| Description | Date | Identifier | |
| Letter from Dunlop Rubber Co. confirming receipt of an adaptor for splining and promising a future update on price and delivery. | 20th Sep 1938 | Box 157 \ 2 scan0300 | |
| Letter from Dunlop Rubber Co. confirming the dispatch of four special test tyres. | 22th Sep 1938 | Box 157 \ 2 scan0301 | |
| Telex message declining an invitation to the Brooklands races. | 23th Sep 1938 | Box 157 \ 2 scan0302 | |
| Letter from Dunlop Rubber Co., Ltd. to W.A. Robotham regarding a meeting at Brooklands. | 23th Sep 1938 | Box 157 \ 2 scan0303 | |
| Letter from Dunlop Rubber Co. regarding the delivery of moulds and sample availability for 7.00-17 Fort 'C' Type Covers. | 29th Sep 1938 | Box 157 \ 2 scan0304 | |
| Letter to Dunlop Rubber Co. Ltd. regarding the ordering of tyres and querying tyre pressures. | 30th Sep 1938 | Box 157 \ 2 scan0305 | |
| Invoices from Dunlop Rubber Co. Ltd for tyres and tubes and seeking approval for payment. | 3rd Oct 1938 | Box 157 \ 2 scan0306 | |
| Letter from Dunlop about the availability and cushioning properties of 7.00-17 Fort 'C' type tyres. | 3rd Oct 1938 | Box 157 \ 2 scan0307 | |
| The allocation of items and an order for extra Dunlops covers and tubes. | 7th Oct 1938 | Box 157 \ 2 scan0308 | |
| Letter to Dunlop Rubber Co. Ltd. discussing tyre rolling resistance and requesting further high-speed testing up to 100 m.p.h. | 6th Oct 1938 | Box 157 \ 2 scan0309 | |
| Letter to Dunlop Rubber Co. Ltd. about testing noisy tyres on a Wraith model and requesting further samples. | 6th Oct 1938 | Box 157 \ 2 scan0310 | |
| Letter from Dunlop Rubber Co. discussing tyre pressure specifications and the production of new tyre types. | 7th Oct 1938 | Box 157 \ 2 scan0311 | |
| Letter from Dunlop Rubber Co., Ltd. acknowledging a previous letter and stating the matter is being investigated by their Test House. | 7th Oct 1938 | Box 157 \ 2 scan0312 | |
| Letter from Dunlop Rubber Co., Ltd. regarding a production delay of Fort 'C' type covers. | 7th Oct 1938 | Box 157 \ 2 scan0313 | |
| Letter from Dunlop Rubber Co., Ltd. confirming the dispatch of Fort 'C' type tyres and receipt of a new order. | 13th Oct 1938 | Box 157 \ 2 scan0314 | |
| Order of Dunlop Fort Silent covers and tubes for experimental use. | 14th Oct 1938 | Box 157 \ 2 scan0315 | |
| Letter from Dunlop Rubber Co., Ltd. regarding the limitations of their Highfield dynamometer for high-speed tyre testing. | 17th Oct 1938 | Box 157 \ 2 scan0316 | |
| Letter from Dunlop regarding the branding of 7.00-17 Fort 'C' type tyres with 'YR' instead of '4-ply'. | 20th Oct 1938 | Box 157 \ 2 scan0317 | |
| Letter from Dunlop Rubber Co. to confirm a meeting appointment. | 26th Oct 1938 | Box 157 \ 2 scan0318 | |
| Invoice from The Dunlop Rubber Co. for Dunlop Fort Covers. | 26th Oct 1938 | Box 157 \ 2 scan0319 | |
| Letter from Dunlop Rubber Co. discussing high-speed tyre 'puckering' and enclosing a test photograph from 1926. | 28th Oct 1938 | Box 157 \ 2 scan0320 | |
| Letter to Dunlop Rubber Co. Ltd. discussing a photograph of tyre vibration at 120 mph. | 31th Oct 1938 | Box 157 \ 2 scan0321 | |
| Requesting an order to be issued for tyres received from the Dunlop Co. | 31th Oct 1938 | Box 157 \ 2 scan0322 | |
| Letter to The Dunlop Rubber Co. Ltd. confirming receipt of tyres from an order. | 2nd Nov 1938 | Box 157 \ 2 scan0323 | |
| Letter from Dunlop Rubber Co. Ltd. regarding an issue with fulfilling an order for four Fort '90' pattern tyres. | 3rd Nov 1938 | Box 157 \ 2 scan0324 | |
