| Description | Date | Identifier | |
| The document is too degraded to determine its specific subject, but appears to be a memorandum. | 13th Jun 1930 | Box 174 \ 5 img248 | |
| Newspaper clipping reporting the fatal crash of Sir Henry Segrave's boat, Miss England II, during a water speed record attempt. | 13th Jun 1930 | Box 174 \ 5 img249 | |
| The supply of drawings and weights for a 40m.m. gun to Thornycrofts for new boat designs. | 4th Nov 1940 | Box 175 \ 1 img001 | |
| Drawing of a Type BD gun with a Type B.3 mounting on a Scott-Paine M.T. Boat. | 11th Nov 1940 | Box 175 \ 1 img002 | |
| Letter extract discussing the design and mounting of a 40 m.m. Naval Gun for use on fast Motor Torpedo Boats. | 20th Dec 1940 | Box 175 \ 1 img003 | |
| Comparison table of gun specifications and a discussion on gun placement. | 20th Dec 1940 | Box 175 \ 1 img004 | |
| Installation drawing for a 40 m.m. gun and power mounting on M.T. Boats. | 1st Apr 1941 | Box 175 \ 1 img005 | |
| Letter from the British Power Boat Company concerning a gun sent for inspection and its suitability for their boats. | 10th May 1941 | Box 175 \ 1 img006 | |
| Letter to The British Power Boat Co. Ltd. clarifying details about a gun and its separate power-driven mounting, and requesting installation drawings. | 19th May 1941 | Box 175 \ 1 img007 | |
| Secret letter to The British Power Boat Co. about a Merlin engine's potential marine application. | 26th May 1941 | Box 175 \ 1 img008 | |
| Letter from The British Power Boat Company Ltd. regarding their lack of use for the Merlin engine and forwarding the letter to the Air Ministry. | 19th Jun 1941 | Box 175 \ 1 img009 | |
| Letter to the British Power Boat Company regarding the Marine naturally aspirated Merlin engine. | 26th Jun 1941 | Box 175 \ 1 img010 | |
| Blueprint for the stiffening and mounting of a 40mm gun on a deck. | 1st May 1943 | Box 175 \ 1 img011 | |
| Request for Powered Mounting equipment for the M.G.B. Flotilla. | 10th Jul 1941 | Box 175 \ 1 img012 | |
| Letter discussing the automatic version of the 2-pdr Mark XIV Gun on the Powered Mounting. | 10th Jul 1941 | Box 175 \ 1 img013 | |
| Letter concerning the trial fitting of a 2-pdr Mark XIV gun mounting on a Motor Gun Boat. | 14th Jul 1941 | Box 175 \ 1 img014 | |
| 40mm gun on a powered mounting for naval use. | 10th Aug 1941 | Box 175 \ 1 img015 | |
| The installation of a 40mm gun on a powered mounting for naval use. | 6th Aug 1941 | Box 175 \ 1 img016 | |
| Arrangements for collecting and installing a 40mm gun on a powered naval mounting, and the associated risk of enemy action. | 12th Aug 1941 | Box 175 \ 1 img017 | |
| The design and mock-up of an electrically operated Bofors anti-aircraft gun sight. | 16th Sep 1941 | Box 175 \ 1 img018 | |
| The trial of a 40mm gun on a high-speed anti-submarine boat, detailing structural issues and production dependencies. | 22th Aug 1941 | Box 175 \ 1 img019 | |
| Letter to Messrs. Nash & Thompson ltd. requesting the return of an arrangement drawing for a 40mm gun power mounting. | 22th Sep 1941 | Box 175 \ 1 img020 | |
| From the Enthusiasts' Club about extracts from the book 'Battle of the Narrow Seas' and related correspondence. | 1st Jan 1990 | Box 175 \ 1 img021 | |
| Photographic portrait of Lt. Cdr. R. P. Hichens. | 1st Jan 1990 | Box 175 \ 1 img022 | |
| Page from a book detailing the arrival and early operations of Motor Gunboats during World War II. | 12th Apr 1943 | Box 175 \ 1 img023 | |
