Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Letter from Adamant Engineering Company Ltd. to W.A. Robotham regarding the receipt of letters and drawings. | ||
| 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 &… | ||
| Scan002 | Letter from Cam Gears Ltd. following up on the testing of a Bishop Patent 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. X4094 CAM GEARS LTD. DIRECTORS: COMME F.W.KENT, R.N. RETD H.LEESE.… | ||
| Scan003 | Letter to The Adamant Engineering Co. Ltd. requesting a drawing for a smaller 'Marles' type steering box for an Experimental 25 HP car. | ||
| View original record | x4094 Exptl. Dept. Hs/FJH.20/KW. 12th September, 1934. The Adamant Engineering Co.Ltd. Dallow Road, LUTON. For the attention of Comndr. Matravers. Dear Sirs, We wish to fit a "Marles" type steering… | ||
| Scan004 | Letter from Adamant Engineering Company regarding the suitability of a D.7 Marles steering gear for an experimental 25-HP car. | ||
| 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 &… | ||
| Scan005 | General arrangement of a Marles D7 Type PH steering gear assembly. | ||
| View original record | GENERAL ARRANGEMENT OF MARLES STEERING GEAR D7 TYPE PH REVISION TABLE: .587 DIA OF BORE ON INNER COLUMN WAS .582 DIA 29-8-30 NOTE RE OUTER TUBE WAS ADDED 8.11.30 37/64 DIA ADDED TO HOLE 9-2-31 LABELS… | ||
| Scan006 | Order to be placed with Adamant Engineering Co. for a Marles Steering component. | ||
| View original record | To Roy. X850 [crossed out] 4094 Hs/Rm.10/KW.17.9.34. Will you please pass an order to the Adamant Engineering Co., Luton, Bedford, for - 1. Marles Steering, type L.7, less steering wheel and controls.… | ||
| Scan007 | Instructions for fitting a Marles steering column to a 20/25 HP chassis and an urgent request for a pendulum lever. | ||
| View original record | To RHC. 4094 Hs/FJH.8/KW.17.9.34. Marles Steering on 20/25 HP. We are sending you instructions for fitting a Marles steering column to a 20/25 HP. chassis, ref. Hs/Rm.7/KW.17.9.34. We attach a sketch… | ||
| Scan008 | Decision to replace an unsatisfactory La Salle steering with a Marles gear and a request for sketches of adapting pieces. | ||
| View original record | To RHC. + [strikethrough text] 4094 [handwritten] Hs/Rn.7/KW.17.9.34. 21-G-IV. Since the La Salle steering is not satisfactory with this car we have decided to fit a Marles gear. We attach a sketch,… | ||
| Scan009 | Letter to Adamant Engineering Co. Ltd. regarding the replacement of a D.7 size steering column with a larger L.7 size on a 25 HP chassis. | ||
| View original record | 24094 Exptl. Dept. Hs/FJH.19/KW. 17th September, 1934. Your Ref: SCS/AGS/CB. The Adamant Engineering Co.Ltd., Dallow Road, LUTON. For the attention of S. Carlton Smith Esq. Dear Sirs, We thank you for… | ||
| Scan010 | Letter discussing requirements for attaching a steering column to a Marles box and requesting further prints. | ||
| View original record | -2- Hs/FJH.19/KW.17.9.34: If you have any criticism of our proposals we should be very glad if you would let us know! For the purpose of attaching an R.R. column we shall require not less than 18" of… | ||
| Scan011 | Letter from Adamant Engineering Company confirming a verbal order for a Marles Steering Gear for an experimental 25-HP chassis. | ||
| 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 &… | ||
| Scan012 | To Roy regarding a price correction on an invoice for Adamant Steering. | ||
| View original record | x4094 To Roy. Hs/Rn.6/KW.18.9.34: Further to our memo. Hs/Rn.10/KW.17.9.34. about the Adamant Steering, here is an invoice from these people. Apparently we made a mistake and the figure they quoted us… | ||
| Scan013 | Letter from Adamant Engineering Company regarding the fitment of a steering box to a 25-HP chassis. | ||
| View original record | X4094 Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). [Logo: National Scheme for Disabled Men] ADAMANT ENGINEERING… | ||
| Scan014 | Page two of a letter from Adamant Engineering Company Limited regarding a standard L7 R.H. Steering Column print. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd. 2. is parallel throughout its length. Your other remarks are noted and will be carefully attended to. We have pleasure in enclosing herewith, as requested, a further… | ||
| Scan015 | General arrangement of Marles Steering Gear L7 Type RH. | ||
| View original record | GENERAL ARRANGEMENT OF MARLES STEERING GEAR L7 TYPE RH GA 2325 REVISION HISTORY: .718 DIA OF BORE ON INNER COL WAS .707 DIA P2381 WAS P1236 29-8-30 NOTE RE OUTER TUBE ADDED 7-11-30 3/4" DIA ADDED TO… | ||
| Scan016 | Telegram from Robotham to Carlton-Smith enquiring about the dispatch of a Marles steering component. | ||
| View original record | x x4094 21.9.34. CARLTON-SMITH, ADAMANT, PHONE, LUTON. ANXIOUSLY AWAITING ARRIVAL OF MARLES STEERING PLEASE STATE WHEN DESPATCHED. ROBOTHAM, ROYCAR; | ||
| Scan017 | Telegram advising of a delayed delivery for a special box due to alterations. | ||
| View original record | ROBORHAM C/O ROYCAR DERBY = REPLYING YOUR TELEGRAM QUOTED DELIVERY FRIDAY 21 ST FIND HOWEVER OWING ALTERATIONS SINCE RECEIVING YOUR DRAWING MUST MAKE UP SPECIAL BOX CAN DELIVER TUESDAY 25. TH WILL… | ||
| Scan018 | Telegram to Adamant, Luton, regarding the dispatch of a Marles steering box. | ||
| View original record | x4094 27.9.34. ADAMANT, PHONE, LUTON. PLEASE SAY WHETHER MARLES STEERING BOX DESPATCHED YET. IF NOT WHEN IT WILL ARRIVE. ROYCAR. | ||
| Scan019 | Telegram received by telephone regarding a consultation with Mr. H. Royce. | ||
| View original record | ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. x4094 Stamp: RECEIVED MD 27 SEP Stamp: RECEIVED Time Received: 12.13 Date: 27.9.34 To: Roycar By: Hs from: Luton 11.41 Your telegram please consult 'Mr… | ||
| Scan020 | Despatch request for a Pendulum Lever to be sent to Adamant Engineering Co. | ||
| View original record | 4094 D/BP. c. to Roy. c. to G/Mt. Ha/Rm.15/KW.28.9.34. Will you please despatch to the Adamant Engineering Co., Dallow Road, Luton :- 1. Pendulum Lever. TRAIN. Will you please send this by PASSENGER… | ||
| Scan021 | Letter to Adamant Engineering Co. Ltd. regarding the dispatch of a Drop Arm for a steering box. | ||
| View original record | x4094 Exptl. Dept. Hs/Rm.16/KW. 28th September, 1934. The Adamant Engineering Co.Ltd., Dallow Road, LUTON. Dear Sirs, We have to-day despatched to you by passenger train the Drop Arm which you require… | ||
| Scan022 | Letter from Adamant Engineering Company confirming receipt of a Drop Arm and advising it will be returned by post. | ||
| 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.… | ||
| Scan023 | The mechanical efficiency of a Marles Type L.7. R.H. Steering Box. | ||
| View original record | X4094 11.10.34: Mechanical Efficiency of Marles Type L.7. R.H. Steering Box. The figures given below were taken on the steering box as received from the makers, i.e., before it had been run in. It was… | ||
| Scan024 | Data table showing pendulum lever load, torque, wheel torque, and efficiency for forward and reverse drive. | ||
| View original record | -2- Pendulum Lever Load - lbs. | Pendulum Lever Torque lbs/ins. | Wheel Torque lbs/ins. | Efficiency. ---|---|---|--- | | Forward Drive | Reverse Drive | Forward Drive | Reverse Drive 50 | 509 | 68.0… | ||
| Scan025 | Mechanical efficiency of a La Salle steering box under static conditions. | ||
| View original record | COPY 11.6.34 Mechanical Efficiency of La Salle Steering Box. The table below shows the efficiency of the La Salle steering box measured in forward and reverse drive under static conditions. The ratio… | ||
| Scan026 | Letter to Adamant Engineering Co. Ltd. discussing efficiency tests on a Marles steering gear compared to an American 'Saginaw' gear. | ||
| View original record | X4014 Exptl. Dept. HS/FJH.25/KW. 18th October, 1934. The Adamant Engineering Co.Ltd., Dallow Road, LUTON. For the attention of S. Carlton Smith Esq. Dear Sirs, We have carried out some efficiency… | ||
| Scan027 | Addition of friction to a steering column via a spring-loaded gland to reduce road shocks. | ||
| View original record | -2- HS/FJH.25/KW.12.10.34. For the purpose of reducing road shocks we believe that it is desirable that the load required at the end of the pendulum lever to start the gear with the steering wheel… | ||
| Scan028 | Letter from Adamant Engineering Company discussing the efficiency of the L7 steering gear and the use of needle bearings. | ||
| View original record | Handwritten: Hardy, x4094, 1 Telegrams: 'ADAMANT, Phone, Luton.' CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED… | ||
