Hs/Rm.S/KT. May 22nd 1933. The Adamant Engineering Co. Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sir, We shall be very pleased to see you at the Works on any day of this… | ||
| Scan188 | Letter from Adamant Engineering Company, Ltd. to arrange a meeting at the Rolls-Royce works. | ||
| View original record | X+094 Telegrams : "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone : LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan189 | Internal memorandum discussing the performance and cost issues of a new steering design and recommending alternatives. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to E. c. to Da. c. to By. COST HS.5/WJ.23.5.33. R.R. TYPE MARLES WELLER STEERING. We have produced a steering to E's. design. This is a very much more expensive design… | ||
| Scan190 | Letter to The Adamant Engineering Co. Ltd confirming an appointment with Commander Matravers. | ||
| View original record | FOR ROLLS ROYCE LIMITED. X4094 Hs/Rm.9/KT. May 24th 1933. The Adamant Engineering Co. Ltd, Dallow Road, Luton. Dear Sirs, We thank you for your letter, ref. HAN/AGS/CB. of the 23rd. inst. We shall be… | ||
| Scan191 | Drawing of a Marles-Weller J Type steering box, drawing GA 2450, adapted for a Bentley chassis. | ||
| View original record | Ex 11209 32.000 ±25 MIN PERMISSIBLE BORE = .712 1.748 DIA .058R -10 TUBE TO BEM/C TO .874 DIA FOR A DISTANCE OF 4.000 2.700 ±10 3.843 (UNALTERED) LIMITS EXPRESSED IN THOUSANDTHS OF AN INCH MARLES -… | ||
| Scan192 | Diagram illustrating the angular movement of a drop arm for a Marles steering box on a Bentley. | ||
| View original record | Ex 11226 VIEW IN DIRECTN OF ARROW ANGULAR MOVEMENT OF DROP ARM - MARLES STG. BOX ON BENTLEY 14° 61° STG. BOX TO EX. 11209 DROP ARM EX 11212 SLOTTED TO GIVE THESE ANGLES ROLLS-ROYCE, LTD. PRINT ROOM 18… | ||
| Scan193 | Efficiency tests on a Marles Weller type steering worm and nut using different lubricants. | ||
| View original record | Elliott Rolls Royce MARLES WELLER TYPE STEERING WORM AND NUT EFFICIENCY TESTS Left Margin Note: X-J-54 TABLE DATA: Column Headers: LOAD IN LBS, CASTROL R, WHITMORES COMPOUND, AMBER 'A', P 4 OIL, STD… | ||
| Scan194 | Technical memorandum discussing issues with fitting Marles Weller steering components and proposing alternative damping solutions. | ||
| View original record | K2094 To Sg. from E. c. Wcr. Hs. By. Ba. RR. type Marles Weller Steering. Referring to Hs.5/MJ.23.5.33, we should like to point out that we were only able to make a thread and nut with Marles Weller… | ||
| Scan195 | Note on American self-damping steering boxes and the potential for axle flutter at Brooklands. | ||
| View original record | - 2 - E.4/HP.24.5.33. ------------ The Americans use a self damping box but retain the side steering tube springs. This is also unpleasant as the axle may be fluttering without the driver knowing it,… | ||
| Scan196 | Letter from Adamant Engineering Company, Limited confirming an appointment. | ||
| View original record | X4094. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan197 | General arrangement of Marles Steering Gear L7 type RH. | ||
| View original record | TITLE BLOCK: GENERAL ARRANGEMENT OF MARLES STEERING GEAR L7 TYPE RH ADAMANT ENGINEERING CO LUTON REVISION HISTORY: 7/8 DIA OF BORE ON INNER COL. WAS .713 DIA 28.8.30 P2381 WAS P1236 15.9.30 NOTE RE… | ||
| Scan198 | Letter from Adamant Engineering Company regarding a 'J' Type Marles-Weller Steering Gear order. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan199 | Letter from CAM GEARS LTD. concerning the cost and invoicing of a special Bishop Steering Gear sample. | ||
| View original record | MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMM r P.W.KENT, R.N. RETd H. LEESE, R. PENTONY,… | ||
| Scan200 | Letter to The Adamant Engineering Co. discussing steering gear for Bentley and Phantom models. | ||
| View original record | X4094. Hs/Rn.7/KT. June 15th 1933. The Adamant Engineering Co. Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sirs, We thank you for your letter of June 13th. For policy reasons we… | ||
| Scan201 | Letter to The Adamant Eng. Co. regarding the fitting of a Marles steering gear to a Bentley chassis. | ||
