Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | Visit report to Taylor Brothers Ltd. in Manchester regarding the supply of steel, barrel forgings, and machinery. | ||
| View original record | Hs. from Rm. ROUGH COPY. Rm.2/ML.18.6.40. VISIT TO TAYLOR BROTHERS LTD., MANCHESTER. on Tuesday June 16th. we visited Taylor Bros. Manchester with the object of ascertaining whether we could get… | ||
| img002 | Conference notes on the design and production of a 40mm gun for aerodrome defence. | ||
| View original record | SECRET File Spec 2 Mem. from Mr. [Illegible] to Mrs. [Illegible] Im.6/T.28.6.40. NOTES ON GUN CONFERENCE AT LITTLEOVER. On Monday, June 24th.1940 DESIGN POSITION. This conference was called in order… | ||
| img003 | Meeting notes on gun barrel physical tests, design decisions, and approval for aerodrome defence. | ||
| View original record | - 2 - Cont'd. Physical Tests. The tests required will be taken in a transverse direction and will give the following physical properties :- Yield Stress 45/50 tons per sq. ins. Ult: " 60/65 " " "… | ||
| img004 | Directive on separating guns and mountings into distinct units and establishing drawing prefix letters. | ||
| View original record | C O P Y. To Hs. from Ve. C. Rm. HPS. G/Rb. Ev. Lr/Brns. D/L. D/BP. Rm/HH. Roy Rm/CTS. 2 Ve.3/CB.29.6.40. ROLLS ROYCE GUNS AND MOUNTINGS. Guns and mountings are now to be regarded as separate units.… | ||
| img005 | Letter chasing the Air Ministry for material release for 13.2 and 40 mm gun production. | ||
| View original record | COPY. Rm.3/ML. A.D. Arm. P.1. Air Ministry, Dept., Z.A. Harrogate. For the attention of Mr. M.A.C. MacDonald. Dear Mr. MacDonald, I should be very glad if you would remind Sir John Salmon that we want… | ||
| img006 | Letter to Sir Charles Craven regarding the urgency of 13.2 and 40mm guns for aerodrome defence. | ||
| View original record | C O P Y. Rm.4/ML. Sir Charles Craven, I.C.I. Offices, Millbank, Westminster. Dear Sir Charles, We had a visit from Sir John Salmon on Saturday last and showed him both the 13.2 and 40 mm. guns. He… | ||
| img007 | Notes on a visit by Sir John Salmon and Mr. MacDonald regarding 13.2 mm and 40 mm gun production. | ||
| View original record | Hs. from Rm. SECRET. Rm.8/IL.1.7.40. NOTES ON VISIT OF SIR JOHN SALMON AND MR. MACDONALD. ON SATURDAY JUNE 29th. 1940. 13.2 mm. GUN. The main purpose of this visit was to urge the production of the… | ||
| img008 | Letter inquiring about the supply of turned steel bars to specific material specifications from an alternative source. | ||
| View original record | c. Rm. c. Mr. Burton, The English Steel Corporation Ltd, Sheffield. Cgh/EM.17/J. 18th, July 1940. Messrs. Taylor Bros. Limited, Trafford Park, Manchester. Attention of Mr. Richard Taylor : Dear Sir,… | ||
| img009 | Letter from Taylor Bros. & Co Ltd concerning the supply of 9 inch diameter turned steel bars. | ||
| View original record | 2 TELEPHONES: TRAFFORD PARK 0492-0495. TELEGRAMS: CLARENCITE, MANCHESTER. TAYLOR BROS. & Co LTD. (REGISTERED OFFICE) TRAFFORD PARK STEEL WORKS, MANCHESTER, 17. LONDON OFFICE: VICKERS HOUSE, BROADWAY,… | ||
| img010 | Letter discussing the potential for Taylor Bros. of Manchester to produce 9' diameter cylinder liner steel bars. | ||
| View original record | Rm. Gun ? Cgh/EM.7/J.25.7.40. 2 Re: Taylor Bros. Manchester. I am attaching hereto a letter received from Messrs. Taylor Bros. in regard to a suggestion I made when we visited them regarding the… | ||
| img011 | Page 2 of a letter regarding persuading Mr. Robert Taylor on a matter and noting interest from Messrs. Rotol for bar forgings. | ||
| View original record | -2- Possibly you would like to have a word with Mr.Robert Taylor yourself on the matter, and see if it is not possible to persuade them to give this matter further consideration. Incidentally, Messrs.… | ||
| img012 | Outlining procedures for handling blueprints and drawings following the addition of a Production Department. | ||
| View original record | To: "Ve 2 Rml/Dn.26.7.40 BLUE PRINTS. ------------ Production. Now that we are adding a Production Department to the existing Design and Experimental Sections, it is necessary for a tracing of all… | ||
| img013 | Suggested allocation and issuance procedures for gun production drawings. | ||
| View original record | To :- Ve. c. Ev. c. Ve/NP. c. Rm/HH. c. HPS. Rm/CTS.1/DN.26.7.40. Gun Production Drawings. etc., Further to Ev.1/JH.26.7.40. we give herewith the suggested allocation of prints of drawings to cater… | ||
| img014 | Letter from the Admiralty concerning the procurement of American machines for 40mm gun production. | ||
| View original record | C O P Y. 2 A.S. /P.49. Admiralty Offices, Empire Hotel, B A T H. 29th July, 1940. For the attention of Mr. Robotham. Gentlemen, MACHINES REQUIRED FROM AMERICA FOR 40 mm. GUN PRODUCTION With reference… | ||
| img015 | List of queries concerning the mounting of 40mm Mark V guns onto an Oerlikon Mounting, specifically regarding the armoured shield, sights, and shoulder rest. | ||
| View original record | C O P Y. To Hm. c. to Ve. c. to Rm/RJH. c. to Ev/JD. Ev.4/JH.30.7.40. Re FIRST 25 40 MM. MARK V GUNS ON OERLIKON MOUNTING 3.SLA. We suggest that answers to the following queries should be obtained… | ||
| img016 | List of queries regarding the design and operational features of a gun mounting, including dampers, ammunition storage, and crew positions. | ||
| View original record | C O P Y. Ev.4/JH.30.7.40. - 2 - 4) Shock Damper. Do we require a Gordon Armstrong shock damper and if we do what sort of controls have we to provide. 5) Ammunition Tray. Should there be a tray for the… | ||
| img017 | Letter to the Admiralty regarding the purchase of American machine tools for 40mm gun barrel production. | ||
| View original record | C O P Y. ROLLS ROYCE LTD. DERBY Yr. ref: A.S./P.49. Our ref: Rm.9/ML. Admiralty Offices, Empire Hotel, B A T H. For the attention of Mr. A.J. Hunt. Dear Sir, With reference to your letter of the 29th… | ||
| img018 | Notes from a conference with the Admiralty concerning a contract for a gun. | ||
| View original record | E.m.b/A.L.b.8.40. NOTES ON CONFERENCE AT BATH. WITH THE ADMIRALTY. SUNDAY AUGUST 4th. 1940. Present : Admiralty. Rear Admiral Whyham. Capt. Slater. Capt. Green. Lt. B.Kingsmill. Mr. Ashworth. Rolls… | ||
| img019 | Meeting minutes discussing the planning and logistics of gun and barrel production using subcontractors. | ||
| View original record | Cont'd. 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 sub-contractors as far as… | ||
| img020 | Meeting minutes discussing gun forging, materials, and mounting production. | ||
| View original record | - 3 - Cont'd. 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 barrel could be rolled. It was… | ||
| img021 | Meeting discussing the challenges of gun production, including sub-contracting, machine tools, and barrel manufacturing. | ||
| View original record | - 2 - Cont'd. RM.G/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 could be produced, using… | ||
| img022 | Notes on a conference with the Admiralty regarding the urgent demand for a gun. | ||
| View original record | NOTES ON CONFERENCE AT BATH. WITH THE ADMIRALTY. SUNDAY AUGUST 4th. 1940. Present : Admiralty. Rear Admiral Whyham. Capt. Slater. Capt. Green. Lt. B.Kingsmill. Mr. Ashworth. Rolls Royce. Mr. Hives.… | ||
| img023 | Report discussing gun production, material sourcing, and the design of a simple gun mounting. | ||
| 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… | ||
| img024 | Letter to the Chief Inspector of Naval Ordnance about sourcing a suitable gunner's sling for the 40 mm Naval Gun Type BD. | ||
| View original record | C O P Y. Z Ev.3/JH. 7th August, 1940. Confidential. The Chief Inspector of Naval Ordnance, Empire Hotel, B A T H. For the attention of Cdr. Redman. Dear Sirs, Re 40 mm. Naval Gun Type BD. We are… | ||
| img025 | Visit to The British Tool & Engineering Co., Ltd, to assess their capacity for 40 M.M Gun Mark III production. | ||
| View original record | To: Rm. c: Rm. 2 Rm/CUS1/9.8.40 40 M.M GUN MARK III (Tm B.D) Production. --- Subject. Visit to: The British Tool & Engineering Co., Ltd, WOLVERHAMPTON. Purpose. To determine their possible capacity… | ||
| img026 | List of staff numbers and a detailed inventory of workshop machinery and their condition. | ||
| View original record | No 2. Total from Page 1..217 Women 18 and above = 9 (Skilled) " " " = 28 (Semi ") Girls under 18 ... 4 (Unskilled) --- 258 Less clerical staff 89 --- TOTAL 169 ====== 6) Departments. (a) Machines.… | ||
| img027 | Typed inventory list of machinery across various departments, detailing quantity, type, and specifications. | ||
| View original record | NO 1. Condition Drilling Machines. 6 - Drill Spindles up to 1" Good 12 - " " " " 5/8" " 6 - other Spindles " " 1 1/4" Old ----------------- Miscellaneous. 2 - Brooching Machines (Horizontal)… | ||
| img028 | Work underway at a factory, categorised by customer and priority, with conclusions on production capacity and bottlenecks. | ||
| View original record | No 4 Work upon which this Factory is occupied. 7) 1A. Priority. a) For Bristol AERO: Crank sleeve Housing, Piston Ring stops, etc. b) Claudel Hobson: Diffuser Keys. c) Braines (Leeds) Rollers,… | ||
| img029 | Follow-up letter to the Chief Inspector of Naval Ordnance regarding the body strap fixing for a 40mm naval gun. | ||
| View original record | 2 C O P Y. Ev.5/JH. 12th. August, 1940. Confidential. The Chief Inspector of Naval Ordnance, Empire Hotel, B A T H. For the attention of Cdr. Redman. Dear Sirs, Re 40 mm. type BL. Naval Gun We do not… | ||