| Letter to Dunlop Rubber Co. Ltd. clarifying a misunderstanding about the pattern of tyres supplied for steering tests. | 4th Nov 1938 | Box 157 \ 2 scan0325 | |
| Letter from Dunlop Rubber Co., Ltd. clarifying an order for four special experimental tyres. | 5th Nov 1938 | Box 157 \ 2 scan0326 | |
| Letter from Dunlop Rubber Co. regarding the unavailability of old '90' pattern tyres for testing. | 8th Nov 1938 | Box 157 \ 2 scan0327 | |
| Letter to Dunlop Rubber Co. Ltd. regarding an investigation into tyre inflation for wheel discs. | 28th Nov 1938 | Box 157 \ 2 scan0328 | |
| Letter from Dunlop regarding the progress of investigations into a modified valve arrangement for covering discs. | 29th Nov 1938 | Box 157 \ 2 scan0329 | |
| Covering order for six new tyres to be sent to the Paris Depot. | 3rd Dec 1938 | Box 157 \ 2 scan0330 | |
| Letter from Dunlop Rubber Co. Ltd. confirming the despatch of new pattern tyres and tubes to the Paris Depot for testing. | 6th Dec 1938 | Box 157 \ 2 scan0331 | |
| Letter from Dunlop Rubber Co., Ltd. requesting feedback on supplied special angle tyres and wheels. | 19th Dec 1938 | Box 157 \ 2 scan0332 | |
| Letter to Dunlop Rubber Co. regarding a delay in tyre testing due to adverse weather conditions making the skidpan unusable. | 21th Dec 1938 | Box 157 \ 2 scan0333 | |
| Requesting information on the maximum axle loads for tyre sizes used on all chassis. | 28th Dec 1938 | Box 157 \ 2 scan0334 | |
| Letter to Dunlop Ltd. requesting racing covers and tubes for high-speed track work. | 28th Dec 1938 | Box 157 \ 2 scan0335 | |
| Letter to Dunlop Rubber Co. Ltd. regarding an order for inner tubes with aero valves. | 29th Dec 1938 | Box 157 \ 2 scan0336 | |
| Letter from Dunlop Rubber Co. confirming the dispatch of racing tyres and tubes for testing. | 29th Dec 1938 | Box 157 \ 2 scan0337 | |
| Letter from Dunlop Rubber Co. confirming a tyre order and advising of a substitution for a specific tyre type. | 29th Dec 1938 | Box 157 \ 2 scan0338 | |
| Safe loads for various tyre sizes according to the Dunlop chart. | 30th Dec 1938 | Box 157 \ 2 scan0339 | |
| Letter to Dunlop Rubber Co. Ltd. regarding an arrangement drawing for a new 6.50 x 16 tyre valve. | 30th Dec 1938 | Box 157 \ 2 scan0340 | |
| Confirming the order and receipt of various road racing tyres and tubes from Dunlop. | 2nd Jan 1939 | Box 157 \ 3 scan0001 | |
| Letter from the Experimental Department to Dunlops Ltd. requesting tyre covers and tubing. | 2nd Jan 1938 | Box 157 \ 3 scan0002 | |
| Letter from Dunlop regarding the unsuitability of an Aero valve no. 7066 for road use on a 6.50-16 tyre and wheel arrangement. | 3rd Jan 1939 | Box 157 \ 3 scan0003 | |
| Letter from Dunlop Rubber Co. Ltd. confirming an order for tyres and clarifying the specifications. | 5th Jan 1939 | Box 157 \ 3 scan0004 | |
| To Mr. Alvey regarding a slip from Messrs. Dunlops for experimental tyres. | 7th Jan 1939 | Box 157 \ 3 scan0005 | |
| Letter from Dunlop regarding the return and analysis of 6.50-16 4 ply tyre covers. | 10th Jan 1939 | Box 157 \ 3 scan0006 | |
| Letter from Dunlop Rubber Co., Ltd. concerning the urgent dispatch of racing tyres and tubes to Paris. | 17th Jan 1939 | Box 157 \ 3 scan0007 | |
| The second page of a letter from Dunlop Rubber Company Limited. | 18th Jan 1939 | Box 157 \ 3 scan0008 | |
