| Description | Date | Identifier | |
| Bibliography of research papers on the properties and behavior of raw and vulcanised rubber. | 10th Mar 1938 | Box 143 \ 3 scan0163 | |
| Bibliography or list of references regarding the properties of rubber, particularly at low temperatures. | 10th Mar 1938 | Box 143 \ 3 scan0164 | |
| Bibliography of scientific papers and books on the properties of rubber. | 2nd Apr 1940 | Box 143 \ 3 scan0165 | |
| Intelligence Division report providing references on the behaviour of rubber at low temperatures. | 2nd Apr 1940 | Box 143 \ 3 scan0166 | |
| Urgent notice instructing staff to work during the Whitsuntide Holidays. | 10th May 1940 | Box 143 \ 3 scan0167 | |
| The despatch of 2 engine valves in glass containers to Sir Alexander Duckham. | 10th Apr 1940 | Box 143 \ 3 scan0168 | |
| Cover memo listing a series of attached drawings and memos. | 10th Apr 1940 | Box 143 \ 3 scan0169 | |
| To Mr. Wheeler of Alum Foundry regarding the clearing of the gun room, making it available for use. | 10th Apr 1940 | Box 143 \ 3 scan0170 | |
| Instructing testers to circulate an attached document and return it to the General Office. | 11th Apr 1940 | Box 143 \ 3 scan0171 | |
| To the Millwrights department requesting the clearing of a gangway in the experimental garage. | 11th Apr 1940 | Box 143 \ 3 scan0172 | |
| Letter from The Institution of Automobile Engineers to W.A. Robotham regarding a paper on Cylinder Wear. | 12th Apr 1940 | Box 143 \ 3 scan0173 | |
| Letter to the Institution of Automobile Engineers regarding a forthcoming summary on cylinder bore wear. | 15th Apr 1940 | Box 143 \ 3 scan0174 | |
| Query regarding the functional temperature of Merlin valve springs in flight. | 12th Apr 1940 | Box 143 \ 3 scan0175 | |
| Benefits of engine valve overlap and separate throttle valves for each induction pipe. | 15th Apr 1940 | Box 143 \ 3 scan0176 | |
| Promotional letter from A.J. Ashdown Ltd to Bentleys Motors regarding the Type C Rotoscope. | 15th Apr 1940 | Box 143 \ 3 scan0177 | |
| Brochure cover for The Ashdown Rotoscope, an engineering tool. | 15th Apr 1940 | Box 143 \ 3 scan0178 | |
| Brochure page for the Ashdown Rotoscope, detailing its applications across various industries. | 15th Apr 1940 | Box 143 \ 3 scan0179 | |
| Pages from a product manual for the Ashdown Rotoscope, showing the device and its use in aero-engine testing. | 15th Apr 1940 | Box 143 \ 3 scan0180 | |
| Descriptive document outlining the features and operation of the Ashdown Rotoscope for motion study. | 15th Apr 1940 | Box 143 \ 3 scan0181 | |
| Instructions and use cases for the Ashdown Rotoscope, a speed-determining instrument. | 15th Apr 1940 | Box 143 \ 3 scan0182 | |
| Two-page document describing the features and operation of the Ashdown Rotoscope instrument. | 15th Apr 1940 | Box 143 \ 3 scan0183 | |
| Detailed specification and pricing for the Ashdown Rotoscope and accessories. | 15th Apr 1940 | Box 143 \ 3 scan0184 | |
| Cover note for drawings issued in attached memos. | 15th Apr 1940 | Box 143 \ 3 scan0185 | |
| Transmittal memo listing drawings issued under five different memo references. | 15th Apr 1940 | Box 143 \ 3 scan0186 | |
| Procedure for employees to apply for supplementary petrol rations for travel between home and work. | 15th Apr 1940 | Box 143 \ 3 scan0187 | |
| Humorous newsletter, 'Mr. Pobottle's News Letter No. 19', discussing men's domestic lives during wartime. | 11th Apr 1940 | Box 143 \ 3 scan0188 | |
| Mr. Pobottle's satirical newsletter discussing the intricacies and supposed failings of International Law during wartime. | 25th Apr 1940 | Box 143 \ 3 scan0189 | |
| Article discussing the scientific technique of photographing invisible phenomena like sound waves and air currents. | 25th Apr 1940 | Box 143 \ 3 scan0190 | |
| Article on the use of X-ray photography for the quality control and inspection of metal castings. | 25th Apr 1940 | Box 143 \ 3 scan0191 | |
| Page illustrating schlieren and high-speed photography of sound waves, heat plumes, and projectiles. | 1st Apr 1940 | Box 143 \ 3 scan0192 | |
| Article on the principles of streak photography, alongside advertisements for Super Sport Dolly and Regular S.S. Dolly cameras. | 1st Apr 1940 | Box 143 \ 3 scan0193 | |