| Scan029 | Letter from Adamant Engineering regarding the design of a steering column, specifically the addition of friction using multi-shims. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 13.10.34. phosphor bronze bearings which we have standardised. As regards the adding of friction to the Steering Column, we have no experience with an arrangement on… | ||
| Scan030 | Letter to The Adamant Engineering Co. Ltd. regarding the efficiency testing of a gear. | ||
| View original record | x4094 Exptl. Dept. Hs/FJH.24/KW. 15th October, 1934. The Adamant Engineering Co.Ltd., Dallow Road, LUTON. Your Ref: FGM/AGS/CB: For the attention of Comdr. Matravers. Dear Sirs, We thank you for your… | ||
| Scan031 | Double-toothed Marles Steering system with Adamant Engineering Co. | ||
| View original record | {GRY {Hdy. x4094 To Er from Da. Da.2/HP.17.10.34. c. Hs/Rm. Ngr, Hdy Marles Steering. I saw Mr Maltravers of the Adamant Engineering Co. and discussed the double-toothed Marles Steering with him. He… | ||
| Scan032 | Letter from Adamant Engineering Company regarding the 'L7' gear and efficiency tests. | ||
| 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.… | ||
| Scan033 | Letter to the Adamant Engineering Co. Ltd. regarding the heavy steering of an L.7 Type Steering Gear and requesting modifications. | ||
| View original record | 84094 Expl. Dept. Hs/Hdy.5/MJ. 31st. October, 1934. The Adamant Engineering Co. Ltd., Dallow Road, Luton. Dear Sirs, For the attention of Comdr. Matravers. We have just given your L.7 Type Steering… | ||
| Scan034 | Letter from Adamant Engineering Company discussing the specifications and efficiency of L7 Marles 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. TREADGOLD &… | ||
| Scan035 | Letter from Adamant Engineering comparing the features and potential efficiency of Marles Gear versus Worm and Nut steering. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 1.11.34. We would like to point out, however, that there is one feature in the Marles Gear which is not present in an ordinary Worm and Nut type of Steering, such as… | ||
| Scan036 | Letter to The Adamant Engineering Co. regarding the specifications and testing of a new steering cam. | ||
| View original record | 44094 Exptl. Dept. Hs/FJH.12/KW. 2nd November, 1934. The Adamant Engineering Co., Dallow Road, LUTON. Your Ref: FGM/AGS/CB. Dear Sirs, For the attention of Comndr. Matravers. We thank you for your… | ||
| Scan037 | Letter from Adamant Engineering Company acknowledging receipt of a letter and awaiting a gear. | ||
| View original record | 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.… | ||
| Scan038 | Letter from Adamant Engineering Company regarding a meeting to discuss a change in steering gear ratio. | ||
| View original record | 4409L 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.… | ||
| Scan039 | Letter to Adamant Engineering Co. Ltd. arranging a meeting to discuss altering a steering ratio and the manufacture of Marles steering. | ||
| View original record | X4094 Exptl. Dept. Hs/Rm.19/KW. 6th November, 1934. The Adamant Engineering Co.Ltd.,. Dallow Road, LUTON. For the attention of Comdr. Matravers. Dear Sirs, The Writer will be in Luton immediately… | ||
| Scan040 | General arrangement of a Marles Steering Gear, RH 1 7/8 type. | ||
| View original record | GENL ARRT OF MARLES STEERING GEAR RH 1 7/8 TYPE ADAMANT ENGINEERING CO LTD LUTON DRAWING NO MGA20620B DATE 16-3-34 DRAWN BY B.H. CHECKED Part/Reference Numbers: P 1756, P 2523, P 2520, M 20671, N… | ||
| Scan041 | Letter from The Rover Company Ltd regarding steering gear particulars. | ||
| View original record | London Service Depot, SEAGRAVE ROAD - FULHAM - LONDON - S.W.6. TELEPHONE: No 8081 (7 Lines) ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY AND NOT TO INDIVIDUALS Contractors to H.M. Government.… | ||
| Scan042 | Letter from Burman & Sons Ltd. regarding the technical particulars of the Burman-Douglas Steering Gear. | ||
| View original record | TELEPHONE: CALTHORPE 2641 (4 LINES). TELEGRAMS: BURMANTH B'HAM. BURMAN ESTABLISHED 1871. CABLES: A.B.C. 5TH EDITION. BURMAN & SONS LTD. BURMAN GEAR BOXES. BURMAN-DOUGLAS STEERING GEARS. CHAIRMAN ALD.… | ||
| Scan043 | Manual for the Burman Douglas Steering Gear. | ||
| View original record | THE BURMAN DOUGLAS STEERING GEAR x4094 | ||
| Scan044 | The reversal rig test of a Marles Steering Column Ex.16005. | ||
| View original record | COPY. x4094 To Rm: 10.11.34. Marles Steering Column Ex.16005. 21-G-IV. After being returned from the makers, the above was run on the reversal rig for a total of 7 hrs. at 574 reversals/min, using a… | ||
| Scan045 | Arrangement drawing for a Rover 1 inch steering gear. | ||
| View original record | 4-339, 2R/9 1/4"v (01159) = 7.000" Crs., 2R/9" x (01134) = 7.093" Crs., 2R/9" 1/4" (01135) = 7.125" Crs (CHAIN DOTTED), 2R/9" 5/8" (01160) = 7.000" Crs., 78° ANGULAR MOVEMENT, 46 5/8" (ASSEMBLY PART… | ||
| Scan046 | Letter to Messrs. Burman & Sons Ltd. requesting further details about their steering gear, specifically its efficiency and helix angle. | ||
| View original record | Exptl. Dept. Hs/Rn.4/KW. 12th November, 1934. Messrs. Burman & Sons Ltd., Ryland Road, Birmingham 15. Dear Sirs, We thank you for your letter of the 9th, together with details of your steering gear.… | ||
| Scan047 | Letter to The Rover Co. Ltd. regarding details of Burman-Douglas steering. | ||
| View original record | + 4094 Exptl. Dept. Ha/Rm.5/KW. 12th November, 1934. The Rover Co.Ltd., New Meteor Works, Coventry. For the attention of Mr. Jackson. Dear Sirs, Thank you for your letter of Nov. 10th. I have received… | ||
| Scan048 | Letter to The Adamant Engineering Co. Ltd. regarding the testing and efficiency of a Marles type L.7 steering gear on a 25 HP chassis. | ||
| View original record | 44094 Exptl. Dept: Hs/FJH.21/KW. 13th November, 1934. The Adamant Engineering Co.Ltd., Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sirs, We have now refitted the Marles type L.7… | ||
| Scan049 | Letter from Adamant Engineering Company discussing the gear ratio and efficiency of the L7 Gear for Marles-Weller steering gears. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). (Logo: NATIONAL SCHEME FOR DISABLED MEN) ADAMANT ENGINEERING COMPANY,… | ||
| Scan050 | Letter from Adamant Engineering discussing steering gear ratios and helix angles. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 14.11.34. 57 say that the lowest gear ratio that it is possible to fit in this steering, which limit is fixed by the strength of material between the tracks on the… | ||
| Scan051 | The modification of a Marles Type L.7 Steering Gear by the Adamant Engineering Co. | ||
| View original record | 44094 To Roy. Hs/FJH.5/KW.14.11.34 On Thursday last, the 8th inst., we took back to the Adamant Engineering Co., Luton, the Marles Type L.7 Steering Gear which they supplied to us recently. While we… | ||
| Scan052 | Request to manufacture a new, shorter pendulum lever for the Marles Steering Gear on Chassis 21-G-IV. | ||
| View original record | To RHC. x4094 Hs/FJH;24/KW.15.11.34. Marles Steering on 21-G-IV. Will you please make for the Marles Steering Gear on Chassis 21-G-IV a pendulum lever 9.500" long instead of the present 10.150" long… | ||
| Scan053 | Research into Marles steering for the Spectre project, comparing it with La Salle steering. | ||
| View original record | X4094 To Da. from Hs/Rm. c. to Wor. c. to E. c. to By. c. to GWH. Hs/Rm.7/KW.16.11.34. Spectre Steering. We visited the Works of the Adamant Engineering Co., where the Marles steerings are… | ||
| Scan054 | Comparing steering gear efficiency, discussing component manufacturing, and proposing tests for the Spectre model. | ||
| View original record | -2- Hs/Rm.7/KW.16.11.34. The greater efficiency of the La Salle appears to be attributable to their using ball thrust bearings at each side of the follower and a roller bearing on the column shaft. It… | ||
| Scan055 | The mechanical efficiency of a Marles Type L.7 Steering Gear for 25 HP. | ||
| View original record | EXPERIMENTAL DEPARTMENT 'REPORT REFERENCE :- Ha/PJH.10/KW.15.11.34. Subject of Report :- Mechanical efficiency of Marles Type L.7 Steering Gear for 25 HP. General Conclusions :- The mechanical… | ||
| Scan056 | The mechanical efficiency tests of the Marles Type L.7 steering gear on chassis 21-G-IV. | ||
| View original record | He/FJH.10/KW.18:11:34. Mechanical Efficiency of Marles Type L.7 Steering Gear on Chassis 21-G-IV. ---------------------------------------- We have recently carried out efficiency tests on the Marles… | ||
