Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | Secret memo detailing modifications for a 40 m.m. type BD Gun non-elevating mounting. | ||
| View original record | SECRET. To Rm. from Ev. c.c. to Ve. c.c. to Rm/FJH. c.c. to Rm/HH. c.c. to CTS. for Blk. re Non elevating Mounting. 40 m.m. type BD. Gun. This afternoon Rm/Wym, took away QPL.127 shewing modifications… | ||
| img002 | Blueprints and modifications for a 40 mm Naval Gun Type BD ejector trip. | ||
| View original record | Per [Struck through text] from Ve/HGF. c. Rm. e. Rm/WW. o. Rm/OTS. (for Bir) Ve/HGF.5/CB.24.8.40. 40 mm. NAVAL GUN TYPE BD. Ejector Trip - Section 1010. Please receive herewith 3 copies of blueprint… | ||
| img003 | Proposing to treat the 40mm Naval Gun and its Mounting as two separate units for future projects. | ||
| View original record | E.V. Blk.} Please note. This is agreed. Rm from Ve. c. to Rm. Original letter... Ve.5/CB.26.8.40. 3 R.R. 40 mm. NAVAL GUN & MOUNTING. We are at present looking upon the gun and mounting as one unit,… | ||
| img004 | Letter to The British Power Boat Co. Ltd. concerning the specifications for 40 mm, type BD gun mountings. | ||
| View original record | C. to m. Ve. Rm/FJH. Rm/CTS. for Blk. Fr.6/JH. 7th. August, 1940. The British Power Boat Co.Ltd., Hythe, Southampton. For the attention of G.C. Selman Esq. Dear Sirs, re mountings for the 40 m/m. type… | ||
| img005 | Letter concerning the estimated weight of power-driven gun mountings and allocation to craft. | ||
| View original record | Cont'd. At the moment we are not in a position to give you even an estimate of the weights of the complete gun with a power driven mounting, but we see no reason why it should exceed that of the gun… | ||
| img006 | Appendix listing the approximate weights of various gun mountings and ammunition components. | ||
| View original record | Appendix of Approximate Weights. Ev.6/JW.27.8.40. Gun with aluminium cradle - single shot 320 lbs. Gun with Naval Bronze cradle - single shot 480 lbs. Oerlikon Mounting 3SLa 10½ cwt. Non elevating… | ||
| img007 | Extract from a memo regarding the production of a List of Parts (L.O.P.) for a non-elevating gun mounting. | ||
| View original record | 3 Extract from Memo Ev.4/JH.28.8.40 -------------------- .................. With respect to the Gun Section, we are aware that L.O.Ps of the sections which you have handled on the type BD Gun have… | ||
| img008 | Letter from the Admiralty regarding revised drawings for a 40mm mounting and proposing a meeting. | ||
| View original record | C O P Y. ADMIRALTY, N.O. DEPARTMENT, SPA HOTEL, B A T H. 28th August, 1940. Messrs. Rolls-Royce Ltd., D E R B Y. For the Attention of Mr. Robotham. Dear Sirs, I am in receipt of your letter dated 23rd… | ||
| img009 | Query regarding difficulties with ammunition and a request for supplies of half-inch American ammunition for testing. | ||
| View original record | COPY. 9 28.8.40. SIR JOHN SALMOND THAMES HOUSE MILLBANK LONDON WE BELIEVE SOME OF OUR DIFFICULTIES ARE DUE TO AMMUNITION ARE THERE ANY SUPPLIES OF HALF INCH AMERICAN AMMUNITION AVAILABLE WHICH WE… | ||
| img010 | Specifications for an ammunition tray for a 40mm gun on a pedestal mounting. | ||
| View original record | C O P Y. S E C R E T. 3 To Rm. from Ev. c. to Ve. Rm/FJH. Rm/HH. Rm/CTS. for Blk. Ev.1/JH.31.8.40. RE AMMUNITION TRAY - PEDESTAL MOUNTING 40 mm. Gun Type BD. ----------------------------- Attached to… | ||
| img011 | The status of various gun section projects, split into work in progress and completed work. | ||
| View original record | 3 Extract from Memo Ev.9/JH.2.9.40 -------------------- .................... .................... re GUN Section. (Work in hand) QPL.122. Four type A.A., Gun in Spitfire wing - Type AA Gun 80% Revised… | ||
| img012 | Development and procurement of a body strap for a Type B.D. Gun with supplier Hampton & Sons Ltd. | ||
| View original record | Rm/C.T.S. Please deal with this & order. Ruy 2 To Rm. from Ev. c.c. to ve. Rm/FJH. Rm/HH. Rm/OTS. for Blk. Ev.8/JH.2.9.40. re Body Strap - Type B.D. Gun. We have made contact with Messrs. Hampton &… | ||
| img013 | Secret memo discussing the mounting, ammunition, and armour specifications for a 40mm B.D. gun on an M.T. Boat. | ||
| View original record | SECRET. To Rm. from Ev. C. to Vg. C. to Vg/NP. re 40 m.m. type BD. Gun. We have had several letters and telephone talks to Mr. G.S. Selman of the British Power Boat Co. of Hythe, re the type B.D. gun… | ||
| img014 | Relationships with customers and contractors, including the Admiralty and British Power Boat Co., concerning a gun project. | ||
| View original record | C.R.E. .To B.M. VB/WOJL .JW/CL 27.08.40 506. 08.40 These are people we believe we have not contacted so far. We appreciate that the customers are the Admiralty, and they it is we have to satisfy,… | ||
| img015 | Letter from H.M.S. EXCELLENT to Mr. Robotham regarding drawings and a description of a gun. | ||
| View original record | C O P Y. B.5 3 H.M.S. EXCELLENT, PORTSMOUTH. 2nd September, 1940. Messrs. Rolls-Royce Ltd., D E R B Y. Dear Mr. Robotham, You have heard I think from Ltd. Commander Young that we are ready for any… | ||
| img016 | Letter to Captain Slayter regarding the manufacturing progress and development of a 40mm gun. | ||
| View original record | COPY. 3 Rm.9/ML. 4.9.40. Captain Slayter, Spa Hotel, B A T H. Dear Captain Slayter, Mr. Ashworth will have given you a summary of the present position regarding the 40 mm. gun. Briefly, the British… | ||
| img017 | Letter to the Admiralty concerning a visit to Derby to discuss the mountings for the 40mm gun. | ||
| View original record | COPY. Rm.6/ML. 4.9.40. For the attention of Admiral Whyham. Admiralty, N.O.Department, Spa Hotel, BATH. Dear Sirs, With reference to your letter of the 28th. August, concerning the mountings for the… | ||
| img018 | Telegram from Robotham to Selman about scheduling a meeting. | ||
| View original record | 4.9.40. SELMAN. POWER HYTHE HANTS. THURSDAY THIS WEEK IMPOSSIBLE CAN MANAGE FRIDAY SEPTEMBER SIXTH IF CONVENIENT OTHERWISE THURSDAY NEXT WEEK STOP PLEASE WIRE REPLY. ROBOTHAM. ROLLS ROYCE. | ||
| img019 | Letter to the Director of Navy Contracts returning an order for semi-automatic guns as production was taken over by another company. | ||
| View original record | COPY. Rm.4/ML. 4.9.40. Director of Navy Contracts, Contract Department, Admiralty, Royal School, Lansdown Road, BATH. Dear Sirs, Q.F. 2 pdr. Mark XIV. Semi-automatic Guns. complete. Order C.P.… | ||
| img020 | Notes of a discussion held on the 2nd September regarding the 40 mm. gun. | ||
| View original record | NOTES OF A DISCUSSION HELD ON THE 2nd. SEPTEMBER - re THE 40 mm. GUN. Present :- Mr. Gimson. B.U.S.M. Mr. Gardner. D.U.S.M. Mr. Ashworth. Admiralty. Sg. Hs. Ve. Rb. Blk. Rm. HPS. (part-time.) 1.… | ||
| img021 | Meeting notes discussing the production details of guns, including materials, pricing, tooling, testing, and assembly. | ||
| View original record | - 2 - Cont'd. 5. GUNS WITH ALUMINIUM CRADLES. It was agreed that any of the first fifty guns allocated to the Admiralty, would have aluminium cradles. Mr. Ashworth concurred that the exact number… | ||
| img022 | Meeting minutes discussing bronze cradle machining, contracts with the Admiralty for guns, and mountings. | ||
| View original record | - 3 - Cont'd. 10. BRONZE CRADLES. Some discussion took place with regard to the difficulty of machining the bronze cradle. It was agreed that under no circumstances would bronze cradles be allowed to… | ||
| img023 | Correspondence returning one drawing and requesting prints for a 17.2mm and a 40mm gun arrangement. | ||
| View original record | Tanker c. to Rm. 3 Ev./JH.16.7.40. We are returning herewith the original of QA.1130. for which we thank you. A full scale arrangement of the 17.2 m.m. gun QA.1132 would be of great interest to us and… | ||
| img024 | Request for an official order to the British Tyre & Rubber Co. for rubber covering the mock-up shoulder rest of a 40 m/m gun. | ||
| View original record | Roy. From Rm/PJH. c. c/JWR. 3 Gun Rm/PJH.3/JMS.16.7.40. 40 m/m Gun. Will you please send an official order to the British Tyre & Rubber Co., Burton, for rubber covering the mock up shoulder rest of… | ||
| img025 | Letter confirming an order to cover a tubular Gun Shoulder Rest with soft rubber. | ||
| View original record | 3 Gun Rem/PJH.4/JS. 16.7.40. Messrs. The British Tyre & Rubber Co.Ltd., BURTON-ON-TRENT. For the attention of Mr. Birkbeck. Dear Sirs, We are writing to confirm that we have asked you to cover with… | ||
| img026 | Request for a copy of the latest 40 m/m mark '3' Gun arrangement drawing. | ||
| View original record | Ev. from Rm. 3 Gun Rm.13/JMS.17.7.40. Will you please let me have a copy of the latest 40 m/m mark '3' Gun arrangement drawing? Rm. | ||
| img027 | Confirming arrangements for a visit to the R.A.E. on an upcoming Saturday. | ||
| View original record | S/W. Rm. 3 LpZ/ES.18.7.40. I have made arrangements for your visit to the R.A.E. on Saturday morning next, and asked D.O.R. to inform you by telephone this morning. Hs. suggested that Viale might come… | ||
| img028 | Letter from British Tyre & Rubber Co. confirming completion of work on a Shoulder Rest. | ||
| View original record | TELEPHONE: BURTON-ON-TRENT 2977 (5 LINES) TELEGRAMS: "TYROODS, BURTON-ON-TRENT." BRITISH TYRE & RUBBER CO. LTD. DIRECTORS: SIR WALROND SINCLAIR, K.B.E., (CHAIRMAN & MANAGING DIRECTOR) SIR JOHN S.… | ||
| img029 | From British Type & Rimber Co. Ltd. regarding an order for a rubber-covered Showfan Screen. | ||
| View original record | Gun file. 3 51 BRITISH TYPE & RIMBER CO. LTD. OXFORD WORKS OSNEY ROAD, BURTON-ON-TRENT. 14 7 40 Messrs Rolls-Royce Ltd. Nightingale Rd Derby One only Showfan Screen rubber covered & arranged.… | ||
| img030 | Oerlikon Mounting 3.SLa for the 40 m/m Naval Gun Mark V, detailing mounting discrepancies and sight modifications. | ||
| View original record | SECRET. Gun 3 To Rm. from Ev. C. to Ve. C. to Rm/HH. C. to Rm/RM. Ev.1/JH.19.7.40. re Oerlikon Mounting 3.SLa for 40 m/m Naval Gun Mark V. Attached to Rm/HH's. copy of this memo. are PL.292 (sheet 1… | ||
| img031 | The low stresses on a mounting under a trunnion load, in preparation for a meeting with Naval Authorities. | ||
| View original record | Cont'd. We hope it will be possible to obtain a decision on these matters at the next meeting with the Naval Authorities. On PL.300 herewith we shew the stresses in the mounting under all maximum… | ||
| img032 | Cover note for D.184 Vouchers concerning an Oerlikon Gun mounting, requesting a signature for receipt. | ||
| View original record | From, A.G.S.B. COVENTRY. To, Mr Rubotham / c/o Experimental Dept, Rolls Royce Ltd Derby 3 Herewith D.184 Vouchers for Oerlikon Gun mtg. recently issued to you. Will you please sign for receipt.… | ||
| img033 | Yard Issue Note for the delivery of three castle nuts for an MS.2 test. | ||
| View original record | DUPLICATE. YARD ISSUE NOTE NOTE S. III. G. D.—184. The N.S. Officer is requested to deliver:— To: Heston Place of Delivery: Experimental Dept. S.S. Reg. No.: 3017 Centre perform-ing work: 389… | ||
| img034 | The design challenges and supply requirements for the Oerlikon 40 m/m Gun Mounting. | ||
| View original record | to File SECRET. 3 Ev.1/JH.27.7.40. To Rm. from Ev. O. to Rm/EJH. re Oerlikon Mounting for 40 m/m Gun - Mark V. Although we were able to make the experimental trunnion brackets for the first gun fitted… | ||
| img035 | Letter from the Admiralty regarding drawings for Oerlikon Gun Mountings. | ||
| View original record | ADMIRALTY, N.O. DEPARTMENT, SPA HOTEL, BATH. 29th July, 1940. Mr. Robotham, c/o Messrs. Rolls Royce Ltd., Nightingale Road, Derby. Dear Mr. Robotham, Oerlikon Gun Mountings. Drawings Nos. D.017a… | ||
| img036 | Outlining queries about an armoured shield and sights for a 40mm Mark V Naval Gun on an Oerlikon Mounting. | ||
| View original record | 3 To Rm. c. to Ws. c. to Rm/FJH. c. to Ev/JB. Ev.4/JH.30.7.40. re First 25 40 m.m. Mark V. Naval Guns on Oerlikon Mounting 3.SLs. We suggest that answers to the following queries should be obtained… | ||
| img037 | List of design questions and considerations for a weapon mounting system. | ||
| View original record | -2- (3) Shoulder Rest, Strap and Handle. We want approval of the shoulder rest, support strap and handle. (4) Shock Damper. Do we require a Gordon Armstrong shock damper and if we do what sort of… | ||
| img038 | Outlining points to be clarified regarding a manually operated mounting for a 2nd. 2S. gun. | ||
| View original record | To Rm. c to Ver. c. to Rm/PJH. c. to Br/JD. 3 Ev.5/JH.30.7.40. Manually Operated Mounting for Future Gun in Particular 2nd. 2S. We are not sure, but we believe that the 2nd. 2S guns are intended for… | ||
| img039 | Letter to the Director of Navy Contracts regarding the design and manufacture of an armoured shield for a 40mm gun. | ||
| View original record | COPY. M Rm.10/AL. 5.8.40. The Director of Navy Contracts, Admiralty, B A T H. Dear Sir, With reference to your letter of the 20th July, which we return herewith. Whilst we are prepared to deal with… | ||