| Narrative account of naval engagements between M.G.B.s and E-boats, detailing tactical evolution and personnel experiences. | 12th Apr 1943 | Box 175 \ 1 img024 | |
| Narrative account of a naval engagement involving motor gunboats and E-boats. | 12th Apr 1943 | Box 175 \ 1 img025 | |
| Confirming a conversation about a visit to the Central Landing Establishment, R.A.F. Ringway, to discuss a problem with launching gears. | 15th Oct 1940 | Box 175 \ 2 img001 | |
| Letter confirming the borrowing of two launching winches from The Derbyshire and Lancashire Gliding Club. | 18th Oct 1940 | Box 175 \ 2 img002 | |
| Letter confirming a telephone conversation regarding the return of borrowed winches and a personal note about attending a lunch. | 18th Oct 1940 | Box 175 \ 2 img003 | |
| Visit to the R.A.F. regarding the development of catapulting launching gear. | 19th Oct 1940 | Box 175 \ 2 img004 | |
| Adapting car engines for an R.A.F. catapult launching gear. | 19th Oct 1940 | Box 175 \ 2 img005 | |
| Request for a perspective sketch and detail drawings of a winch installation on a lorry. | 19th Oct 1940 | Box 175 \ 2 img006 | |
| Glider towing forces, quoting an extract from 'the Sailplane' magazine. | 21th Oct 1940 | Box 175 \ 2 img007 | |
| Letter to Bernard Thomas regarding a Thornycroft-Ford winch, a Chrysler battery, and planned work on a Ford engine. | 23th Oct 1940 | Box 175 \ 2 img008 | |
| Letter to the Derbyshire & Lancashire Gliding Club listing loose parts removed from a borrowed Thornycroft-Ford winch. | 23th Oct 1940 | Box 175 \ 2 img009 | |
| Letter to A. Verity regarding a Thornycroft-Ford winch and a Chrysler rear axle. | 26th Oct 1940 | Box 175 \ 2 img010 | |
| Receipt for one winch in working order signed by an RAF Wing Commander. | 27th Oct 1940 | Box 175 \ 2 img011 | |
| Development of a launching winch for the R.A.F. using a Phantom III engine. | 28th Oct 1940 | Box 175 \ 2 img012 | |
| Drawing of an aircraft winch fitted to a Thornycroft Chassis by the Lancs & Derby Gliding Club. | 30th Oct 1940 | Box 175 \ 2 img013 | |
| Photograph showing the rear axle, differential, and shock absorber linkage of a vehicle. | 30th Oct 1940 | Box 175 \ 2 img015 | |
| Photograph showing the side profile of an armored car parked in a rural setting. | 30th Oct 1940 | Box 175 \ 2 img016 | |
| Photograph of a military-style truck from the rear three-quarter view. | 30th Oct 1940 | Box 175 \ 2 img017 | |
| Photograph of an overturned vehicle, showing the front wheel and fender area. | 30th Oct 1940 | Box 175 \ 2 img019 | |
| Photograph of a vehicle's engine bay, featuring the radiator and front of the engine. | 30th Oct 1940 | Box 175 \ 2 img020 | |
| Photograph of what appears to be an early dynamometer or tyre testing rig with a chain drive. | 30th Oct 1940 | Box 175 \ 2 img021 | |
| Photograph of a chain-driven mechanism mounted above an engine and radiator on a test rig. | 30th Oct 1940 | Box 175 \ 2 img022 | |
| Photograph showing a close-up view of complex industrial machinery. | 30th Oct 1940 | Box 175 \ 2 img023 | |
| Close-up photograph of a mechanical assembly featuring a spool of wire, a chain drive, and various mounting components. | 30th Oct 1940 | Box 175 \ 2 img024 | |
| Photograph of a wire spool and mechanical apparatus. | 30th Oct 1940 | Box 175 \ 2 img025 | |