| img030 | Production capabilities of Bentley Engineering Co. for a 40 m/m gun. | ||
| View original record | 2 To: MLK Ref:CMSR/A.13.9.40 40 m/m Gun - L.H. TXT./Type MD PRODUCTION. Bentley Engineering Co., LEICESTER (Tel: 21674) Contact Mr T. Bentley. Attached is a list of their machines, which are working… | ||
| img031 | Discussion on armament work, specifically concerning the half-inch and 40mm guns. | ||
| View original record | Hs. from Rm. c. Ve. c. HPS. 2 Rm.8/ML.13.8.40. DISCUSSION ON ARMAMENT WORK. HELD ON AUGUST 13th. 1940. HALF INCH GUN. The present position of this gun was discussed. Ve. said that he did not think it… | ||
| img032 | Production of guns and associated tooling costs. | ||
| View original record | - 2 - Cont'd. Rm.8/ML.13.8.40. The Air Ministry gun is being tried on it's side with the existing automatic feed. Hs. asked Blk. to contact Reid with regard to tools for the barrel producing plant… | ||
| img033 | Letter to British Tool & Engineering Co. concerning a project awaiting Admiralty approval. | ||
| View original record | Rm/CTS 11 /ST. 16th August, 1940. British Tool & Engineering Co. 4th Avenue Bushbury Wolverhampton. Experimental Department. Dear Mr. Evans, Many thanks for the courtesy extended during my recent… | ||
| img034 | Letter to The Standard Engineering Co. regarding a project awaiting Admiralty approval. | ||
| View original record | Rm/CTS.9/ET. 16th August, 1940. The Standard Engineering Co., LEICESTER. 2 Experimental Department. Dear Sirs, With reference to the writer's recent visit, we thank you for the information supplied,… | ||
| img035 | Letter to Bentley Engineering Co. Ltd. regarding keeping capacity open for a project pending Admiralty approval. | ||
| View original record | Rm/CTS.10/ET. 2 16th August, 1940. Experimental Department. Bentley Engineering Co. Ltd., LEICESTER. Dear Sirs, With reference to the writer's recent visit, we thank you for the information supplied… | ||
| img036 | Progress report on an armament project discussing gun installations with Phillips & Powis and Commander Young. | ||
| View original record | Hs. from Rm. Rm.9/ML.18.8.40. 2 ARMAMENT PROJECT. 1. PHILLIPS & POWIS. We called at Phillips and Powis to have a look at the wing in which they propose to instal the Rolls Royce half inch gun. Miles… | ||
| img037 | Visit to Frazer Nash regarding their design progress and the manufacturing of mounting components. | ||
| View original record | - 2 - Cont'd. 3. FRAZER NASH. We visited Frazer Nash's. We do not consider that they are going ahead fast enough with their designs. However, we induced them to put more horse-power on the job and… | ||
| img038 | Meeting notes from a discussion at the Admiralty regarding the production of the 40mm gun. | ||
| View original record | Hs. from Rm. Rm.1/ML.22.8.40. NOTES ON A DISCUSSION ON THE 40 mm. GUN. at THE ADMIRALTY. Present : Admiral Fraser. Capt. Slayter. Capt. Allfrey. Capt. Green. Mr. Ashworth. Hs. and Rm. I took some… | ||
| img039 | Gun production rates, sub-contracting issues, and timelines involving the Admiralty and B.U.S.M. | ||
| View original record | - 2 - Cont'd. The admiralty asked that pro-duction should be raised to ten per week, or forty per month, by the time the tools were completed. Mr. Hives said that B.U.S.M. would be asked to plan for… | ||
| img040 | Meeting notes from a conference discussing guns, production targets, and spares. | ||
| View original record | To:- Area II. AEC/D/AE.28.40. NOTES OF CONFERENCE HELD ON MONDAY, MARCH 11th. Present : Commander C. BURSSON. Major FRIESTLEY. Mr. GIMSON. L.V... Mr. ARCHER. Mr. ELWORTHY. Mr. WOODVINE. 1. Contract.… | ||
| img041 | Meeting minutes discussing the sourcing of machine tools, the use of sub-contractors, design alterations, and barrel production for guns. | ||
| View original record | - 2 - Cont'd. 6. MACHINE TOOLS. Mr. Ashworth said that no machine tools were available. After some discussion, he said that in certain cases he might be able to supply some machines. It was agreed… | ||
| img042 | Request for complete information on machine tools, equipment, and materials required for gun production. | ||
| View original record | COPY.18. - 3 - A.M/24.11.39 10. MACHINING. The only query was "first for test". We hope now, at 8.15 p.m. at Derby. Will it be possible by this time to give complete information on the machine tool… | ||
| img043 | Minutes of a gun meeting discussing the progress of sample 40 mm guns for the Admiralty and future developments. | ||
| View original record | Hs. from Hs. c. Vs. c. Blk. Hm.2/ML.29.8.40. MINUTES OF GUN MEETING HELD ON WEDNESDAY AUGUST 28th, 1940. 40 mm. GUN. 1. TWO SAMPLE GUNS FOR THE ADMIRALTY. The position of these was outlined. The parts… | ||
| img044 | Single shot gun recoil issues, mountings, and production considerations. | ||
| View original record | - 2 - Cont'd. The one trouble that had been experienced with the single shot gun was failure to eject, due to low recoil. It was agreed to test the gun on maximum recoil to see what latitude could be… | ||
| img045 | Armament production and development, discussing gun tooling, sub-contractors, and various gun projects. | ||
| View original record | - 3 - Cont'd. Em.2/1M.29.8.40. He was going over to the B.U.S.M. towards the end of the week to discuss their findings with regard to the tooling for the guns, also the number per week which they can… | ||
| img046 | Weapon development and contracts, mentioning the Beaufighter aircraft and German armaments. | ||
| View original record | Cont'd. - 4 - Rm.2/HL.29.8.40. in the Beaufighter. It was agreed that two or three months were likely to elapse before the machines would actually be ready for trying out. During this time a… | ||
| img047 | Secret memo discussing design requirements for the 40mm Type B.D. gun for use on motor torpedo boats. | ||
| View original record | COPY. S E C R E T. 2 To Rm. from Ev. Ev.3/JH.2.9.40. re 40 m.m. type B.D. Gun. We have had several letters and telephone talks to Mr. C.S. Selman of the British Power Boat Co., of Hythe, re the type… | ||
| img048 | Letter to Captain Slayter regarding the manufacturing status and development of the 40 mm gun. | ||
| View original record | C O P Y. 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… | ||
| img049 | Notes of a discussion held on the 2nd of September regarding the 40mm gun. | ||
| View original record | RM.5/L.4.9.40. NOTES OF A DISCUSSION HELD ON THE 2nd. SEPTEMBER - re THE 40 MM. GUN. Present :- Mr. Gimson. B.U.S.M. Mr. Gardner. B.U.S.M. Mr. Ashworth. Admiralty. SG. Hs. Ve. Rb. Blk. Rm. HPS.… | ||
| img050 | Continued list of agreements regarding the production, pricing, testing, and assembly of guns. | ||
| 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… | ||
| img051 | Meeting notes concerning the production of bronze cradles, gun contracts with the Admiralty, and mountings. | ||
| View original record | - 3 - Cont'd. Rm.5/ML.4.9.40. 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… | ||
| img052 | Letter from the Naval Ordnance Department regarding automatic and semi-automatic gun development. | ||
| View original record | COPY. 2 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 been… | ||
| img053 | Development and fitting of a 40 mm gun for Power Boat Company and Frazer Nash's. | ||
| View original record | Hs. from Rm. Rm.11/ML.10.9.40. re 40 mm. GUN. 2 1. POWER BOAT COMPANY. We visited the Power Boat Company at Southampton. Weight is a primary consideration on their boats and they asked to have the… | ||
| img054 | Installation of half-inch guns on Spitfire aircraft and the production of gun mountings. | ||
| View original record | - 2 - Cont'd. Rm.11/ML.10.9.40. automatic gun and the power driven mounting can be used as a self-contained unit for aerodrome defence. 3. HALF INCH GUN. Smith of Supermarines, is now talking about… | ||
| img055 | Letter from the Admiralty concerning the inspection and proving of O.Q.F. 2 Pdr. Mark XIV Guns. | ||
| View original record | COPY. ADMIRALTY, BATH. 17th September, 1940. C.I.N.O.5397/40. Gentlemen, O.Q.F. 2 Pdr. Mark XIV Guns In reply to your letter Ve/Nf.5/Cb dated 14th September, 1940, the numbers allocated to the above… | ||
| img056 | Concerning an Admiralty contract for a 40 MM gun, discussing parts supply and potential conflicts with an Air Ministry order. | ||
| View original record | To HPS. from Rn. Copy to Rs. re ADMIRALTY CONTRACT - 40 MM. GUN I presume that you are arranging for B.U.S.M. not to send 40 m.m. gun parts to Derby in excess of the requirements for the first few… | ||
| img057 | Letter regarding Admiralty criticisms of a 40mm gun mounting and a request for no unapproved modifications. | ||
| View original record | COPY. Rm.2/M. 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… | ||
| img058 | Copy of a letter received from L.M. & S. regarding mountings for a 40 mm gun. | ||
| 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.… | ||
| img059 | Letter to London, Midland & Scottish Railways Ltd regarding a prototype mounting and gun. | ||
| View original record | COPY. Rn.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… | ||
| img060 | Letter to Captain Green confirming responsibility for 40 mm Mk. XIV Gun prototype mountings and requesting a unit for experimental work. | ||
| View original record | COPY. Am.S/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… | ||
| img061 | File copy of a memo about a disagreement over modifications to a 40mm gun mounting. | ||