| img040 | Minutes from a conference with the Admiralty regarding the urgent demand for a gun for anti-invasion craft. | ||
| View original record | H.S/D.A.D.T.W. NOTES ON CONFERENCE AT R.N. ROYAL ADMIRALTY. TUESDAY MARCH 4th. 1940. Present : Admiralty. Rear Admiral Whyham. Capt. Slater. Capt. Green. Lt. S.Fingemill. Mr. Ashworth. Rolls Royce.… | ||
| img041 | Gun production, including tooling, the use of sub-contractors, and materials for barrels. | ||
| View original record | - 2 - Cont'd. EM.9/ML.8.8.40. The planning and tooling of the gun would also go forward, as would the brochure giving an outline of how approximately 25 guns per week would be produced, using… | ||
| img042 | Report discussing gun production, including material changes from aluminium to bronze, and outlining design responsibilities for mountings and shields. | ||
| View original record | Cont'd. - 3 - so far, the forgings had been pro- duced by the English Steel Corporation of Sheffield. Mr. Ashworth said he did not think that this material would prove to be difficult to obtain if the… | ||
| img043 | Notes from a conference with the Admiralty regarding a gun contract and supply urgency. | ||
| View original record | NOTES ON CONFERENCE AT BATH WITH THE ADMIRALTY TUESDAY AUGUST 6th, 1940. Present : Admiralty. Rear Admiral Whyham. Capt. Slater. Capt. Green. Lt. S.Lingsmill. Mr. Ashworth. Rolls Royce. Mr. Hives. Mr.… | ||
| img044 | Meeting minutes discussing the planning, tooling, and sub-contracting for gun and barrel production. | ||
| View original record | - 2 - Cont'd. E.M.S/H.L.3.6.40. The planning and tooling of the gun would also go forward, as would the brochure giving an outline of how approximately 25 guns per week could be produced, using… | ||
| img045 | Meeting summary discussing gun production, materials, and mounting designs. | ||
| View original record | - 3 - Cont'd. So far, the forgings had been produced by the English Steel Corporation of Sheffield. Mr. Ashworth said he did not think that this material would prove to be difficult to obtain if the… | ||
| img046 | Plan Q.PL.110, showing the original sights, armrest, and aiming handle for the 40 M.M. Gun Type B.D. | ||
| View original record | To Rm. c. to Rm/HH. c. to Ve. c. to Rm/PLH. Ev.3/JH.5.8.40. 3 re 40 M.M. Gun Type B.D. We are sending you herewith Q.PL.110. showing the sights, armrest and aiming handle as fitted originally to the… | ||
| img047 | Design and attachment of a 40mm gun ammunition box tray. | ||
| View original record | COPY. SECRET. 3 To Rm. from Ev. c. to Ve. Rm/PJH. Blackstone. Rm/HH. Ev.12/JH.6.8.40. Re AMMUNITION BOX TRAY 40 mm. GUN Type BD. 1st. 36 sets. On FL.11) (original attached to Rm/HH's copy) we shew a… | ||
| img048 | Project memo regarding a simplified elevating mounting for a 40mm Oerlikon gun. | ||
| View original record | SECRET. To Rm. c. to RmHH. c. to Ve. c. to Rm/PJH. Ev.5/JH.6.8.40. re Simplified Elevating Mounting for 40 m.m. Gun type BD. On QPL.106 herewith we show a project for the simplified edition of the… | ||
| img049 | The investigation into different mounting projects for a 40mm Type BD gun. | ||
| View original record | SECRET 3 To Rm. c. to Rm./HW. c. to Ve. c. to Rm/FJH. Ev.7/JH.6.8.40. re Projects of Mountings for 40 m.m. Gun Type BD. Considerable investigation work has been carried out on the problems of… | ||
| img050 | Distribution note for issuing and filing purposes. | ||
| View original record | this memo. for issuing and filing purposes. [Signature] Original to Rm/HH. Prints for PJH. Ve. Rm/HH.Ev. & Blackstone. | ||
| img051 | Secret memorandum regarding a simplified elevating mounting for a 40 m.m. B.D. Gun. | ||
| View original record | SECRET. To Rm. c. to Rm/HH. c. to Ve. c. to Rm/FJH. c. to Blackstone. Ev.9/JH.6.8.40. re Simplified Elevating Mounting 40 m.m. B.D. Gun. We have issued in a separate memo. Q.PL.106. which is a project… | ||
| img052 | The design and sourcing of ball bearings for a 40 m.m. gun mounting for the Navy. | ||
| View original record | C.T.S. Fred Hardy is making some enquiries about this for your absence. 3 SECRET. To Rm/CTS. from Ev. c. to Rm. Am File Gun re non elevating Mounting for 40 m.m. Gun Type BD. We are likely to have to… | ||
| img053 | Specifying the thrust and instantaneous radial load on a bearing for a gun. | ||
| View original record | Cont'd. The bearing takes the weight of the gun, shields and ammunition, approx. 770 lbs. always as thrust. It at times receives a radial load of 5000 lbs. instantaneously. Ev. | ||
| img054 | Specifications and mounting of an ammunition box tray for a 40mm gun. | ||
| View original record | SECRET. To Rm. from Ev. o. to Ve. Rm/FJH. Blackstone. Rm/HH. re Ammunition Box Tray 40 m.m. Gun Type BD. 1st. 36 sets. On QPL.113 (original attached to Rm/HH's copy) we shew a sheet steel ammunition… | ||
| img055 | Letter to The International Combustion Co. Ltd. regarding a proposed mounting, referencing drawing QFL. 112 and requesting modification suggestions. | ||
| View original record | 3 Rm.3/L. 7.8.40. Messrs. The International Combustion Co.Ltd., Sinfin Lane, DERBY. For the attention of Mr. Brown. Dear Sir, Further to our conversation the other day relative to a mounting which we… | ||
| img056 | Attachment of a 40 m.m. Naval Gun Type BD to an Oerlikon Mounting. | ||
| View original record | To Rm. c. to Ve. c. to Rm/PJH. c. to Rm/HH. c. to BH. Ev.1/JH.7.8.40. re 40 m.m. Naval Gun Type BD. Attachment to Oerlikon Mounting. We have already tried the gun mentioned above on the Oerlikon… | ||
| img057 | Design changes and finishing instructions for a weapon mounting. | ||
| View original record | -2- Ev.1/JH.7.8.40. Following the Oerlikon design we have provided a parking stop on the mounting. A suitable boss with ribs is shown on the cradle and we are leaving Ve/NP/Robinson to detail the… | ||
| img058 | Letter from The British Power Boat Company concerning the mounting of a new gun. | ||
| View original record | DESIGNERS & BUILDERS OF THE WORLD'S FINEST CRAFT FOR SERVICE & PLEASURE CONTRACTORS TO THE ADMIRALTY WAR OFFICE AND AIR MINISTRY RACING SUCCESSES INCLUDE THE CHAMPIONSHIPS OF THE WORLD AMERICA,… | ||
| img059 | Blueprint with handwritten calculations for weight saved by substituting uprights and adding a Birmabright cover. | ||
| View original record | SCHEDULE ITEM PART N° DRG. REF. DESCRIPTION MATERIAL SIZE AND GAUGE BY SUBSTITUTING - 5' - 6" x 3/4" UPRIGHTS — WEIGHT SAVED = 128LBS 16G BIRMAL TO COVER — ADDED Wt = 16LBS NETT WEIGHT SAVED = 112LBS… | ||
| img060 | Blueprint for a suggested lightening hinge on an Oerlikon gun mounting. | ||
| View original record | 5 POSTS! EQUI-SPACED SCRAP SECTION 'AA' 5 - BIRMAL COVERS 18G TO OVERLAP HOLE SIZE 3/4" EITHER EDGE TAP 2BA & INSERT RD. HD. SCREWS AT 3 IN. PITCH- FLANGE EDGE 1/4" ALL ROUND- THE BRITISH POWER BOAT… | ||
| img061 | Letter from International Combustion Ltd regarding the manufacture of a mounting based on drawing CPL.112. | ||
| View original record | INTERNATIONAL COMBUSTION LIMITED DIRECTORS: G. R. T. TAYLOR, CHAIRMAN. SIR GEORGE MACDONOGH, G.B.E., K.C.B., K.C.M.G. L. W. FARROW, F.C.A. F. G. PENNY. THE EARL OF LAVERSTOKE. GEO. C. USHER, MANAGING… | ||
| img062 | Design change of an accelerometer for a gun barrel from a capacity arrangement to a variable inductance system. | ||
| View original record | 3 To Rm/Mr. Hardy (Clan Foundry). Lr/HWS.1/VR. 9.8.40. RE :- ACCELEROMETER FOR GUN BARREL. With reference to the scheme discussed, namely an inertia-controlled/capacity gap, further consideration of… | ||
| img063 | Final design of the armrest for the 40 m.m. Naval Gun Type BD. | ||
| View original record | To Rm. c.c to Ve. c.c to Rm/FJH. c.c to Rm/HH. c.c to Rm/GSC (for Blk). 3 Ev.1/JH.9.8.40. re 40 m.m. Naval Gun type BD. Final Armrest 1st. 25 guns. We attach to Rm/HH's. copy of this memo. the… | ||
| img064 | Design, modifications, and finish for a 40mm Naval Gun ejector shield. | ||
| View original record | To m. c. to Ve. c. to Rm/FJH. c. to Rm/HH. c. to Rm/CTS. (For Blk). Ev.2/JH.9.8.40. re 40 m.m. Naval Gun type BD. Ejector Shield. Attached to Rm/HH's. copy of this memo. is the original of QPL.117… | ||
| img065 | Urgent need for a rubberised downward stop for a 40mm Naval Gun, proposing a new buffer design. | ||
| View original record | To hm. c. to VS. c. to Ra/FJN. or to hm/hwe. or to am/etc. (For Mik) T/H [handwritten] re 40 m.m. Naval Gun type BD. Rubber Buffer Downward Stop. Having decided to abandon the shock damper on the… | ||
| img066 | Letter deferring a matter due to concerns about literature falling into enemy hands. | ||
| View original record | Yr. ref: .../DS. RM/L. 10.8.40. International des Wagons Lits., Works Division, Simla House, LONDON. Dear Sirs, Thank you for your letter of the 8th. August. We are particularly anxious to avoid… | ||
| img067 | Letter to International Combustion Ltd. regarding the manufacture of mountings. | ||
| View original record | Yr. ref: CMM/DMCW Rm.D/EL. 3 10.8.40. International Combustion Ltd., Works Division, Sinfin Lane, DERBY. Dear Sirs, Thank you for your letter of the 8th. August. We are particularly anxious to avoid… | ||
| img068 | Design of the aiming handle for the 40mm Naval Gun type BD. | ||
| View original record | SECRET. To Rm. cr to Ve. cr to Rm/FJH. cr to Rm/HH. cr to Rm/CTS. (For Blk). re 40 m.m. Naval Gun type BD. On WPL.119 (original attached to Rm/HH's.copy of this memo.) we shew the fixing for the… | ||
| img069 | Letter to the British Power Boat Co. concerning proposed gun mounting specifications. | ||
| View original record | To Rm. c. to Ve. Ev.7/JH. 12th. August, 1940. British Power Boat Co. Hythe, Southampton. re Gun Mountings. Dear Sirs, When we saw your representative on the Range at Eastney Portsmouth last week, we… | ||
| img070 | Letter to The British Power Boat Co. Ltd. concerning a drawing for a new type of mounting. | ||
| View original record | GSG/MR. Rm.10/ML. Messrs. The British Power Boat Co.Ltd., HYTHE, Southampton. For the attention of Mr. G.S.Selman. Dear Sirs, Thank you for your letter of August 7th. We are arranging for our Mr.… | ||
| img071 | Programme of experimental work on the R.R. 40 MM. Gun, detailing trials for the loading mechanism, barrel temperature and buffer fillings. | ||
| View original record | COPY. To Rm. from Ve/NP. c. to HPS. c. to Rm/Hdy. Ve/NP.1/CB.14.8.40. PROGRAMME OF EXPERIMENTAL WORK ON R.R. 40 MM. GUN. Gun No. 11219. Hand Loading Mechanism Trial. To be assembled with new design of… | ||
| img072 | Further tests for a gun, including buffer fluid trials, load measurement, and mounting preparations for a Beaufighter aircraft. | ||
| View original record | COPY. Ve/NP.1/CB.14.8.40. - 2 - 2nd. Buffer filled with D.T.D. 44.B. Anto-freezing oil. Trial as with glycerine. 3rd. Buffer filled with Lockheed Hydraulic Brake Fluid. Trial as with glycerine.… | ||
| img073 | Letter to The Admiralty regarding a proposed simplified pedestal mounting for a 40 m/m gun. | ||
| View original record | W Rm.5/ML. 15.6.40. The Admiralty, Spa Hotel. BATH. Dear Sirs, for the attention of Admiral Whyham. We send you herewith a preliminary scheme drawing of the simplified pedestal mounting which we are… | ||
| img074 | Fitting of four 1/2 inch guns to a Spitfire wing and the resulting limitations. | ||
| View original record | COPY. Hs. from Rm. No.2/JL.15.8.40. ROLLS-ROYCE 1/2" GUN. Attached is a tracing showing four of the R.R. 1/2" guns with 250 rounds of ammunition per gun in a Spitfire wing, i.e. 8 rounds in all. It is… | ||
| img075 | Letter to the Admiralty proposing a simplified pedestal mounting for 40 m/m guns. | ||
| View original record | COPY. 3 Rm.5/ML. 15.8.40. The Admiralty, Spa Hotel, B A T H. Dear Sirs, For the attention of Admiral Whyham. We send you herewith a preliminary scheme drawing of the simplified pedestal mounting which… | ||
| img076 | Providing and designing armour shields for 40 m.m. Naval Guns on an Oerlikon Mounting. | ||
| View original record | SECRET. To-Rm. from SV. c. to Rm/FJH. or to Rm/RH. or to Ve. or to Blk. o. to H'st Ev.1/JB.16.8.40. re Armour Shields. 40 m.m. Naval Gun - Type BD. 1st. 36 guns. We have been requested to provide for… | ||
| img077 | Gunner's vision from the left-hand and right-hand sides. | ||
| View original record | Cont'd. In our case this is true on the L.H. side but greater vision is afforded the gunner on the R.H. side. SV. Original to Rm/PM. Print to Em, Rm/PSM. SV. BLK. HPS. | ||
| img078 | Secret memorandum about the design and provision of armour shields for the 40 m.m. Naval Gun. | ||
| View original record | SECRET. To Rm. from Ev. c. to Rm/FJH. c. to Rm/HH. c. to Ws. c. to Rlk. c. to HFB. Ev.1/JH.16.8.40. re Armour Shields. 40 m.m. Naval Gun - Type BD. 1st. 36 guns. We have been requested to provide for… | ||
| img079 | Gunner's vision on the left and right hand sides. | ||
| View original record | Cont'd. In our case this is true on the L.H. side but greater vision is afforded the gunner on the R.H. side. Ev. Original to Rm/RH. Print to Rm, Rm/FJH. Ev. BLk. HPS. | ||
