| Description | Date | Identifier | |
| Letter from Dunlop Rubber Co. Ltd. regarding the supply and dispatch of tyres and wheels. | 28th Feb 1935 | Box 157 \ 1 scan0184 | |
| Inquiring whether the new '90' pattern Dunlop tyre is intended to replace the buttressed tread and MA.2 tyres. | 4th Mar 1935 | Box 157 \ 1 scan0185 | |
| Replacing the standard silent tread tyre with the 90' pattern, and the continued use of Buttressed tread tyres for specific cases. | 5th Mar 1935 | Box 157 \ 1 scan0186 | |
| Letter to the Dunlop Rim & Wheel Co. Ltd. requesting drawings and weight information for specific Extra Low Pressure Tyres and wheels. | 14th Mar 1935 | Box 157 \ 1 scan0187 | |
| Order of 5 wheels from the Dunlop Wheel Co. for a Bentley hub. | 14th Mar 1935 | Box 157 \ 1 scan0188 | |
| Letter from Dunlop Rim & Wheel Co. Ltd. regarding a request for extra low-pressure tyre and wheel equipment for Bentley models. | 15th Mar 1935 | Box 157 \ 1 scan0189 | |
| Letter to Dunlop Rubber Co. Ltd. regarding a drawing of an experimental front axle and tyres. | 15th Mar 1935 | Box 157 \ 1 scan0190 | |
| Letter from Dunlop Rubber Co., Ltd. regarding tyre specifications, load capacities, and wheel compatibility. | 18th Mar 1935 | Box 157 \ 1 scan0191 | |
| Car weight savings achievable by changing wheel and tyre sizes, comparing with American practices. | 19th Mar 1935 | Box 157 \ 1 scan0192 | |
| Comparative table of wheel and tyre weights, and ground clearance for various car models. | 14th Mar 1935 | Box 157 \ 1 scan0193 | |
| Table comparing wheel and tyre weights in pounds for various car models and tyre sizes. | 19th Mar 1935 | Box 157 \ 1 scan0194 | |
| Letter from Dunlop Rubber Co. Ltd. regarding wheel and tyre specifications, layouts, and suitability for a 3½ litre model. | 20th Mar 1935 | Box 157 \ 1 scan0195 | |
| Request to superimpose drawings of smaller wheels onto Bentley axle drawings to check for potential fouling. | 21th Mar 1935 | Box 157 \ 1 scan0196 | |
| Letter to The Dunlop Rubber Co. Ltd. regarding the weight of their 16' wheel and tyre equipment. | 21th Mar 1935 | Box 157 \ 1 scan0197 | |
| Letter from Dunlop Rubber Co. regarding Terraplane and Bentley wheel and hub weights. | 29th Mar 1935 | Box 157 \ 1 scan0198 | |
| Letter from Dunlop Rubber Co. Ltd. regarding an invoice for a cover sample. | 4th Apr 1935 | Box 157 \ 1 scan0199 | |
| Invoice and delivery query for a Dunlop Fort Cover. | 5th Apr 1935 | Box 157 \ 1 scan0200 | |
| Request to order Bentley wheels from Dunlop and Aero Cushion tyres from the India Tyre Co. | 8th Apr 1935 | Box 157 \ 1 scan0201 | |
| The return of a loaned Dunlop tyre cover. | 9th Apr 1935 | Box 157 \ 1 scan0202 | |
| Blueprint of a Dunlop Type 72 V E.L.P. wire wheel. | 15th May 1935 | Box 157 \ 1 scan0203 | |
| Technical drawing of a Dunlop Type 72 V E.L.P. wire wheel. | 16th Aug 1935 | Box 157 \ 1 scan0204 | |
| Cause of tyre noise on Spectre cars. | 10th May 1935 | Box 157 \ 1 scan0205 | |
| Order for Dunlop Fort '90' covers and tubes. | 6th Jun 1935 | Box 157 \ 1 scan0206 | |
| Order for Dunlop Fort Modified '90' pattern covers and tubes for a 25 HP chassis. | 15th Jun 1935 | Box 157 \ 1 scan0207 | |
| Invoice from the Dunlop Rubber Co. Ltd. for a Fort Cover. | 17th Jun 1935 | Box 157 \ 1 scan0208 | |
| Official order be passed to the Dunlop Rubber Co. Ltd. for a Fort Cover tyre. | 19th Jun 1935 | Box 157 \ 1 scan0209 | |
| Urgent internal order for Dunlop tyres for Spectre cars. | 3rd Jul 1935 | Box 157 \ 1 scan0210 | |
| Letter from Dunlop discussing comparative tyre tests and recommended pressures for a Bentley chassis. | 8th Jul 1935 | Box 157 \ 1 scan0211 | |
| Letter from Dunlop Rubber Co. Ltd. discussing tyre equipment for E.R. Hall's Bentley for the T.T. Race. | 10th Jul 1935 | Box 157 \ 1 scan0212 | |
| Concluding page of a letter from Dunlop Rubber Co. Ltd. to Messrs. Rolls Royce Ltd. | 10th Jul 1935 | Box 157 \ 1 scan0213 | |
| Test report on India Aero Cushion Tyres 6.00 x 16. | 10th Jul 1935 | Box 157 \ 1 scan0214 | |