| Letter to Dunlop Rubber Co.Ltd. requesting different types of racing tyres for power loss testing. | 18th Jan 1939 | Box 157 \ 3 scan0009 | |
| Requesting a covering order for road racing covers and tubes from Dunlop for the Paris Depot. | 18th Jan 1939 | Box 157 \ 3 scan0010 | |
| Confidential letter from Dunlop Rubber Co. regarding tyres for a high-speed test. | 19th Jan 1939 | Box 157 \ 3 scan0011 | |
| Letter to Dunlop Rubber Co. about unusual eccentric tyre wear on a test car. | 24th Jan 1939 | Box 157 \ 3 scan0012 | |
| Letter from Dunlop Rubber Co. Ltd. regarding the power loss characteristics of racing versus normal tyres and arranging to supply samples for dynamometer testing. | 26th Jan 1939 | Box 157 \ 3 scan0013 | |
| Letter from Dunlop Rubber Co., Ltd. discussing the construction, power loss, and availability of racing tyres compared to standard tyres. | 26th Jan 1939 | Box 157 \ 3 scan0014 | |
| Letter from Dunlop Rubber Co., Ltd. regarding the supply of 6.50-16 tyres for comparison. | 26th Jan 1939 | Box 157 \ 3 scan0015 | |
| Letter from Dunlop Rubber Co. concerning unusual tyre tread wear and out of balance factors. | 26th Jan 1939 | Box 157 \ 3 scan0016 | |
| Letter from Dunlop Rubber Co. Ltd. confirming the dispatch of tyres and tubes to Paris. | 2nd Feb 1939 | Box 157 \ 3 scan0017 | |
| Letter from Dunlop regarding the supply of two types of tyres for power consumption tests. | 9th Feb 1939 | Box 157 \ 3 scan0018 | |
| Letter from Dunlop enquiring about the status of tyre testing on a Bentley chassis in France. | 10th Feb 1939 | Box 157 \ 3 scan0019 | |
| Order for 5 Dunlop Fort 7 x 16 tyre covers. | 10th Feb 1939 | Box 157 \ 3 scan0020 | |
| Request to order specific quantities and types of India Super and Dunlop Super tyre covers. | 13th Feb 1939 | Box 157 \ 3 scan0021 | |
| Letter from Dunlop Rubber Co. Ltd. inquiring about tests on special equipment and wheels. | 14th Feb 1939 | Box 157 \ 3 scan0022 | |
| Letter to The Dunlop Rubber Co. Ltd. regarding the inability to test certain tyres due to a waterlogged skid pan and the abandonment of other wheel and tyre combinations for the Wraith chassis. | 15th Feb 1939 | Box 157 \ 3 scan0023 | |
| Official order to be placed with Dunlop Rubber Co. Ltd. for road racing covers. | 20th Feb 1939 | Box 157 \ 3 scan0024 | |
| Letter to Dunlop Rubber Co. Ltd. requesting a pair of track tyres for dynamometer power curve testing. | 21th Feb 1939 | Box 157 \ 3 scan0025 | |
| Letter from Dunlop Rubber Co., Ltd. regarding the supply of tyres, power consumption test procedures, and a proposed visit for further discussion. | 22th Feb 1939 | Box 157 \ 3 scan0026 | |
| Methodology for power consumption tests on tyres using a Highfield Dynamometer. | 2nd Feb 1939 | Box 157 \ 3 scan0027 | |
| Procedure for measuring power consumption and calculating the energy losses in a tyre. | 25th Feb 1939 | Box 157 \ 3 scan0028 | |
| Order for 50 Dunlop Rubber bands for 16 inch rims. | 25th Feb 1939 | Box 157 \ 3 scan0029 | |
| Requesting an order for Dunlop and India tyres. | 13th Mar 1939 | Box 157 \ 3 scan0030 | |
| Letter from Dunlop Rubber Co. Ltd. regarding an updated tyre dimension data card. | 14th Mar 1939 | Box 157 \ 3 scan0031 | |
| Letter from Dunlop Rubber Co. Ltd. regarding the return of six standard tyres for inspection. | 14th Mar 1939 | Box 157 \ 3 scan0032 | |
| Letter to Dunlop Rubber Co. Ltd. arranging a meeting regarding tyres returning from France. | 15th Mar 1939 | Box 157 \ 3 scan0033 | |