| img080 | Parts list for the armouring of a 40 m/m Naval Gun, Type BD. | ||
| View original record | To WPG. from Rm/HH. c. Rm. c. Wr. c. We. c. Mer. c. Ray/W.H. Sec.1280 - Mounting & Fittings. QFL.123, Armouring for 40 m/m, Naval Gun. Type BD. Please receive herewith 2 prints of each of the… | ||
| img081 | Blueprints for the 40mm Naval Gun Type BD, Cradle & Fittings. | ||
| View original record | To. Mrs. from Ve/HGF. c. RM, Ev. c. RM/HH, RM/FJH. c. RM/CTS. (for Blx.) Ve/HGF.2/CB.17.8.40. 40 MM. NAVAL GUN TYPE BD. Cradle & Fittings, Section 1050. In accordance with Armrest to QFL.116, Ejector… | ||
| img082 | Instruction to scrap advance prints due to slight modifications on the pattern. | ||
| View original record | -2- T.D.SL/V NOTT 12/8/41 W.P.C. [illegible] 12 AUG 1941 .06.8.41.RSV/S.EIM/LV These are further to the advance prints forwarded by Ev. Kindly scrap these particular prints. Further slight… | ||
| img083 | Drainpipe mounting for a 40 mm. naval gun, type BD. | ||
| View original record | Rm. from Ev. re. DRAINPIPE MOUNTING. 40 mm. NAVAL GUN. TYPE BD. Attached to Rm/HH's copy of this Memo. are the originals of QPL.124. Sheets 1 and 2. showing the drainpipe mounting for the 40 mm. naval… | ||
| img084 | Letter to The British Power Boat Co. Ltd. regarding a Gun Mounting for a 40 m.m. type BL Gun. | ||
| View original record | (To Rm.) c. to Ve. c. to OTS. c. to FJH. 3 Ev.S/Jh. 14th. August, 1940. The British Power Boat Co.Ltd., Hythe, Southampton. For the attention G.S.Selman. Dear Sirs, re Gun Mounting 40 m.m. type BL… | ||
| img085 | Letter to a supplier requesting information and samples for hooks, eyes, and buckles for webbing equipment. | ||
| View original record | To Rm. c. to Ve. c. to CTS. c. to FJH. Ev.3/JH. 19th. August, 1940. Messrs. H.D. Jackson & Co.Ltd., Summit Works, Hospital Street, Walsall. Dear Sirs, We are in need of Hooks, eyes and buckles for use… | ||
| img086 | Letter to Smiths Ja king Systems Ltd. regarding the design and modification of a large hydraulic jack. | ||
| View original record | [Circled annotation: c. Rm] [Handwritten: 2] Ev.8/JH. 20th. August, 1940. SECRET. Messrs. Smiths Ja king Systems Ltd. Edware Road, Cricklewood, LONDON. N.W., For the attention of Donald Sessions Esq.… | ||
| img087 | Concluding page of a letter mentioning an attached rough sketch of a mechanism. | ||
| View original record | Cont'd. md (circled) Attached is a very rough sketch of the mechanism. We would welcome your help. Yours faithfully, H.I.F.Evernden, Reconnaissance Dept. for Rolls-Royce Ltd. 29 | ||
| img088 | Modifications to the 40 M.M. Naval Gun - Oerlikon Mounting & Fittings. | ||
| View original record | To: "EHY" from Hm/IST. c: "GTN" for Mk. c: Ve 40 M.M. Naval Gun - Oerlikon Mounting Mounting & Fittings - Section 1100 ALTERATION 226 Modifications have been made to the following Drawings: CH.120 -… | ||
| img089 | Confirming a scheme for recoil shields for Type BD 40 m.m. guns. | ||
| View original record | GUN 3 To Rm. c.c. to HS/HB. c.c. to Ver. c.c. to Rm/PJH. c.c. to Rm/oBc. (for Blackstone) re Recoil Shields. Type BD. 40 m.m. guns. We confirm that we handed to you today SPL.125 showing a scheme for… | ||
| img090 | The urgent production of an armour plate mock-up for an Oerlikon gun mounting. | ||
| View original record | HPS. from Rm. We understand that you now have the details for the armour plate to be fitted up on the Oerlikon mounting. Will you please make a mock-up of this as soon as possible as per the Minutes… | ||
| img091 | Blueprints for the Mountings & Fittings of a 40 m/m Naval Gun Oerlikon Mounting. | ||
| View original record | To HPS. from Rm/HH. c. Mr. c. CTS. for Blk. c. Rm/VJH. c. ZV. c. We. Rm/H1.1/SW.20.6.40. 40 m/m Naval Gun - Oerlikon Mounting. Mountings & Fittings - Sec.128Q. Please receive herewith 2 blueprints of… | ||
| img092 | Confirmation of a telegram sent to Roycar Derby regarding a missing gun drawing. | ||
| View original record | CONFIRMATION OF TELEGRAM. Rolls Royce The following is a duplicate of a Telegram sent to you this day, which is hereby confirmed. Date TO Roycar Derby Attention Ronskoffam gun drawing not yet received… | ||
| img093 | Letter from the Admiralty regarding a proposed 40mm gun mounting and shield. | ||
| View original record | COPY. ADMIRALTY, N.C. DEPARTMENT, SPA HOTEL, BATH. 21st, August. 1940. Messrs Rolls Royce Ltd., DERBY. Gentlemen, For the attention of Mr. W.A.Robotham. I am in receipt of your letter dated 15th.… | ||
| img094 | Letter from The British Power Boat Company confirming a telegram and urgently requesting a drawing. | ||
| View original record | DESIGNERS & BUILDERS OF THE WORLD'S FINEST CRAFT FOR SERVICE & PLEASURE CONTRACTORS TO THE ADMIRALTY WAR OFFICE AND AIR MINISTRY RACING SUCCESSES INCLUDE THE CHAMPIONSHIPS OF THE WORLD AMERICA,… | ||
| img095 | Request to Mr. Hardy of Clan Foundry to produce parts for an accelerometer for a 40 m/m gun recoil mechanism. | ||
| View original record | To HWS c. to Rm/Mr. Hardy (Clan Foundry). Lov/HWS.1/VR.21.8.40. ACCELEROMETER FOR GUN RECOIL MECHANISM, Hs.2957 We send you herewith a scheme Hs.2957 for this instrument which is urgently required for… | ||
| img096 | Parts and modifications for a recoil shield on a 40 m/m Naval Gun. | ||
| View original record | - 2 - To RM. From RM/HH. a. VP/EE. 40 m/m Naval Gun - Type BB. Cradle & Fittings Sec.10S0. Recoil Shield to FL. 125. In accordance with the above scheme, we have detailed the following, and attach… | ||
| img097 | Instruction memo requesting modification of cradle drawings and listing required standard parts. | ||
| View original record | - 2 - Will Ye/NP please have the drawings of the cradle QB.1900/1 modified to suit, and the previous parts added further to memo Hm/HH.1/Dn.19.8.40. to the cradle LOP. This completes the instructions… | ||
| img098 | Modifications to sight bracket positions for an Aluminium cradle on a BD type Naval Gun. | ||
| View original record | 3 To Ve/Robinson. cr to Ve. o. to Rm. cr to HPS. cr to Rm/HH. Ev.1/JH.22.8.40. re Aluminium cradle type BD. Naval Gun. Detail QB.1901. We have now settled the position for the sight brackets for the… | ||
| img099 | Letter to Smiths Jacking Systems Ltd. regarding prints for a pump, ram, and tank, confirming their parts are more suitable than the Hydrolift jack. | ||
| View original record | C.to Rm. C. to Ve. Ev.2/JH. 23rd. August, 1940. Messrs. Smiths Jacking Systems Ltd., Jackall Works, Edgware Road, LONDON. N.W.2. For the attention of D. Hession Esq. Yours ref. DWS/LKS. Dear Sirs, We… | ||
| img100 | Letter to The British Power Boat Co. Ltd. regarding the delay and design of a non-elevating mounting for a 40 m.m. type BD gun. | ||
| View original record | C. to Rm. c. to Ve. c. to CTS. for Blk. Ev.1/JH. 23rd. August, 1940. The British Power Boat Co.Ltd., Hythe, Southampton. For the attention of G.S. Selman Esq. Dear Sirs, re Gun Mounting - 40 m.m. type… | ||
| img101 | Letter to the Admiralty regarding the specification of a top ball bearing. | ||
| View original record | Rm.3/ML. 23.8.40. ADMIRALTY, N.O. Department, Spa Hotel, BATH. For the attention of Admiral Whyham. Gentlemen, Replying to your letter of the 21st. August, the top ball bearing is of the deep groove… | ||
| img102 | The addition of a Knob, Ejector, Trip for the 40 mm Naval Gun Type BS. | ||
| View original record | To HDS. from Ve/HGF. c.c. Hm, Bv. c.c. Rm/HM. Rm/FJM. c.c. Rm/OTS.(for-SAH) S H's Ve/HGF.5/CB.24.8.40. 40 mm. NAVAL GUN TYPE BS. Ejector Trip - Section 1010. Please receive herewith 3 copies of… | ||
| img103 | Final design for a 40 m.m. type BD Gun Aiming Handle & Body Sling Attachment. | ||
| View original record | To Rm. cc to Ve. cc to Rm/FJH. cc to Rm/HH. cc to Rm/CTS. for Blk. Ev.2/JH.24.8.40. re 40 m.m. type BD Gun Aiming Handle & Body Sling Attachment. We have now completed the final design for the aiming… | ||
| img104 | Letter from the Royal Arsenal requesting to see the design or drawings for an attachment for a 40mm A.A. mounting. | ||
| View original record | Form D.D.1. [Postage must be Prepaid on all Letters, etc., sent to this Office.] Telephone: WOOLWICH 2080. Ext: Please quote in your reply D 346/12 Your Ref. ROYAL ARSENAL, WOOLWICH, S.E. 18. 27th… | ||
| img105 | Acknowledgement of receipt for drawings related to a 40mm Mk.I gun from the Armaments Inspection Department. | ||
| View original record | C.I.A 18 a. Telegraphic Address:- "Inspection," Woolwich. Please quote in reply:- 45625/1 ARMAMENTS INSPECTION DEPARTMENT, ROYAL ARSENAL, WOOLWICH, S.E.18. 3 October 1939 Messrs. Rolls-Royce Ltd.… | ||
| img106 | Letter to the Chief Superintendent of Design regarding design schemes for the Bofors Gun. | ||
| View original record | # 3 Rm.5/MH. 3rd. October, 1939. The Chief Superintendent of Design, Royal Arsenal, Woolwich, LONDON, S.E.18. .Your Ref: D.346/12. Sir, We thank you for your letter of the 27th. September. Owing to… | ||
| img107 | Proposed trip to Woolwich Arsenal regarding sights made for the Bofors gun. | ||
| View original record | To Vl. from Rm. Rm.5/MH.5.10.39. Further to our telephone conversation, I should be glad to know when you are proposing going to Woolwich Arsenal as may be we can combine trips and go by road, as I… | ||
| img108 | Letter from the Royal Arsenal's Design Department acknowledging receipt of a prior communication. | ||
| View original record | Form D.D.3. [Postage must be Prepaid on all Letters, etc. sent to this Office.] Telephone: WOOLWICH 2080. EXT._____ Please quote in your reply D.346/12 Your Ref. Rm.5/MH. DESIGN DEPARTMENT, ROYAL… | ||
| img109 | Short memo from Rm. to Ve. regarding a visit to Frazer Nash and an attempt to loan a .5 Browning. | ||
| View original record | To Ve. from Rm. 3 Rm.20/MH.24.10.39. Hs. tells me that you are going down to see Frazer Nash and I should very much liked to have come and had a look at the turrets with you, but unfortunately, I have… | ||
| img110 | Arrangements for a visit to Bristol Aeroplane Co. to discuss fitting a 40mm cannon into a Beaufighter. | ||
| View original record | To Ver. c. to Rm. 3 Hs.12/KW.9.11.39. I have spoken to Mr. Fedden and he has made all the necessary arrangements for you to visit Mr. Frieze at the Bristol Aeroplane Co., to have a discussion with him… | ||
| img111 | Visit to Boscombe Down to assess the installation of proposed 15mm guns in place of .303 guns on Spitfire and Hurricane aircraft. | ||
| View original record | SECRET. COPY TO Hm. To Hs. from Ve/NF. Ve/NF.2/CB.18.1.40. INSTALLATION OF PROPOSED 15 mm. GUN IN PLACE OF EXISTING .303 GUNS IN SPITFIRES, HURRICANES, ETC. Report of Visit to Boscombe Down. Present… | ||
| img112 | Examination of gun installations on various British aircraft. | ||
| View original record | -2- Ve/NP.2/CB.18.1.40. Installations examined were :- Spitfire. The space available in the wing is governed by the rectangle formed by the leading edge, two adjacent ribs and the spar. The ammunition… | ||
| img113 | Page discussing cramped gun installations and requesting drawings of Spitfire, Hurricane, and Nash & Thompson turrets. | ||
| View original record | -3- Ve/NP.2/CB.18.1.40. on their sides. The whole arrangement is very cramped and is an installation we would prefer to avoid. It is a much more difficult proposition than the equivalent Frazer Nash… | ||
| img114 | Requesting statistics on gun and ammunition loads for Spitfire and Hurricane aircraft. | ||
| View original record | To Ve. From Rm. G. Hs. SECRET Rm.9/MH.9.2.40. GUN SPECIFICATION. This is to confirm that you will prepare some statistics to show how the number of guns and quantity of ammunition that can be carried… | ||
| img115 | Letter to Commander Oswald of the Admiralty, enclosing a blueprint of a Nash and Thompson Turret. | ||
| View original record | [Handwritten: AA W Seen p/f] Ho/M.14/K. [Handwritten: February] 14th November, 1940. Commander Oswald. R.N., The Admiralty, Whitehall, LONDON.S.W.1. Dear Sir, Enclosed herewith is a blue print of the… | ||
| img116 | Clarifying that guns and mountings are to be regarded as separate units for all processes, and defining the scope of their respective index sheets. | ||
| View original record | To Hs. from Ve. c. Rm. HPT. c. C/Rb. Ev. c. Er/Brns. D/H. c. D/H. Rm/MH. c. Hey/Rm/CJS. to be issued under the fol ref: Ve/3/DB:29.6.40. -: Unifile 3 Rolls-Royce Guns and Mountings. Guns and mountings… | ||
| img117 | Prefix letters for issuing drawings related to gun schemes, details, and mountings. | ||
| View original record | E/H.E.25 / 24.MAY.18 H.E. Dept. File Copy To:- Mr. Wormald. Mr. Rowledge. Mr. Hall. Mr. Hives. E Drawings will be issued under the following prefix letters :- Gun Schemes - GS. Gun Details - GD. Gun… | ||
| img118 | Confirming a discussion on gun installation schemes for aircraft wings and turrets. | ||
| View original record | Vo. from Rm. o, Ev. o, Rm/PJH. File 3 Rm.1/Ev.4.7.40. INSTALLATION. Confirming a discussion which took place on Wednesday afternoon, July 3rd. Ev. and his staff are prepared to do what they can to… | ||
| img119 | Delivery and testing of a naval gun mounting to be adapted for a 40 mm gun. | ||