| Scan057 | The necessity of a long pendulum lever for the Marles type steering gear. | ||
| View original record | -2- Ha/FJH.10/KW.15.11.34. With the Marles type of steering gear the use of a relatively long pendulum lever, 10.150" in this case, is unavoidable without altering the length of the side steering… | ||
| Scan058 | Calculations for the approximate helix angle of 'La Salle' and 'Marles Type L.7' steering gears. | ||
| View original record | APPROXIMATE HELIX ANGLE OF STEERING GEARS. 'LA SALLE ESTIMATED DIMENSIONS OF GEAR RATIO 20:1 HELIX ANGLE = tan⁻¹ (1.625 x 2) / (1.250 x 20) = tan⁻¹ 0.130 = 7.4° MARLES TYPE L.7 DIMENSIONS SCALED FROM… | ||
| Scan059 | Blank page with a 'PRINT ROOM' stamp from Derby. | ||
| View original record | 78 ROLLS-ROYCE, LTD PRINT ROOM 15 NOV 1934 DERBY. | ||
| Scan060 | Graph showing the mechanical efficiency of a La Salle steering system against load. | ||
| View original record | MECHANICAL EFFICIENCY OF LA SALLE STEERING. BOX RATIO 20 : 1. HELIX ANGLE 7 : 4° REVERSE FORWARD STATIC EFFICIENCY IN MID POSITION. 80 70 60 50 40 30 0 100 200 300 400 LOAD AT PENDULUM LEVER - LBS. | ||
| Scan061 | Blank page with a purple stamp from the Print Room in Derby. | ||
| View original record | ROLLS-ROYCE, LTD PRINT ROOM NOV 16 1934 DERBY. | ||
| Scan062 | Graph showing the mechanical efficiency of a Marles Type L.7 steering gear. | ||
| View original record | HS 1605 MECHANICAL EFFICIENCY OF MARLES TYPE L.7 STEERING GEAR FIGURES TAKEN AFTER GEAR HAD BEEN RUN FOR 7 HOURS ON RIG MID POSITION RATIO - 7:1 PEND LEVER - 10.15 Helix Angle 10 2° STATIC EFFICIENCY… | ||
| Scan063 | Cover or backing sheet stamped by the Print Room. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM 15 NOV 1934 DERBY. | ||
| Scan064 | Comparison of the outlines of Marles Type L.7 and Gemmer Model 330 steering gears. | ||
| View original record | HS 1616 FULL LINE = MARLES TYPE L.7 DOTTED LINE = GEMMER MODEL 330 COMPARISON OF OUTLINES OF MARLES TYPE L.7 AND GEMMER MODEL 330 STEERING GEARS. SCALE 1/1 ROLLS ROYCE, LTD. PRINT ROOM NOV 18 1924… | ||
| Scan065 | Blueprint of a left-hand steering assembly with a ratio of 20.25 to 1. | ||
| View original record | IMPORTANT NOTE: SWAB WORM ROLLER, RACES AND WORM THREAD WITH GREASE APPROVED BY ENGINEERING DEPT. BEFORE ASSEMBLING. GEARS TO BE SHIPPED WITHOUT FILLING HOUSING WITH GREASE. FOR LEFT HAND STEERING… | ||
| Scan066 | Letter from Burman & Sons Ltd. discussing the specifications of a Burman-Douglas steering gear. | ||
| View original record | TELEPHONE: CALTHORPE 2641 (4 LINES). TELEGRAMS: BURMANTH B'HAM. BURMAN ESTABLISHED 1871. CABLES: A.B.C. 5TH EDITION. BURMAN & SONS LTD. BURMAN GEAR BOXES. BURMAN-DOUGLAS STEERING GEARS. CHAIRMAN ALD.… | ||
| Scan067 | Letter from Burman & Sons, Ltd. regarding comparative gear efficiency. | ||
| View original record | BURMAN & SONS, LTD. 14-12-34. CONTINUATION No. 1. Messrs.Rolls-Royce, Ltd., D E R B Y. .. If there are any further particulars you would like, we should be only too pleased to give them to you, and… | ||
| Scan068 | Internal request to place an order with Adamant Engineering Co. for a modified experimental steering gear. | ||
| View original record | 4094 To Roy. From Hs/Hdy. Hs/Hdy.2/MJ.16.11.34. Will you please send an official order to the Adamant Engineering Co. Ltd., Dallow Road, Luton, for one Marles Steering Gear Type L.7 R.H. to the… | ||
| Scan069 | Letter to Adamant Engineering Co. Ltd. detailing the specifications for a new Type L.7 R.H. steering gear for a 25 HP chassis. | ||
| View original record | 84094 Expl. Dept. Hs/Hdy.1/MJ. 16th. November, 1934. Your Ref: FGM/AGS/CB. The Adamant Engineering Co. Ltd., Dallow Road, Luton. Dear Sirs, For the attention of Comdr. Matravers. We thank you for your… | ||
| Scan070 | Letter discussing the use of a special oil for testing and running in an L.7 gear. | ||
| View original record | -2- supplies of the special oil of which you gave us a sample. We used rather a lot of this oil when testing and "running in" our L.7 gear. Yours truly, For Rolls-Royce Ltd. | ||
| Scan071 | Letter from Adamant Engineering Company regarding the production of an L7 Gear, a drop arm, and gear oil. | ||
| View original record | Telegrams : "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone : LUTON 1818 (2 Lines). [Logo: NATIONAL SCHEME FOR DISABLED MEN] ADAMANT ENGINEERING COMPANY,… | ||
| Scan072 | Page two of a letter from Adamant Engineering Company Limited. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 19.11.34. Assuring you of our best attention at all times, We are, Yours faithfully, for ADAMANT ENGINEERING COMPANY LIMITED. [Signature] Director. [Watermark:… | ||
| Scan073 | Letter to Cadillac Motor Car Co. inquiring about the advantages of American-style steering gears. | ||
| View original record | Exptl. Dept. 4094 HS/FJH.10/KW. 19th November, 1934. M. Olley, Esq., c/o. The Cadillac Motor Car Co., Detroit, Michigan, U.S.A. Dear Sir, We are at present making efforts to improve the steering of… | ||
| Scan074 | Capacity of a Saginaw steering gear and requesting specifications for Cadillac and La Salle steering cams. | ||
| View original record | -2- Hs/FJH.10/KW.19.11.34. There is a further point on which we are not clear. We have, over here, a Saginaw steering gear taken from a 1934 model La Salle. We believe that the weight of the front end… | ||
| Scan075 | Ordering and fitting of a Marles Steering Gear and the fabrication of pendulum levers for chassis GUB-V. | ||
| View original record | 44094 To RHC. Hs/FJH.11/KW.19.11.34. Marles Steering Gear for Wor's Car. We have ordered a second Marles Type L.7 Steering Gear which we want to be fitted to Wor's car, chassis GUB-V. Will you please… | ||
| Scan076 | Helix angle of Cadillac steering and comparing its shock immunity to La Salle steering. | ||
| View original record | x4094 To E. c. to Wor. c. to Da. c. to Hy. Hs/Rm.4/KW.22.11.34. We have just received the following cable from Olley in response to our telegram asking him for details of the helix angle on the… | ||
| Scan077 | Urgent request via telegram to Adamant in Luton for a second L.7 gear. | ||
| View original record | x4094 28.11.34. ADAMANT, PHONE, LUTON. WHEN SHALL WE RECEIVE SECOND L. 7 GEAR THIS NOW URGENTLY REQUIRED. HARDY, ROYCAR. | ||
| Scan078 | Telegram received by telephone regarding the dispatch of a 'second LY gear'. | ||
| View original record | H S/P H ROLLS-ROYCE LTD. x4094 TELEGRAM RECEIVED BY TELEPHONE. Time Received 12.58 Date 28.11.34 To Hardy Raycar Derby By JW from Luton 12.30 second LY gear leaving early next week RECEIVED MD 28 NOV… | ||
| Scan079 | Development of the Spectre steering system, referencing Cadillac and La Salle steering. | ||
| View original record | To E. from Hs/Rm. c. to Nor. c. to Da. 44094 Hs/Rm.4/RB.3.12.34. Spectre Steering. We have been endeavouring to get a steering for the Spectre similar to that fitted to the Cadillac 16, in order that… | ||
| Scan080 | Comparison table of data for various types of 25 HP steering gear. | ||
| View original record | Hs/FJH.12/KW.7.1.35. 25 HP. STEERING GEAR DATA. | Type of Steering Gear. | R.R. | | Marles 15/1 | | Marles 17.5/1 | | Marles 20.5/1 | | | Standard | | | | | | | | | Pendulum Lever Length - ins. |… | ||
| Scan081 | Comparison table of specifications for various types of steering gear. | ||
| View original record | -2- Hs/H.12/KW.7.1.35. Type of Steering Gear | R.R. | Marles 15/1 | Marles 17.5/1 | Marles 20.5/1 Lock to Lock Ratio Stg. Wheel to Road Wheels. | 11.9/1 | 12.8/1 | 12.2/1 | 12.95/1 | 14.3/1 | 15.3/1 |… | ||
| Scan082 | Mechanical efficiency test results for a Marles Weller Q Type Steering Gear. | ||
| View original record | x4094 HS/FJH.12/KW.11.12.34. Mechanical Efficiency of Marles Weller Q Type Steering Gear. The Steering Gear on which the following efficiency tests were carried out is one of the two Q type Marles… | ||
| Scan083 | Note on the efficiency of steering gears and the time taken for an oil film to squash out under load. | ||
| View original record | -2- Hs/FJH.12/KW.11.12.34. It was noticed that the efficiency of the gear was considerably greater than the above figures immediately after the application of the load due to the presence of an oil… | ||
| Scan084 | Modifications for the Spectre Marles type steering column and a related clearance issue. | ||
| View original record | Don Hardy x4094 To Dr. from Da. Da.2/HP.14.12.34. C. Wor. Er. Hs. RMC. Wey. Spectre Marles type Steering Column. Herewith is N. Sch.4280 showing the slight modifications to the floorboard and… | ||
