| Description | Date | Identifier | |
| Fuel specifications and a request for a 110 octane fuel sample for testing. | 31th Oct 1939 | Box 27 \ 3 Scan323 | |
| Request for a large telephone bell for the Experimental Garage due to the noise of engines being tested. | 31th Oct 1939 | Box 27 \ 3 Scan324 | |
| Notifying a change of telephone extension number. | 1st Nov 1939 | Box 27 \ 3 Scan325 | |
| Crashed Heinkel plane and the recovery of its port engine for examination. | 2nd Nov 1939 | Box 27 \ 3 Scan326 | |
| Assessment report on a German aircraft, detailing its specifications, equipment, and maintenance features. | 27th Jan 1939 | Box 27 \ 3 Scan327 | |
| Analysis of an aircraft's systems, including petrol tanks, armament, and controls. | 27th Jan 1939 | Box 27 \ 3 Scan328 | |
| The inspection of a downed Heinkel aircraft and a list of items recovered from it. | 27th Jan 1939 | Box 27 \ 3 Scan329 | |
| List of items sent afterwards, including a petrol relief valve and two types of quick release sockets. | 2nd Nov 1939 | Box 27 \ 3 Scan330 | |
| Visit to Intava Corporation regarding petrol injection and E.P. oil for gear cases. | 2nd Nov 1939 | Box 27 \ 3 Scan331 | |
| Letter discussing the performance of Brown Boveri exhaust turbo units and the potential cancellation of an experiment. | 2nd Nov 1939 | Box 27 \ 3 Scan332 | |
| Letter discussing the poor performance of Brown Boveri exhaust turbo units and the potential cancellation of further tests. | 2nd Nov 1939 | Box 27 \ 3 Scan333 | |
| Suggesting an examination of the machine guns from a crashed Heinkel plane. | 3rd Nov 1939 | Box 27 \ 3 Scan334 | |
| Proposed Glasgow sub-contract card and its printing format. | 3rd Nov 1939 | Box 27 \ 3 Scan335 | |
| Letter to Carter-Parratt Ltd. requesting a sample record card to be produced on a Visten Card for the Glasgow Factory. | 4th Nov 1939 | Box 27 \ 3 Scan336 | |
| Letter to S.B. Wilks of The Rover Company Ltd. asking for an opinion on corrugated iron buildings. | 4th Nov 1939 | Box 27 \ 3 Scan337 | |
| Letter from Carter-Parratt Ltd. regarding a draft 'VISTEM' card for the Glasgow factory. | 7th Nov 1939 | Box 27 \ 3 Scan338 | |
| Letter from estate agents Richardson & Linnell confirming a telephone call about available factory premises. | 7th Nov 1939 | Box 27 \ 3 Scan339 | |
| Letter to Franco-Britannic Autos Ltd. regarding chassis B-116-EL owned by Mr. Jacques Hauvette. | 7th Nov 1939 | Box 27 \ 3 Scan340 | |
| Letter to Messrs. Richardson & Linnell regarding particulars of empty premises in Derby. | 8th Nov 1939 | Box 27 \ 3 Scan341 | |
| Letter to an estate agent acknowledging receipt of particulars for empty premises in Derby. | 8th Nov 1939 | Box 27 \ 3 Scan342 | |
| Confirming the tenancy and rent payment for shed No. 103 at the Trent Navigation premises in Shardlow. | 8th Nov 1939 | Box 27 \ 3 Scan343 | |
| Letter concerning a repaired Rover car, use of another vehicle, and a proposed meeting to discuss research contracts. | 9th Nov 1939 | Box 27 \ 3 Scan344 | |
| Request for a list of staff names and check numbers called up under the Militia Training Scheme. | 10th Nov 1939 | Box 27 \ 3 Scan345 | |
| Letter to Carter Parratt Ltd. regarding modifications required for 'Vistem' cards. | 10th Nov 1939 | Box 27 \ 3 Scan346 | |