| View original record | HPS. from Rm. O. Ve. 3 A gun mounting isbeing sent over from Coventry tomorrow, Friday July 5th. marked for the attention of the Experimental Department. As soon as this gun mounting arrives we should… | ||
| img120 | L.M.S. Railway consignee's copy consignment note for goods sent from Coventry Depot. | ||
| View original record | L.M.S. Railway. The Railway Company is requested to receive as consignment the mentioned goods, as per address and particulars on this note, subject to the conditions relating to Government traffic on… | ||
| img121 | Listing parts and blueprints for a 40mm gun on an Oerlikon mounting. | ||
| View original record | To Rm c/c to Ey 3 Rm/HH 1/10.7.40. 40 M/M GUN ON OERLIKON MOUNTING. to PL 281. Please receive herewith 2 blueprints of each of the following:- RP. 1347. Sid Plate-RH. 1 off RP. 1348. "-LH. 1 off RP.… | ||
| img122 | Attachment of a 40 m.m. gun to an Oerlikon Mounting. | ||
| View original record | To Rm. c.c. to Rm/HH. Ev.2/JH.10.7.40. re 40 m.m. Gun on Oerlikon Mounting. Attached to this memo. is the original of PL.281 showing the rapid way to attach the 40 m.m. gun to the Oerlikon Mounting.… | ||
| img123 | Request for drawings showing the external configuration of a 40 m.m. gun for an Oerlikon mounting. | ||
| View original record | c. to Rm. Gun We have been requested to make a finished scheme for the mounting of the 40 m.m. gun on the Oerlikon mounting type 3SLs of which we now have full particulars. Before we can start we… | ||
| img124 | Temporary scheme for mounting a 40 m.m. gun on an Oerlikon mounting. | ||
| View original record | To - Va. c. to Rm. Ev.1/JH.13.7.40. We have been requested by Rm. to send you a print of PL.281 showing a temporary scheme for mounting the 40 m.m. gun on the Oerlikon mounting with head No.149.Mk.1.… | ||
| img125 | Analysis of gun and ammunition weights for fighter aircraft. | ||
| View original record | 3 Gun Ye. from Rm. Rm.2/JMS/13.7.40. Many thanks for the arrangement drawing of the QA.1192. I presume that the installation drawing which Ev. requires is following. You will remember that you made an… | ||
| img126 | Post Office telegram to Robotham at Roycar Derby to confirm a visit from Selman Power. | ||
| View original record | POST OFFICE TELEGRAM RECEIVED: PM 1 14 No.: 0156 OFFICE STAMP: DERBY 4 SEP 40 Prefix: 19 Time handed in: 11.40 Office of Origin: HYTHE HANTS SO 15 To: ROBOTHAM ROYCAR DERBY Handwritten Note: GUN… | ||
| img127 | Letter to Messrs. Hampton & Sons Ltd. regarding the production of two sample belts for a 40mm gun. | ||
| View original record | EXPERIMENTAL DEPARTMENT. Bm/CTS.10/ET. Messrs. HAMPTON & Sons Ltd., Pall Mall, LONDON S.W. 1. 5th September, 1940. Dear Sirs, 40 mm. Type B.D. Gun. (Mark III) ---------- We enclose herewith two prints… | ||
| img128 | Letter to Commander Robertson regarding a list of spares and the proofing of guns manufactured by the British United Shoe Machine Co. | ||
| View original record | COPY FOR FILE. Rm.1/ML. 5.9.40. Commander Robertson, R.N. Empire Hotel, BATH. Dear Commander Robertson, Thank you for your letter of the 28th. August. I understand that by now you will have received… | ||
| img129 | Letter to Commander Gilbert regarding an instruction book, trial weapons, and an Oerlikon handbook. | ||
| View original record | C O P Y. Rm.7/ML. 6.9.40. Commander W.R. GILBERT, H.M.S. EXCELLENT, PORTSMOUTH. Dear Commander Gilbert, Thank you for your letter of the 2nd September. The instruction book is well in hand and we will… | ||
| img130 | Typed message to Supermarin's Chief Designer regarding a power boat gun installation. | ||
| View original record | SMITH CHIEF DESIGNER. SUPERMARIN. SHALL BE AT POWER BOAT SOUTHAMPTON TOMORROW FRIDAY MORNING SHOULD LIKE TO SEE YOU RE GUN INSTALLATION WILL RING YOU ON ARRIVAL. ROBOTHAM. ROLLS ROYCE. | ||
| img131 | Message for Robotham from the Admiralty confirming the arrival details of Mr. Baird. | ||
| View original record | COPY. 8.9.40. ROLLS ROYCE DERBY FOR ROBOTHAM FROM C I G M ADMIRALTY REF YOUR LETTER RM6/ML 4TH SEPT MR BAIRD WILL ARRIVE DERBY 11.36 MONDAY 9TH SEPT AND WILL COME STRAIGHT TO YOUR WORKS | ||
| img132 | Letter from the Naval Ordnance Department concerning the development and procurement of automatic and semi-automatic guns. | ||
| View original record | C O P Y. 3 Naval Ordnance Department, Admiralty, Spa Hotel, B A T H. 9th September, 1940. Dear Robotham, Many thanks for your letter of the 4th September, which I have not answered before as I have… | ||
| img133 | Letter to Vickers-Armstrong Ltd. regarding the testing of the Griffon engine mounting and a prototype aircraft power plant. | ||
| View original record | COPY. Yr ref. SM/10595/C. Rm.10/ML. 10.9.40. G. SMITH, Esq., Vickers-Armstrong Ltd., Supermarine Works, SOUTHAMPTON. Dear Mr. Smith. I have had a talk with our people regarding the tests of your… | ||
| img134 | Issuance of vouchers for Oerliken hulps. | ||
| View original record | From. A.G.M.O. COVENTRY. To. Manager, Eng. Dept Rolls Royce Derby 3 Herewith D. 184 Vouchers for... Oerliken hulps... recently issued to you. Will you please sign for receipt. Original and Duplicate… | ||
| img135 | Yard issue note for the delivery of Griffon engine mountings for an aircraft. | ||
| View original record | D.—184. PAD DUPLICATE. MARGIN FOR BINDING The N.S. Officer is requested to deliver :— To...Experimental Dept. Place of Delivery...Hyde Space for Bundle Stamp YARD ISSUE NOTE. N.S. Req. No. 1022… | ||
| img136 | Letter to The British Power Boat Co. Ltd. regarding the development status of a power-driven gun mounting for a prototype boat. | ||
| View original record | Rm.9/ML. 10.9.40. Messrs The British Power Boat Co.Ltd., Hythe. SOUTHAMPTON. For the attention of Mr. G.Wells. Dear Sirs, Further to our conversation on Friday last regarding the power driven mounting… | ||
| img137 | Requesting particulars of spares, a pressure gauge, tool kit, and other miscellaneous pieces for a gun. | ||
| View original record | Ve. from Rm. c. Rm/CTS. 3 Rm.7/ML.11.9.40. Will you please let Rm/CTS. have particulars of the spares that you wish to be despatched with the first gun. Also details of the pressure gauge for checking… | ||
| img138 | Outlining the programme for the first and second service trials of the 40 m.m. Naval Gun type BD. | ||
| View original record | To Rm/CTC. c. to Rm. c. to Rm/HH. Ev.1/JH.11.9.40. 40 m.m. Naval Gun type BD. At the suggestion of Rm/CTC. who is now to handle the commercial side of the type BD gun, mountings, etc. we are making a… | ||
| img139 | Production and development of guns, including materials, mountings, and collaboration with external companies. | ||
| View original record | -2- Ev.1/JH.11.9.40. It will have a ammunition tray to QPL.113 and armouring shields which we are now engaged in designing. We have no delivery date that we know of for this gun and do not know where… | ||
| img140 | Fabricating an experimental power mounting for a turret base. | ||
| View original record | -3- Ev.1/JH.11.9.40. Yesterday we sent to Rm., complete details and L.O.P.'s. and arrangements of the turret base which it is proposed to ask the L.M. & S.R. to fabricate. The intention we believe, is… | ||
| img141 | Appendix sheet listing parts and reference numbers for a First Service Trials Gun. | ||
| View original record | Ev.1/JH.11.9.40. Appendix Sheet 1. First Service Trials Gun. Single Shot Gun with alum. cradle to QB.1900/1. Mounting - Oerlikon. PL.292 (2 sheets) bought out. Mounting Brackets and trunnion QPL.113.… | ||
| img142 | Appendix sheet listing components and part numbers for the Second Service Trials Gun. | ||
| View original record | Ev.1/JH.11.9.40. Appendix Sheet 2. Second Service Trials Gun. Single shot gun with alum. cradle to QE.1801/1. Mounting - Pedestal (QPL.124 (2 sheets) Armrest. (QPL.127 Ejector shield. QPL.117 ° Aiming… | ||
| img143 | Letter to Commander Young of the Royal Navy confirming details for a gun supply, including armour plating modifications. | ||
| View original record | copies to Vo. and Hv. M RM.6/AL. 11.9.40. Commander Young, R.N. H.M.S.Excellent, PORTSMOUTH. Dear Young, Confirming your visit yesterday. 1. We are increasing the depth of the armour plating on the… | ||
| img144 | Correspondence regarding the delivery and mounting of guns with associated armoured shields and lockers. | ||
| View original record | - 2 - Cont'd. 7. You will approve of the "ready-use" locker as seen on the Range today. 8. We hope to deliver the first gun to the Power Boat Company, Southampton, sometime next week. This gun will be… | ||
| img145 | Letter from the Director of Naval Ordnance confirming a gun mounting for Motor A/S boat No: 15. | ||
| View original record | COPY. ref: G.6909/40. 11.9.40. Gentlemen: Rolls Royce Guns. I have to acknowledge receipt of your letter dated the 6th. September, 1940. Hm.9/ML. and to request that you will confirm that the mounting… | ||
| img146 | Letter to Commander Young confirming details for an Oerlikon gun mounting, including armour modifications and supplied accessories. | ||
| View original record | COPY. Rm.6/ML. 11.9.40. Commander Young, R.N. H.M.S. Excellent, PORTSMOUTH. Dear Young, Confirming your visit yesterday. 1. We are increasing the depth of the armour plating on the Oerlikon mounting… | ||
| img147 | Letter detailing the progress and delivery schedule for guns and related mountings, including the Oerlikon and pedestal types. | ||
| View original record | - 2 - Cont'd. Rm.6/ML.11.9.40. 7. You will approve of the "ready-use" locker as seen on the Range today. 8. We hope to deliver the first gun to the Power Boat Company, Southampton, sometime next week.… | ||
| img148 | Letter to the British Power Boat Co. Ltd. discussing Admiralty specifications for gun armour plate and mounting weights. | ||
| View original record | Rm.5/ML. 11.9.40. G.S.Selman,Esq., British Power Boat Co.Ltd., HYTHE. Southampton. Dear Mr. Selman, We had the Admiralty people up here today to give us the final specification for the gun we are… | ||
| img149 | Development of pedestal mountings and light ammunition boxes for military applications. | ||
| View original record | - 2 - Cont'd. pedestal mounting has not yet been completed. You may rest assured, however, that we shall urge this lightened type of mounting as far as we can. I think that they will insist upon your… | ||
| img150 | Letter to the Naval Ordnance Department regarding a fully automatic 40mm gun. | ||
| View original record | 3 Rm.14/IL. Captain Slaytor, Naval Ordnance Department, Admiralty, Spa Hotel, BATH. Dear Slaytor, Many thanks for your letter of the 9th. September. I note what you say about the fully automatic gun.… | ||
| img151 | The design specifications and modifications for a Face Armour Shield (Type BD) for a Naval Gun. | ||
| View original record | To Rm. c. to Ve. (crossed out) c. to Rm/FJH. (crossed out) d. to Rm/HH. (crossed out) e. to Rm/CTS. (crossed out) re Face Armour Shield type BD. Naval Gun. On QPL.134 (original already sent to Mr.… | ||
| img152 | The design, materials, and manufacturing costs for an armrest on an ED type naval gun. | ||
| View original record | 3 To Rm. from Ev. c. to Vc. c. to Rm/FJH. c. to Rm/OTS. c. to Rm/HH.\n̶c̶.̶ ̶t̶o̶ ̶H̶P̶S̶/̶B̶u̶t̶l̶e̶r̶.̶ Ev.7/JH.13.9.40. re Armrest type ED. Naval Gun. We record in brief the general points which… | ||
| img153 | Revised design of armour shields for a type BD Naval Gun with an Oerlikon mounting. | ||
| View original record | 3 To Rm. c. to Ve. c. to Rm/FJH. c. to Rm/H. c. to Rm/CTS. Ev.2/JH.13.9.40. Re Armour Shields type BD. Naval Gun. Oerlikon Mounting. We have already handed to Rm/HH. the original of QPL.135 showing… | ||
| img154 | The delivery of the 40 mm Naval Gun Type BL. | ||
| View original record | Ev. from Rm. c. Rm/CTS. c. Rm/HH. Rm.16/ML.13.9.40. re 40 mm. NAVAL GUN. TYPE BL. With reference to Ev.1/JH. 11.9.40. here is some more information. 1. The second gun, on the pedestal mounting, must… | ||
| img155 | Spare parts list for a 40 mm Naval Gun, Type BD. | ||
| View original record | 3 To HPS/LB. Rm/CTS.2/LT.14.9.40. 40 mm. NAVAL GUN - TYPE BD. Herewith a list of spare parts which was issued in Ve/NP.2/CB.6.9.40. This list was issued to B.U.S.M. Ltd. in letter re- ference… | ||
| img156 | Secret memo discussing the design and issues with armour shields for a type BD Gun on an Oerlikon Mounting. | ||
| View original record | SECRET. To [strikethrough]Vo[/strikethrough], from Ev. c. to Rm. Ev.2/JH.14.9.40. re Armour Shields for type BD. Gun. Oerlikon Mounting. You will have received Ev.2/JH.13.9.40. and a print of QPL.135… | ||
| img157 | Letter to Commander Young regarding the dispatch of a gun and a delay in its delivery. | ||
| View original record | cc. Vc. and Lv. file RM.5/ML. 16.9.40. Commander Young R.N. H.M.S.Excellent, PORTSMOUTH. Dear Young, I received the following letter from the D.N.C. this morning. As a result of this I rang up Captain… | ||
| img158 | Letter to the Admiralty regarding a change in instructions for a gun mounting and the status of its manufacture. | ||