| Scan085 | Follow-up letter to Adamant Engineering Co. Ltd. regarding the progress on a double tooth type steering for a Bentley and a new large hourglass worm steering gear. | ||
| View original record | K4094 Exptl. Dept. HS/Rm.21/KW. 31st December, 1934. Commdr. Matravers, The Adamant Engineering Co.Ltd., Dallow Road, LUTON. Dear Commdr. Matravers, You will recollect that last time we came over to… | ||
| Scan086 | Letter from Adamant Engineering Company acknowledging a letter concerning steerings. | ||
| View original record | 4094 AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). NATIONAL SCHEME FOR DISABLED MEN (Logo) THE SOCIETY OF… | ||
| Scan087 | Despatch of a Pendulum Lever to the Adamant Engineering Co. for splining. | ||
| View original record | To. Roy. from RHC. c. S/Insp. c.c. S/Dr. c. Hs/P.J. Hardy. X4094 RHC.1/MS5.1.35. O/54105 We are sending into the Stores for despatch to the Adamant Engineering Co., Dallow Road, Luton:- 1 - Ex.16767… | ||
| Scan088 | Data table comparing different types of 25 HP steering gear. | ||
| View original record | 44094 Hs/FJH.12/KW.7.1.35. 25 HP. STEERING GEAR DATA. Type of Steering Gear. R.R. Marles 15/1 Marles 17.5/1 Marles 20.5/1 Standard .. Pendulum Lever Length - ins. 8.250 7.600 10.15 9.50 10.15 9.50… | ||
| Scan089 | Comparison table of specifications for different types of steering gear. | ||
| View original record | -2- Hs/FJH.12/KW.7.1.35. Type of Steering Gear | R.R. | Marles 15/1 | Marles 17.5/1 | Marles 20.5/1 Lock to Lock Ratio Stg.Wheel to Road Wheels. | 11.9/1, 12.8/1 | 12.2/1, 12.95/1 | 14.3/1, 15.3/1 |… | ||
| Scan090 | Request to fit a side steering tube with limited movement and increased set up load on Wor's car. | ||
| View original record | To RHC. x4094 Hs/FJH.3/KW.18.1.35. Marles Steering on Wor's Car. We wish to try a side steering tube on Wor's car, GUB-5, with limited movement and increased set up load to Ex.16585/6/7/8/9, as has… | ||
| Scan091 | The lower ratio Marles type steering on Wor's car. | ||
| View original record | To Sg. from Hs/Rm. c. to Wor. X4094 Hs/Rm.2/KW.2.2.35. Marles Type Steering on Wor's car. - in x7960 Replying to Sg.10/E.30.1.35. The steering on this car is of a lower ratio and we think a better… | ||
| Scan092 | Letter to The Adamant Engineering Co. Ltd. regarding the modification of a steering part. | ||
| View original record | 4094 Exptl. Dept. Hs/Rm.28/KW. 4th February, 1935. Commander Matravers, The Adamant Engineering Co.Ltd., Dallow Road, Luton. Dear Comdr. Matravers, I am proposing to come over on Thursday instead of… | ||
| Scan093 | Letter from Adamant Engineering Company regarding arrangements for gear parts. | ||
| View original record | AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). [Logo: NATIONAL SCHEME FOR DISABLED MEN] ADAMANT ENGINEERING… | ||
| Scan094 | Letter to Adamant Engineering Co. Ltd. confirming arrangements for steering parts. | ||
| View original record | x4094 Exptl. Dept. HS/Rn.20/KW. 6th February, 1935. Commander Matravers, The Adamant Engineering Co.Ltd., Dallow Road, Luton. Dear Commander Matravers, Thank you for your letter of the 5th February.… | ||
| Scan095 | Taking a steering gear from car 21-G-IV to the Marles Company to have the ratio changed. | ||
| View original record | To. RHC. +4094 Hs/Rm. 2/KW. 7.2.35. Steering on 21-G-IV. I am proposing to take this steering down to the Marles Company to-morrow, Friday the 8th inst., for the ratio to be changed to the same as… | ||
| Scan096 | Letter from Adamant Engineering Company regarding the supply of Cams and Rollers for order 75967, and a note on a centre bore issue. | ||
| View original record | 440941 AD FORM 93. CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telegrams : "ADAMANT, Phone, Luton." Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating… | ||
| Scan097 | Letter from Adamant Engineering Company confirming a meeting with Mr. Robotham. | ||
| View original record | 44094 AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines) ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J.… | ||
| Scan098 | Copy of a telegram confirming despatch of parts for order 75967. | ||
| View original record | TELEGRAMS: ADAMANT. PHONE. LUTON. TELEPHONE: LUTON 1818-1819 AD-Form 22. ADAMANT ENGINEERING COMPANY, LIMITED, DALLOW ROAD. LUTON, BEDS. 7th February, 1935 COPY OF TELEGRAMS Passed to-day between… | ||
| Scan099 | Letter to The Adamant Engineering Co. Ltd. outlining decisions on a double tooth gear for a Bentley. | ||
| View original record | x4094 Exptl. Dept. HS/PJH.17/KW. 11th February, 1935. Commdr. Matravers, The Adamant Engineering Co,Ltd., Dallow Road, Luton. Dear Sir, We thank you for your letter of the 8th inst., and have noted… | ||
| Scan100 | Typed letter clarifying specifications for a steering gear part and confirming an upcoming order. | ||
| View original record | -2- (5) It would help us if you could supply us with a top cover, No. M.20718, 1.000 longer than shown on your drawing, and also let us know to what dia. you are going to turn the outside of this… | ||
| Scan101 | Request to pass an official order to The Adamant Engineering Co. Ltd. for a Double Tooth Steering Gear for a Bentley. | ||
| View original record | To Roy. +4094 Hs/FJH.1/KW.12.2.35. Will you please pass an official order to The Adamant Engineering Co.Ltd., Dallow Road, Luton, for One 1-7/16 type Double Tooth Steering Gear for the Bentley, in… | ||
| Scan102 | The requirements for fitting a Marles steering gear to a Bentley chassis. | ||
| View original record | XC994 To RHC. Hs/FJH.12/KW.12.2.35. Marles Steering On Bentley. We have ordered from the Adamant Engineering Co. a 1-7/16 Type Double Tooth Marles Steering Gear for trial on a Bentley chassis. Will… | ||
| Scan103 | Modifications required for Marles and Peregrine steering tubes. | ||
| View original record | -2- Hs/FJH.12/KW.12.2.35. (7) Owing to the small dia. (0.587) of the bore of the Marles steering tube, it will be necessary to omit the outer control tube as at present on R.R., and use the next… | ||
| Scan104 | Letter from Adamant Engineering Company regarding L7 Gears, related drawings, and an upcoming meeting. | ||
| View original record | x4094 AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J.… | ||
| Scan105 | Letter from Adamant Engineering Company confirming an appointment to discuss L.7 Steering parts. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. AD FORM 93. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan106 | Letter from Adamant Engineering Company regarding specifications and arrangements for a steering gear order. | ||
| View original record | HARDY X4094 AD FORM 93. CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telegrams: "ADAMANT, Phone, Luton." Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED… | ||
| Scan107 | Letter from Adamant Engineering Company Limited concerning 3 special Cams and Rollers they supplied. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 12.2.35. We would like to take this opportunity of referring to the 3 special Cams and Rollers which we have recently supplied, and are wondering whether you would be… | ||
| Scan108 | Letter to Adamant Engineering Co. Ltd. requesting an L.7 type Steering Gear for examination and potential standardisation on the 25 HP chassis. | ||
| View original record | x4094 Exptl. Dept. HS/PJH.14/KW. 15th February, 1935. The Adamant Engineering Co.Ltd., Dallow Road, Luton. For the attention of Comdr. Matravers. Dear Sirs, We thank you for your letter of the 12th… | ||
| Scan109 | Letter requesting the production of a third L.7 type R.H. Gear with four specific modifications. | ||
| View original record | -2- Hs/FJH.14/KW.15.2.35. Will you please put in hand a third L.7 type R.H. Gear, identical to those which we have at present, i.e.,- (1) Cam giving 3 1/2 turns from lock to lock. (2) Long length (6… | ||
| Scan110 | Requesting an official order be sent for L.7 type R.H. Steering Gear for Sg's car. | ||
| View original record | Roy. 24094 Hs/FJH.15/KW.15.2.35. We attach an extract from a letter which we have to-day sent to The Adamant Engineering Co., Dallow Road, Luton, ordering an L.7 type R.H. Steering Gear. Will you… | ||
| Scan111 | Requesting the fitment of a Marles L.7 steering gear to a 25 HP car, chassis GLG-5, with modification details. | ||
| View original record | To RHC. 4094 Hs/FJH.20/KW.15.2.35. Marles Steering on 25 HP. We have ordered a third Marles type L.7 steering gear which we want to be fitted to Sg's new car, Chassis GLG-5. Will you please fit the… | ||