| Visit to Glasgow to discuss subcontracting procedures and delivery schedules. | 10th Nov 1939 | Box 27 \ 3 Scan347 | |
| Outlining the necessary paperwork and procedural alterations for managing subcontractors and new firms. | 10th Nov 1939 | Box 27 \ 3 Scan348 | |
| Change to the layout of a record card's scrap column. | 10th Nov 1939 | Box 27 \ 3 Scan349 | |
| Call-up of men from the Experimental Garage for the Militia Training Scheme. | 13th Nov 1939 | Box 27 \ 3 Scan350 | |
| Request to forward a car registration book and petrol coupons for a Bentley car. | 14th Nov 1939 | Box 27 \ 3 Scan351 | |
| Notice to staff about the office closure dates for the 1939 Christmas holiday and subsequent stocktaking. | 14th Nov 1939 | Box 27 \ 3 Scan352 | |
| Notice detailing holiday work schedules for different shifts. | 14th Nov 1939 | Box 27 \ 3 Scan353 | |
| Letter to F. Innes returning a plan of the Ground Floor of Messrs. Sanderson & Holmes Garage. | 14th Nov 1939 | Box 27 \ 3 Scan354 | |
| Letter from The Rover Company Ltd. discussing the comparative costs and benefits of corrugated iron versus brick buildings. | 15th Nov 1939 | Box 27 \ 3 Scan355 | |
| Scheduling appointments, including a visit to the Spitfire factory and a meeting with Mr. Bass. | 16th Nov 1939 | Box 27 \ 3 Scan356 | |
| Letter from Intava Limited arranging a visit to discuss the supply of IAA-716 lubricating oil for Air Ministry tests. | 16th Nov 1939 | Box 27 \ 3 Scan357 | |
| Letter to W.E.Goodwin rejecting a proposed scheme involving a sample cone. | 17th Nov 1939 | Box 27 \ 3 Scan358 | |
| Letter to Oliver Boden at Castle Bromwich Aeroplane Factory regarding a visit to discuss engine production and maintenance. | 17th Nov 1939 | Box 27 \ 3 Scan359 | |
| Letter from Norbury Motors Ltd. offering their workshop services for war vehicle sub-contracts. | 20th Nov 1939 | Box 27 \ 3 Scan360 | |
| Letter to Norbury Motors Ltd. regarding the sub-contracting of work for the supply and repair of War Vehicles. | 22th Nov 1939 | Box 27 \ 3 Scan361 | |
| The design and implementation of a new subcontract order form for Glasgow and Derby. | 22th Nov 1939 | Box 27 \ 3 Scan362 | |
| Requesting an update on a scheme to relocate the Electrical Laboratory, which was held up by the outbreak of war. | 22th Nov 1939 | Box 27 \ 3 Scan363 | |
| The implementation and numbering of new sub-contract order forms. | 23th Nov 1939 | Box 27 \ 3 Scan364 | |
| The urgent need to expand the Machine Section to accommodate a delivery of new machines. | 24th Nov 1939 | Box 27 \ 3 Scan365 | |
| Cost and reasons for experimental scrap due to chassis design changes. | 24th Nov 1939 | Box 27 \ 3 Scan366 | |
| The costs of experimental scrap due to design changes for a four-week period. | 24th Nov 1939 | Box 27 \ 3 Scan367 | |
| Requesting an order for two tan-sad chairs for a weight analysis job. | 25th Nov 1939 | Box 27 \ 3 Scan368 | |
| Requesting approval for the drafts of the Monthly Letter and Stock Report. | 27th Nov 1939 | Box 27 \ 3 Scan369 | |
| Amendments and ordering of sub-contract forms for different company locations. | 27th Nov 1939 | Box 27 \ 3 Scan370 | |
| List of personnel in the Experimental Garage Staff. | 27th Nov 1939 | Box 27 \ 3 Scan371 | |