| View original record | cc. Ve. Wv. Cdr. Young. file RM.4/ML. 16.9.40. This in reply to [illegible handwriting] Capt. Green, The Admiralty, Empire Hotel, BATH. Dear Captain Green, Confirming our telephone conversation this… | ||
| img159 | Letter clarifying the required mounting for a second gun, discussing an Oerlikon mounting and concerns over shield weight. | ||
| View original record | - 2 - Cont'd. We are not quite clear what mounting you require for the second gun. We have an Oerlikon mounting, complete with shields, as requested by Commander Young and feel that if, at any time,… | ||
| img160 | Letter to the British Power Boat Co. regarding a change by the Admiralty to a lightened, pedestal type of gun mounting. | ||
| View original record | Rm.6/ML. 16.9.40. G.S.Selman,Esq., The British Power Boat Co., HYTHE, [struck through] Southampton. Dear Selman, Further to my letter of 11.9.40. The Admiralty have now changed their minds and you are… | ||
| img161 | Letter from the Director of Navy Contracts confirming the cancellation of an order for Mark XIV Guns. | ||
| View original record | COPY. C.P. IB/74940/40 Director of Navy Contracts. Admiralty, Royal School, Lansdown Road. BATH. 16th. September. 1940. Gentlemen, Q.F. 2 pdr. Mark XIV Guns complete. Order C.P.60604/40.P.089/60.… | ||
| img162 | The design and quantity requirements for a 40mm Naval Gun, Type BD, body strap. | ||
| View original record | 3 To HPS. from Rm/CTS. Rm/CTS.1/ET.16.9.40 RE 40 MM. NAVAL GUN - TYPE BD. Further to your memo HPS.6/VS.25.9.40, attached is a copy of a letter received from Hamptons concerning the body strap. We are… | ||
| img163 | Letter from Hampton & Sons Ltd. concerning revised Body Straps for a 40 mm. Type BL. Gun. | ||
| View original record | COPY. HAMPTON & Sons Ltd. Decorators & Furnishers, PALL MALL EAST, LONDON S.W. 1. Our ref. GS/52. For the attention of C.T.SALT Esq. Your ref. Em/CTS.10/ET. 23rd September, 1940. Messrs. Rolls-Royce… | ||
| img164 | Request for information on best naval practice for a gun tool box, addressed to Commander Young at H.M.S. Excellent. | ||
| View original record | C O P Y. 3 17.9.40. COMMANDER YOUNG H.M.S. EXCELLENT PORTSMOUTH WE ARE GETTING OUT A TOOL BOX FOR THE GUN AND WOULD LIKE SOME INFORMATION AS TO THE BEST NAVAL PRACTICE. SHOULD BE GRATEFUL FOR ANY… | ||
| img165 | Letter from the British Power Boat Company regarding a proposal to design a lightweight ammunition box. | ||
| View original record | DESIGNERS & BUILDERS OF THE WORLD'S FINEST CRAFT FOR SERVICE & PLEASURE CONTRACTORS TO THE ADMIRALTY WAR OFFICE AND AIR MINISTRY RACING SUCCESSES INCLUDE THE CHAMPIONSHIPS OF THE WORLD AMERICA,… | ||
| img166 | The Admiralty's change of requirements for 40mm gun mountings. | ||
| View original record | HPS. from Rm. Rm.1/ML.17.9.40. 3 MOUNTINGS FOR 40 mm. GUN. The Admiralty changed their minds again yesterday as to the mounting which they require on the first gun. They have now called for the… | ||
| img167 | Modification of armrests for type BD Naval Gun bronze cradles. | ||
| View original record | To Rm. from Ev. c. to Rm/CTS. re Armrest for type BD Naval Gun Bronze Cradles. On QPL.133 (original attached to Rm/HH's copy of this memo.) we shew the modified armrest and fixings for use with the… | ||
| img168 | Confirming details about armour shields for a Type BD Naval Gun on a non-elevating mounting. | ||
| View original record | 3 To Rm. from Ev. c. to Ve. c. to Rm/CPS. c. to Rm/HH. Ev.4/JH.18.9.40. re Armour Shields - Type BD Naval Gun Non elevating Mounting We confirm that you took away with you yesterday CPL.136, shewing… | ||
| img169 | Manufacturing queries and issues with the first sample of a 40 m/m Naval Gun mounting. | ||
| View original record | 3 To Rm. from Rm/CTS. c.c. Ev. c.c. Rm/LH. c.c. HPS/LB. Rm/CTS.1/SW.18.9.40. 40 m/m Naval Gun Type BD. Mountings (LMS) Production of first sample pedestal type to QPL.124 and QPL.127. Now that the… | ||
| img170 | Drawings and correspondence with LMS and the Admiralty regarding weapon mountings and armour. | ||
| View original record | - 2 - It should be recorded that they were unable to do anything about armour on this first mounting, as they were not issued with the drawing until the mounting had been despatched. ------------- For… | ||
| img171 | Letter from The British Power Boat Company thanking for advice and confirming they will be supplied with a lightweight pedestal type of mounting. | ||
| View original record | DESIGNERS & BUILDERS OF THE WORLD'S FINEST CRAFT FOR SERVICE & PLEASURE CONTRACTORS TO THE ADMIRALTY WAR OFFICE AND AIR MINISTRY RACING SUCCESSES INCLUDE THE CHAMPIONSHIPS OF THE WORLD, AMERICA,… | ||
| img172 | Supply of standard spanners for the tool kit of a 40 mm Naval Gun, Type BL. | ||
| View original record | To Sft. from Rm/CTS. Copy to Ve/NP. Rm/CTS.5/ST.20.9.40. 40 mm. NAVAL GUN - TYPE BL. -------------------------- Included in the specification of the above is a tool kit, a proportion of whicn is made… | ||
| img173 | Letter from the C.I.N.O. Department clarifying proofing and inspection procedures for guns. | ||
| View original record | 3 make a copy for 4 C.I.N.O. Department, Empire Hotel, Bath. 26th September, 1940. Dear Mr. Robotham, Many thanks for your letter Rm.1/ML dated 5th September, 1940 and also for the list of spares. I… | ||
| img174 | Gun deliveries and the logistics of fitting shields to mountings. | ||
| View original record | C O P Y. HPS. from Rm. c. Ve. c. Ev. c. Rm/CTS. Rm.4/ML.21.9.40. 3 Re. GUN DELIVERIES We have received the attached telegram from the Admiralty. Since the first gun has gone to Hythe without shields… | ||
| img175 | Copy of a telegram from the Admiralty regarding priority delivery instructions for gun mountings. | ||
| View original record | COPY OF TELEGRAM RECEIVED FROM THE ADMIRALTY. PRIORITY ROBOTHAM ROYCAR DERBY. IMMEDIATE FROM DNO BATH YOUR RM4/ML OF 16TH SEPTEMBER FIRST EQUIPMENT COMPLETE OF GUN AND PEDESTAL MOUNTING WITH SHIELD TO… | ||
| img176 | Letter to British Power Boat Co. Ltd. regarding the design of a light ammunition box. | ||
| View original record | Rm.9/ML. 21.9.40. G.C.Selman, Esq., British Power Boat Co.Ltd., HYTHE. Southampton. Dear Mr. Selman, Thank you for your letter of the 17th. September. We have no design for a light ammunition box and… | ||
| img177 | Letter to the Naval Ordnance Department regarding notes and a print for the mounting of naval guns. | ||
| View original record | COPY. To Rm. Rm/CTS. Ve. Ev.10/JH. 19th September, 1940. O. Baird, Esq., Naval Ordnance Department, Spa Hotel, B A T H. Dear Sirs, re TYPE B.D. NAVAL GUNS. Attached to this letter are some notes which… | ||
| img178 | Mounting for the 40 mm Naval Gun, Type BD, confirming the Oerlikon mounting will not be used. | ||
| View original record | 3 To HPS. from Rm/CTS. Rm/CTS.2/ET.23.9.40. 40 mm. NAVAL GUN - TYPE BD. MOUNTINGS. Attached is a copy of a confirmatory letter from Ev. to the Admiralty, of notes he received over the telephone. You… | ||
| img179 | Notes on a telephone conversation regarding mountings and shields for the Type BD Naval Gun. | ||
| View original record | C O P Y. Ev.10/JH. 19th September, 1940. NOTES ON TELEPHONE CONVERSATION WITH Mr. O. BAIRD OF THE NAVAL ORDNANCE DEPARTMENT SPA HOTEL, BATH. --------------------------------- re TYPE BD. Naval Gun.… | ||
| img180 | Confirming a telephone conversation regarding an order for 12 S.104 name plates for a 40mm Naval Gun, Type BD. | ||
| View original record | To Roy/TWC. from Rm/CTS. 3 Rm/CTS.3/ET.23.9.40. 40 mm. NAVAL GUN - TYPE BD. Confirming our telephone conversation, will you please send a covering order to the manufacturers of S.104 name plates,… | ||
| img181 | Letter from H.M.S. EXCELLENT concerning Oerlikon mountings and requirements for a tool box. | ||
| View original record | H.M.S.EXCELLENT. Portsmouth. 23rd. September. 1940. Dear Robotham, Many thanks for your letter about mountings. I am sorry that I led you astray over the Oerlikon mountings, but it is so very… | ||
| img182 | Modifications to the Recoil Shield Type BD Gun. | ||
| View original record | To Rm. [Redacted] c.c. [Redacted] c. [Redacted] Ev.3/JH.24.9.40. 3 MODIFICATIONS TO RECOIL SHIELD TYPE BD GUN. Owing to our not having been informed of a change of design of the breech ring, the… | ||
| img183 | Layout of toolbox trays and equipment for a 40 m/m Gun - Type BD. | ||
| View original record | To Mess. from Rm/HH. c. Rm. c. Hives. c. W. c. Er. [Handwritten]: 3 Rm/HH.2/SW.24.9.40. 40 m/m Gun - Type BD. Tools & Equipment - Section 1290. Layout of Toolbox Trays to QPL.138. As requested, we… | ||
| img184 | Visit to a supplier to source a half-gallon recoil fluid can, listing potential firms and pricing. | ||
| View original record | - 2 - With reference to the ½ gallon recoil fluid can, to obtain particulars of a suitable can, we paid a visit to Messrs. Daltons (Silkolene) Co., of Belper, who provided us with a sample which we… | ||
| img185 | Letter to The Admiralty regarding adaptors and shields for Q.F. 2 pdr. Mark XIV guns to fit Oerlikon mountings. | ||
| View original record | COPY. Rm.10/ML. 24.9.40. The Admiralty, Royal School, Lansdown Road, BATH. For the attention of the Director of Navy Contracts. Dear Sirs, Q.F. 2 pdr. Mark XIV. Guns complete. Order No: C.P. 60604/40.… | ||
| img186 | The installation and service trials for a 40 m/m Type 'BD' Naval Gun. | ||
| View original record | To Rm. [redacted] from HPS. c.c. Dr. [redacted] c.c. Mr. [redacted] c.c. Mr. [redacted] HPS.4/VS.25.9.40. 40 m/m. Type 'BD' Naval Gun. We attach hereto copy of brief report received by our Mechanic,… | ||
| img187 | Letter regarding the delivery and upcoming firing trials for a 40 m/m gun, listing three points for attention. | ||
| View original record | COPY. c/o The British Power Boat Co., Hythe, Southampton. 23.9.40. Dear Sir, The R.R. 40 m/m. Gun No.S.4870 was safely delivered to the British Power Boat Company on Saturday, 21st September at 2.0… | ||
| img188 | Request to increase an order to cover 50 plates mentioned in previous correspondence. | ||
| View original record | To Roy/TWO. from Em/CTS. 3 Em/CTS.4/AT.26.9.40. In reply to your Roy/TWO.8/LG.24.9.40 and further to our Em/CTS.3/AT.23.9.40, will you please increase the order concerned to cover the 50 plates… | ||
| img189 | Name plates for a 40mm Naval Gun, referencing a letter from Rudd & Co. | ||
| View original record | To H.E.H. from Am/CTS. Copy to Vs/NP. 3 40 mm. Naval Gun- Type B. S.104 Name Plate -------------------------------- Attached is a copy of a letter received from Rudd & Co. in connection with name… | ||
| img190 | Very urgent purchase order for chemically engraved brass name plates sent to Messrs. E. Rudd & Co. | ||
| View original record | COPY. o/52072 3 TWO. 21st Sept. 1940. Messrs. E. RUDD & Co., Island Works, Holyhead Rd., Handsworth, BIRMINGHAM 21. A.27955. Contract No. S.53324. Plate. 12 by post on Monday next the 23rd inst., as… | ||
| img191 | Letter to the British Power Boat Co. Ltd. regarding gun trials and a power-driven mounting for a boat. | ||
| View original record | Bm.4/ML. G.S.Selman,Esq., British Power Boat Co.Ltd., HYTHE. Southampton. 29.9.40. Dear Selman, I attended the Gun Trials on Friday last. We appear to have got away with at least 500 lbs. less than… | ||
| img192 | Letter to London, Midland & Scottish Railways Ltd. concerning a design discrepancy in a 40mm gun mounting. | ||
| View original record | COPY. 3 Rm.2/ML. 30.9.40. - Ivatt,Esq., London, Midland & Scottish Railways Ltd., DERBY. Dear Sir, MOUNTINGS - 40 mm. GUN. Tests were carried out on the pedestal type mounting, by the Admiralty… | ||
| img193 | The charging and supply of pedestal mountings for a 40 m/m Type 'BD' Naval Gun. | ||
| View original record | 3 To Rm. from HPS. HPS.1/VS.30.9.40. 40 m/m. Type 'BD' Naval Gun. Pedestal Mountings. According to advice notes received from the L.M.S. the first three pedestal type mountings are being charged… | ||
| img194 | Letter to the British Power Boat Company regarding a Type BD pedestal-mounted gun. | ||
| View original record | To Rm. c.c. to Rm/GTS. EW.4/JH. 3 1st. October, 1940. SECRET. The British Power Boat Co.Ltd., Hythe, Southampton. For the attention of G.S.Selman Esq., Dear Sirs, re Type BD. Gun on Pedestal Mounting.… | ||
| img195 | Letter discussing the arrangement for jig drilling bolt holes on a mounting base. | ||
| View original record | Cont'd. We are arranging for the bolt holes on the mounting base to be jig drilled, and located and indexed relative to the parking stop. Yours faithfully, H.I.F.Evernden, Chief of Design, Gun… | ||
| img196 | Letter to British Power Boat Co. Ltd. detailing the specifications for a new power-driven mounting for a 40mm gun. | ||
| View original record | c. to Rm. e. to Rm/GTS. Ev.3/JH. 1st. October, 1940. SECRET. British Power Boat Co.Ltd., Hythe, Southampton. For the attention of G.S.Selman Esq. Dear Sirs, re Power Mounting of Type BD. Gun. We… | ||
| img197 | Adjusting washers for the trunnion pins of a 40 m/m BD type gun's naval mounting. | ||