| Scan112 | Letter to Adamant Engineering concerning the standardisation and modification of L.7 type steering gear for a 25 HP chassis. | ||
| View original record | X4094 Exptl. Dept. Hs/FJH.25/KW. 15th February, 1935. The Adamant Engineering Co. Ltd., Dallow Road, Luton. For the attention of Comdr. Matravers. Dear Sirs, We thank you for your letter of the 12th… | ||
| Scan113 | Page 2 of a letter detailing requirements for an improvised oil filler and column projection. | ||
| View original record | -2- Hs/PJH.25/KW.15.2.35. (3) Improvised oil filler to our drawing Hs.1515 of which you already have a copy. (4) Not less than 18" of inner and outer column projecting from box. Our order office will… | ||
| Scan114 | Experimental fitting and proposed standardisation of Marles steering gear on a 25 HP model. | ||
| View original record | +4094 E. From Hs/FJH. c. to Ds. Hs/FJH/4/MA.16.2.35. MARLES STEERING ON 25 HP. We herewith attach blueprints of all the drawings in connection with the experimental fitting of Marles steering Gear to… | ||
| Scan115 | General arrangement of Marles Steering Gear L7 Type RH. | ||
| View original record | GENERAL ARRANGEMENT OF MARLES STEERING GEAR L7 TYPE RH REVISION TABLE: NOTE P2331 29-8-30 A P2236 OUTER TUBE ADDED 7.11.30 B 64.D REDUCED TO HALF 9-2-31 C P.746 39/64" DIM. WAS 2 13/32" TH. WALL… | ||
| Scan116 | General arrangement of Marles Steering Gear, L.7. Type R.H. | ||
| View original record | GENERAL ARRANGMENT OF MARLES STEERING GEAR. L.7. TYPE R.H. GA 2216 3.7.34 ADL. F.H. Bland Revision Notes: P3127 WAS P... 10.7.34 PA2262 WAS P1550 P1553 + P1600 CANCELLED 10.7.34 P3145 WAS P... 20… | ||
| Scan117 | Standardising the Marles steering on the 20/25 chassis. | ||
| View original record | Rm X4094 To-De. from E. E.1/HP.15.2.35. c. Hs/Rm. re Marles Steering in 20/25 Chassis. It has been agreed that we shall standardise the Marles steering on the 20/25 chassis. Will you please let me… | ||
| Scan118 | Comparison and proposal for standardizing Marles steering on the 20/25 model. | ||
| View original record | 74094 To E. from Da. c. Hs/Rm. Da.1/HP.20.2.35. Marles Steering on 20/25. I expect it is appreciated that the comparison of the R.R. and Marles on the 20/25 is not a fair one. The wheel turns from… | ||
| Scan119 | Comparison of a standard steering column with a proposed Marles column, detailing design, materials, and weight. | ||
| View original record | - 2 - Da.1/HP.20.2.35. Top of column consisted of the standard Rolls-Royce parts from the present thrust bearing upwards. Control tubes issued from the bottom of the box by temporary arrangement not… | ||
| Scan120 | Comparison table of specifications for two different steering gear systems, the Standard 20/25 and the 20/25 Marles. | ||
| View original record | Standard 20/25. 20/25 Marles. as tested. Pendulum lever length. 8.250 10.15. Pendulum lever angles. 65º 52½º Lock angle (o/s wheel). 65½º 65½º Ratio between lock and pendulum lever. .997 .810.… | ||
| Scan121 | Disappointing mechanical efficiency results of the Marles steering gear on the 21-G-IV chassis. | ||
| View original record | x4094 To Hs/Rm. Hs/FJH.12/KW.21.2.35. Mechanical Efficiency of Marles Steering on 21-G-IV. The attached curve, Hs.1793, shows the mechanical efficiency of the Marles steering gear at present on… | ||
| Scan122 | Graph showing the mechanical efficiency of a Marles Type L7 steering gear under forward and reverse drive. | ||
| View original record | HS. 1793 MECHANICAL EFFICIENCY OF MARLES TYPE L7 STEERING GEAR. FIGURES TAKEN AFTER GEAR HAD BEEN RUN IN ON RIG FOR 2 HOURS. MID. POSITION RATIO 20.7 : 1. 3 3/4 TURN CAM. HELIX ANGLE = 8.62° 10.15"… | ||
| Scan123 | Blank document page with a purple ink stamp from the Print Room in Derby. | ||
| View original record | ROLLS ROYCE, LTD PRINT ROOM FEB 28 1935 DERBY | ||
| Scan124 | Graph showing the mechanical efficiency of a Marles Type L.T steering gear after a 7-hour test run. | ||
| View original record | HS 1605 MECHANICAL EFFICIENCY OF MARLES TYPE L.T STEERING GEAR FIGURES TAKEN AFTER GEAR HAD BEEN RUN FOR 7 HOURS ON RIG MID POSITION RATIO = 7:1 PEND LEVER = 10.15 3 1/4 TURN CAM. HELIX ANGLE 9.97°… | ||
| Scan125 | Graph showing the mechanical efficiency of a Marles Type L7 steering column under different loads. | ||
| View original record | HS 1556 MECHANICAL EFFICIENCY OF MARLES TYPE L7 STEERING COLUMN. STATIC EFFICIENCY AT MID POSITION OF TRAVEL. GEAR LUBRICATED WITH MOBILOIL D. PENDULUM LEVER 10.15" LONG. MID POSITION RATIO 15 : 1. 2… | ||
| Scan126 | Updating the outside diameter dimension for the Double Tooth Marles Steering box cover on a Bentley chassis. | ||
| View original record | To RHC. +4094 Hs/FJH.2/KW.21.2.35. Double Tooth Marles Steering on Bentley. --------------------------------------- Re our memo, Hs/FJH.12/KW.12.2.35, instructing the fitting of the above steering to… | ||
| Scan127 | Mechanical efficiency of the Marles steering gear on the 21-G-IV model. | ||
| View original record | To Hs/Rm: x4094 Hs/FJH.12/KW.21.2.35. Mechanical Efficiency of Marles Steering on 21-G-IV. The attached curve, Hs.1793, shows the mechanical efficiency of the Marles steering gear at present on… | ||
| Scan128 | Letter to Adamant Engineering Co. Ltd. requesting a detail print for a steering gear top cover part M.20718 for a Bentley. | ||
| View original record | 4094 Exptl. Dept. Hs/FJH.25/KW. 28th February, 1935. The Adamant Engineering Co.Ltd., Dallow Road, Luton. For the attention of Comndr. Matravers. Dear Sirs, Re the Double Tooth Marles Steering Gear… | ||
| Scan129 | Invoice received from Adamant Engineering Co. Ltd. for steering gear components. | ||
| View original record | Hs. Copy Rep. Rm G/Cam/CA45/NR.1.3.35 We have received an invoice from the Adamant Engineering Co.Ltd. dated 8th ulto. details of which are shown below. If this invoice is correct for payment, will… | ||
| Scan130 | Letter from Adamant Engineering Company, Limited regarding blueprints M.20718 and MGA.20620B for a special Top Cover and gear assembly. | ||
| View original record | x40094 AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J.… | ||
| Scan131 | Modifications to the Marles type steering for the 20/25 HP chassis, intended for Adamant Engineering Co. | ||
| View original record | x4094 BY/HEB9/H.4.3.35. c. Hs/FJH. Please send covering memo to adamants with prints. FJH 20/25 HP. CHASSIS. STEERING COLUMN AND BOX SEC:70D. MARLES TYPE STEERING IN ACCORDANCE WITH 'N' SCHEME 4385.… | ||
| Scan132 | Stop-work order concerning alterations to Marles type steering parts for the 20/25 HP Chassis. | ||
| View original record | C. Ha/FJH. Rm X4094 BY/HEB6/M.6.3.35. 20/25 HP. CHASSIS. STEERING COLUMN AND BOX SEC:7050. MARLES TYPE STEERING TO 'N' SCH:4385. With reference to the instructions issued by BY/HEB9/M.4.3.35. for… | ||
| Scan133 | Authorising payment for an invoice from the Adamant Engineering Co. | ||
| View original record | x4094 To Roy. c. to G/Cam. Hs/Rm.27/KW. 8.3.35. With reference to G/Cam/CA45/NR.1.3.35, regarding an invoice from the Adamant Engineering Co., please note, this may be paid. Hs/Rm. | ||
| Scan134 | Note concerning letters and booklets for Marles Steering Gear received from Adamant Engineering Co. Ltd. | ||
| View original record | x4094 H.S. Rm ROY/MS4/P.9.3.35. MARLES STEERING GEAR. Please receive herewith letter and booklets relating to the above, received from Messrs. Adamant Engineering Co. Ltd., Luton. Roy. yM | ||
| Scan135 | Letter from Adamant Engineering Company regarding the supply and distribution of instruction booklets for steering gears. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. AD FORM 93. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan136 | The Marles (Patent) Steering Gear, Series 7 & 8. | ||
| View original record | 44094 MARLES —(PATENT)— STEERING GEAR MADE UNDER BRITISH PATENTS Nos. 25573/13 169011 182634 183961 196374 311296 FULLY PATENTED IN OTHER COUNTRIES Series 7 & 8 ISSUED BY: ADAMANT ENGINEERING Co.,… | ||
| Scan137 | Request to return loaned 'Gemmer Model 370' steering gear parts to The Adamant Engineering Co. Ltd. | ||
| View original record | To RHC/CP. x4094 Hs/FJH.32/KW.14.3.35. Will you please return to The Adamant Engineering Co. Ltd., Luton, the steering gear parts which we hand to you herewith. These parts were loaned to us for… | ||
| Scan138 | Letter to Adamant Engineering concerning the assembly of a Bentley steering gear and the return of loaned parts. | ||