| Advertisement for a series of ten pocket-sized instructional text books. | 10th Apr 1940 | Box 143 \ 3 scan0194 | |
| Advertisement for the upcoming 3rd Anniversary issue of Popular Photography magazine, featuring the 1940 Directory of Photographic Equipment. | 10th Apr 1940 | Box 143 \ 3 scan0196 | |
| Requesting a pad of R.R. bus tickets as a boy was refused entry on the bus without one. | 16th Apr 1940 | Box 143 \ 3 scan0197 | |
| Confirming the dispatch of drawings listed in attached memos. | 16th Apr 1940 | Box 143 \ 3 scan0198 | |
| Staff member Mr. Walshe's absence due to hospital treatment for ankle trouble. | 17th Apr 1940 | Box 143 \ 3 scan0199 | |
| Letter to Mr. Robotham arranging a meeting in Derby. | 18th Apr 1920 | Box 143 \ 3 scan0200 | |
| Letter from The Institution of Automobile Engineers to W.A. Robotham regarding a suggested paper. | 19th Apr 1940 | Box 143 \ 3 scan0201 | |
| Complaining about faulty 'Bar-lock' typewriters and requesting a temporary replacement. | 19th Apr 1940 | Box 143 \ 3 scan0202 | |
| Budget summary for chassis development for 1938 and 1939, informing the 1940 budget. | 19th Apr 1940 | Box 143 \ 3 scan0203 | |
| 1940 budget allocation for experimental body and chassis development. | 12th Apr 1939 | Box 143 \ 3 scan0204 | |
| To officials, superintendents, and foremen regarding the deferment and release of employees from military service. | 19th Apr 1940 | Box 143 \ 3 scan0205 | |
| Internal stationery request for an Air Publication, draughtsman's scales, and adjustable set squares. | 19th Apr 1940 | Box 143 \ 3 scan0206 | |
| Letter from Peto & Radford to W.A. Robotham arranging a visit to the Derby Works. | 19th Apr 1940 | Box 143 \ 3 scan0207 | |
| Typed letter to G.R.N. Minchin regarding a potential lunch meeting and motor cars. | 22th Apr 1940 | Box 143 \ 3 scan0208 | |
| Invitation to a luncheon with the Directors at the Works. | 22th Apr 1940 | Box 143 \ 3 scan0209 | |
| Storage of experimental car blueprints for air raid protection. | 22th Apr 1940 | Box 143 \ 3 scan0210 | |
| Listing drawings issued and attached. | 22th Apr 1940 | Box 143 \ 3 scan0211 | |
| Brief typed message confirming a meeting time with Mr. Green. | 22th Apr 1940 | Box 143 \ 3 scan0212 | |
| Fitting shop waiting list detailing modifications and work to be done on various vehicles and chassis. | 23th Apr 1940 | Box 143 \ 3 scan0213 | |
| Announcing the release of Mr. R.H. Coverley to take up a position at the Rotol Airscrew Company. | 24th Apr 1940 | Box 143 \ 3 scan0214 | |
| Attached drawings and the ordering of part No.RF.893 Steering Cam from Adamant Co. | 24th Apr 1940 | Box 143 \ 3 scan0215 | |
| Procedures for internal and external correspondence. | 24th Apr 1940 | Box 143 \ 3 scan0216 | |
| Request to place a job advertisement for Junior Planning Engineers. | 25th Apr 1940 | Box 143 \ 3 scan0217 | |
| Confirming drawings are being sent, referencing previous attached memos. | 25th Apr 1940 | Box 143 \ 3 scan0218 | |
| Outlining new procedures for managing cars in the fitting shop to improve efficiency and establish an order of urgency. | 25th Apr 1940 | Box 143 \ 3 scan0219 | |
| Outlining procedures for testers and the Fitting Shop regarding modifications and work scheduling. | 25th Apr 1940 | Box 143 \ 3 scan0220 | |
| Fitting shop waiting list detailing nine separate jobs for various vehicles and components. | 26th Apr 1940 | Box 143 \ 3 scan0221 | |
| Storage of drawings for a rationalised range of motor cars. | 26th Apr 1940 | Box 143 \ 3 scan0222 | |
| Letter from Peto & Radford to W.A. Robotham arranging a meeting in Derby. | 26th Apr 1940 | Box 143 \ 3 scan0223 | |
| Suggesting new internal identifiers for two brothers to avoid correspondence confusion. | 27th Apr 1940 | Box 143 \ 3 scan0224 | |
| Letter to Mr. Green regarding office space for his staff and the provision of a drawing board. | 27th Apr 1940 | Box 143 \ 3 scan0225 | |
| The filing of blueprints and details for a range of experimental cars at the Ashby de la Zouche facility. | 26th Apr 1940 | Box 143 \ 3 scan0226 | |
| Outlining the procedure for ordering, forwarding, and filing parts and related schemes at Ashby. | 30th Apr 1940 | Box 143 \ 3 scan0227 | |