| View original record | The Adamant Eng. Co. -2- steering which we adopt will have to make its first appearance on the Bentley. We should therefore like to try out the full Marles on the Bentley. As this car has horizontal… | ||
| Scan202 | Report on a Marles Weller steering gear before installation. | ||
| View original record | X4096. To RHC. from Hs/Rm. Hs/Rm.6/KT.15.6.33. MARLES WELLER STEERING GEAR. Before fitting the Marles Weller steering gear off 58-GN on to Sg's latest car, we should like to see it stripped and have a… | ||
| Scan203 | Letter to Cam Gears Ltd. regarding a Bishop Steering Gear, agreeing to a price and mentioning upcoming road tests. | ||
| View original record | ru094- Copy to ROY. Hs/Gry.8/KT. June 16th 1933. Messrs Cam Gears Ltd., Biscot Road Works, Luton. For the attention of Mr.Pentony. Dear Sirs, Re. Bishop Steering Gear. We thank you for your RP/CGS. of… | ||
| Scan204 | Letter from Adamant Engineering Company regarding the supply and specifications of Marles steering gear components for a Bentley car. | ||
| View original record | Y409/1 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan205 | Letter from Adamant Engineering Company suggesting a rockershaft movement for fitting a Marles Gear. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 16.6.33. In going into the matter of fitting the Marles Gear we would suggest a rockershaft movement of 60 to 62° be taken to arrive at the length of Drop Arm… | ||
| Scan206 | The acquisition of a 'Bishop' steering system for improvement purposes. | ||
| View original record | To Wor. From Hs. c. to Roy. 84094 Hs.2/MJ.20.6.33. Re. Steerings. In an endeavour to improve our steering gears we have obtained a 'Bishop' steering. We should like you to agree to the attached… | ||
| Scan207 | Issues with the Marles Weller steering system and considering it the worst feature on the big car. | ||
| View original record | Hs To Wor. From Sg. re RR.Type Marles Weller Steering. Copy to Hs:B. Referring to Hs.5/MJ.23.5.33 and E.4/HP.24.5.33 the description of what happened to the Marles Weller steering on 58-GW is not very… | ||
| Scan208 | Letter from Cam Gears Ltd. regarding an invoice for a sample steering gear and upcoming road tests. | ||
| View original record | MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. x+09P CAM GEARS LTD. DIRECTORS: COMMr P.W.KENT, R.N. RETd H.LEESE.… | ||
| Scan209 | The condition of a Marles Weller steering system after a 50-hour bumper test, noting a slight crack but continued functionality. | ||
| View original record | To Sg. From Hs. a. to Wcr. c. to E. c. to Ey. c. to Da. Hs.1/WJ.21.6.33. MARLES WELLER STEERING. Replying to Sg.14/..19.6.33. The Marles Weller steering in which we found the cracked balls was the one… | ||
| Scan210 | Letter from Adamant Engineering Company regarding a delay in dispatching a steering gear and a missing Drop Arm. | ||
| View original record | X4094! Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan211 | Requesting the dismantling of a Marles Weller steering unit from car 20-EX for inspection and return. | ||
| View original record | 8409P To RHC. from Hs/Rm. Hs/Rm.4/KT. 23.6.33. MARLES WELLER STEERING OFF 20-EX. Will you please dismantle the Marles Weller steering taken off 20-EX, so that we can have a look at it, and then pack… | ||
| Scan212 | Letter to Adamant Engineering Co Ltd. regarding the modification and issues with steering components. | ||
| View original record | X4094 Ha/Rm. 5/KT. June 23rd 1933. The Adamant Engineering Co Ltd., Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sirs, We are sending you the 1.3/32" pitch steering which we have… | ||
| Scan213 | Letter from Adamant Engineering Company regarding modifications and parts for steering gears, including a bent back plate. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). x 4094 ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan214 | Letter to Adamant Engineering Co. Ltd. thanking them for the prompt dispatch of a shorter drop arm. | ||
| View original record | K4094 Hs/Rn.10/KT. June 27th 1933. The Adamant Engineering Co. Ltd., Dallow Road, Luton. For the attention of Comndr. Matravers. Dear Sirs, Many thanks for your letter of the 26th inst., ref.… | ||