| View original record | FILE COPY. Ve. from Rm. c. Hs. c. Ve. Rm.5/ML.6.10.40. 40 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… | ||
| img062 | Minutes from a meeting with the British United Shoe Machine Company about 40 mm. gun production. | ||
| View original record | Rb. from Rm. c. Mr. Priestley (HPS's office) c. Ho/Gry. Z Rm.17/ML.10.10.40. 40 MM. GUN - PRODUCTION. We attach a copy of the Minutes of a Meeting held at the British United Shoe Machine Company of… | ||
| img063 | Notes from a meeting regarding an Admiralty contract for 40mm guns. | ||
| View original record | COPY. NOTE OF MEETING IN MR. A.G. GIBSON'S OFFICE TUESDAY, OCTOBER 8th. 1940. Present : Mr. Cimson. Mr. Robotham. } Rolls Royce Mr. Smith. Mr. Gardner. Mr. H.P.Finn. Admiralty Contract for 525 in… | ||
| img064 | Letter to British United Shoe Machine Works discussing material orders and a specification change from brass to aluminium. | ||
| View original record | COPY OF OUR LETTER TO MR. GIMSON. RM.15/ML. 10.10.40. K. S. Gimson, Esq., British United Shoe Machine Works, Ltd., Union Works, Belgrave Road, Leicester. Dear Mr. Gimson, Thank you for your letter of… | ||
| img065 | Letter from the Admiralty concerning the design, production, and modification of prototype mountings for the L.M.S. Railway. | ||
| View original record | COPY. ADMIRALTY, ENG. 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… | ||
| img066 | Shortfalls in a gun production programme and the transfer of manufacturing responsibility. | ||
| View original record | HPS. from Rm. PRODUCTION PROGRAMME, Attached is a copy of the programme which, it was tentatively agreed, should be the target aimed at by both the B.U.S.M. and ourselves, with regard to gun… | ||
| img067 | Production programme table for B.U.S.M. detailing monthly and cumulative gun output. | ||
| View original record | COPY FOR HPS. B.U.S.M. PRODUCTION PROGRAMME. Total No. of Cumulative sets per month. total guns. Delivered up to Sept: 1st. 4 4 Period until the end of the year covering the production of 50 sets by… | ||
| img068 | Responsibility for mounting design and the prevention of modifications during the war. | ||
| View original record | COPY. Ve. from Rm. c. Hs. c; Ev. Rm.6/ML.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… | ||
| img069 | Letter to Admiral Whyham of The Admiralty N.O. Department enclosing a scheme drawing of a mounting. | ||
| 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… | ||
| img070 | Sizes and locations for drilling, boring, reaming, and rifling operations on 40 m/m barrels. | ||
| View original record | To Rm/FJH. from HPS/Cy c.c. Rn. 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, reaming and… | ||
| img071 | Table of sizes and locations for machining a 40 m/m barrel. | ||
| View original record | Sizes and Locations for 40 m/m Barrel. | | Muzzle | Breech | | :--- | :--- | :--- | | Drill | 3.000 dia. 4 point adjustable running steady | 5.000 dia. 4 jaw chuck. | | 1st draw bore. | 2.875 dia. 4… | ||
| img072 | Manufacturing operations and setup for a 40 M/M barrel. | ||
| View original record | 40 M/M BARREL 4 JAW CHUCK 5.000 DIA. -1/16 OPN 1 - DRILL 4 POINT RUNNING STEADY 3.000 DIA. -1/16 OP.N 1 DRILL 4 POINT ADAPTOR 2.875 DIA. -.5 OPN 4 - 1ST DRAW BORE. OPN 4 1ST DRAW BORE 4.325 DIA. -10… | ||
| img073 | Manufacturing sequence diagram for rifling a bored and reamed tube. | ||
| View original record | Ch Dr No 82 OPN. 10 — 2ND DRAW BORE. 4 POINT ADAPTOR 4 JAW CHUCK 2.875 DIA. -s OPN 13 — DRAW REAM. 4.160 DIA. -s 4 POINT RUNNING STEADY OPN. 15 DRAW REAM 4 POINT ADJUSTABLE INDEXING ADAPTOR. 3.750… | ||
| img074 | The correct procedure for a query about adjustable washers for 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.15.10.40. to which was attached a copy of a letter… | ||
| img075 | Jammed recoil mechanism on Gun No. 11242 and a suggested design modification. | ||
| 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… | ||
| img076 | Letter to the Admiralty regarding a jammed recoil mechanism on a QF 2 pdr Mk. 14 Naval Gun and suggesting a design modification. | ||
| 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… | ||
| img077 | Letter from the Admiralty acknowledging receipt of a scheme drawing for a 40 mm mounting. | ||
| View original record | COPY. ADMIRALTY, N.O.DEPARTMENT, SPA HOTEL, BATH. 24th. October. 1940. W.A.Robotham,Esq., Messrs RollsRoyce Ltd., DERBY. Dear Mr. Robotham, Many thanks for drawing No: QR.243. showing the scheme… | ||
| img078 | Alterations to a pedestal gun mounting due to the Admiralty's attitude. | ||
| View original record | Vs/EP. from Rm. c. Hv. Rm.S/ML.24.10.40. With reference to Vs/EP.2/CB. 18.10.40. In view of the somewhat difficult attitude of the Admiralty towards alterations to the pedestal mounting, I have sent… | ||
| img079 | Notes from a meeting regarding the production, mounting, and automation of a 40mm gun. | ||
| 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… | ||
| img080 | The development of 40mm and half-inch guns for installation in aircraft. | ||
| 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… | ||
| img081 | Letter to the Admiralty regarding modifications for a 2-pounder Mk. XIV 40mm Naval Gun mounting. | ||
| View original record | Rm.13/ML. 31.10.40. The Admiralty, N.O.Department, Spa Hotel, BATH. For the attention of Admiral Whyham. Gentlemen, QF. 2 pdr. Mk. XIV. 40 mm. NAVAL GUN. We attach hereto sketches showing the… | ||
| img082 | Summarizing a meeting regarding gun production coordination with B.U.S.M. and supply issues to the Admiralty. | ||
| View original record | GUN #C2 To Hm. from Hm/CTS. Hm/CTS.1/LT.2.11.40. GUN PRODUCTION. For our record purposes, the following is a summary of the points settled in connection with the above, between B.U.S.M. and ourselves.… | ||
| img083 | Production of 50 guns, potential programme hindrances, and the authority of various departments and the Admiralty. | ||
| View original record | Hm/CTS.1/ET.2.11.40 - 2 - and it is the latter who is responsible for this section on the first 50 guns. Also stops and starts and alterations have been issued directly to B.U.S.M. by Hamy Johnson. It… | ||
| img084 | Forwarding a copy of a draft letter regarding the quantity production of 40mm guns in aluminium alloys. | ||
| View original record | To Rm. from Ve. Ve.3/CB.13.12.40. 2 Herewith copy of draft letter submitted to Hs re quantity production of 40 mm. guns in aluminium alloys. Ve. | ||
| img085 | Letter to the Admiralty regarding material choices and production proposals for the 2-pdr Mark XIV Gun. | ||
| View original record | 11th December, 1940. Director of Naval Ordnance, -S- The Admiralty, BATH. 2-pdr. Mark XIV Gun. R.R. 40 mm. Type BD. Contract C.P. 74940/40. Dear Sir, As you are aware, 525 of the above guns are now… | ||
| img086 | Proposal for manufacturing gun components using alternative aluminium alloys, detailing quantities for two production batches. | ||
| View original record | -2- (a) Cradle, Body, Loading Tray, etc. in an alternative aluminium alloy which we understand can now be obtained in quantity. Buffer and Recuperator Cylinders - forged-aluminium alloy This scheme… | ||
| img088 | Letter from a supplier discussing the manufacture and supply of aluminium parts for a 40 mm gun. | ||
| View original record | COPY. BRITISH UNITED SHOE MACHINERY CO. LTD., UNION WORKS, BELGRAVE ROAD. LEICESTER. KSG/BHA 17th. December. 1940. W.A.Robotham,Esq., Messrs Rolls-Royce Ltd., DERBY. Dear Mr. Robotham, In view of your… | ||
| img089 | Letter to British United Shoe Machine Co. Ltd. regarding trials of secondary grade aluminium for cradle castings. | ||
| View original record | RM.S/ML. 27.12.40. K.S.Gimson, Esq., British United Shoe Machine Co.Ltd., Union Works, Belgrave Road, LEICESTER. Dear Mr. Gimson, Thank you for your letter of the 17th. December. We are trying out a… | ||
| img090 | Order for Gun Cradles, discussing production allocation between Glasgow and another supplier. | ||
| View original record | To Rm. from HPS. 3 HPS.2/VS.27.12.40. Re: GUN CRADLES. Referring to Rm.6/ML.27.12.40., we are placing an official order with Vs.(Glasgow) to produce two Cradles in Grade III Aluminium to the existing… | ||
| img091 | The production of aluminium castings for a 40 mm gun for the Admiralty. | ||
| View original record | HPS. from Rm. Rm.3/AL.31.12.40. ALUMINIUM CASTINGS FOR 40 mm. GUN. 2 We spoke to Hs. about the question of Vickers producing the remainder of the production order for the 40 mm. gun for the Admiralty.… | ||
| img092 | Confirmation of handing over an order for 200 sets of aluminium castings for the 40 mm gun. | ||
| View original record | HPS. from Rm. Rm.9/ML.7.1.41. This is to confirm that I handed to Les Butler at the Gun Conference on Saturday last, an order from the B.U.S.M. for 200 sets of aluminium castings for the 40 mm. gun.… | ||
| img093 | Letter from B.U.S.M. about the supply of parts for the 40mm gun. | ||
| View original record | 2 To HPS. from Hm. Rm.4/ET.26.2.41. Here is a copy of a letter from the B.U.S.M., referring to the release of the 40.mm gun. If we are going to supply the barrel and the cradle is going to be new in… | ||
| img094 | Offer from B.U.S.M. to machine 25 sets of guns for the Air Ministry. | ||
| View original record | Vs. from Rm. c. HFS. Rm.15/HL.18.4.41. 25 GUNS FOR THE AIR MINISTRY. B.U.S.M. have suggested that they should machine 25 sets of material for us on their production line for the Air Ministry contract… | ||
| img095 | Material selection and production processes for Bren gun springs. | ||