| Letter to the Institution of Automobile Engineers regarding the submission of a paper on oil filtration for publication. | 30th Apr 1940 | Box 143 \ 3 scan0228 | |
| The parts and decisions for rebuilding a full-size drawing board. | 30th Apr 1940 | Box 143 \ 3 scan0229 | |
| Set of instructions regarding the construction of vertical sections, steel joists, and runners, as well as office layout planning. | 30th Apr 1940 | Box 143 \ 3 scan0230 | |
| Alteration note for Bentley support angle battery fixing, increasing its length. | 30th Apr 1940 | Box 143 \ 3 scan0231 | |
| Letter to W.A. Robotham regarding a missed meeting and a discussion about motor cars. | 1st May 1940 | Box 143 \ 3 scan0232 | |
| Covering order for electronic components. | 1st May 1940 | Box 143 \ 3 scan0233 | |
| Confirming the issue and attachment of several drawings with their reference numbers and dates. | 1st May 1940 | Box 143 \ 3 scan0234 | |
| Listing drawings issued in April 1940. | 1st May 1940 | Box 143 \ 3 scan0235 | |
| Transmittal memo listing drawings and other memos issued between 22nd and 26th April 1940. | 1st May 1940 | Box 143 \ 3 scan0236 | |
| Telegram to the Royal Automobile Club at Newhaven Docks requesting notification of a car body's arrival from Dieppe. | 2nd May 1940 | Box 143 \ 3 scan0237 | |
| Letter from the Institution of Automobile Engineers regarding a proposed paper on Oil Filtration. | 2nd May 1940 | Box 143 \ 3 scan0238 | |
| From Rm/CTS to HPS confirming drawings have been issued with attached memos. | 3rd May 1940 | Box 143 \ 3 scan0239 | |
| Cover memo listing attached drawings issued in other memos. | 3rd May 1940 | Box 143 \ 3 scan0240 | |
| Confirming the dispatch of drawings listed in attached memos. | 3rd May 1940 | Box 143 \ 3 scan0241 | |
| Cover memo listing drawings issued in a series of other memos. | 6th May 1940 | Box 143 \ 3 scan0242 | |
| Arranging for the Subsistence Allowance in Duffield to be identical to that of Belper at 2/6d per day. | 2nd May 1940 | Box 143 \ 3 scan0243 | |
| Outlining the staff annual holiday arrangements for 1940. | 3rd May 1940 | Box 143 \ 3 scan0244 | |
| Confirming the dispatch of drawings listed in attached memos. | 6th May 1940 | Box 143 \ 3 scan0245 | |
| Request to obtain a licence for a Vauxhall 10 HP car. | 6th May 1940 | Box 143 \ 3 scan0246 | |
| Cover memo listing drawings issued in a series of attached memos. | 1st Jun 1940 | Box 143 \ 3 scan0247 | |
| Covering memo for drawings issued with another memo. | 7th May 1940 | Box 143 \ 3 scan0248 | |
| Outlining the correct procedure for submitting instructions for a new design to the Design Office. | 7th May 1940 | Box 143 \ 3 scan0249 | |
| Confirming the dispatch of drawings listed in attached memos. | 8th May 1940 | Box 143 \ 3 scan0250 | |
| Covering memo listing drawings attached, issued under separate memo references. | 8th May 1940 | Box 143 \ 3 scan0251 | |
| Cover memo for sending drawings issued in attached memos. | 9th May 1940 | Box 143 \ 3 scan0252 | |
| Letter from the Institution of Automobile Engineers accepting an offer for a paper on Cylinder Wear. | 9th May 1940 | Box 143 \ 3 scan0253 | |
| The cancellation of the Whitsun holidays for staff. | 10th May 1940 | Box 143 \ 3 scan0254 | |
| Working through the Whitsuntide holiday at the request of the Air Ministry. | 10th May 1940 | Box 143 \ 3 scan0255 | |
| Request for two Gas Mask Containers for two employees in the Experimental Department. | 10th May 1940 | Box 143 \ 3 scan0256 | |
| Use of Inspector's drivers for maintenance work and the availability of personnel. | 10th May 1940 | Box 143 \ 3 scan0257 | |
| Employee's absence from work due to illness. | 11th May 1940 | Box 143 \ 3 scan0258 | |
| Employee's absence from work due to illness. | 11th May 1940 | Box 143 \ 3 scan0259 | |
| Cover memo for sending drawings that were issued in other memos. | 11th May 1940 | Box 143 \ 3 scan0260 | |
| Confirming the sending of drawings referenced in another attached memo. | 11th May 1940 | Box 143 \ 3 scan0261 | |
| Confirming the dispatch of drawings. | 11th May 1940 | Box 143 \ 3 scan0262 | |
| Listing drawings issued and attached for internal distribution. | 13th May 1940 | Box 143 \ 3 scan0263 | |
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