| Scan215 | Letter from Adamant Engineering confirming the dispatch of drop arms for a Bentley car. | ||
| View original record | [Handwritten note at top: Xucht] Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED… | ||
| Scan216 | Examination report on the poor finish of a Marles-Weller 20-EX steering component, suggesting alternative manufacturing methods. | ||
| View original record | To Hs/Rm. from RHC. X4094. RHC.4/BE6.7.33. Marles-Weller Steering - 20-EX The Marles-Weller Steering has been examined; the fulcrum pin and spherical pads are a poor finish, and cracked as shewn on… | ||
| Scan217 | Diagram showing cracks and chipping in contact pads on a Marles Weller steering system. | ||
| View original record | 20 Ex. CHASSIS 28 - 6 - 33 SHEWING CRACKS IN CONTACT PADS ON MARLES WELLER STEERING AFTER 3,312 MILES CRACK METAL CHIPPED CRACK SCALE: 3 : 1 ROLLS-ROYCE, LTD. PRINT ROOM JUN 26 1933 DERBY. AJS | ||
| Scan218 | Two invoices received from Adamant Engineering Co. without a corresponding purchase order. | ||
| View original record | Rm [unintelligible] Sec 949931 Roy. G/Gn/CA.24/JM.6.7.33 We have received two invoices from the Adamant Engineering Co. Lt., Luton, dated the 24th. and 26th. ulto, details of which are shown below. As… | ||
| Scan219 | Letter to Adamant Engineering concerning a steering conversion for a Phantom and issues with cracked hemispheres. | ||
| View original record | X 4094 Hs/Rm.6/KT. July 6th 1933. The Adamant Engineering Co. Ltd., Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sirs, We are sending you under separate cover the steering, which… | ||
| Scan220 | Examination report on the poor finish and manufacturing method of a Marles-Weller steering system. | ||
| View original record | C O P Y. RHC.4/BE6.7.33. Marles-Weller Steering. The Marles-Weller steering has been examined; the fulcrum pin and spherical pads are a poor finish, and cracked as shewn on attached sketch. Finish of… | ||
| Scan221 | Diagram illustrating cracks and chipping on contact pads for a Maples Weller steering system on a 20 Ex Chassis. | ||
| View original record | 20 Ex CHASSIS SHEWING CRACKS IN CONTACT PADS ON MAPLES WELLER STEERING AFTER 3312 MILES CRACK METAL CHIPPED CRACK SCALE: 3:1 ROLLS-ROYCE, LTD DWG. ROOM No. G. 1062 DERBY. AVS | ||
| Scan222 | Letter from Adamant Engineering Company acknowledging receipt of a letter and an Inspector's report, and awaiting a gear for examination. | ||
| View original record | X 4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan223 | Confirming the satisfactory fitting of a 'J' type steering gear and authorising invoice payment. | ||
| View original record | To ROY. from Hs/Rm. [Handwritten]: Xyoud Hs/Rm. 3/KT.11.7.33. With reference to memo. G/Gn/CA.24/JM.6.7.33., concerning a Marles-Weller "J" type steering gear, this was obtained on "Sale or Return".… | ||
| Scan224 | Dispatch instructions for sending a Marles Weller Steering part for examination to Adamant Engineering Co. Ltd. | ||
| View original record | To D/W. from RHC/E.M. c.c. C/St. c. Hm. x5094 RHC/EM4/MS15.7.33. O/54307 We are sending into the Despatch Stores:- 1 - Marles Weller Steering. Will you please arrange to have this despatched by… | ||
| Scan225 | Advice note from Adamant Engineering Company, Ltd. acknowledging receipt of a returned steering gear. | ||
| View original record | X 5094. Telegrams : "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan226 | Letter from Adamant Engineering Company regarding alterations to a steering gear cam ratio and a smaller steering sample for a Bentley. | ||
| View original record | Telegrams: 'ADAMANT, Phone, Luton.' CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). [STAMP: NATIONAL SCHEME FOR DISABLED MEN] ADAMANT ENGINEERING COMPANY,… | ||
| Scan227 | Letter from the Experimental Department to Adamant Engineering regarding steering performance on Bentley and Phantom models. | ||
| View original record | X+- Experimental Dept. Hs/Rm.9/KT, Sept. 2nd 1933. The Adamant Eng. Co, Ltd., Dallow Road, Luton. For the attention of Comndr. Matravers. Dear Sirs, Thank you for your leter of the 23rd ult. The… | ||