| View original record | COPY. To HPS. from Rm/HH. c. Rm. c. Rm/CTS. Rm/HH.1/SW.1.10.40. 3 40 m/m BD Type Gun. Pedestal type Naval Mounting. Further to my communication to the LMS reference Rm/HH.1/SW. Item 5. Adjusting… | ||
| img198 | Letter outlining five modifications for the 2 Pdr. Q.F. Mark IIV Gun. | ||
| View original record | COPY. Copies to :- Rm. Ev. HPS. 3rd October, 1940. Ve/NP.7/CB. Lt. Commander Young, H.M.S. EXCELLENT, Portsmouth. Rolls-Royce 2 Pdr. Q.F. Mark IIV Gun. Dear Commander Young, The following… | ||
| img199 | Letter from the Chief Engineer of the Armaments Division regarding gun modifications and proofing. | ||
| View original record | -2- (6) The aiming handle is being turned through 180° which will allow it to clear the ammunition tray and so allow the gun to elevate to a full 60° (7) A complete tool kit with air bottle, cleaning… | ||
| img200 | Letter from L.M. & S. regarding alterations and production arrangements for 40mm gun mountings. | ||
| View original record | COPY OF LETTER RECEIVED FROM L.M. & S. WW.6102/193/9 3rd. October. 1940. W.A.Robotham,Esq., Messrs Rolls Royce Ltd., DERBY. Dear Sir, MOUNTINGS - 40 mm. GUN. With reference to your letter of the 30th.… | ||
| img201 | Letter to The British Power Boat Co. regarding the dispatch of a gun barrel extension for a Motor A/S Boat. | ||
| View original record | Copies to :- Rm. HPS. Ve/NP.8/CB. 3rd October, 1940. The British Power Boat Co., Ltd., Hythe, SOUTHAMPTON. For the attention of Mr. Selman. Dear Sirs, We are despatching to you tomorrow morning by… | ||
| img202 | Letter to London, Midland & Scottish Railways regarding drawings for a prototype mounting and gun. | ||
| View original record | COPY. Hm.19/ML. 4.10.40. H.J.Ivatt,Esq., London, Midland & Scottish Railways Ltd., DERBY. Dear Sir, With reference to your letter of the 3rd. October. We agree with you that in the future it would be… | ||
| img203 | Attaching photographs of a pedestal type mounting complete with the latest armour plate. | ||
| View original record | To - Rm. C - EV. Lov/Cr.2/ET.4.10.40. 3 I attach herewith the latest photographs we have taken of the pedestal type mounting complete with the latest armour plate. ........... Lov/Cr. | ||
| img204 | Photograph of a 40mm Naval Gun pedestal, type B.D., MII. | ||
| View original record | Plaque: ROLLS-ROYCE, 40 M/M NAVAL GUN, TYPE B.D., PEDESTAL TYPE MII, HIGH ELEVATION, 16.9.40. Chalk writing: AIR, MR HAMPTON, SYSTEM, SLOT. | ||
| img205 | Photograph of a pedestal mount for a 40mm naval gun. | ||
| View original record | ROLLS-ROYCE 40 M/M NAVAL GUN TYPE B.D. PEDESTAL TYPE MII RDV 51 (PARTIAL) 26 8 40 x | ||
| img206 | Letter from the British Power Boat Company discussing successful gun trials and proposing a collaboration on a power-driven mounting. | ||
| View original record | 3 GENERAL MANAGER'S OFFICE The British POWER BOAT Co LTD HUBERT SCOTT-PAINE MANAGING DIRECTOR HYTHE, SOUTHAMPTON. ENG. TELEPHONE: HYTHE 201 (10 LINES) TELEGRAMS: POWER, HYTHE, HANTS. October 5. 1940.… | ||
| img207 | Progress and issues related to various gun installation projects. | ||
| View original record | SECRET To Rm. from Ev. Ev.2/JH.5.10.40. 3 Re Gun Installation Section. We think it might be advantageous to outline the progress of the Gun Installation Section up to date. 1. Type B.D. Naval Gun - on… | ||
| img208 | Progress report on the 40 m.m. Gun & Beaufighter project. | ||
| View original record | SECRET TO Mr. Hall FROM Mr. VE VE.S/LH.C.10.40 4. 40 m.m. Gun & Beaufighter. We can make but little progress with the installation until we receive a scheme, or even a project of the feed which it is… | ||
| img209 | Letter to Captain Green confirming responsibility for prototype 40 mm Mk. XIV gun mountings and discussing modifications by L.M. & S. Railways. | ||
| View original record | COPY. Rm.3/ML. 6.10.40. Captain Green, Empire Hotel, BATH. Dear Captain Green, Further to our telephone conversation, we should like you to confirm that Rolls Royce are responsible for the prototype… | ||
| img210 | Dispute over modifications made by L.M. & S. to a 4 O. mm. gun mounting. | ||
| View original record | Ye. from Rm. c. Hs. c. Ev. Rm.5/ML.6.10.40. 4 O. mm. GUN MOUNTING. The L.M. & S. modified the horizontal parking stop on the pedestal type mounting, and sent us a drawing of the modification the day… | ||
| img211 | The ordering of pressure gauges from Hopkinsons for guns. | ||
| View original record | FOR 'MTL' GUN To Ve/MP. from Bm/CTS. Bm/CTS.3/ET.8.10.40. PRESSURE GAUGES. ------------- 3 Attached hereto is a letter we have received from Hopkinsons. The three gauges mentioned have been ordered by… | ||
| img212 | Requesting official confirmation from the Admiralty regarding the satisfaction of Arm Rests and Gunners Belts for a 40 m/m Type 'BD' Naval Gun. | ||
| View original record | [Handwritten] Rm/ETS when can we expect a reply - 3 Bm To Rm. from HPS. HPS.4/VS.10.10.40. 40 m/m. Type 'BD' Naval Gun. May we remind you that we have not yet received official confirmation as to… | ||
| img213 | Letter to S.N. Barker of British Power Boat Co. Ltd., acknowledging correspondence and promising to submit a preliminary scheme. | ||
| View original record | Hm.8/M. 10.10.40. S.N.Barker,Esq., British Power Boat Co.Ltd., HYTHE. Southampton. Dear Mr. Barker, Thank you for your letter of October 5th. We will submit a preliminary scheme of what we are doing,… | ||
| img214 | Production Gun Mounting, specifically the Non-Elevating Pedestal Mounting Type B.3. | ||
| View original record | To Ex. from Rm/HH. c. Rm. c. HES. c. Br. c. Rw/CTS. Rm/HH.10/SW.14.10.40. Production Gun Mounting. Non Elevating Pedestal Mounting Type B.3. Sec.1280 - Mounting & Armour. To LOP.QR.243 (See Remarks)… | ||
| img215 | Letter from the Admiralty to Mr. Robotham regarding design, production, and responsibility for prototype mountings. | ||
| View original record | COPY. ADMIRALTY, NO. DEPARTMENT, SPA HOTEL, BATH. 14th. October. 1940. W.A.Robotham, Esq., Messrs Rolls Royce Ltd., DERBY. Dear Mr. Robotham, I have by me your letter of the 6th. October addressed to… | ||
| img216 | Request to send an official order to The Metal Box Co. Ltd. for 3 1/2 gallon oil cans for a 40mm gun. | ||
| View original record | For ML To Roy. from Rm/CTS. Copy to HPS/LB. 3 Rm/CTS.6/LT.15.10.40. 40 mm. GUN. ----------------- Will you please send an official order to:- The Metal Box Co. Ltd., Dairycoates Works, Gipsyville, H U… | ||
| img217 | Letter to The British Oxygen Co. Ltd. regarding the urgent procurement of 500 air bottles for the Admiralty. | ||
| View original record | For 'ML' GUN EXPERIMENTAL DEPARTMENT. 3 Rm/CTS.1/ET. 15.10.40. The British Oxygen Co. Ltd., Lodge Road, Hockley, BIRMINGHAM 18. Attention of Mr. J.G. Williams. Dear Sirs, Our Armament Section have… | ||
| img218 | Letter to Chesterfield Tube Co. requesting the supply of air bottles for the Admiralty. | ||
| View original record | For TWL ? GUN 3 EXPERIMENTAL DEPARTMENT. Ros/CTS.8/ET. 15th October, 1940. Chesterfield Tube Co. C H E S T E R F I E L D. Dear Sirs, We have been advised by the British Oxygen Co. of Hockley,… | ||
| img219 | Confirmation of handover and specification for 1/4 gallon rectangular oil tins for a 40mm gun. | ||
| View original record | For ML To HPS/LB. from Rm/CTS. Copy to Ve/NP. 3 Rm/CTS.7/ET.15.10.40. 40 mm. GUN ------- Sec. 1290. (Tools and Equipment) This is to confirm that we have handed to you today:- 3 plain 1/4 gallon… | ||
| img220 | Reply to Captain Green regarding responsibility for mounting design during wartime. | ||
| View original record | Vo. from Rm. c. Hs. c. Hv. Rm.6/HT.16.10.40. I have had the attached reply to my letter to Captain Green, re the responsibility for mounting design. I should think the proposed procedure should… | ||
| img221 | Letter to The British Power Boat Co. Ltd. requesting drawings of a boat's stern for an artistic representation of a gun mounting. | ||
| View original record | [ C. to Rm. ] 3 Ev.1/JH. 16th. October, 1940. The British Power Boat Co.Ltd., Hythe, Southampton. For the attention of G.S.Selman Esq. Dear Sirs, re Power Mounting 40 m.m. Gun. We do not appear to… | ||
| img222 | From the Director of Navy Contracts regarding a charge for adaptors for Q.F. 2 pdr. Mk. XIV. Guns. | ||
| View original record | COPY. C.P. 1B/82581/40. MEMORANDUM. From: Director of Navy Contracts, (Branch 1.F.) Royal School, Lansdown Road. BATH. To:- Messrs Rolls Royce Ltd., Nightingale Road, DERBY. 17th. October. 1940. Q.F.… | ||
| img223 | Submission of a design for an identification plate for a 40mm Naval Gun. | ||
| View original record | To Ve/NP. from Rm/CTS. 3 Rm/CTS.5/MT.17.10.40. 40 mm. Naval Gun - Type BD. (Further to your memo Ve.10/CH.8.10.40) We notified you about a week ago that the L.M.S. Railway had been told by the… | ||
| img224 | Voucher form for the rail shipment of two drums of mineral lubricating oil. | ||
| View original record | S.—1401. } (Outside.) O.—2. NAVAL ARMAMENT AND TORPEDO STORE ACCOUNTS. (Revised Feb., 1939.) 3 VOUCHER FORM—Outside Sheet. † Invoice No. † Date of Reporting: 17-10-40 † Return Note No. Date Issue… | ||
| img225 | Letter to Admiral Whyham enclosing scheme drawing QR.243 for a mounting tested at Portsmouth. | ||
| View original record | Rm.13/ML. 18.10.40. Admiral Whyham, The Admiralty N.O.Department, Spa Hotel, BATH. Dear Admiral Whyham, Thank you for your letter of the 14th. October. I enclose a scheme drawing of the mounting which… | ||
| img226 | Modifications to a bronze cradle to fit a shoulder piece, with a final drawing to follow. | ||
| View original record | HPS. from Rm. Rm.2/ML.18.10.40. Herewith the modifications necessary to the bronze cradle in order to enable the shoulder piece to be fitted, the mould for which you are just completing. A final… | ||
| img227 | Following up on a telephone conversation and enclosing a consignment note for two drums of mineral lubricating oil. | ||
| View original record | HPS. from Rm. Rm.13/ML.19.10.40. Further to our telephone conversation to your office this morning, herewith the consignment note and copy, for 2 drums of mineral lubricating oil. Will you please deal… | ||
| img228 | Request from the Admiralty for the scrap value of unrequired Oerlikon mounting adapters. | ||
| View original record | HPS/Mr. Priestley. from Rm. Rm.7/ML.19.10.40. We have had a note from the Admiralty asking us what is the value of the scrap involved, due to making adapters for the Oerlikon mounting which will not… | ||
| img229 | Modifications to an armrest for a Type BD Naval Gun. | ||
| View original record | To Rm. from Ev. c.c to Rm/OTS. 3. Ev.1/JH.19.10.40. Armrest for Type BD. Naval Gun with Bronze Cradle. We confirm that you took away with you on the morning of October 18th. 1940. QPL.151 which shewed… | ||
| img230 | Drilling, boring, reaming, and rifling operations for 40 m/m barrels. | ||
| View original record | To Rm/FJH. from HPS/Cy HPS/Cy.1/IC.20.10.40. 40 m/m Barrels. In reply to your Rm/FJH.1/DN.18.10.40., we attach tabulated particulars in regard to sizes and locations for the Drilling, draw boring,… | ||
| img231 | Table of specifications for various stages of 40 m/m barrel manufacturing. | ||
| View original record | Sizes and Locations for 40 m/m Barrel. Drill 1st draw bore. 2nd draw bore. Draw Ream. Rifling. Muzzle 3.000 dia. 4 point adjustable running steady 2.875 dia. 4 point adaptor. 2.875 dia. 4 point… | ||
| img232 | Blueprint detailing the machining operations for a 40mm barrel. | ||
| View original record | 40 M/M BARREL 4 JAW CHUCK 5.000 DIA. -1/16 OP N. 1 - DRILL. 4 POINT RUNNING STEADY 3.000 DIA. -1/16 OP N. 1 DRILL 4 POINT ADAPTOR 2.875 DIA. -5 OP N. 4 - 1ST DRAW BORE. 4 POINT RUNNING STEADY 5.000… | ||
| img233 | Blueprint detailing various machining operations on a component. | ||
| View original record | ROLLS-ROYCE LTD., PRINT ROOM, 21 OCT 1940, DERBY., 2ND DRAW BORE, OPN. 10 - 2ND. DRAW BORE., 4 POINT ADAPTOR, 4 JAW CHUCK, 2.875 DIA. -.5, OPN. 13 - DRAW REAM., 4.125 DIA., OPN. 25 - RIFLING., 4 POINT… | ||
| img234 | Jammed recoil mechanism on Gun No. 11242 due to incorrect assembly. | ||
| View original record | COPY. Ev. from Ve/NP. Ve/NP.2/CB.18.10.40. Gun No. 11242 (the first gun delivered to the Admiralty) was recently sent back from Southampton in No. 3. mounting to have a flame guard fitted. When it was… | ||
| img235 | Correct procedure for handling an issue with adjustable washers on a Pedestal Mounting Type BD Gun. | ||
| View original record | COPY. Rm. from Ev. c. Ve. Ev.2/JH.21.10.40. re Pedestal Mounting Type BD. Gun. We have received the attached Memo. from Ve. in view of your Rm.6/ML.16.10.40. to which was attached a copy of a letter… | ||
| img236 | Letter to The British Power Boat Co. Ltd. regarding gun mounting particulars. | ||
| View original record | Ev.5/JH. 23th. October, 1940. The British Power Boat Co.Ltd., Hythe, Southampton. For the attention of G.S. Selman Esq. Dear Sirs, We thank you for A.24313 shewing the zone of prohibited fire for the… | ||
| img237 | Correspondence regarding a jammed recoil mechanism on a 40mm Naval Gun due to omitted washers during assembly. | ||