| View original record | x4094 Exptl. Dept. HS/PJH.31/KW. 14th March, 1935. The Adamant Engineering Co.Ltd., Dallow Road, Luton. For the attention of Comdr. Matravers. Dear Sirs, Re your letter ref. FGM/AGS/CJ. of the 1st… | ||
| Scan139 | Letter from Adamant Engineering Company regarding a standard top cover for a gear. | ||
| View original record | x4094 I AD FORM 93. Telegrams : "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone : LUTON 1818 (2 LINES). (Logo text: NATIONAL SCHEME FOR DISABLED MEN)… | ||
| Scan140 | Invoice from Adamant Engineering Co. Ltd. for three sets of Cams and Rollers. | ||
| View original record | Hs. Rny X4094 ROY/MS19/P.20.3.35. ADAMANT ENGINEERING CO. LTD. In connection with the three sets of Cams and Rollers, etc., ordered in January last, we have this day received an invoice, and the cost… | ||
| Scan141 | Letter to Adamant Engineering Co. Ltd. confirming a three-week delivery for a 'double tooth follower type' steering component. | ||
| View original record | X4094 Exptl. Dept. Hs/Rm. S/KW. 21st March, 1935. Comdr. Matravers, The Adamant Engineering Co:Ltd., Dallow Road, Luton. Dear Comdr. Matravers, With reference to our conversation on the telephone,… | ||
| Scan142 | Adaptation of the standard 17 Marles steering to suit the 20/25 chassis, including modifications and bearing options. | ||
| View original record | X4094 To BY. Copy to Wor. E. Hs. HSY. RWS. Da.1/MN.22/2/35. R Steadman 20/25 Marles Steering. Herewith is N.Sch.4385 which shews the adaptation of the standard 17 Marles steering to suit the 20/25… | ||
| Scan143 | Letter from Fairey Aviation Company to E.W. Hives regarding a steering stabiliser for adaptation to aircraft controls. | ||
| View original record | X 1300 Telephone: {400 | 405} Hayes, Mid* Telegrams: "Airily, Hayes, Middlesex" Code: Bentley's. THE FAIREY AVIATION COMPANY LTD CONTRACTORS TO THE AIR MINISTRY, ADMIRALTY AND WAR OFFICE AND COLONIAL… | ||
| Scan144 | Letter from Adamant Engineering regarding the delivery of a small double-tooth type steering gear and a potential delay due to sourcing parts from the USA. | ||
| View original record | L4094 CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." Telephone: LUTON 1818 (2 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J.… | ||
| Scan145 | Mechanical efficiency and weight of the Marles Steering gear for the Spectre model. | ||
| View original record | To Hs/Rn. +4094 Hs/FJH.14/KW.3.4.35. R.R. Marles Steering for Spectre. The attached curve, Hs.1873, shows the mechanical efficiency of the above gear both before, and after, "running in". The gear was… | ||
| Scan146 | Efficiency and testing of the Marles Steering gear for the Spectre model. | ||
| View original record | To RHC. Hs/FJH.19/KW.3.4.35. R.R. Marles Steering for Spectre. The attached curve, Hs.1873, shows the efficiency figures we obtained on the first of the above steering gears. The gear was definitely… | ||
| Scan147 | Method for grinding the Marles steering box worm to standardise it for 20/25, Spectre, and Wraith chassis. | ||
| View original record | X1300 RM To Ws. from E. E.11/HP.17.4.35. c. Hs/Rm. c. Mr Wakefield. re Grinding Marles Steering Box Worm. As the intention is to standardise the Marles type of steering at an early date on the 20/25… | ||
| Scan148 | Letter to Adamant Engineering regarding unsatisfactory results with double tooth steering components. | ||
| View original record | X1300 Exptl. Dept. Hs/Rm.18/KW. 25th April, 1935. Commander Matravers, The Adamant Engineering Co.Ltd., Dallow Road, Luton. Dear Comdr. Matravers, We have now made up two of the double tooth steerings… | ||
| Scan149 | Letter from Adamant Engineering Company arranging a meeting to discuss issues with a Bentley Steering gear. | ||
| View original record | X1300 CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. AD Form 93. Telegrams: "ADAMANT, Phone, Luton." Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J.… | ||
| Scan150 | Letter from Adamant Engineering Company regarding the specifications and dispatch of a double tooth gear for a Bentley car. | ||
| View original record | AD Form 93. 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.… | ||
| Scan151 | Letter to Comdr. Matravers of The Adamant Engineering Co. Ltd. confirming a meeting. | ||
| View original record | X1300 Exptl. Dept. Hs/Rm.13/KW. 1st May, 1935. Comdr. Matravers, The Adamant Engineering Co.Ltd., Dallow Road, Luton. Dear Comdr. Matravers, Many thanks for your letter of the 29th. We shall be glad… | ||
| Scan152 | General arrangement of Marles Steering Gear RH 2 inch type. | ||
| View original record | P/1757 P/2761 P/3144 P/3153 M/21303 M/21308 P/2104 M/21304 PA/2262 M/21307 M/21306 S/9033 PA/2262 M/21305 M/21304 M/21303 M/21301 M/21302 M/21300 S/950 S/901 P/1937 S/9019 S/9000 P/1722 P/3129 P/3128… | ||
| Scan153 | General arrangement drawing of a Marles R.H. 1 5/8 type steering gear. | ||
| View original record | P P P PA 1756 2523 2520 PA P M S S 2490 2487 20722 902 S P 3003 1741 S P P S 2375 2376 3005 S S 902 969 S 339 TO SUIT 25/32" OUTER TUBE BLACK ENAMEL NOTE - OUTER TUBE AT STEERING WHEEL END ONLY. 1… | ||
| Scan154 | Blueprint for a roller assembly with detailed specifications and dimensions. | ||
| View original record | ALTERATION Location Date Initial 1.128 ±.001 .3765 .375 DIA M 21291 S 9110 M 21195 M 21196 .917 BCDA .701 20° PRESSURE ANGLE ALL TOOTH FACES MUST RUN RADIALLY TRUE WITH BALL RACES WITHIN .0025… | ||
| Scan155 | General arrangement of a Marles right-hand steering gear, 1 31/32 type. | ||
| View original record | Part Numbers & Callouts: P 1736 P 2657 M 20697 M 20533 M 21189 P 2569 PA 2572 M 20535 S 952 M 21187 M 20590 M 21188 M 20601 S 902 S 969 M 20603 M 20602 S 906 P 1661 P 1932 M 20599 S 20700 S 950 S 901… | ||
| Scan156 | Sticking points and potential solutions for the Spectre Marles steering system. | ||
| View original record | 4300 To E. from Da. c. Hs/Rm. SECRET. Da.6/HP.10.5.35. Spectre - Marles Steering. The sticking points on the first Spectre Marles steering seem likely to prove to be due to the worm being out of… | ||
| Scan157 | The challenges and methods of grinding a Hindley worm gear. | ||
| View original record | (sheet 2) Da.6/HP.10.5.35. roller and follows the changing angle of the helix. Books on worm gearing say a Hindley worm cannot be ground except with a wheel which has no thickness transverse to the… | ||
| Scan158 | Bearing alloy tests, Ford V.8 rear axles, Bentley tappet noise, and steering components. | ||
| View original record | To RHC. x1300 Hs/Rm.9/KW.10.5.35. BEARING ALLOYS. We propose to use the old piston unit for preliminary tests on the new bearing alloys. Will you therefore please fit the bearings as they become… | ||
| Scan159 | Requesting the settlement of a £20 invoice for steering. | ||
| View original record | To Roy; c. to G/Cam; X1300 Hs/Rm. 7/KW. 24.5.35. With reference to G/Cam/CA.76/KI.22.5.35, we think that the price of £20 for the steering is quite reasonable. Will you therefore please settle this… | ||
| Scan160 | Issues with Marles steering on Spectre models, comparing it to La Salle steering and requesting adjustments and inspection. | ||
| View original record | To RHC. X1300 Hs/FJH. 21/KW. 29.5.35. Marles Steering on Spectre. The R.R. Marles steerings on Spectres II & III are not so good as the La Salle steering on Spectre I from the point of view of road… | ||
| Scan161 | Letter to The Adamant Engineering Co. Ltd. discussing the reasons for tight spots on a large double tooth Marles gear. | ||
| View original record | X1300 Exptl. Dept. Ha/FJH.18/KW. 30th May, 1935. The Adamant Engineering Co.Ltd., Dallow Road, LUTON. For the attention of Commdr. Matravers. Dear Sirs, On the occasion of your last visit to Derby you… | ||
| Scan162 | Letter discussing potential manufacturing errors causing tight spots in gear components. | ||
| View original record | -2- Hs/FJH.18/KW.30.5.35. The only condition under which there can be two tight spots is when there is insufficient clearance on faces B and C, or, of course, when there are errors of manufacture such… | ||
| Scan163 | Requesting the production of left and right-hand rockershafts for a Spectre steering box to be used on the 25 HP model. | ||
| View original record | X 300 To RHC. Hs/FJH.6/KW.6.6.35. Spectre Steering Box for Testing of Marles Cams & Rollers. Re our memo. ref. Hs/FJH.20/KW.4.6.35, asking you to build up a steering box so that the Adamant… | ||
| Scan164 | Invoice from Adamant Engineering Co. Ltd. for an L7 Gear, seeking approval for payment. | ||