| View original record | Rm...from BY. Gun BY.2/HR.19.4.40. 2a SPRING FOR BREN GUN. ------------------- In regard to the use of 18/8 (18% Cr. 8% Ni.) austenitic steel, this could only be used in a work hardened condition as… | ||
| img096 | Cable detailing the results of testing various materials for springs. | ||
| View original record | - 2 - BY.2/HR.19.4.40. Continued:- I have cabled Oy. as follows:- "Have tried 18/8 springs as hard drawn wire not very successfully stop Prefer to use chrome vanadium or silico manganese stop Nickel… | ||
| img097 | The return of a Vibrac Catalogue. | ||
| View original record | Group Gun 2a Mr. Parry. from Rm. Rm.2/ML.25.6.40. Derby to: I am returning herewith your copy of The Vibrac Catalogue SS.11/3. Many thanks. [Upside down text] Please despatch copies to the following:-… | ||
| img098 | Tempering graph for Vibrac Steel V.45. | ||
| View original record | TEMPERING GRAPH OF VIBRAC STEEL V.45 Jun file DIA. OF BAR: 1" HARDENING TEMPERATURE 830°C. QUENCHING MEDIUM: OIL COOLED, AFTER TEMPERING IN AIR. Y-AXIS LABEL: TONS PER SQUARE INCH - PERCENTAGES -… | ||
| img099 | Tempering graph of Vibrac Steel V. 30. | ||
| View original record | TEMPERING GRAPH OF VIBRAC STEEL V. 30 Gru file DIA. OF BAR: 1" HARDENING TEMPERATURE: 830°C QUENCHING MEDIUM: OIL COOLED, AFTER TEMPERING IN AIR. Y-AXIS: TONS PER SQUARE INCH - PERCENTAGES - FOOT… | ||
| img100 | Specification for Barrel Forgings, including the chemical composition for 'vibrac' steel. | ||
| View original record | Rm. c. Ve. c. HPS. c. HS. Barrel Forgings. Confirming your instructions of yesterday and further to our conversation with HPS. and Ve/NP we have to-day requested Mr. Burton of English Steel… | ||
| img101 | Specifications for physical tests and manufacturing arrangements for barrels with English Steel Corporation and Taylor Bros. | ||
| View original record | (2) Physical Tests. The tests required will be taken in a transverse direction and will give the following physical properties:- Yield Stress 45/50 Tons per sqr. inch. Ult. " 60/65 " " " Elongation… | ||
| img102 | Letter to English Steel Corporation specifying the material composition for 30 gun barrels. | ||
| View original record | Gun 2a COPY SENT TO Rm. BY.5/GH.26.6.40. 26th June 1940. H. H. Burton Esq., Messrs. English Steel Corporation Ltd., Vickers Works, SHEFFIELD. Dear Mr. Burton, re GUN BARRELS. Confirming our discussion… | ||
| img103 | Material property requirements and manufacturing plans for barrels. | ||
| View original record | - 2 - Continued:- Yield 45/50 ton/sq.in. Ult. stress 60/65 " " Elongation Not less than 12% Izod " " " 14 ft. lbs. 3. MANUFACTURE. We are hoping that you will be able to undertake the manufacture of… | ||
| img104 | Letter to Commander Oswald enclosing a weight specification for the raw material required to make a 40mm gun. | ||
| View original record | c B/k 2a Rm.19/ML. 9.7.40. Commander Oswald, R.N. The Admiralty. LONDON. Dear Commander Oswald, I enclose herewith a weight specification of the raw material required to make one 40 mm. gun and which… | ||
| img105 | Bill of materials listing the weights required to manufacture a 40 mm gun, excluding the mounting. | ||
| View original record | WEIGHT OF RAW MATERIAL REQUIRED TO MAKE 1 - 40 mm. GUN. (LESS MOUNTING.) MATERIAL SPECIFICATION. S/M - BSS. S77 S/N - BSS. S69 S/ZN - BSS. S67 S/NCR- 4 - S - 11 S/ZNCR - BSS S - 82 V.C.M. DTD 228… | ||
| img106 | Brief memo introducing information regarding barrel steels. | ||
| View original record | 2a Ov. From Rm. Rm.2/ML.17.7.40. BARREL STEELS. ------------- Here is some information with regard to barrel steels. Rm. | ||
| img107 | Specification of materials and physical requirements for 40mm and 13.2mm gun barrels and breech blocks. | ||
| View original record | Cy. from Rm. Rm/FJH.1/ML.17.7.40. GUN MATERIALS. The barrels and breech blocks of both the 40 mm. and the 13.2 mm. guns are to be in E.S.C.'s Vibrac V.30. The nearest American steel is S.A.E. 4340.… | ||
| img108 | Covering note for specifications regarding brass and cast phosphor bronze, with a comparison of their properties. | ||
| View original record | Ve. from Rm. 2a Rm.13/ML.17.7.40. Herewith a copy of R.R. specification for brass which might do what you want. I am also attaching a specification for cast phosphor bronze, which seems little better… | ||
| img109 | Specification number 215A for Cast Brass for general casting work. | ||
| View original record | COPY. ROLLS ROYCE LIMITED. 19th. May. 1919. SPECIFICATION NUMBER 215A. MATERIAL. CAST BRASS (for general casting work.) ANALYSIS. Copper .. .. .. .. .. .. 65.0 to 69.0% Zinc .. .. .. .. .. .. .. 30.0… | ||
| img110 | Specification for drawn phosphor bronze bar, including chemical analysis and mechanical test results. | ||
| View original record | COPY. Revised 1.1.29. ROLLS ROYCE LIMITED. SPECIFICATION NUMBER 214B. MATERIAL. DRAWN PHOSPHOR BRONZE BAR. ANALYSIS. Tin .. .. .. .. .. .. .. 2.7 to 5.0% Phosphorous. .. .. .. .. .. .10 to .3 % Zinc..… | ||
| img111 | Letter from the Admiralty Offices concerning the specifications and manufacture of 2 pr. gun barrels. | ||
| View original record | A.S.10808/40/P.23. 2a Admiralty Offices, Empire Hotel, Bath. 7th August, 1940. VE has this specification Dear Mr. Robotham, As arranged at the Meeting at Director of Naval Ordnance Office on the 4th… | ||
| img112 | Letter to W.A. Robotham regarding an enclosed letter for Mr. Blackstone. | ||
| View original record | -2- A copy of the enclosed letter to Mr. Blackstone has been sent to Mr. Rockley, and I should be obliged if you would ask Mr. Blackstone to take the original with him when he visits Openshaw. Yours… | ||
| img113 | Producing a new Breech Cross Shaft with improved material and hardening. | ||
| View original record | To Rm. from HPS. 2a HPS.9/VS.31.7.40. As requested, we have produced a new Breech Cross Shaft in new material, S/ZN cyanide hardened, against the one which is now in mild steel, so this should be a… | ||
| img114 | Note referencing a letter to Commander Oswald, which is located in the English Steel Corporation File. | ||
| View original record | 9.8.40. For letter referred to by Mr. Ashworth as being written by us to Commander Oswald, see correspondence in the English Steel Corporation File.(2H.) | ||
| img115 | Letter from the Admiralty Supply Dept. concerning the provision of material for 40 m.m. guns. | ||
| View original record | A.S.10905/40/P.23. ARMAMENT SUPPLY DEPT. ADMIRALTY OFFICES, EMPIRE HOTEL, ORANGE GROVE, BATH. De 9 August, 1940. We has this specification Dear Mr. Robotham, Provision of Material for Rolls Royce 40… | ||
| img116 | Letter outlining the approval process and material specifications for gun production. | ||
| View original record | -2- The first essential is [h]thus[/h] [s]that[/s] to get your brochure prepared so that the [h]Director[/h] [s][h]Inspector[/h][/s] [s]Deputy[/s] of Naval Ordnance can get approval to proceed,… | ||
| img117 | V.C. Carburettor float, detailing its material composition and heat treatment. | ||
| View original record | 2a Mr. Hives. Mr. Nightingale. Mr. Rowledge. Mr. Wormald. ...C.19. Re. V.C. CARBURETTOR. of the first Carburettor No. 14, tried on Mr. Hives' of Vena Contracta. The two halves of the Float were… | ||
| img118 | Letter discussing material specifications and forgings for 2-pounder and 40mm gun barrels. | ||
| View original record | - 2 - Cont'd. Yield 45/50 tons/sq.ins. Ult. Stress 60/65 tons/sq.ins. Elongation Not less than 12% Izod Not less than 14 ft/lbs. We hope this will give you the necessary information to check up on the… | ||
| img119 | Sourcing and specification of steel for Mk. 14 Naval gun barrels. | ||
| View original record | Ve. from Rm. The Admiralty tentatively agreed to produce the barrels for our Mk. 14. Naval guns, in the plants at present producing their 2-pounder Mk. 8. barrels. Apparently, they do not use Vibrac… | ||
| img120 | Suitability of alternative Admiralty specification steels for gun barrels and clarifying minimum yield strength requirements. | ||
| View original record | 7a To Rm. from Ve. Ve.1/CB.16.8.40. In reply to your memo Rm.7/ML.14.8.40, we can use one of the steels covered by Admiralty specification E/38/AB. as these steels are of the same class as the PP… | ||
| img121 | Follow-up letter to Tubes Ltd. regarding a previous request for parts. | ||
| View original record | Bm/CTS.1/T 17th August, 1940. Tubes Ltd., Rocky Lane, BIRMINGHAM. Attention of Mr. Pickering. Dear Sirs, Further to our letter reference Bm/CTS.2/Bm. dated August, we are anxious to know whether you… | ||
| img122 | Discrepancy in the yield stress specification for barrel steel and the potential rejection of supplied barrels. | ||
| View original record | YC Ve. From Rm. Rm.5/ML.18.6.40. Ve.1/CD.18.8.40. With reference to your Memo. we note what you say about the barrel steel requiring to have a minimum yield of 50 tons but on the other hand, we would… | ||
| img123 | Minimum yield specification for barrel forgings. | ||
| View original record | Cgh/EM. from Rm. Rm.8/ML.18.8.40. 2a Ve. has recently asked for a minimum yield of 50 tons on his barrels. We pointed out that you sent him the specification showing 45/50 tons, in your Cgh/EM.8/ML.… | ||
| img124 | Notification of an alternative steel material for the 40mm Type BD gun barrel. | ||
| View original record | To RM. O/C HPS. O/C BIK. O/C Dy/MM. Ve/NP.5/CB.19.8.40. 40 mm. TYPE BD GUN. Please note that the barrel for the above gun, drawing No. Q.1712, may now be made in Admiralty OO steel as an alternative… | ||