| View original record | Rm.19/ML. 23.10.40. The Admiralty, N.O.Department, Spa Hotel, BATH. For the attention of Rear Admiral Whyham. Sirs, QF. 2 pdr. Mk. 14. 40 mm. NAVAL GUN. The following trouble has occurred on the first… | ||
| img238 | Zone of fire for a Type BD Gun on a Motor Torpedo Boat, referencing blueprint A.24313. | ||
| View original record | 3 To VE. from Ev. c. to Rm. Ev.6/JH.23.10.40. re Zone of Fire - Type BD. Gun. on Motor Torpedo Boat. We have received the attached blue print A.24313 from the British Power Boat Co. as the result of a… | ||
| img239 | Letter from the Admiralty acknowledging receipt of a drawing for a 40mm mounting scheme. | ||
| View original record | COPY. ADMIRALTY, N.O.DEPARTMENT, SPA HOTEL, BATH. 24th. October. 1940. W.A.Robotham,Esq., Messrs Rolls-Royce Ltd., DERBY. Dear Mr. Robotham, Many thanks for drawing No: QR.243. shewing the scheme… | ||
| img240 | Correspondence concerning alterations to a pedestal gun mounting due to difficulties with the Admiralty. | ||
| View original record | Vs/RP. from Hm. C. Ev. Hm.R/HL.24.10.40. 18.10.40. With reference to Vs/RP.2/CB. In view of the somewhat difficult attitude of the Admiralty towards alterations to the pedestal mounting, I have sent… | ||
| img241 | Letter from H.M.S. EXCELLENT detailing trial modifications to an ejection chute and a loading platform. | ||
| View original record | Copies to Rm. Ev. H.M.S. EXCELLENT, 3 PORTSMOUTH. No. X.250/11. 25th October, 1940. Gentlemen, With reference to your VM/NP.3/CB. dated 17th October, 1940 it is desired to make certain modifications… | ||
| img242 | Small-scale project for a loaders platform on a Type BD Gun. | ||
| View original record | To Rm. from Ev. ~~to Rm/CTS~~ ~~to Rm/HH~~ Ev.3/JH.26.10.40. 3 re Loaders Platform - Type BD. Gun. On QPL.152 (original attached to Rm/HH's. copy of this memo. we shew a small scale project of a… | ||
| img243 | Letter to the Admiralty regarding modifications for a QF 2 pdr. Mk. XIV 40 mm. Naval Gun mounting. | ||
| View original record | Rm.13/EL. 31.10.40. The Admiralty, N.C.Department, Spa Hotel, BATH. For the attention of Admiral Mayhew. Gentlemen, QF. 2 pdr. Mk. XIV. 40 mm. NAVAL GUN. We attach hereto sketches showing the… | ||
| img244 | Modifications to adjusting washers for trunnion pins on a 40mm gun mounting. | ||
| View original record | To Rm. from Rm/HH. C. Wa. C. Dr. C. Haywood. Rm/HH.3/SW.25.10.40. 40 m/m Gun Mounting. Adjusting Washers for Trunnion Pins. We send you herewith print of QPL.153 showing modifications necessary to… | ||
| img245 | Meeting notes concerning the production, mounting, and development of 40mm guns. | ||
| View original record | Hs. from Rm. c. Sg. c. Ve. c. Lr/Brns. Rm.4/ML.30.10.40. NOTES ON A MEETING HELD ON 29.10.40. Present : Hs. Ve. Ve/NP. Rm. 40 mm. GUN. 1. PRODUCTION. Two guns only have been delivered with potentially… | ||
| img246 | The development and installation of 40mm and half-inch guns, including range modifications and related contracts. | ||
| View original record | - 2 - Cont'd. 4. INSTALLATION OF THE 40 mm. GUN IN BEAUFIGHTER. The necessary design work is going ahead. It is considered that the installation bits will be available by the time there is a… | ||
| img247 | The need to obtain invoices for expenditures on Oerlikon Mountings parts before submitting a figure to the Admiralty. | ||
| View original record | COPY. Rm. from HPS/CEP. c. G/Rb. HPS/CEP.7/EP.25.10.40. Oerlikon Mountings. Referring to Rm.7/ML.19.10.40. before a com- prehensive figure can be submitted to the Admiralty showing expen- diture… | ||
| img248 | The Type B.3 40 m/m gun mounting, specifically the trunnion pin assembly. | ||
| View original record | To Rm. from Rm/HH. c. Ve. c. HPS. c. Rm/CTS. 3 Rm/HH.3/SW.30.10.40. Type B.3. 40 m/m Gun Mounting. Herewith blueprint of QR.257, giving particulars of trunnion pin assembly to cradle. These figures… | ||
| img249 | Letter from The British Aeroplane Co., Ltd. to W.A. Robotham at Rolls-Royce concerning gun and cannon installations on aircraft. | ||
| View original record | C O P Y. 3 The British Aeroplane Co., Ltd., Filton House, B R I S T O L. Your ref. Rm.9/ML. Our ref. Tech/D/F/40/177. 31st October, 1940. W.A. Robotham, Esq., Messrs. Rolls-Royce Ltd., D E R B Y. Dear… | ||
| img250 | Letter discussing design considerations for gun ejection and feed mechanisms in turrets. | ||
| View original record | - 2 - is fired, with sufficient advance and lag to prevent damage from the shells. I think it would pay you to consider something of this kind in the early stages of your firing mechanism design.… | ||
| img251 | Notes on the alignment and range of adjustment for fixed guns on aircraft. | ||
| View original record | COPY. S.B.853. SECRET. January 1940. NOTES ON ALIGNMENT AND RANGE OF ADJUSTMENT OF GUNS. PART I. FIXED GUNS. 1. In aircraft equipped with fixed guns firing nominally in the line of flight, the… | ||
| img252 | Specifications for aircraft gun mounting alignment, tolerance, and dispersion. | ||
| View original record | - 2 - the gun positions to be checked for conformity with the drawings. 4. In the case of aircraft equipped with only one fixed gun, the gun mounting is to be non-adjustable and its alignment to… | ||
| img253 | Specifications for gun mounting adjustments in two and four-gun turrets. | ||
| View original record | C O P Y. S E C R E T. PART II - TURRET GUNS January, 1940. 1. In turrets equipped with two guns, the gun mountings must be provided with means of adjustment in both horizontal and vertical planes, so… | ||
| img254 | Letter to Messrs. Marshall Bros. regarding a sample brush for a 40mm Naval Gun cleaning rod. | ||
| View original record | GUN 31st October 1940. 3 Rm/CTS.1/LT. Messrs. Marshall Bros. (B'rm) ltd., 288, Icknield Street, BIRMINGHAM. Dear Sirs, 40 mm. Naval Gun - Type BD. ------------------------ In accordance with your… | ||
| img255 | Dispatch request for one gun cleaning brush to Marshall Bros. Ltd. | ||
| View original record | GUN To Hd/FC. from Rm/CTS. Rm/CTS.2/ET.31.10.40. Will you please dispatch: One Brush (Gun cleaning) to Marshall Bros. Ltd., 288, Icknield Road, BIRMINGHAM. O/N. 60014 Rm/CTS. M | ||
| img256 | Letter to The British Power Boat Co. Ltd. regarding a power mounting for a 40mm gun. | ||
| View original record | c. to Rm. c. to Rm/CTS. 3 Ev.4/JH. 2nd. November, 1940. The British Power Boat Co.Ltd., Hythe, Southampton. For the attention of L.S.Selman Esq., Dear Sirs, re Power Mounting for 40 m.m. Gun. Very… | ||
| img257 | The temporary suspension of work on a tool box due to insufficient information. | ||
| View original record | To Rm. from Rm/HH. c.c. Rm/SWF. Rm/HH.1/SW.4.11.40. 3 I have temporarily held up work in connection with the tool box on account of insufficient information. As one attempt has been made to produce… | ||
| img258 | Contracts with the Admiralty for gun drawings, tracings, and mounting adaptors. | ||
| View original record | Eb. from Ea. 3 Es.S/ML.5.11.40. CONTRACTS WITH THE ADMIRALTY. It has now been agreed that we shall have no Contracts with the Admiralty other than for drawings and tracings of the gun. There is a… | ||
| img259 | Confirmation note for handing over one set of rods for a 40mm Naval Gun clearing brush. | ||
| View original record | GUN Vs/HP. from Rm/CTS. Rm/CTS.2/LT.8.11.40. 40 mm. NAVAL GUN - TYPE BD. --------------------- 3 This is to confirm that we have handed you one set of rods in connection with the clearing brush. These… | ||
| img260 | Requesting payment for a set of rods for a 40 mm Naval Gun. | ||
| View original record | M/- GUN 3 To Roy. from Rm/CTS. Rm/CTS.3/LT.8.11.40. 40 mm. Naval Gun - Type NU. ----------------------------- Will you please issue the necessary instructions for payment in connection with: one set… | ||
| img261 | Telegram concerning the dispatch of toolkits to Commander You G. at H.M.S. Excellent, Portsmouth. | ||
| View original record | 12.11.40. 3 COMMANDER YOU G. H.M.S. EXCELLENT. PORTSMOUTH. TWO TOOLKITS ALREADY DESPATCHED STOP THREE MORE COMPLETE KITS DESPATCHED YESTERDAY MAKING FIVE IN ALL ONE AIR BOTTLE SHORT FOR FIVE TOOLKITS.… | ||
| img262 | Design and provision of a toolbox for a 40mm gun, Type BD. | ||
| View original record | To Rm/HH. from Ve/HGF. Ve/HGF.3/CB.12.11.40. 40 mm. GUN, TYPE BD - TOOL BOX. Further to our memo Ve/HGF.1/CE.4.11.40, as we have not yet received the tools which we requested from the Admiralty, we… | ||
| img263 | The difficulty re-assembling a 40 m/m Type 'BN' Naval Gun No. S.4872. | ||
| View original record | 3 from HPS. C. Rm. HPS.1/VS.12.11.40. 40 m/m. Type 'BN' Naval Gun No.S.4872. On receipt of information that difficulty had been experienced in re-assembling the above gun, stationed at H.M.S. Osprey,… | ||
| img264 | The rusty condition of a boat-mounted gun due to exposure to the elements and lack of maintenance. | ||
| View original record | - 2 - The boat upon which this particular gun is installed has been on active service and the breech mechanism was found to be in a very rusty condition as the result of exposure to rain and sea… | ||
| img265 | Urgent shortage of essential tools for a 40 mm Naval Gun, Type BL. | ||
| View original record | GUN 3 To HPS. from Rm/CTS. Rm/CTS.2/ET.12.11.40. 40 mm. Naval Gun - Type BL. ----------------------------------- We have had an urgent call from Commander Young that they are very short of the… | ||
| img266 | Difficulties in designing a tool box for a 40 mm gun due to changing Admiralty specifications. | ||
| View original record | To: Ve. c. Ev. Rm/HH. TOOL BOXES FOR 40 MM. GUN Rm/HH has been trying to draw a tool box for the 40 mm. gun for the past month. Recently he stopped work on the job because the specification of the… | ||
| img267 | Note arguing against the Admiralty's request to include three screwdrivers in a kit when only one is required. | ||
| View original record | -2- To include at the Admiralty's request three screw drivers in a kit when themen who assemble the gun say only one is required, is surely nonsense. Rm. | ||
| img268 | Letter from R. T. Young to Mr. Robotham regarding the urgent requirement for handbooks and toolboxes. | ||
| View original record | Bordean House, Petersfield, 12.11.40 Dear Robotham, When I rang you up yesterday, I am afraid I forgot to mention handbooks. These are also an urgent requirement. A copy of your book has been sent… | ||
| img269 | The dispatch, tool kits, and disposition of a series of guns. | ||
| View original record | Rm. from Rm/CTS. Rm/CTS.5/ML.19.11.40. 3 GUNS AND TOOLS. All guns have been despatched with a very good tool kit (bearing in mind the very indefinite instructions issued by Vs.) These were housed in a… | ||
| img270 | Letter to Smiths Jacking System Ltd. following up on a previous request regarding portable hydraulic jacks and trunnion fittings. | ||
| View original record | [C. to Rm.] Ev.7/JH. 20th. November, 1940. Messrs. Smiths Jacking System Ltd., Jackall Works, Edgware Road, LONDON.N.W. For the attention of D.Sessions Esq. Dear Sirs, re Portable Hydraulic Jacks. We… | ||
| img271 | Letter to the Empire Rubber Company requesting a quote and delivery time for a tubular rubber seal for a tool box. | ||
| View original record | GUN 3 27th November, 1940. Rm/EAG.S/ET. H.G. MILES, Esq., Empire Rubber Company, DUNSTABLE, Beds. Dear Mr. Miles, We have designed a tool box which requires a rubber seal similar to the enclosed… | ||
| img272 | Confirming the handover of a blueprint for a No. 1 service tool-box for the 40 m/m Naval Gun and discussing its construction. | ||
| View original record | 3 To Mr [redacted] patt. shop. c. to Rm. c. [redacted] Rm/HH.1/SW.28.11.40. This is to confirm that we handed this morning to Mr. Bradley, a blueprint of QFL.162, which shows No. 1 service tool-box… | ||
| img273 | Listing the tools and equipment for a 40mm Naval Gun, Type BD, and requesting a sample leather tool roll. | ||
| View original record | To Mr. [illegible] from Rm/HH. Copy to Rm. 40 mm. NAVAL GUN - TYPE BD. Tools and Equipment - Sec. 1290 We are handing to you with this memo the following tools required on the above gun. The Admiralty… | ||
| img274 | Letter requesting details for a power-driven mounting for a new gun. | ||
| View original record | The British POWER BOAT Cº LTD HUBERT SCOTT-PAINE MANAGING DIRECTOR GENERAL MANAGER'S OFFICE HYTHE, SOUTHAMPTON, ENG. TELEPHONE: HYTHE 201 (10 LINES) TELEGRAMS: POWER, HYTHE, HANTS. 3 W. A. Robotham,… | ||
| img275 | Letter to Hall & Hall, Ltd. regarding a specific Sorbo rubber mounting for a tool box experiment. | ||
| View original record | GUN 3 5th December, 1940. Rm/HH.1/ST. Messrs. Hall & Hall, Ltd., Oldfield Works, HAMPTON. Middlesex. Dear Sirs, We have been endeavouring to telephone you today with reference to Sorbo Rubber… | ||
| img276 | Requesting another copy of a print (PL.70) for a portable hydraulic jack for Mr D. Sessions. | ||
| View original record | To EV/JD. c. to RM. Ev.4/JH.6.12.40. 3 re Portable Hydraulic Jacks Some while ago we asked Mr D. Sessions to make us a trunnion mounting for his hydraulic jack and sent a print of PL.70 showing the… | ||