| View original record | Hs. ---- Rm G/Cam/CA.33/IL.6.6.35. ------------------- We have received an invoice from the Adamant Engineering Co. Ltd., dated 18th February 1935, on which we are charged £16/-/d. nett for 1. L7 Gear… | ||
| Scan165 | Letter from Adamant Engineering Co., Ltd. regarding invoice 17827 for an 'L7' Type Gear and parts. | ||
| View original record | ADAMANT ENGINEERING CO.,LTD. Messrs. Rolls Royce Ltd., Derby. Wednesday, 5th June, 1935. Dear Sirs, We thank you for your letter of the 29th ultimo in connection with our invoice 17827 covering the… | ||
| Scan166 | Return of loaned steering gear parts to The Adamant Engineering Co. | ||
| View original record | To G/Cam. X1300 Hs/FJH.6/KW. 8.6.35. Re G/Cam/CA.33/IL.6.6.35. The steering gear parts referred to in your memo. were loaned to us for examination when Commdr. Matravers visited us on 18th February,… | ||
| Scan167 | Requesting the return of loaned 'Marles' L.7 type R.H. Steering Gear parts. | ||
| View original record | To RHC/CP. X1300 Hs/FJH.5/KW. 8.6.35. Will you please return to The Adamant Engineering Co.Ltd., Luton, the Steering Gear parts which we hand to you herewith. These parts were loaned to us for… | ||
| Scan168 | Letter from Adamant Engineering discussing drawings of a Bentley gear cam track and roller to investigate interference causing tight spots. | ||
| View original record | AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). (Logo text: NATIONAL SCHEME FOR DISABLED MEN) ADAMANT… | ||
| Scan169 | Letter from Adamant Engineering Company explaining the complex interaction between a roller and cam track, referencing accompanying drawings. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. in coincidence and swung round on this centre then they are quite clear. The whole operation is somewhat complicated, but we are of the opinion that the underlying… | ||
| Scan170 | Letter to Adamant Engineering Co. Ltd. arranging a meeting to discuss a large gear and the sending of a steering gear. | ||
| View original record | X1300 Exptl. Dept. Hs/FJH.5/KW. 17th June, 1935. The Adamant Engineering Co.Ltd., Dallow Road, Luton. Attention: Commander Matravers. Dear Sirs, We thank you for your letter of the 3rd inst., and the… | ||
| Scan171 | Request to send the Spectre Steering Box to Adamant Engineering Co. Ltd. in Luton. | ||
| View original record | To RHC/CP. X1300 Hs/FJH.6/KW.17.6.35. Will you please send to the Adamant Engineering Co.Ltd., Luton, the Spectre Steering Box which we hand you herewith. We are visiting the Adamant Co. on Thursday… | ||
| Scan172 | Letter from Adamant Engineering Company confirming a meeting with Mr. Hardy. | ||
| View original record | AD FORM 93. 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.… | ||
| Scan173 | Request to place an order with Adamant Engineering Co. for special cams for experimental Spectre steering. | ||
| View original record | X1300 To Roy. Hs/FJH.8/KW. 21.6.35. We visited the Adamant Engineering Co., Luton, yesterday to discuss the Spectre steering. As a result of our discussion we asked them to make two special cams with… | ||
| Scan174 | Supplier's recommendation to use steel instead of brass for roller bearing cages in a steering system. | ||
| View original record | To By. c. to Da. c. to Roy. /1300 HS/FJH.4/KW.21.6.35. Spectre Marles Type Steering. We visited the Adamant Engineering Co., Luton, yesterday and they raised the question of the cages for the roller… | ||
| Scan175 | Comparison of R.R. Marles steering and La Salle steering, detailing design differences to understand performance variations. | ||
| View original record | To E. & Da. c. to Wor. c. to By. X1300 Hs/PJH.2/KW.26.6.35. Spectre Marles Steering. We have, up to now, two R.R. Marles steerings on Spectre cars - on Spectres II & III. Both these steerings are bad… | ||
| Scan176 | Analysis of mechanical efficiency differences between various steering gear designs, comparing an R.R. gear with a La Salle gear. | ||
| View original record | -2- Hs/FJH.2/KW.26.6.35. We have carried out mechanical efficiency tests on both gears up to a load of 400 lbs. on the end of the pendulum lever and both gave efficiencies of about 70 - 76% in forward… | ||
| Scan177 | Program of experiments on the Spectre gear, focusing on cam design modifications. | ||
| View original record | -3- Hs/FJH.2/KW.26.6.35. We also suspect that the crowning of the sides of the cam track may be a useful line of attack, although we do not know to what extent the La Salle gear is crowned. Our… | ||
| Scan178 | Letter to Adamant Engineering Co. Ltd. regarding the delivery of experimental double tooth cams and rollers. | ||
| View original record | X1300 Exptl. Dept. HS/PJH.15/KW. 4th July, 1935. The Adamant Engineering Co.Ltd., Dallow Road, Luton. For the attention of Comdr. Matravers. Dear Sirs, We are anxiously awaiting the two experimental… | ||
| Scan179 | Letter from Adamant Engineering Company regarding fitment issues with steering box components they are manufacturing. | ||
| View original record | ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C. THREADGOLD & SONS. Established 1878.) Engineers and Founders. CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telegrams: 'ADAMANT,… | ||
| Scan180 | Blueprint of a rocker shaft L7 and L8 type RH. | ||
| View original record | ROCKER SHAFT L7 AND L8 TYPE RH MATERIAL: 3 1/2% NICKEL STEEL S69c SPECIALLY HEAT TREATED MACHINE WHERE MARKED / EXTRA FINE FINISH WHERE MARKED // GROUND WHERE MARKED G ALL DIMENSIONS NOT LIMITED TO BE… | ||
| Scan181 | Blueprint drawing for a serrated pin for a roller. | ||
| View original record | FULL LENGTH OF THREAD MUST NOT BE LESS THAN DIMENSION SHEWN. 7/16" B.S.F. TO GAUGE FULL THRD E. CENTRES .500 DIA -.001 .510 DIA -.00025 -.00075 .705" / .710" A/F BRITISH STD SERRATIONS ENLARGED VIEWS… | ||
| Scan182 | Requesting the dispatch of a Spectre steering rockershaft to Adamant Engineering Co. for modification. | ||
| View original record | To RHC/CEP: X1300 Hs/FJH.18/KW.6.8.35. Will you please send to the Adamant Engineering Co., Luton, for the attention of Commander Matravers, the Spectre steering rockershaft which we hand you… | ||
| Scan183 | Letter to Adamant Engineering Co. Ltd. regarding the return of a rockershaft steering box and an inquiry about a cam. | ||
| View original record | <1300 Exptl: Dept. HB/FJH.19/KW. 6th August, 1935. The Adamant Engineering Co.Ltd., Dallow Road, LUTON. For the attention of Comdr. Matravers. Dear Sirs, We are returning to you the rockershaft for… | ||
| Scan184 | Letter from Adamant Engineering Company regarding the dispatch and return of steering components. | ||
| View original record | L1300 AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). [Logo: NATIONAL SCHEME FOR DISABLED MEN] FJH ADAMANT… | ||
| Scan185 | Request for the manufacture of two housings to test cam bearing friction for Marles Steering on Spectre & 25 HP models. | ||
| View original record | To RHC. X1300 Hs/FJH.15/KW.27.8.35. Marles Steering on Spectre & 25 HP. We wish to carry out some tests to determine the friction of the cam bearings of the Adamant type and of the Timken type. We… | ||
| Scan186 | Requesting an urgent order of steering components from the Adamant Engineering Co. for experimental work on a 25 HP car. | ||
| View original record | To Roy. X1300 Hs/FJH.20/KW.5.9.35. Will you please order from the Adamant Engineering Co. the following parts :- 1. Steering Cam; 0.800 lead; right hand; 0.002" crowning; to Adamant Co's Drawing… | ||
| Scan187 | Requesting steering adjustments on car 3-B-IV, to remove backlash and reduce spring movement. | ||
| View original record | To RHC. X1300 Hs/FJH.18/KW.6.9.35. Marles Steering on 3-B-IV. We shall be sending the above car into the shop as soon as convenient. Will you please adjust the steering to remove the backlash in the… | ||
| Scan188 | Problems with the 'Spectre' steering and proposing a plan to test and develop it in France using car 21-G-IV. | ||
| View original record | To RHC, X1300 Hs/Rm.18/KW.6.9.35. Spectre Steering. As you have probably heard, Hancock reports that the Spectre steering fitted to 21-G-IV in France is exceedingly bad. We are proposing to use this… | ||
| Scan189 | The modifications and trial arrangements for the steering gear of the Spectre and 20/25 HP models. | ||
| View original record | To R.H.C. HB/FJH, 2/KW. 6.9.35. Spectre & 20/25 HP. Steering. We shall soon have a large number of modifications available for trial on the Marles steering of the Spectre and 25 HP., and it is… | ||