| img125 | Letter to Commander Robertson regarding the weight of raw materials for a gun and an agreed material substitution. | ||
| View original record | C O P Y. Rm.2/ML. 9a for reply See Cdr. Willis 22.8.40. Commander Robertson, R.N. Empire Hotel, B A T H. Dear Commander Robertson, I am not quite clear whether you wanted the weight of the raw… | ||
| img126 | List of raw materials and their weights required to manufacture a 40mm gun. | ||
| View original record | COPY. WEIGHT OF RAW MATERIAL REQUIRED TO MAKE 1 - 40 mm. GUN. (LESS MOUNTING) Material Specification. Weight of Raw Material. S/M - BSS. S77 72 lbs. S/N - BSS. S69 52 " S/ZN - BSS. S67 40 " S/NCR - 4… | ||
| img127 | Required yield and brinell hardness for gun barrels. | ||
| View original record | Rm. C. Ve. Cgh/EM.4/J.20.8.40. Gun Barrels. With reference to your memo Rm.8/ML.18.8.40 regarding the yield of 50 tons required on our gun barrels, we have to say that the figure of 45-50 tons yield… | ||
| img128 | Letter to Messrs Tubes Ltd confirming that materials will be subject to an A.I.D. inspection. | ||
| View original record | File / for C.T.C. Rn CTS/Dn 2a- Expert Dept 23rd August 1 9 0 4. Messrs Tubes Ltd, Rocky Lane, Aston, BIRMINGHAM. 6. Attention of Mr Pickering. Dear Sir, With reference to your letter dated 20th… | ||
| img129 | Notes of a discussion regarding the 40mm 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. B.U.S.M. Mr. Ashworth. Admiralty. Sg. Hs. Ve. Rb. Blk. Sm. HPS. (part-time.) 1.… | ||
| img130 | Production details for 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… | ||
| img131 | Meeting notes on gun production, discussing bronze cradles, contracts with the Admiralty, 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… | ||
| img132 | Suitability of '00' Steel for 40 m/m Gear Barrels. | ||
| View original record | Rm. c. Rm/CTS. c. Ve/NP. EJJ. Cgh/EM.11/J.12.9.40. RECEIVED SEP 13 1940 40 m/m Gear Barrels. We have had the opportunity of discussing with Mr. Burton the question of making these barrels in "00"… | ||
| img133 | Cover letter to Mr. Ashworth of The Admiralty regarding English Steel Corporation's preference for using Vibrac for 40mm gun barrels. | ||
| View original record | ADM.7/M. Za 14.9.40. F.Ashworth,Esq., The Admiralty, Empire Hotel, BATH. Dear Mr. Ashworth, Here is a copy of a letter from the English Steel Corporation, in reply to my enquiry regarding their… | ||
| img134 | Letter from English Steel Corporation regarding steel specifications for the 40 mm Gun Mk III barrel. | ||
| View original record | COPY OF A LETTER RECEIVED FROM:- THE ENGLISH STEEL CORPORATION. HHB/MA. Research. 8.9.40. Messrs Rolls Royce Ltd., DERBY. Dear Sirs, re 40 mm. Gun - Mk III - Type BD. We have to acknowledge your… | ||
| img135 | Drawings and material specifications for the first Admiralty gun intended for service trials. | ||
| View original record | COPY. Ve. from Rm. c. Ev. c. HPS. c. Rm/HH. Za Rm.4/ML.20.9.40. FIRST ADMIRALTY GUN FOR SERVICE TRIALS. We have asked Rm/CTS. to get exact drawing and material specifications for the first gun which… | ||
| img136 | Availability and suitability of rifle boring machines. | ||
| View original record | G/W. 26 Ryc.1/Mc. 24.6.40. Rm. Rifle Boring --------- We have two rifle borers (No.1½ Pratt & Whitney) and a third about due in I understand. The bed is 18' long; the drill holding saddle about… | ||
| img137 | Rifle boring capabilities at Armstrong Whitworth for the Bofors gun. | ||
| View original record | G/W. Rm. 26 Ryc.2/Mc. 27.6.40. Rifle Boring I was at Armstrong Whitworth yesterday at Newcastle and they tell me they are going to make the Bofors gun. The plant they expect to be in almost any time… | ||
| img138 | Capability and availability of rifle boring machines for 13.2mm barrels. | ||
| View original record | HPS. from Rm. 2b Rm.9/ML.27.6.40. RIFLE BORING. With reference to the copy of a note received from Glasgow and which is given below. Could you say whether you expect this machine to :- 1. Successfully… | ||
| img139 | Thank you note for information about rifle boring plant at Armstrong-Whitworths. | ||
| View original record | Ryc. from Rm. (Glasgow) 26 Rm.2/JMS.30.6.40. Many thanks for your information about rifle boring plant at Armstrong-Whitworths. Rm. | ||
| img140 | Reference sheet for correspondence with Armstrong Whitworth Co. Ltd. regarding rifling and boring equipment. | ||
| View original record | ARMSTRONG WHITWORTH. CO.LTD., For correspondence with the above re rifling and boring equipment, see ARMSTRONG WHITWORTH FILE. FILE 2.j. 30. June. 1940 and onwards. | ||
| img141 | Need to acquire gun boring equipment for 20mm and 40mm guns. | ||
| View original record | Hs. from Rm. 26 Rm.15/ML.9.7.40. GUN BORING EQUIPMENT. The more we see of the machining facilities available for producing gun parts the more we are certain that barrel producing equipment is going to… | ||
| img142 | Machining of parts and production capacity for 40 mm guns. | ||
| View original record | Hs. from Rm. ZW Rm.10/ML.16.7.40. 40 mm. GUNS. In view of our conversation on Saturday morning, we are arranging to machine 25 sets of parts for the 40 mm. gun only at the present moment. We are,… | ||
| img143 | Letter from the Admiralty regarding the purchase of American machines for 40mm gun production. | ||
| View original record | 26 COPY. A.S. /P.49. Admiralty Offices, Empire Hotel, B A T H. 29th July, 1940. For the attention of Mr. Robotham. Gentlemen, MACHINES REQUIRED FROM AMERICA FOR 40 mm. GUN PRODUCTION With reference to… | ||
| img144 | Telephone conversation with Admiral Perry regarding the purchase of machine tools from the U.S.A. | ||
| View original record | COPY. To:- Rm. Hs.8/DK.30.7.40. 26 I had a telephone message from Admiral Perry, who is the Admiralty advisor on machine tools. His address is Room 38, Admiralty Archway South, London. He asked the… | ||
| img145 | Letter to the Admiralty Offices concerning the approval and procurement of American machine tools for 40mm gun barrel production. | ||
| View original record | C O P Y. ROLLS ROYCE LTD. DERBY 26 (handwritten) Yr. ref: A.S./P.49. Our ref: Rm.9/ML. 3.8.40. Admiralty Offices, Empire Hotel, B A T H. For the attention of Mr. A.J. Hunt. Dear Sir, With reference to… | ||
| img146 | Letter to Captain Slater regarding the urgent need for machine tools for gun production during the war. | ||
| View original record | COPY. 26 Rm.3/ML. 5.8.40. Capt. Slater, Spa Hotel, BATH. Dear Captain Slater, I am afraid that we all felt depressed when we heard that, although the urgency of the Rolls-Royce gun was considered to… | ||
| img147 | Preliminary list of general machine tools which could be used immediately. | ||
| View original record | C O P Y. PRELIMINARY LIST OF MACHINE TOOLS which could be used immediately. GENERAL MACHINES 4 - No 2 Vertical Milling Machines. 1 - No 3 " " 10 - Light (28" table) " " 10 - " Plain " " 1 - Kearns OC… | ||
| img148 | Visit to The British Tool & Engineering Co. to assess production capacity for the 40 M/M Gun Mark III. | ||
| View original record | COPY. To: Rm. c. Blk. 2L Rm/CTS1/9.8.40. 40 M/M GUN MARK III (Type B.D) Production. Subject. Visit to The British Tool & Engineering Co., Ltd., Wolverhampton. Purpose. To determine their possible… | ||
| img149 | Inventory list of various machines, including Capstans, Lathes, and Millers, detailing their quantity, specifications, and condition. | ||
| View original record | COPY. Rm/CTS1/9.8.40. - 2 - 6) Departments. (a) Machines. Condition. 4 No. 7 Ward Capstans, (up to 1 5/8") ...... Good 7 No. 3A " ", (up to 1 1/4") ...... " 4 No. 2A " ", (up to 1") ...... " 12 1"… | ||
| img150 | List of miscellaneous, tool room, and hardening shop machinery and equipment. | ||
| View original record | COPY. Rm/CTS1/9.8.40. - 3 - Miscellaneous. 2 - Broaching Machines (Horizontal) (Lapointe) up to 1 1/2" Square. 3 - Power Presses (20, 45 & 65 Tons capacity resp.) 1 - Hydraulic Press - Up to 65 Tons… | ||
| img151 | Summary of factory work priorities, special tool production, and conclusions on manufacturing capabilities. | ||
| View original record | C O P Y. Rm/CTS/9.8.40. - 4 - Work upon which this Factory is occupied. 7) 1A. Priority. a) For Bristol AERO: Crank sleeve Housing, piston Ring stops, etc... b) Claudel Hobson Diffuser Keys. c)… | ||
| img152 | Alternative supplier, Builder's Iron Foundry, for barrel making equipment. | ||
| View original record | HPS/Mr. Cley. from Rm. Rm.1/ML.17.8.40. Olley has cabled us that Messrs Builder's Iron Foundry are alternative suppliers of barrel making equipment to Pratt & Whitney's. There is no particular… | ||
| img153 | Letter to Machine Shop Equipment Ltd. regarding quotations for rifling and drilling machines and arranging a viewing. | ||
| View original record | 26 LJT/NV/2873 Rm.3/ML. 17.8.40. For the attention of Mr. L.J.Thompson(?) Machine Shop Equipment,Ltd., 124, Victoria Street, Westminster. LONDON.S.W.1. Dear Sirs, Thank you for your letter of the… | ||
| img154 | Letter from Machine Shop Equipment Ltd concerning the availability and revised pricing of 'Builders' Rifling and Drilling Machines. | ||
| View original record | CONTRACTORS TO THE BRITISH MSE AND FOREIGN GOVERNMENTS MACHINE SHOP EQUIPMENT LTD MACHINE TOOLS • SMALL TOOLS • SHOP EQUIPMENT Directors C. J. JEFFRIES A. G. WILLIAMS Codes A.B.C. 5th. & 6th. Edition… | ||
| img155 | Quotation and technical discussion for various deep hole drilling and rifling machines. | ||
| View original record | No.2 Deep Hole Drilling Machine, with bed length 19 ft................ $11750.00 No.2 Rifling Machine with bed length 19'........... $10640.00 Standard Deep Hole Drilling Machine............ $ 4015.00… | ||