| img277 | Distributing one copy of a drawing and one copy of a preliminary handbook for the 40 mm. Type BD Gun. | ||
| View original record | (copied) Installation pl Hampden & Manchester 3 To Rm. From Ve. Ve/NP.3/CB.6.12.40. Herewith one copy of drawing QB.2120, Installation Arrangement of the Rolls-Royce 40 mm. Type BD Gun on B.3… | ||
| img278 | Acknowledgement of receipt for a 40mm gun installation drawing and preliminary handbook. | ||
| View original record | Ve. from Rm. re pls - Installation pl (recto note) Rm.12/ML.7.12.40. #3 Many thanks for the installation drawing of the 40 mm. gun and the Preliminary Handbook. Rm. | ||
| img279 | Letter to Smith's Jacking Systems Ltd. regarding a proposed bumper fixing for portable hydraulic jacks. | ||
| View original record | c. to Rm. Ev.3/JH. 11th. December, 1940. Messrs. Smith's Jacking Systems Ltd., Jackall Works, Edgware Road, LONDON. N.W.2. For the attention of D.Sessions Esq. Dear Sirs, re Portable Hydraulic Jacks.… | ||
| img280 | The design and production of a No. 2 Service Tool Box for a Naval Gun. | ||
| View original record | 3 To Mr. [redacted] (Patt shop) c. to Rm. c. to [redacted] Rm/HH.3/SW.12.12.40. re Tool Boxes for Naval Gun. Please receive herewith 1 blueprint of the following :- QPL.163 No.2 Service Tool Box. This… | ||
| img281 | Letter to Mr. Barker of British Power Boat Co. Ltd. enclosing preliminary schemes for a power-driven mounting. | ||
| View original record | copy to Ve. 3 Rm.7/ML. 12.12.40. S.N.Barker,Esq., British Power Boat Co.Ltd., HYTHE. Southampton. Dear Mr. Barker, Thank you for your letter of the 5th. December. I enclose preliminary schemes of the… | ||
| img282 | Letter from The British Power Boat Company requesting information on the weight of an installation with an auxiliary pump and a timeline for fitting. | ||
| View original record | DESIGNERS & BUILDERS OF THE WORLD'S FINEST CRAFT FOR SERVICE & PLEASURE CONTRACTORS TO THE ADMIRALTY WAR OFFICE AND AIR MINISTRY RACING SUCCESSES INCLUDE THE CHAMPIONSHIPS OF THE WORLD, AMERICA,… | ||
| img283 | The design and production of tool boxes for a 40 m/m Gun, Type HD, for the British Power Boat Co. | ||
| View original record | To Rm. from Rm/HH. C. [REDACTED]. C. [REDACTED]. C. [REDACTED]. C. [REDACTED]. Rm/HH.3/SW.27.12.40. 40 m/m Gun - Type HD. re Tool Boxes. Following up the visit to the British Power Boat Co., at… | ||
| img284 | Letter to the British Power Boat Co. Ltd. regarding the prototype power-driven gun mounting and the Admiralty's lack of interest. | ||
| View original record | b Rm.10/ML. 28.12.40. G.S.Selman, Esq., The British Power Boat Co.Ltd., HYTHE. Southampton. Dear Mr. Selman, Thank you for your letter of the 19th. of December. We expect to have our first prototype… | ||
| img285 | Report from mechanic Morley detailing damage and repairs to a 40 m/m Type 'BD' Naval Gun. | ||
| View original record | To- [illegible] from HPS. Ra. 3 HPS.6/VS.28.12.40. 40 m/m. Type 'BD' Naval Gun No.S.4872. We give below copy of our mechanic Morley's report following his recent visit to Fort William in this… | ||
| img286 | Cover letter forwarding a request from the Admiralty for detailed lists for designs of tools and equipment. | ||
| View original record | GUN 3 To V.S. Rm.4/LT.29.12.40. Rm. has requested me to send you the enclosed letter from the Admiralty, ref. C.I.N.O. 7282/40. (dated 24th Dec) p.p. Rm. re detailed lists for designs of tools and… | ||
| img287 | The Power Boat Company's disagreement with the Admiralty on the use of power-driven automatic guns. | ||
| View original record | To Ve. from Rm. Copy to Sg. & Hs. (AUN (ML)) Rm.2/HT.30.12.40. 3 Herewith copy of letter received from Selman of the Power Boat Company, and also copy of our reply. It will be observed that the Boat… | ||
| img288 | Request to return various lock, bolt, and staple samples to the supplier Sidney Russel & Sons Ltd. | ||
| View original record | 3 Central Stores. Copy to D/BP. GUN EN/WAC.7/BP.30.12.40. Will you please return samples herewith to Sidney Russel & Sons Ltd., Wednesbury Road Works, WALSALL. 1.c.B 1 Padlock No. 600 1 Ditto No.1781… | ||
| img289 | Letter from The British Power Boat Company requesting a weight estimate for an automatic gun. | ||
| View original record | DESIGNERS & BUILDERS OF THE WORLD'S FINEST CRAFT FOR SERVICE & PLEASURE CONTRACTORS TO THE ADMIRALTY WAR OFFICE AND AIR MINISTRY RACING SUCCESSES INCLUDE THE CHAMPIONSHIPS OF THE WORLD AMERICA,… | ||
| img290 | Letter from The British Power Boat Company discussing the Admiralty's requirements for a 40mm gun. | ||
| View original record | 3 DESIGNERS & BUILDERS OF THE WORLD'S FINEST CRAFT FOR SERVICE & PLEASURE CONTRACTORS TO THE ADMIRALTY WAR OFFICE AND AIR MINISTRY RACING SUCCESSES INCLUDE THE CHAMPIONSHIPS OF THE WORLD AMERICA,… | ||
| img291 | Cover letter for a report on the state of design work in the Gun Installation Section. | ||
| View original record | To Rm. [Handwritten: Installation U/L 3] Ev.6/JH.17.1.41. re Gun Installation Section. Attached herewith is our report on the state of the design work in the gun installation section. Attached to the… | ||
| img292 | Review of the design position for 40mm and half-inch gun installations in a Beaufighter aircraft. | ||
| View original record | To Rm. from Ev. Ev.1/JH.15.1.41. As requested by telephone this morning we give below our review of the Design Position in the gun installation Section for both 40 m.m. and half inch weapons. 40 M.M.… | ||
| img293 | Various feed mechanisms and power mounting for a 40 M.M. gun. | ||
| View original record | -2- Ev.1/JH.15.1.41. The Ve Vertical Feed The Ve Vertical Feed (See GPL.165) as at present designed is most suitable as it calls for no modifications to the shape of the fuselage. It is easy to load… | ||
| img294 | Gun feed positions, power mountings, and the potential installation of a ½' gun in a Spitfire aircraft. | ||
| View original record | -3- Cont'd :- on the turret and the loader dashes out from cover to replenish it between bursts. The B.U.S.M. feed Forward Position. In this position the B.U.S.M. feed is still unloadable by a seated… | ||
| img295 | Installation and modification of Browning guns in Spitfire aircraft bays. | ||
| View original record | -4- Ev.1/JH.15.1.41. Cont'd :- 1/2" Browning are nearly identical. That is required is to lower the back end of the gun in the neighbourhood of the remote trigger motor and to reduce the width across… | ||
| img296 | Letter to the British Power Boat Co. regarding a report on the 40mm gun and arranging for its servicing before a boat launch. | ||
| View original record | Em.4/ML. 18.1.41. G.Selman,Esq., British Power Boat Co.Ltd., HYTHE. Southampton. Dear Selman, Herewith a copy of a report we have received from the Admiralty, on the Rolls Royce 40 mm. gun. If, in… | ||
| img297 | Secret report detailing the results and issues from gun trials on M.A./S.B. No: 19. | ||
| View original record | COPY. SECRET. To:- Sg. Hs. Bm. HPS. Ev. No: 738/X.1245/4. H.M.S. EXCELLENT, PORTSMOUTH. 31st. December, 1940. M.A./S.B. No: 19. REPORT OF GUN TRIALS. Be pleased to inform their Lordships that the gun… | ||
| img298 | Failures, defects, and missing components of a gun. | ||
| View original record | - 2 - 7. It is considered that the failure of the breech to close was caused by three factors :- (a) Dirt and dust in the mechanism. (b) Lack of lubrication. (c) A badly fitting extractor, or dirt in… | ||
| img299 | Letter discussing the feasibility of a 300 rounds per minute gun and arranging a demonstration. | ||
| View original record | SECRET 3 19th January, 1941. R.L./MT. G.S. Jackson, Esq., The British Power Boat Co, Ltd., Hythe, SOUTHAMPTON, Hants. Dear Mr. Jackson, Thank you for your letter of 18th January. I was interested in… | ||
| img300 | Invoice details and expenditure claim for a cancelled order of a Sample Gun Mounting QPL124. | ||
| View original record | Rm/CTS. blan WHE/L.B. c to Rm/CTS. Roy/TWO. 12/ES. 23.1.41. 3 Order No. A.26968 - Sample Gun Mounting QPL124. We have now received an invoice from the L.M.S. Railway Co. value £235/8/9d, the details… | ||
| img301 | Letter from the British Power Boat Company discussing gun specifications and arranging a demonstration. | ||
| View original record | Handwritten note: RH/HC. Remind me to let him know Handwritten note: Trial probably 10 days DESIGNERS & BUILDERS OF THE WORLD'S FINEST CRAFT FOR SERVICE & PLEASURE CONTRACTORS TO THE ADMIRALTY WAR… | ||
| img302 | Clarifying that an order for a sample gun mounting was not cancelled and requests payment. | ||
| View original record | To Roy/TWO. from Rm/CTS. (Copy) Rm/CTS.5/ET.27.1.41. B Order No. A.26968 SAMPLE GUN MOUNTING With reference to your Roy/TWO.12/LS.23.1.41, the order for the sample mounting was never cancelled.… | ||
| img303 | Request for two prints of the latest Vertical Magazine for a 40 m.m. gun. | ||
| View original record | copies :- Installation and mountings. B.U.S.M. file: To Rm. Ev.7/JH.29.1.41. 3 re 40 m.m. Gun Magazine and B.U.S.M. We confirm we would be glad if you could get for us 2 prints of Ve's. latest… | ||
| img305 | Weight balancing and material selection for an enlarged face shield on a Type BD gun. | ||
| View original record | To Rm. from Ev. [strikethrough]c. to Ve.[/strikethrough] [strikethrough]or to Rm/HH[/strikethrough] SECRET. Ev.3/JH.31.1.41. Enlarged Face Shield - Type BD. Gun. We are told that 30 lbs. weight of… | ||
| img306 | The increased size and weight balance of the Enlarged Face Shield Type BD Gun. | ||
| View original record | c. to Rm. Ev.1/JH.5.2.41. 3 re Enlarged Face Shield Type BD. Gun. With reference to the reply from Lt. R.F. Young concerning the increase in size of the face shield for the above gun and of which… | ||
| img307 | Two alternative design solutions for an enlarged face shield on a Type 'D' gun. | ||
| View original record | To-Ev. from Ve. c. to Rm. ENLARGED FACE SHIELD, TYPE "D" GUN. With reference to your Ev.1/H.G.S.50029, Lt. Commander Young, in his letter, had in mind two alternatives :- (1) To make the balance… | ||
| img308 | Delaying schemes until feedback is received from Commander Young regarding extra weight in an armrest. | ||
| View original record | .SV 0011.V8 9F 20.5.38 We will not press these schemes until we hear from Commander Young as to whether the extra weight in the arm rest alone will satisfy him. Ch. [Illegible text] .C.T. | ||
| img309 | Request to arrange the installation of a Powered Mounting and jettison system on a 15th cwt Army Truck. | ||
| View original record | To-MPS. from Ve/NP. c. to Rm. c. to Ev. [Handwritten note:] File Installation 3 Ve/NP.5/CB.10.2.41. Would you please arrange to put in hand the following work :- Installation of the Powered Mounting… | ||
| img310 | Relative merits of forward and rear magazines for 40mm guns. | ||
| View original record | To Rm. from Ve. c.c. Sg. Hs. C. UDS. Dv. 40 mm. GUNS. Relative Merits of Forward and Rear Magazines. (1) It has been decided to concentrate on the simple spring loaded magazine holding eight to ten… | ||
| img311 | Description of a forward type gun magazine, its loading cycle, and safety interlock mechanisms. | ||
| View original record | -2- Ve/NP.1/CB.11.2.41. In the forward type of Magazine the round can only be placed in the feed opening when the gun has completed its run-out. This makes a delay period whilst the round is being… | ||
| img312 | Letter to the British Power Boat Company regarding a demonstration of a 40 mm gun and power-driven mounting. | ||
| View original record | Rm.7/RH. 27th February, 1941. 3 G.W. Selman Esq., British Power Boat Company, Hythe, SOUTHAMPTON. Dear Selman, The 40 mm. gun and power driven mounting will be available for demonstration on Monday,… | ||
| img313 | Letter from The British Power Boat Company regarding gunnery trials for a 40 mm gun. | ||
| View original record | VE 3 TELEPHONE : HYTHE 201 TELEGRAMS : POWER, HYTHE, HANTS. THE BRITISH POWER BOAT COMPANY, LTD. HYTHE, Nr. SOUTHAMPTON. GSS/PG. 860 Messrs Rolls Royce Ltd., Derby. 13th March 1941. Dear Sirs, I have… | ||
| img314 | Letter to Smith's Jacking Systems enquiring about a replacement engine-driven pump for a hydraulic jack system on a truck. | ||
| View original record | c. to Rm. Ev.4/JH. 17th. March, 1941. SECRET. Smith's Jacking Systems Ltd., Jackall Works, Edgware Road, LONDON.N.W.2. For the attention of D. Sessions Esq. Dear Sirs, We have fitted up a pair of… | ||
| img315 | Letter to The British Power Boat Co. Ltd. regarding the availability of a 40 mm power-driven gun mounting. | ||
| View original record | C. Ve. Rm.5/ML. 18.3.41. G.S.Selman,Esq., The British Power Boat Co.Ltd., HYTHE. Southampton. Dear Selman, Thank you for your letter of the 13th. March. I do not think that the 40 mm. gun on the power… | ||
| img316 | Letter from The British Power Boat Company, Ltd. to Mr. Robotham regarding waiting for a gun to be sent South. | ||
| View original record | TELEPHONE : HYTHE 201 TELEGRAMS : POWER, HYTHE, HANTS. THE BRITISH POWER BOAT COMPANY, LTD., HYTHE, Nr. SOUTHAMPTON. GSS/PG.928. Your Ref: Rm.5/ML. 3 W.A.Robotham Esq, Messrs Rolls Royce Limited,… | ||