| Telegram requesting a response regarding subcontract stationery and an update on new record cards. | 28th Nov 1939 | Box 27 \ 3 Scan372 | |
| Letter regarding the sourcing of second-hand turret lathes from the USA. | 28th Nov 1939 | Box 27 \ 3 Scan373 | |
| Requesting the printing and despatch of drawings to Vickers in Glasgow. | 28th Nov 1939 | Box 27 \ 3 Scan374 | |
| Letter discussing a suitable model of carburettor for trial on a particular engine. | 28th Nov 1939 | Box 27 \ 3 Scan375 | |
| To the Experimental Department asking how many Certificates of Security are required for the new year. | 28th Nov 1939 | Box 27 \ 3 Scan376 | |
| Confirming the dispatch of a registration book and old petrol coupons. | 29th Nov 1939 | Box 27 \ 3 Scan377 | |
| Requirement for Certificates of Security for the experimental department. | 30th Nov 1939 | Box 27 \ 3 Scan378 | |
| Request from EFC to C.O. to order an Improved Universal Bevel Protractor for the Experimental Department. | 22th May 1917 | Box 27 \ 4 Scan001 | |
| Internal order request for a Universal Index Centre with a Jaw Chuck and Centre Rest for the Experimental Department. | 3rd Nov 1917 | Box 27 \ 4 Scan002 | |
| The purchase of two hygrometers for the Experimental and Test departments. | 3rd Nov 1917 | Box 27 \ 4 Scan003 | |
| Internal order request for blowpipes and a stove for the Experimental Department. | 20th Mar 1918 | Box 27 \ 4 Scan004 | |
| The procurement of a Bevel Protractor for the Experimental Department. | 15th Nov 1918 | Box 27 \ 4 Scan005 | |
| The purchase of a thermometer from the Cambridge Scientific Instrument Co. | 23th Jan 1919 | Box 27 \ 4 Scan006 | |
| Requesting a quotation for two waterproof knee aprons from either Dunhills or Cordings. | 27th Feb 1919 | Box 27 \ 4 Scan007 | |
| E.H. to O.O. requesting an order for six lengths of glass tube with specified dimensions. | 7th Mar 1919 | Box 27 \ 4 Scan008 | |
| To Mr. Hives regarding the delivery status of four padlocks for petrol safes. | 14th Mar 1919 | Box 27 \ 4 Scan009 | |
| To Mr Clark regarding the receipt of Dust Excluders and Copper Washers for experiments. | 21th Mar 1919 | Box 27 \ 4 Scan010 | |
| Order for two types of K.L.G. sparking plugs. | 21th Mar 1919 | Box 27 \ 4 Scan011 | |
| Return of incorrect single-point KLG spark plugs and requesting the correct three-point replacements. | 1st Apr 1919 | Box 27 \ 4 Scan012 | |
| The receipt and disposal of a malleable cone clutch lined with Thermoid. | 17th Apr 1919 | Box 27 \ 4 Scan013 | |
| Order for two measuring glasses for the Experimental Department. | 10th Jun 1919 | Box 27 \ 4 Scan014 | |
| Order for 6 speedometer belts made of rawhide. | 22th Sep 1919 | Box 27 \ 4 Scan015 | |
| Request to order two large-size waterproof knee-aprons lined with green cloth. | 17th Oct 1919 | Box 27 \ 4 Scan016 | |
| Request to obtain two 30 lbs oil pressure gauges for experimental purposes, with a suggestion to hold off on large contracts for the 20 lbs version. | 24th Nov 1919 | Box 27 \ 4 Scan017 | |
| Order for a speedometer assembly and an 8-day clock from Messrs. Elliott. | 28th Nov 1919 | Box 27 \ 4 Scan018 | |