| img156 | Quotation for deep hole drilling machines and a rifling machine. | ||
| View original record | CONTRACTORS TO THE BRITISH MSE AND FOREIGN GOVERNMENTS MACHINE SHOP EQUIPMENT LTD MACHINE TOOLS · SMALL TOOLS · SHOP EQUIPMENT Directors C.J. JEFFRIES A.G. WILLIAMS Codes A.B.C. 5th & 6th Edition… | ||
| img157 | Statement of delivery and payment terms from Machine Shop Equipment Ltd. | ||
| View original record | DELIVERY: Ex works within 5 months from date of receipt of order, subject to prior sale and subject to an export licence being granted to our Suppliers by the U.S.A. Government. TERMS: Nett cash… | ||
| img158 | Quotation for deep hole drilling, reaming, and rifling machines from Machine Shop Equipment Ltd. | ||
| View original record | CONTRACTORS TO THE BRITISH MSE AND FOREIGN GOVERNMENTS MACHINE SHOP EQUIPMENT LTD MACHINE TOOLS • SMALL TOOLS • SHOP EQUIPMENT Directors C. J. JEFFRIES A. G. WILLIAMS Codes A.B.C. 5th & 6th Edition… | ||
| img159 | Specification and terms sheet for Rifling Machinery, including dimensions, weight, and delivery details. | ||
| View original record | Overall dimensions about 156 x 52 x 54". Nett weight 3720 lbs; gross weight 4800 lbs. The Rifling Machinery required one 5 HP 1200 RPM motor. DELIVERED: F.O.R. British Port of arrival, including… | ||
| img160 | Letter to Machine Shop Equipment, Ltd. cancelling a request for quotations on rifling and drilling machines. | ||
| View original record | 26 Rm.1/KL. 23.8.40. L.J.Thompson,Esq., Machine Shop Equipment, Ltd., 124, Victoria Street. WESTMINSTER. Dear Sir, Many thanks for your letter of 21st. August. 1940. re "Builders" Rifling and Drilling… | ||
| img161 | Procurement and modification of .500' Barrel Drilling Machines. | ||
| View original record | To Rm. from HPS/Cy. HPS/Cy.1/JW. 21.9.40. 2V .500" BARREL DRILLING MACHINES. I am returning your folder of information in respect of "Builders" equipment as I already have particulars and delivery… | ||
| img162 | Letter from Machine Shop Equipment Ltd expressing disappointment that the machinery they offered had already been sourced elsewhere. | ||
| View original record | CONTRACTORS TO THE BRITISH MSE AND FOREIGN GOVERNMENTS MACHINE SHOP EQUIPMENT LTD MACHINE TOOLS · SMALL TOOLS · SHOP EQUIPMENT Directors C.J.JEFFRIES L.J.THOMPSON A.G.WILLIAMS Codes A.B.C. 5th & 6th.… | ||
| img163 | Letter from Machine Shop Equipment Ltd. enclosing leaflets for small Deep hole Reaming and Rifling machines. | ||
| View original record | -2- However, we sincerely trust that you will bear us in mind when next you are in the market for these machines and take this opportunity of enclosing herewith descriptive leaflets of the small Deep… | ||
| img164 | Bulletin for a Builders Deep Hole Reaming Machine from the Builders Iron Foundry. | ||
| View original record | BUILDERS DEEP HOLE REAMING MACHINE MACHINE SHOP EQUIPMENT LTD., 124, Victoria Street, Westminster, London, S.W.1. BULLETIN 5 BUILDERS IRON FOUNDRY, PROVIDENCE, R. I. | ||
| img165 | Descriptive sheet for a Builders Deep Hole Reaming Machine. | ||
| View original record | B BUILDERS DEEP HOLE REAMING MACHINE The Builders Deep Hole Reaming Machine, a ruggedly built, skillfully engineered and carefully designed modern machine tool, having two spindles, reams long holes… | ||
| img166 | Description of the operation of a reaming machine with a photograph of the equipment. | ||
| View original record | B A clutch control enables each or both of the carriages to be mechanically moved in either direction and stops are provided which can be set to automatically check the feed of the carriages at the… | ||
| img167 | Specification sheet for Long Bed and Short Bed Deep Hole Reaming Machines from Builders Iron Foundry. | ||
| View original record | SPECIFICATIONS RANGE Long Bed Machine Short Bed Machine Reaming capacity length 50" 19" Reaming capacity diameter .875" .875" Diameter of hole through Chuck 1/2" 1/2" Maximum diameter of supports… | ||
| img168 | Bulletin for a Builders Small Arms Rifling Machine. | ||
| View original record | BUILDERS SMALL ARMS RIFLING MACHINE MACHINE SHOP EQUIPMENT LTD., 170, Victoria Street, Westminster, London, S.W.1. BULLETIN 4 BUILDERS IRON FOUNDRY, PROVIDENCE, R. I. | ||
| img169 | The features and operation of a Builders Small Arms Rifling Machine. | ||
| View original record | B BUILDERS SMALL ARMS RIFLING MACHINE The new Builders Small Arms Rifling Machine is a ruggedly constructed, up-to-date machine tool designed to meet the requirements of modern production methods with… | ||
| img170 | Description of a motor-driven machine with an automatic cutting mechanism and lubrication system. | ||
| View original record | B A special mechanism automatically knocks the cutter out of position at the beginning of the forward stroke, at the end of which stroke the cutter is forced back into position preparatory to the… | ||
| img171 | Specification sheet for a rifling machine from Builders Iron Foundry. | ||
| View original record | SPECIFICATIONS RANGE Rifling capacity length - 40" Diameter of hole through Chuck - 2" Swing over bed - 9" diameter Number of Grooves - 2 to 8 Shortest lead - 1 turn in 6" Longest lead - 1 turn in 20"… | ||
| img172 | Letter to the Admiralty Offices regarding the shipment of three Pratt & Whitney machines from the USA. | ||
| View original record | Rm.13/ML. 12.11.40. The Admiralty Offices, Empire Hotel, BATH. For the attention of Mr. F.G.Ashworth. Dear Sirs, We have received a cable from the States saying that the three Pratt & Whitney machines… | ||
| img173 | Letter from the Admiralty regarding the re-allocation of Pratt & Whitney machines. | ||
| View original record | COPY OF ADMIRALTY LETTER. A.S./P.57 Admiralty Offices, Empire Hotel, BATH. 18th. November. 1940. Gentlemen, Pratt & Whitney Drilling & Rifling Machine exs U.S.A. With reference to your communication… | ||
| img174 | Letter to the Admiralty Offices regarding Pratt & Whitney Drilling & Rifling Machines. | ||
| View original record | Em.6/ML. 23.11.40. Admiralty Offices, Empire Hotel, BATH. For the attention of the Director of Armament Supply. Gentlemen, Pratt & Whitney Drilling & Rifling Machines ex U.S.A. We acknowledge your… | ||
| img175 | Cable message requesting the delivery address for rifling machines. | ||
| View original record | 28.11.40. Lh ASHWORTH. ADMIRALTY. EMPIRE HOTEL. BATH. PLEASE CABLE OLLEY ADDRESS ROLLS ROYCE GENERAL MOTORS BUILDING DETROIT PLACE TO WHICH RIFLING MACHINES TO BE DELIVERED. ROBOTHAM. | ||
| img176 | Telegram confirming the diversion of Pratt Whitney machines to BSA Redditch. | ||
| View original record | 30.11.40. ROBOTHAM ROLLS ROYCE DERBY. FROM MENTARMA BATH YOUR WIRE YESTERDAY BPC ALREADY ADVISED TO DIVERT DELIVERY OF PRATT WHITNEY MACHINES TO BSA REDDITCH. | ||
| img177 | Letter to John Howlett regarding the potential manufacture of gun parts and production targets. | ||
| View original record | 2d Rm5/Dn 27th July 1940, John Howlett, Esq., Wellworthy Piston Rings, LYMINGTON. (Hants) Dear Mr Howlett, I am sending you herewith drawings of the more difficult pieces of the Gun in order that you… | ||
| img178 | Letter to Wellworthy Piston Rings regarding drawings for a 40 m/m MARK III Type B.D. Gun. | ||
| View original record | 2d Rm CT34 Dn Vapertl Dept. 12th August 1 9 4 0 Wellworthy Piston Rings, L Y M I N G T O N. (Hants). Dear Sirs. Attention of Mr Howlett (40 m/m MARK III Type B.D.Gun.) We send you herewith the… | ||
| img179 | Letter concerning a list of mechanical assemblies and missing prints for associated parts. | ||
| View original record | Wellworthy Piston Rings. No 2. 12.6.40 Section. 1000. Barrel & Breech Ring, " 1010 Body Assembly, " 1020 Breech Block Assembly, " 1040 Recoil Mechanism " 1060 Hand Feed, etc. " 1080 Firing Mechanism… | ||
| img180 | Letter from a supplier acknowledging drawings for a 40 m/m gun and awaiting approval to proceed. | ||
| View original record | ON ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE LISTS 2d Q CTS WELLWORTHY PISTON RINGS LIMITED PISTON & PISTON RING SPECIALISTS LYMINGTON HANTS SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 172… | ||
| img181 | Letter to Wellworthy Piston Rings Ltd listing part number alterations for a 40mm Mark III Gun. | ||
| View original record | Ld Myntl West 16th August 1940 In CSOI Dn Wellworthy Piston Rings Ltd LYMINGTON. Hants. Dear Sirs, 40 m/m Mark III Gun (Drg. No.) Further to our letter, ref: M/CG 4 Fm, dated 14th August. We send you… | ||
| img182 | Letter to Wellworthy Piston Rings Ltd. regarding procedures for drawing alterations and code numbers. | ||
| View original record | Wellworthy Piston Rings Ltd. No 2. 16.8.40 You will understand that the unusual procedure of putting a job into production so early in its career, is bound to bring about these alterations during the… | ||
| img183 | Letter from Wellworthy Piston Rings Limited regarding drawings for a Mark III Gun. | ||
| View original record | ON ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE LISTS WELLWORTHY PISTON RINGS LIMITED PISTON & PISTON RING SPECIALISTS LYMINGTON HANTS SERVICE DEPOTS LONDON 89 BLACKFRIARS RD. S.E.1 172 GT.… | ||
| img184 | Letter from Wellworthy Piston Rings regarding missing drawings and returning obsolete prints for the Mark III Gun. | ||
| View original record | ON ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE LISTS WELLWORTHY PISTON RINGS LIMITED PISTON & PISTON RING SPECIALISTS LYMINGTON - HANTS WORKS & HEAD OFFICE: STANFORD RD SERVICE DEPOTS LONDON 89… | ||