| Invoice from Dunlop Rubber Co. Ltd. for tyre covers, requesting an official order be issued for payment. | 23th Mar 1939 | Box 157 \ 3 scan0034 | |
| Official order to be sent to Dunlop Rubber Co. Ltd. for two tyre covers. | 24th Mar 1939 | Box 157 \ 3 scan0035 | |
| Payment request for four Dunlop Road Racing tyres and tubes fitted to a Paulin Bentley II at Brooklands. | 27th Mar 1939 | Box 157 \ 3 scan0036 | |
| Order for 12 Dunlop Fort type 6.50 x 17 covers. | 30th Mar 1939 | Box 157 \ 3 scan0037 | |
| Order for two Dunlop Fort tyre covers. | 4th Apr 1939 | Box 157 \ 3 scan0038 | |
| Product design blueprint for a Dunlop 7.50-16 ELP tyre on a 6.50 rim, with dimensions and weight specifications. | 18th Nov 1938 | Box 157 \ 3 scan0039 | |
| Blueprint showing the approximate shape and specifications of a Dunlop 6.50-17 inflated tyre. | 13th Apr 1939 | Box 157 \ 3 scan0040 | |
| Product design sketch of a Dunlop 9.0-16 Stabilia tyre's approximate inflated shape. | 13th Apr 1939 | Box 157 \ 3 scan0041 | |
| Request to Dunlop to manufacture specific tyres for testing and an agreement to supply steel wheels. | 14th Apr 1939 | Box 157 \ 3 scan0042 | |
| Request to Dunlop Rubber Co. Ltd. for more track racing covers and inner tubes for testing at Brooklands. | 18th Apr 1939 | Box 157 \ 3 scan0043 | |
| Covering order for track racing covers and inner tubes from Dunlop Rubber Co. Ltd. | 18th Apr 1939 | Box 157 \ 3 scan0044 | |
| Order for 12 Dunlop 6.50 x 17 tyre covers. | 19th Apr 1939 | Box 157 \ 3 scan0045 | |
| Letter from Dunlop Rubber Co. regarding the supply of special Track Racing tyres and tubes for testing. | 20th Apr 1939 | Box 157 \ 3 scan0046 | |
| Letter to Dunlop Rubber Co. Ltd. concerning the delivery of 6.50 x 16 track racing tyres. | 21th Apr 1939 | Box 157 \ 3 scan0047 | |
| Request to dispatch four used Dunlop tyres to the Dunlop Rubber Company in Birmingham. | 1st May 1939 | Box 157 \ 3 scan0048 | |
| Letter to Dunlop detailing the return of four special ply tyre covers after testing in France. | 2nd May 1939 | Box 157 \ 3 scan0049 | |
| Letter from Dunlop Rubber Co. Ltd. confirming the return of four special tyres for examination after tests in France. | 3rd May 1939 | Box 157 \ 3 scan0050 | |
| Letter to Dunlop Rubber Co. Ltd. requesting a set of 7.50 x 16 tyres for testing. | 9th May 1939 | Box 157 \ 3 scan0051 | |
| Letter from Dunlop Rubber Co. Ltd. regarding tyre specifications and dispatch. | 10th May 1939 | Box 157 \ 3 scan0052 | |
| Letter from Dunlop Rubber Co. Ltd. concerning tyre power consumption tests. | 11th May 1939 | Box 157 \ 3 scan0053 | |
| Letter to Dunlop Rubber Co. Ltd. regarding the decision not to divulge tyre power consumption test results. | 12th May 1939 | Box 157 \ 3 scan0054 | |
| Requesting an official order for Bentley Road Racing tyres obtained at Brooklands. | 18th May 1939 | Box 157 \ 3 scan0055 | |
| Letter from Dunlop regarding the condition of 4.50-16 4-ply tyre covers after testing on a Bentley in France. | 19th May 1939 | Box 157 \ 3 scan0056 | |
| Internal request to order 6 Dunlop Fort 7 x 16 covers and tubes. | 23th May 1939 | Box 157 \ 3 scan0057 | |
| Letter from Dunlop Rubber Co., Ltd. regarding tyre drawings, dimensions, and deflection tests. | 24th May 1939 | Box 157 \ 3 scan0058 | |
| Drawing showing the cross-section shape and dimensions for a 7.00-16 Dunlop Fort E.L.P. tyre. | 7th Aug 1949 | Box 157 \ 3 scan0059 | |
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