| Scan228 | Letter from Cam Gears Ltd. requesting a report on the testing of a sample Bishop Steering Gear. | ||
| View original record | MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. Handwritten note: v5094. CAM GEARS LTD. DIRECTORS: COMMY H.W.KENT, R.N. RETD… | ||
| Scan229 | Letter from Adamant Engineering Company regarding a sample of Vacuum Mobiloil lubricant for steering gears. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan230 | Letter from Adamant Engineering Company discussing the suitability of Marles vs. Marles-Weller steering gears for Bentley and Phantom cars. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan231 | Letter from Adamant Engineering Company regarding steering box oil viscosity and hemisphere cracking on a Bentley car. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 8.9.33 design and we trust we shall hear from you that you are prepared to try out a sample on the Bentley car. As regards the first paragraph of your letter we have… | ||
| Scan232 | General arrangement of Marles steering gear L7 type RH. | ||
| View original record | GENERAL ARRANGEMENT of MARLES STEERING GEAR L7 TYPE RH REVISIONS: ISSUE A: .712 DIA OF BORE ON INNER COL WAS .707 DIA, DATE: 25-8-30 ISSUE B: P.2331 WAS P.1234, DATE: 13-10-30 ISSUE C: NOTE RE OUTER… | ||
| Scan233 | Letter to Adamant Engineering Co. Ltd. discussing steering gear tests for Bentley and Phantom models. | ||
| View original record | Experimental Dept. Hs/Rm. 2/KT. Sept. 20th 1933. The Adamant Engineering Co. Ltd., Dallow Road, Luton. For the attention of Comdr. Matravers. Dear Sirs, We thank you for your letter of the 8th Sept.… | ||
| Scan234 | Letter from Adamant Engineering Company regarding steering gears for Bentley and Phantom models. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). X4094. ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan235 | Letter from the Experimental Department inviting an engineer to test drive a Bentley to demonstrate its worm and nut steering system. | ||
| View original record | X 49+ Experimental Dept. Hs/Rm.3/KT. Sept 29th 1933. Engr. Lt-Commander Matravers, Adamant Engineering Co. Ltd., Dallow Road, Luton. Dear Commdr. Matravers, Thank you for your letter of the 27th inst.… | ||
| Scan236 | Letter from Adamant Engineering Company to W. A. Robotham regarding an invitation to drive a Bentley car. | ||
| View original record | x4094 Telegrams : "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). [Logo: Marles Patented] ADAMANT ENGINEERING COMPANY, LIMITED… | ||
| Scan237 | Letter from Cam Gears Ltd. regarding a visit to discuss a sample steering gear. | ||
| View original record | X4094 . MANUFACTURERS OF THE BISHOP PATENT STEERING GEAR IN ASSOCIATION WITH GEORGE KENT LTD REG. OFFICE, 199, HIGH HOLBORN, W.C.1. CAM GEARS LTD. DIRECTORS: COMME R.W.KENT, R.N. RET'D H.LEESE… | ||
| Scan238 | Letter from Adamant Engineering Company requesting the date of first use of an oscillating ball bearing assembly for patent negotiations. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||
| Scan239 | Letter to The Adamant Engineering Co. regarding a query on a steering column thrust race. | ||
| View original record | X409e. Experimental Dept. Hs/Rm.16/KW. 20th December, 1933. Mr. Matravers, The Adamant Engineering Co., LUTON. Dear Matravers, With reference to your query regarding the thrust race on our steering… | ||
| Scan240 | Three blueprints for a spherical ball bearing in the steering gear unit. | ||
| View original record | Hs/Rm. BY. 2/G. 21.12.33. BEARING STEERING GEAR - RE: SPHERICAL BALL AT TOP OF THE FIXED COLUMN OF THE STEERING UNIT. I am sending you herewith three blueprints Nos. 3973, 5761 and 6498, the latter… | ||
| Scan241 | Letter to Adamant Engineering Co. Ltd. providing blueprints and details for early steering components. | ||
| View original record | Y 4094 Expl. Dept. Hs/Rm.4/MJ. 22nd. December 1933. Engr. Lt-Commander Matravers, Adamant Engineering Co. Ltd., Dallow Road, Luton. Dear Commdr. Matravers, Further to your letter of the 15th.inst., I… | ||
| Scan242 | Letter from Adamant Engineering Company acknowledging receipt of a letter and enclosures from W.A. Robotham. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD &… | ||