| Scan190 | Specifications for three build variations of 'Gear No. 2' and associated housing modifications. | ||
| View original record | -2- Gear No.2. (a) Built up with 0.700 lead cam with 0.002" crowning, standard bearings. Roller F.87682 with ball bearings. Both 8.250" and 9.437" pendulum levers. (b) Built up with the same cam and… | ||
| Scan191 | List of parts to be supplied by Adamant Engineering Co. and Timkens for two different gear assemblies. | ||
| View original record | -3- The parts that have to be supplied by the Adamant Engineering Co. are as follows :- Gear No.1. (a) 1 Cam, R.H., 0.800 lead, 0.002" crowning, Adamant Bearings. 2 Cam bearing cups. 2 Cam bearing… | ||
| Scan192 | List of parts on order for Gear No. 2 from Adamants and Timkens. | ||
| View original record | -4- Hs/FJH.2/KW.6.9.35. Gear No.2. (c) 2 Cam bearing cups. 2 " " roller and cage assemblies 2 Bearings for roller, consisting of inner race, cage and rollers. All the above parts from Adamants and… | ||
| Scan193 | Letter from Adamant Engineering Company regarding a revised delivery schedule for special tools and gauges. | ||
| View original record | AD FORM 93. 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.… | ||
| Scan194 | Postscript to a letter clarifying a mistake regarding instructions for rollers and lead cams. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. 10.9.35. P.S. With reference to the 4 Rollers for the .7" lead Cams, the writer was mistaken this morning when he said that instructions to put these in hand had not… | ||
| Scan195 | Letter to Adamant Engineering Co. Ltd. regarding a delay in the completion of steering parts. | ||
| View original record | X1300 Exptl. Dept. Hs/Rm.6/KW. 13th September, 1935. Commander Matravers, The Adamant Engineering Co.Ltd., Dallow Road, Luton, Beds. Dear Comdr. Matravers, Thank you for your letter of September 10th.… | ||
| Scan196 | Letter from a supplier regarding production difficulties and a revised delivery schedule for special Cams and Rollers. | ||
| View original record | X1300 AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). NATIONAL SCHEME FOR DISABLED MEN (Logo) THE SOCIETY OF… | ||
| Scan197 | Second page of a letter to W.A. Robotham regarding the urgency of right-hand cams. | ||
| View original record | W.A.Robotham Esq. Contd 2. 14.9.35. of the Right Hand Cams, as I understood from your Mr. Hardy over the telephone the other day that these were the more urgent of the two. Yours sincerely,… | ||
| Scan198 | Letter to The Adamant Engineering Co.Ltd. clarifying an order for cams and rollers. | ||
| View original record | X1300 Exptl. Dept. Hs/FJH.25/KW. 17th September,1935; Your Ref: FGM/AGS/14.9.35. The Adamant Engineering Co.Ltd., Dallow Road, Luton. For the attention of Commdr. Matravers. Dear Sirs, Re your letter… | ||
| Scan199 | Letter from a supplier acknowledging an urgent order for special Cams and Rollers. | ||
| View original record | X1300 AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J.… | ||
| Scan200 | Letter from Adamant Engineering Company regarding the delivery of Cams, Rollers, a drawing number correction, and Timken Bearings. | ||
| View original record | F.J.H. x1300 AD FORM 93. Telegrams.: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone : LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED… | ||
| Scan201 | Letter from Adamant Engineering Company Limited clarifying their position on supplying Cups for Timken Bearings. | ||
| View original record | Messrs. Rolls-Royce Ltd. Contd 2. of course we have no order from you for these Cups, neither have we details of the Timken Bearings, so that in any case at the moment we should not be in a position… | ||
| Scan202 | Specification sheet for rollers used in Spectre & 20/25 HP steering parts. | ||
| View original record | x1300 27.9.35. Spectre & 20/25 HP. Steering Parts. Rollers. Rollers are not handed and not affected by crowning. No. | Lead | Type of Bearing | Our No. | Adamant No. ---|---|---|---|--- 1 | 0.800 |… | ||
| Scan203 | Specification table for Cams used in Spectre & 20/25 HP Steering Parts. | ||
| View original record | X 1300 27.9.35. Spectre & 20/25 HP. Steering Parts. C A M S. L.H. for Spectre. R.H. for 25 HP. No. | Hand | Lead | Bearings | Crowning | Our No. | Adamant No. 1 | L.H. | 0.800 | A | 0.005 | F.87551 |… | ||
| Scan204 | Letter from Adamant Engineering Company regarding a proposed meeting at Olympia to settle matters concerning experimental sets. | ||
| View original record | AD FORM 93. 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 to Commander Matravers arranging to meet at the Rolls-Royce stand at Olympia. | ||
| View original record | X1300 Exptl. Dept. Hs/Rm.27/KW. 21st October, 1935. Commander Matravers, The Adamant Engineering Co.Ltd., Dallow Road, LUTON. Dear Commdr. Matravers, Thank you for your letter of the 18th October. I… | ||
| Scan206 | Letter from Adamant Engineering Company to W.A. Robotham regarding a missed meeting and arranging a visit. | ||
| View original record | AD FORM 93. 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.… | ||
| Scan207 | Letter from Adamant Engineering Company to Mr. Robotham arranging a meeting and lunch at Olympia. | ||
| View original record | Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). AD Form 93. ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. C.… | ||
| Scan208 | Letter to Commander Matravers of Adamant Engineering arranging a meeting to discuss steering matters. | ||
| View original record | X1300 Exptl. Dept. Hs/Rm. S/KW. 29th October, 1935. Commander Matravers, The Adamant Engineering Co.Ltd., Dallow Road, Luton. Dear Commdr. Matravers, I received your letter of the 22nd October this… | ||
| Scan209 | Letter from Adamant Engineering Co. to W.A. Robotham confirming a visit to Derby. | ||
| View original record | X1300 AD Form 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 Lines). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J.… | ||
| Scan210 | Specification for the Marles Gear, including a list of supplied parts. | ||
| View original record | X/1300 5.11.35. The Specification for the Marles Gear for Rolls-Royce Limited (N.Sch.4291) is as follows :- (1) The Adamant type of taper bearing, the bedding to extend over the whole face of the cam… | ||
| Scan211 | Corrections to Phantom III steering components by the Adamant Co. | ||
| View original record | To By: c. to Roy. X1300 Hs/FJH.27/KW.7.11.35. Phantom III Steering. We have found that the results obtained from the Marles type Ph.III steering are improved if the Adamant type parallel roller… | ||
| Scan212 | Oil leak from the Ph.III & 25 HP Marles Type Steering gear and a suggested modification. | ||
| View original record | To RHC. X1300 Hs/FJH.9/KW.11.11.35. Ph.III & 25 HP. Marles Type Steering. The oil leak from the steering gear of 33-EX has proved to be due primarily to bad fitting. However, we agree that the design… | ||
| Scan213 | Oil leak from a Ph.III & 25 HP Marles Type Steering box, identifying the cause and proposing a modification. | ||
| View original record | To E. c. to By. X1300 HS/FJH.11/KW.11.11.35. Ph.III & 25 HP. Marles Type Steering. A case has occurred on 33-EX of an oil leak from the inside of the steering box to the Bijur system. The gear was… | ||
| Scan214 | Letter from Adamant Engineering Company confirming an alteration to an order for Cams and Rollers. | ||
| View original record | AD FORM 93. x1300 Telegrams: 'ADAMANT, Phone, Luton.' CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 1818 (2 LINES). [Logo: NATIONAL SCHEME FOR DISABLED MEN] [Logo: THE… | ||
| Scan215 | Modifications to the Marles Steering box for the Phantom III model. | ||
| View original record | x300 Raaa F.J.H. [strikethrough]Dr.[/strikethrough] [strikethrough]C.Wor. Hs. RHC. Dav[/strikethrough] Marles Steering - Phantom 3. This confirms that I have left with you N.Sch. 4711 showing certain… | ||
| Scan216 | Comparison of torsional deflection and stiffness for various rocker shaft designs under a specific load. | ||
| View original record | Da/AEC.1/HP.13.12.35. TORSIONAL DEFLECTION IN DEGREES OF PARALLEL PORTION OF ROCKER SHAFT ASSUMING A LOAD OF 1000 LBS ON END OF PENDULUM LEVER. Deflection. Percentage increase of stiffness over… | ||
| Scan217 | The weakness of a Marles steering box and recommendations for strengthening it with larger bolts. | ||
| View original record | To E. c. to By. c. to Rm. X1300 Ha/GWH.6/KN.20.12.35. 21-G-IV - Marles Steering. The steering box of this car is being sprung open at the centre joint when under load. The fitting of the extra bolt on… | ||