| Received and outstanding speedometer parts from Messrs. Elliott's. | 16th Dec 1919 | Box 27 \ 4 Scan019 | |
| Internal request to order two Ballast Boxes for experimental purposes from Messrs. Holmes Bros. | 23th Jan 1920 | Box 27 \ 4 Scan020 | |
| Order of anti-sulphuric enamel for new battery benches. | 18th Feb 1921 | Box 27 \ 4 Scan021 | |
| Order for a Smith Bendix Drive pinion for the Experimental Department. | 31th Mar 1921 | Box 27 \ 4 Scan022 | |
| Request for flexible tubing to test a mechanical tyre pump, with a suggestion to source it from Dunlops. | 24th Mar 1921 | Box 27 \ 4 Scan023 | |
| Requesting standard rubber flexible tubing for mechanical tyre pumps with a 1/4' diameter hole. | 31th Mar 1921 | Box 27 \ 4 Scan024 | |
| Request for clarification on the size, bore, and material of tubing for a mechanical tyre pump. | 31th Mar 1921 | Box 27 \ 4 Scan025 | |
| Request to order 7 lbs of Prices 'Belmoline' 'C' Grease. | 13th Feb 1922 | Box 27 \ 4 Scan026 | |
| Internal order request for tyre repair supplies from Messrs. Dunlops. | 20th Feb 1922 | Box 27 \ 4 Scan027 | |
| Request for materials and parts for the experimental testing of a Goshawk II chassis. | 1st Feb 1922 | Box 27 \ 4 Scan028 | |
| Request to order three 8-day dashboard clocks from Messrs. Waltham with black dials and silvered letters. | 28th Feb 1922 | Box 27 \ 4 Scan029 | |
| Urgent order for K.L.G. and Lodge sparking plugs for the Experimental Goshawk engines. | 28th Feb 1922 | Box 27 \ 4 Scan030 | |
| Internal request to order three tool bags for the 10,000 miles Goshawks from Rotax Motor Accessories Ltd. | 17th Mar 1922 | Box 27 \ 4 Scan031 | |
| Order for Dunlop Magnum tyre covers for Goshawk cars. | 22th Mar 1922 | Box 27 \ 4 Scan032 | |
| Order for a 14 lbs. tin of Prices 'Belmoline' Grease. | 17th Jun 1922 | Box 27 \ 4 Scan033 | |
| Requesting an order for two specific types of wire wheel spoke brushes for the Experimental Department. | 19th Jul 1922 | Box 27 \ 4 Scan034 | |
| Order request for four rear red lamp glasses for two types of Lucas lamps. | 1st Aug 1922 | Box 27 \ 4 Scan035 | |
| Ordering six Dunlop straight-sided tyre covers for cars destined for France. | 25th Sep 1922 | Box 27 \ 4 Scan036 | |
| Request to order four dozen Schrader valve and spring replacements from Messrs. Dunlops. | 11th Nov 1922 | Box 27 \ 4 Scan037 | |
| Internal memorandum requesting a large quantity of Aviation petrol, Benzol, and Castrol 'R' oil. | 4th Dec 1922 | Box 27 \ 4 Scan038 | |
| Letter requesting information on larger scale motoring maps for the Wirksworth, Ashbourne and Matlock districts. | 16th Dec 1922 | Box 27 \ 4 Scan039 | |
| Inquiry to the British Ordnance Survey regarding maps showing hill gradients in Derbyshire. | 16th Dec 1922 | Box 27 \ 4 Scan040 | |
| Letter from the Ordnance Survey London Map Depot forwarding an index list of road maps. | 20th Dec 1922 | Box 27 \ 4 Scan041 | |
| The purchase of Ordnance Survey maps. | 21th Dec 1922 | Box 27 \ 4 Scan042 | |
| Request to obtain two 25 cubic inch capacity glass measures for cylinders. | 1st Jan 1923 | Box 27 \ 4 Scan043 | |
| Internal request to order a double recording stopwatch from J.W. Benson & Co. | 15th Jan 1923 | Box 27 \ 4 Scan044 | |
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