| img185 | Visit to the Ordnance Factory in Nottingham regarding capacity for barrel manufacturing. | ||
| View original record | Hs. from Rm. 2e Rm.1/ML.18.6.40. VISIT TO ORDNANCE FACTORY, NOTTINGHAM. HPS. and Rm. visited the Ordnance Factory on Monday afternoon last, 17th June, and contacted Mr. Voce with the object of finding… | ||
| img186 | Letter of introduction for Mr. Richard Taylor to Mr. Hollyoake at the Royal Ordnance Factory regarding potential manufacturing work. | ||
| View original record | COPY. 2e FW.98/I. 10.7.40. Mr. Hollyoake, Superintendent, Royal Ordnance Factory, PEMBREY. Dear Mr. Hollyoake, You possibly do not remember me but I have paid several visits to your Factory in… | ||
| img187 | Letter to R. Taylor, Esq., forwarding a copy of a letter sent to the Royal Ordnance Factory in Nottingham. | ||
| View original record | RH.29/IL. 10.7.40. R. Taylor, Esq., Messrs Taylor Bros, Trafford Park, MANCHESTER. Dear Dick, I am sending you herewith a copy of a letter I have written to the Royal Ordnance Factory, Nottingham,… | ||
| img188 | Letter from the Royal Ordnance Factory regarding the utilisation of machining capacity. | ||
| View original record | Telephone: NOTTINGHAM 85271. Telegraphic Address: GUNS, NOTTINGHAM. Please quote in your reply CH/JH. Your Ref. Rm.28/ML. 2e R.O.F. (N) Form 14. [Postage must be Prepaid on all Letters, etc., sent to… | ||
| img189 | Letter of acknowledgement to Mr. Hollyoake at the Royal Ordnance Factory, Nottingham. | ||
| View original record | 2c Yr ref: CH/JH. Rm.5/H. 14.7.40. C.Hollyoake,Esq., Royal Ordnance Factory, NOTTINGHAM. Dear Mr. Hollyoake, Many thanks for your letter of July 12th. I have passed the information contained therein… | ||
| img190 | Cover letter to R. Taylor of Taylor Bros. Ltd. regarding a visit to the Royal Ordnance Factory, Nottingham. | ||
| View original record | 2e Rm.3/HL. 14.7.40. R.Taylor, Esq., Messrs Taylor Bros. Ltd., Trafford Park, Manchester. Dear Dick, Herewith a copy of a letter I have received from Mr. Hollyoak with reference to your visit to the… | ||
| img191 | Letter regarding the delivery schedule of experimental barrels and an inquiry about additional barrel-making capacity. | ||
| View original record | Gu 2e 25.7.40. Rm.10/JMS. - Voce, Esq., Royal Ordnance Factory, NOTTINGHAM. Dear Mr. Voce, I now hear from the English Steel Corporation, who are producing an experimental sample of 50 barrels for us,… | ||
| img192 | Letter from the Royal Ordnance Factory regarding a contract for barrel forgings and their issue schedule. | ||
| View original record | Telephone: NOTTINGHAM 85274. Telegraphic Address: Gns, NOTTINGHAM. Please quote in your reply ...................... Your Ref. .......................... 2 e R.O.F. (N) Form 14. [Postage must be… | ||
| img193 | Letter to Mr. Healey concerning production rates, equipment arrival from the States, and operational timelines. | ||
| View original record | Em.S/L. T.J.Healey, Esq., RCF. Lirgin Meadows, LOUTHMAUTH. 10.8.40. Dear Mr. Healey, Thank you for your letter of the 8th. August. We are very much obliged to you for the information it contains. We… | ||
| img194 | Noting the receipt of a letter from the Royal Ordnance Factory in Nottingham, with a copy attached. | ||
| View original record | 2e BLK. from Rm. Rm.1/ML.10.8.40. We have received a letter from the Royal Ordnance Factory, Nottingham, a copy of which I attach. Rm. | ||
| img195 | Copy of a letter from R.O.F. Nottingham confirming a contract for barrel forgings and outlining a delivery schedule. | ||
| View original record | COPY OF LETTER RECEIVED FROM THE R.O.F. NOTTINGHAM. R.O.F. King's Meadows, NOTTINGHAM. August 8th. 1940. Messrs Rolls Royce Ltd., DERBY. Dear Sirs, I am directed to acknowledge receipt of your letter… | ||
| img196 | Attaching test certificates for eight 40mm barrel forgings dispatched to the Royal Ordnance Factory. | ||
| View original record | HPS/LB. O. Rm. Cgh/EM.5/J.20.8.40. ZC 40 mm. Barrel Forgings. We attach hereto for your information, copies of test certificates issued by The English Steel Corporation in regard to a further eight… | ||
| img197 | Notes on the production status of the Q.F. 2-Pounder Mk. 14 Gun. | ||
| View original record | To: Rev. NOTES ON THE PRESENT POSITION OF THE PRODUCTION OF THE Q.F. 2-POUNDER MK. 14. GUN. The parts comprising the gun are divided into the following categories :- 1. Barrels. 2. General Machined… | ||
| img198 | Barrel manufacturing, sourcing from various factories, and production schedules for general machined parts. | ||
| View original record | - 2 - Blk.1/ML.4.8.40. Cont'd. In order to be completely familiar with the manufacture of the barrels by the time the machines are delivered, it is necessary to put the operators into training at… | ||
| img199 | Planning, tooling, materials, and heat-treatment considerations for gun manufacturing. | ||
| View original record | - 3 - Cont'd. Blk.1/ML.4.8.40. The operation planning and estimating of times has already been started, in conjunction with the B.U.S.M. and it is expected that this initial planning, sufficient to… | ||
| img200 | Sourcing and production of 'K parts', bought parts, and mountings for guns. | ||
| View original record | - 4 - Cont'd. (c) There are also some points in the design which may be altered to facilitate production. 3. K PARTS. It is expected that it will be possible to obtain these from the Derby Stores, and… | ||
| img201 | The production capacity of T. Grieve & Co., Ltd for the 40 m/m Gun Mark III. | ||
| View original record | 2 To: "Blk". Rm/CTS6/Dn13840 40 m/m Gun Mark III (Type B.D) PRODUCTION T. GRIEVE & Co., Ltd, Queen Street Works, LEICESTER. (Tel: 20713) Contact: Mr J.Wright. Attached is a list of their machines,… | ||
| img202 | Order for 50 barrels from the English Steel Corporation and safety margin agreements. | ||
| View original record | Rm/CTS. from Rm. C.H. File (GUN) 2R Rm.S/H.24.6.40. please contact Marriott and tell him that we want to put a firm order for 50 barrels, with Burton of the English Steel Corporation. Will you get an… | ||
| img203 | Letter from English Steel Corporation Ltd. concerning a 'Vibrac' steel order delay and the need for specific purpose details for priority. | ||
| View original record | COPY. ENGLISH STEEL CORPORATION LTD. North Street Works, Openshaw, Manchester. 2L Ref. SALES/C/JC. 1st July, 1940. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, For the attention of… | ||
| img204 | Instructing the English Steel Corporation to commence production on 30 gun barrels. | ||
| View original record | [Handwritten] Raffles SL Delco Remy Clare [Handwritten] Cgh/EM/23.9.40 Correct Rm. c. HPS. c. Hs. Gun Barrels. With reference to our discussion with HPS. yesterday, we have now definitely instructed… | ||
| img205 | Order for 60 gun barrel forgings from The English Steel Corporation. | ||
| View original record | ROY. G. Rm. G. Hs. 2L Cgh/EM.7/J.11.7.40. Gun Barrel Forgings. We attach hereto a letter from The English Steel Corporation Limited, respecting the above and shall be glad if you will now place an… | ||
| img206 | Changes to barrel testing conditions and quantity requirements. | ||
| View original record | -2- In other words the barrels will be tested under C.I.A. conditions, but not under C.I.A. actual supervision. The quantity of barrels required is now increased to 80 not 30 as stated on The English… | ||
| img207 | Visit to English Steel Corporation in Sheffield to check on delivery delays for 40 m/m gun barrel forgings. | ||
| View original record | Gun 2L HPS. from Rm. Rm.11/JMS/25.7.40. 40 m/m Gun Barrels. We went to Sheffield today to English Steel Corporation to check up on the delivery date for the 40 m/m barrel forgings. They had forged 40… | ||
| img208 | Letter to the English Steel Corporation confirming delivery details for 40 m/m barrel forgings. | ||
| View original record | 2L 25.7.40. Rm.12/JMS. The English Steel Corporation, SHEFFIELD. For the attention of Mr. Gilfillen. Dear Sirs, Confirming our conversation today, we understand that you will now deliver at least half… | ||
| img209 | Letter from English Steel Corporation regarding the delivery schedule for 40mm barrel forgings. | ||
| View original record | TELEGRAMS:- STEELCORPO, SHEFFIELD. TELEPHONE:- 41071. EXTENSION LONDON OFFICE:- VICKERS HOUSE, BROADWAY, WESTMINSTER, S. W. I. TELEPHONE:- ABBEY 7777 ENGLISH STEEL CORPORATION LTD. INCORPORATING THE… | ||
| img210 | Letter to the English Steel Corporation regarding a proposed order for 500 barrels and the required intervention of the Steel Controller. | ||
| View original record | zh Rm/12 27th July 1 9 4 0. English Steel Corporation, Ltd, Vickers Works, S H E F F I E L D. (For the attention of Mr Gilfillan) Dear Sirs, Thank you for your letter, reference SG/OMB of the 26th… | ||
| img211 | Letter received from the English Steel Corporation regarding the first sixty barrel forgings. | ||
| View original record | HPS. from Hm. c. Hlk. c. Hm/CMS. Okd KL.3/HLC.28.7.40. Herewith a copy of a letter we have received from the English Steel Corporation, with reference to the first sixty barrel forgings. Rm. [Upside… | ||
| img212 | Letter from the English Steel Corporation regarding the delivery schedule for 40mm barrel forgings. | ||
| View original record | COPY OF LETTER FROM E.S.C. 26.7.40. Messrs Rolls Royce Ltd., DERBY. Dear Sirs, 40 mm. Barrel Forgings. We are in receipt of your letter of the 25th. inst. regarding the discussion held at these works… | ||