| Close-up photograph of a mechanical assembly on a vehicle chassis, likely showing part of the brake or suspension system. | 30th Oct 1940 | Box 175 \ 2 img026 | |
| Photograph of the driver's cabin and dashboard of an armored vehicle. | 1st Nov 1940 | Box 175 \ 2 img027 | |
| Cover note for the loan of N.A.C.A. Technical Note No.753 concerning launching gear. | 1st Nov 1940 | Box 175 \ 2 img028 | |
| Letter to Wing Commander Buxton regarding the loan of pamphlet No. 753 and a winch. | 5th Nov 1940 | Box 175 \ 2 img029 | |
| Letter regarding the return of a technical note and arrangements to hire a winch. | 9th Nov 1940 | Box 175 \ 2 img030 | |
| Letter from the Central Landing Establishment requesting the design of a standard glider launching winch with a hydraulic torque converter. | 20th Nov 1940 | Box 175 \ 2 img031 | |
| Letter to Wing Commander Buxton regarding a Glider Launching Winch and other design work for the Ministry of Supply. | 26th Nov 1940 | Box 175 \ 2 img032 | |
| Letter from the Royal Air Force regarding the purchase and invoicing for work on a Thornycroft Launching winch. | 4th Dec 1940 | Box 175 \ 2 img033 | |
| Letter to Wing Commander Buxton regarding work on a winch owned by the Derbyshire and Lancashire Gliding Club. | 8th Dec 1940 | Box 175 \ 2 img034 | |
| Letter from the Development Unit, Royal Air Force, regarding a drawing and suggestions for a standard R.A.F. glider launching winch. | 7th Dec 1940 | Box 175 \ 2 img035 | |
| Letter to Wing Commander Buxton regarding the design and official request for a more powerful glider launching winch. | 12th Dec 1940 | Box 175 \ 2 img036 | |
| Letter from the Ministry of Aircraft Production regarding a contract and development work for a glider launching winch. | 3rd Jan 1941 | Box 175 \ 2 img037 | |
| Letter to Wing Commander Buxton requesting specifications for a winch acquired from the Lancashire Gliding Club. | 7th Jan 1941 | Box 175 \ 2 img038 | |
| Letter from the Ministry of Aircraft Production regarding a contract and pricing for a full-size glider launching winch. | 3rd Jan 1941 | Box 175 \ 2 img039 | |
| Letter to the Ministry of Aircraft Production regarding a specification and price for a winch. | 7th Jan 1941 | Box 175 \ 2 img040 | |
| Letter from the RAF Development Unit regarding a draft of requirements for a winch. | 13th Jan 1941 | Box 175 \ 2 img041 | |
| Requirement memorandum outlining the design and operational specifications for a high-speed launching winch for a large glider. | 23th Jan 1941 | Box 175 \ 2 img042 | |
| Letter to Wing Commander Buxton explaining a delay in design work for a winch due to other urgent projects. | 23th Jan 1941 | Box 175 \ 2 img043 | |
| Letter from the Royal Air Force providing criticism on a Thornycroft lorry with a Ford V8 winch unit used for training. | 27th Jan 1941 | Box 175 \ 2 img044 | |
| Letter from the Royal Air Force discussing a launching winch and alternative torque converters. | 27th Jan 1941 | Box 175 \ 2 img045 | |
| Design and construction of a gliding winch for the war effort. | 28th Jan 1941 | Box 175 \ 2 img046 | |
| Draft requirement memo for a high-speed winch designed to launch a large glider. | 30th Jan 1941 | Box 175 \ 2 img047 | |
| Letter to Wing Commander Buxton regarding omitted notes on the Derby Clubs winch. | 30th Jan 1941 | Box 175 \ 2 img048 | |
| Letter to Alvis & Co. Ltd. regarding a mailing error. | 31th Jan 1941 | Box 175 \ 2 img049 | |