| img213 | Request to make a tracing of two drawings, 16836 S. and Q.1712, for record purposes. | ||
| View original record | Rm/HH. from Rm. Date Rm.2/ML.28.7.40. Chassis No. Customer Will you please make a tracing of the two drawings: 16836 S. and Q.1712 for record purposes. Rm. [Faint mirrored text from ink transfer] For… | ||
| img214 | The return and duplication of drawings from English Steel Corporation. | ||
| View original record | To Rm. from Rm/HH. Rm/HH.1/SW.30.7.40. We return herewith English Steel Corporation drawings Nos. 16836 S, and Q.1712, of which we have made duplicate drawings under Piece Nos. QR.104 and QR.105… | ||
| img215 | Blueprint for a 40mm barrel with testing instructions and material specifications. | ||
| View original record | ORDER No 138056 138059 3 DIA 4" 59.2" 85" ROUGH M X CUT TEST & INSPn E.S.C. TENSILE & IMPACT FROM BREECH END OF EACH BARREL. BREECH & MUZZLE END OF BARRELS TO BE. BRINELLED. THE BRINELL ON MUZZLE END… | ||
| img216 | Blueprint drawing for a machined V30 steel component for a Mark III assembly. | ||
| View original record | CUSTOMERS DRG. No Q1712 STAMP:- E.S.C. No. VICKERS 8 TEST 3.73" DIA 4.1 DIA 5 DIA 4" 17.8 MACHINE TO DRAWING SIZES TO LENGTH ...END ONLY PUT TURNINGS IN VICKERS BIN D E LTD MARK III 9468/497 (138056)… | ||
| img217 | Blueprint cover sheet for a 40mm Barrel Mark III. | ||
| View original record | ORDER N⁰ 138056- 30 OFF 138059- 30 OFF 17/K Rolls Royce 3 5/16" 11 63 1/8" 63 40 M/M BARREL MK III DRG. N⁰ Q.1712. WEIGHT | ||
| img218 | Letter from English Steel Corporation Ltd. regarding their inability to supply 500 barrels before 1942. | ||
| View original record | COPY FOR OUR FILES. ORIGINAL SENT TO COMMANDER OSWALD. From: ENGLISH STEEL CORPORATION LTD., VICKERS WORKS, SHEFFIELD. Ref: SALES/EE. 1.8.40. Rolls Royce Ltd., DERBY. Dear Sirs, Replying to your… | ||
| img219 | Letter to Commander Oswald of The Admiralty regarding the difficulty of obtaining barrel steel forgings. | ||
| View original record | Dun.6/PM. 8.8.40. Commander Oswald, R.N. The Admiralty, Whitehall. LONDON. Dear Commander Oswald, With reference to our previous discussion on the difficulty of getting barrel steel. We attach… | ||
| img220 | Forwarding test certificates for seven 40 m/m barrel forgings supplied by English Steel Corporation for Admiralty approval. | ||
| View original record | HPS/LB. to Rm. Cgh/EM.2/GH.14.3.40. gL re 40 m/m BARREL FORGINGS. -------------------------- Confirming our discussion of this morning, we attach hereto (for HPS/LB.) copies of test certificates… | ||
| img221 | Letter to English Steel Corporation regarding the preferred material for 40 mm gun barrels. | ||
| View original record | 2L EXPERIMENTAL DEPARTMENT. 5th September, 1940. Rm/CTS.4/ET. English Steel Corporation, Vickers Works, S H E F F I E L D. Dear Sirs, re 40 mm. Gun (Mark III - Type B.D.) With reference to the… | ||
| img222 | Letter from English Steel Corporation regarding steel specifications for the 40mm Gun Mark III Type B.D. | ||
| View original record | TELEGRAMS- STEELCORPO, SHEFFIELD. TELEPHONE - 41071. EXTENSION LONDON OFFICE- VICKERS HOUSE, BROADWAY, WESTMINSTER, S. W. 1. TELEPHONE ABBEY 7777. ENGLISH STEEL CORPORATION LTD (Registered Office)… | ||
| img223 | Inquiry to Messrs. Armstrong-Whitworth regarding their capacity for gun boring and rifling. | ||
| View original record | Rm.3/JMS. 30.6.40. Major Bird, Messrs. Armstrong-Whitworth, NEWCASTLE. Dear Sir, I understand from Mr. Royce of our Glasgow branch that you may be able to undertake some gun boring and rifling for us.… | ||
| img224 | Letter from Sir W. G. Armstrong Whitworth & Co. declining a request for gun boring and rifling work due to machinery delays. | ||
| View original record | SIR W. G. ARMSTRONG WHITWORTH & Co. (IRONFOUNDERS) LTD. CLOSE WORKS, GATESHEAD-UPON-TYNE. TELEPHONE Nos. GATESHEAD 71181 (2 Lines) ASSOCIATED COMPANIES JARROW METAL INDUSTRIES LTD. JARROW TUBE WORKS… | ||
| img225 | Letter to Armstrong Whitworth Ltd. requesting assistance with boring and rifling 25 Bofor gun barrels. | ||
| View original record | 2j Rm.12/ML. 9.7.40. Major Bird, Messrs Armstrong Whitworth Ltd., Close Works, Gateshead-upon-Tyne. Dear Sir, Thank you for your letter of the 5th. July, with reference to your gun boring equipment.… | ||
| img226 | Letter from Jarrow Metal Industries Ltd regarding a delay in assisting with 40 m/m barrel boring. | ||
| View original record | FROM JARROW METAL INDUSTRIES LTD STEEL CASTINGS SPECIAL REFINED IRON IRON AND STEEL ROLLS FOR ALL PURPOSES WESTERN ROAD JARROW TELEPHONE: JARROW 67111 TELEGRAMS: METALLOY, JARROW OUR REF TGB/HHS, YOUR… | ||
| img227 | Letter to Major Bird of Armstrong Whitworth & Co. regarding an offer for 40mm barrel boring machines. | ||
| View original record | 21 116/ML. 14.7.40. Major Bird, General Manager, Armstrong Whitworth & Co., Elswick Works, Gateshead-on-Tyne. Dear Major Bird, Many thanks for your letter of the 11th. July. We shall be glad to take… | ||
| img228 | Letter from the Experimental Dept. requesting one XLS5 Deep Groove Ball Bearing and a quotation for 500 more. | ||
| View original record | Gun file (Mountings). gl Experimental Dept. Rm/FJH.1/JMc. 8th August, 1940. Messrs. The Hoffmann Manufacturing Co., Chelmsford, ESSEX. Hks- Dear Sirs, We are urgently in need of one XLS5 Deep Groove… | ||
| img229 | Letter from Hoffmann Manufacturing Co. confirming the dispatch of one XLS.5 Ball Bearing and a forthcoming quotation for 500 units. | ||
| View original record | HOFFMANN Registered Trade Mark BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. TELEPHONE:… | ||
| img230 | Letter from Hoffmann Manufacturing Co. Ltd. confirming the dispatch of a bearing for gun mountings. | ||
| View original record | C.T.S. Have you this bearing - 2L BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. HOFFMANN Registered Trade Mark BALL AND ROLLER BEARINGS… | ||
| img231 | Order for a bearing from The Hoffmann Manufacturing Co. Ltd. | ||
| View original record | To Lcg/FS. from Rm/CTS. Rm/CTS.12/MT.16.8.40 Will you please issue an order in respect of the attached Advice Note from The Hoffmann Manufacturing Co. Ltd., CHELMSFORD. for: 1 - XLS.9. Bearing. Advice… | ||
| img232 | Request to Hoffmann Manufacturing Co. for the supply and quotation of specific bearings. | ||
| View original record | Rm/CTS.6/ET. 16th August, 1940. The Hoffmann Manufacturing Co. CHELMSFORD. Dear Sirs, Bearings Will you please supply as soon as possible, the following bearing: One: LS 13 1/2 1- 1/2 x 3/4 x 7/8 Will… | ||
| img233 | Quotation from The Hoffmann Manufacturing Co. Ltd. for XLS.5 Extra Light Type Ball Journal Bearings. | ||
| View original record | BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. HOFFMANN Registered Trade Mark BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS TELEPHONE:… | ||
| img234 | Letter to The Hoffmann Manufacturing Co. Ltd. regarding a quote and future requirements for XLS5 bearings for gun mountings. | ||
| View original record | 2L Rm.5/NL. 17.8.40. C.H.Smith,Esq., Messrs The Hoffmann Manufacturing Co.Ltd., CHELMSFORD. Dear Mr. Smith, We have asked you to quote for 500 XLS5 bearings, which you are doing. This bearing is being… | ||
| img235 | Letter from Hoffmann Manufacturing Co. Ltd. confirming a quotation and discussing the supply of XLS 5 Ball Journal Bearings. | ||
| View original record | HOFFMANN Registered Trade Mark BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. TELEPHONE… | ||
| img236 | Letter from Hoffmann Manufacturing Co. Ltd. regarding a quotation for 500 L.S. 13 1/2 ball bearings. | ||
| View original record | HOFFMANN Registered Trade Mark BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. THE… | ||
| img237 | Quotation from The Hoffmann Manufacturing Co. Ltd. for 500 Light Type Ball Journal Bearings. | ||
| View original record | HOFFMANN Registered Trade Mark BALL-AND-ROLLER-BEARINGS STEEL-BALLS-AND-ROLLERS BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. TELEPHONE:… | ||
| img238 | Letter to Hoffmann Manufacturing Co. regarding bearing supply and delivery schedules. | ||
| View original record | COPY. Rm/CTS.2/ET. 5.9.40. HOFFMANN MANUFACTURING CO., C H E L M S F O R D. For the attention of Mr. C.H.Smith. Dear Sir, We thank you for your letter reference CHS/AMB. dated 19th. August. Referring… | ||
| img239 | Letter from The Hoffmann Manufacturing Co. Ltd. regarding the delivery of specific bearings. | ||
| View original record | HOFFMANN Registered Trade Mark BALL AND ROLLER BEARINGS STEEL BALLS AND ROLLERS THE HOFFMANN MANUFACTURING Co., LTD. BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL… | ||
| img240 | Letter to Hoffmann Manufacturing Co. about the supply of bearings for a gun mounting. | ||
| View original record | EXPERIMENTAL DEPARTMENT. Bm/CTS.5/ET. 16th September 1940. Your reference FA/GAJ. The Hoffmann Manufacturing Co., Ltd., C H E L M S F O R D. Dear Sirs, We thank you for your letter dated 14th… | ||
| img241 | Order be placed with The Hoffmann Manufacturing Co. for various bearings. | ||
| View original record | To Roy. from Rm/CTS. 2L Rm/CTS.4/ET.16.9.40. Will you please send an order to The Hoffmann Manufacturing Co., CHELMSFORD. to cover:- 15 - L.S. 1 3/4 Bearings. 15 - XLS. 5 " in accordance with our… | ||
| img242 | Requesting an estimate of man-hours to produce parts for converting a 40mm gun to automatic. | ||
| View original record | To C/HD. from Ve. cc. to Sy/HD/Hs. & Ve.2. c. to Rm. Ve.2/CB.23.9.41. Would you please estimate the man hours required to produce the extra parts required to make the 40 mm/Type BD gun automatic (i.e.… | ||