| Cover letter from the Royal Air Force regarding points on the Derby Clubs winch. | 4th Feb 1941 | Box 175 \ 2 img050 | |
| Specifications and calculations for a gliding winch. | 5th Feb 1941 | Box 175 \ 2 img051 | |
| Development of a glider winch for the R.A.F. using a Phantom III engine. | 2nd May 1941 | Box 175 \ 2 img052 | |
| Letter from the Royal Air Force regarding an amended draft memorandum for winch requirements. | 7th Feb 1941 | Box 175 \ 2 img053 | |
| Draft requirement memorandum for a launching winch for a large glider. | 7th Feb 1941 | Box 175 \ 2 img054 | |
| Design requirements for a winch, covering power, operational angles, braking, and mobility. | 9th Feb 1941 | Box 175 \ 2 img055 | |
| The RAF's requirement for a 200 HP output from a Phantom III Gliding Winch engine. | 9th Feb 1941 | Box 175 \ 2 img056 | |
| Letter to Wing Commander Burton regarding criticisms of the Ford V.8 winch and related design investigations. | 9th Feb 1941 | Box 175 \ 2 img057 | |
| Cover note forwarding the RAF's criticisms on the Ford V.8. | 9th Feb 1941 | Box 175 \ 2 img058 | |
| Letter from the Royal Air Force providing criticism on a Thornycroft Lorry with a Ford V8 Winch Unit. | 27th Jan 1941 | Box 175 \ 2 img059 | |
| Covering memo regarding the RAF's criticisms on the Ford V.8. | 9th Feb 1941 | Box 175 \ 2 img060 | |
| Requirement memorandum for a high-speed winch to launch a large glider. | 14th Feb 1941 | Box 175 \ 2 img062 | |
| Letter to Hydraulic Coupling & Engineering Co., Ltd. regarding the specification for a fluid coupling for a petrol engine, likely for a winch. | 14th Feb 1941 | Box 175 \ 2 img063 | |
| Page 2 of a letter to Hydraulic Coupling & Engineering Co. Ltd. about modifications to a coupling's output flange. | 15th Feb 1941 | Box 175 \ 2 img064 | |
| Letter from the Royal Air Force's Central Landing Establishment regarding changes to a Requirement Memorandum for a winch. | 15th Feb 1941 | Box 175 \ 2 img065 | |
| Amendment to a requirement memorandum concerning the design of a launching winch. | 19th Feb 1941 | Box 175 \ 2 img066 | |
| Letter from the Royal Air Force discussing design changes and future-proofing for a winch. | 19th Feb 1941 | Box 175 \ 2 img067 | |
| Amendment to a requirement memorandum concerning the design of a launching winch. | 19th Feb 1941 | Box 175 \ 2 img068 | |
| Requirement memorandum for a high-speed winch to launch a large glider. | 19th Feb 1941 | Box 175 \ 2 img069 | |
| Design specifications for a mobile winch, detailing power, operational angles, braking, and transport requirements. | 17th Feb 1941 | Box 175 \ 2 img070 | |
| Letter from the Royal Air Force regarding specifications for a winch cable for winch-launching. | 17th Feb 1941 | Box 175 \ 2 img071 | |
| Experience with wire ropes used for winch-launching gliders at private clubs. | 19th Feb 1941 | Box 175 \ 2 img072 | |
| Secret letter to Wing Commander Buxton regarding the progress on a winch design project. | 19th Feb 1941 | Box 175 \ 2 img073 | |
| Design and performance comparison of a launching winch with and without a fluid coupling. | 19th Feb 1941 | Box 175 \ 2 img074 | |
| Performance graph for a Launching Winch, comparing a fluid coupling against a normal clutch. | 19th Feb 1941 | Box 175 \ 2 img075 | |
| Letter from Buxton modifying the original requirements for the winch on the launching gear. | 19th Feb 1941 | Box 175 \ 2 img076 | |
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