| Letter to Dunlop Rubber Co. Ltd. discussing concerns with recommended tyres for Hall's car, their weight, and performance. | 11th Jul 1935 | Box 157 \ 1 scan0215 | |
| Viability of testing new tyres based on their expected lifespan. | 11th Jul 1935 | Box 157 \ 1 scan0216 | |
| Letter from Dunlop Rubber Co. Ltd. discussing tyre endurance for racing and an order for wheels. | 12th Jul 1935 | Box 157 \ 1 scan0217 | |
| Letter to Dunlop Rubber Co. Ltd. discussing tyre life and comparative rates of wear for a race car. | 13th Jul 1935 | Box 157 \ 1 scan0218 | |
| Tyre noise issues on the Spectre model, comparing Dunlop and India tyres. | 1st Oct 1935 | Box 157 \ 1 scan0219 | |
| Letter from Dunlop Rubber Co. Ltd. regarding the testing of supplied tyres and arranging for comparative tests. | 3rd Oct 1935 | Box 157 \ 1 scan0220 | |
| Tyre noise issues on the Phantom III model and the need to test alternative tyre options. | 7th Oct 1935 | Box 157 \ 1 scan0221 | |
| Experiments to reduce tyre noise on a Phantom III. | 16th Oct 1935 | Box 157 \ 1 scan0222 | |
| Wheel and tyre noise testing on a Phantom III, comparing different setups with a Cadillac. | 16th Oct 1935 | Box 157 \ 1 scan0223 | |
| Altering wheel design to accommodate various tyre makes and treads for optimal silence and performance. | 17th Oct 1935 | Box 157 \ 1 scan0224 | |
| Tyre noise on the Phantom III, comparing it with a Cadillac and considering dropping wire wheels as a solution. | 17th Oct 1935 | Box 157 \ 1 scan0225 | |
| Intensive work on tyre noise for the Phantom III in conjunction with Dunlop Rubber Co. | 19th Oct 1935 | Box 157 \ 1 scan0226 | |
| Arranging the transport of used Dunlop and Firestone tyres from car 34-EX for use on experimental cars. | 19th Oct 1935 | Box 157 \ 1 scan0227 | |
| Adaptors for Dunlop wheels in relation to tyre noise experiments. | 24th Oct 1935 | Box 157 \ 1 scan0228 | |
| Order for Dunlop and Avon tyre covers and tubes. | 30th Oct 1935 | Box 157 \ 1 scan0229 | |
| Investigation into objectionable tyre noise on the Phantom III car. | 30th Oct 1935 | Box 157 \ 1 scan0230 | |
| Tyre noise characteristics, wear patterns, and comparisons between different wheel and tyre setups. | 30th Oct 1935 | Box 157 \ 1 scan0231 | |
| Summary of test results showing factors affecting tyre noise. | 30th Oct 1935 | Box 157 \ 1 scan0232 | |
| List of vehicle modifications that do not appear to affect tyre noise. | 30th Oct 1935 | Box 157 \ 1 scan0233 | |
| Tyre noise investigations on a Phantom III car, involving tests on iron drums and collaboration with Dunlop. | 30th Oct 1935 | Box 157 \ 1 scan0234 | |
| Requesting payment authorisation for Dunlop invoices for Fort Covers and Tubes. | 1st Nov 1935 | Box 157 \ 1 scan0235 | |
| Requesting an official order for tyre covers and tubes from The Dunlop Rubber Co. Ltd. | 5th Nov 1935 | Box 157 \ 1 scan0236 | |
| Tyre tests, noise amplification, and development plans for experimental cars 34-EX and 33-EX. | 6th Nov 1935 | Box 157 \ 1 scan0237 | |
| Application of modified, quieter tyre designs to the 20/25 chassis. | 13th Nov 1935 | Box 157 \ 1 scan0238 | |
| Letter from Dunlop Rubber Co. Ltd. proposing a talk on tyre design to eliminate noise. | 14th Nov 1935 | Box 157 \ 1 scan0239 | |
| Supply of experimental tyres from Dunlop for Spectre and 20/25 models. | 18th Nov 1935 | Box 157 \ 1 scan0240 | |
| Tyre noise experiments for the Phantom III and 20/25 models, and collaboration with the Dunlop Co. | 18th Nov 1935 | Box 157 \ 1 scan0241 | |
| Letter to Dunlop Rubber Co. Ltd. regarding tyre noise testing for the Phantom III and 20/25 models. | 18th Nov 1935 | Box 157 \ 1 scan0242 | |
| Invoice from Goodyear Tyre & Rubber Co. for two covers and two tubes. | 19th Nov 1935 | Box 157 \ 1 scan0243 | |
| Internal correspondence regarding testing Dunlop tyres for noise on the 20/25 HP model. | 20th Nov 1935 | Box 157 \ 1 scan0244 | |
| Letter from Dunlop Rubber Co. Ltd. concerning a tyre order and warning about their rapid wear. | 21th Nov 1935 | Box 157 \ 1 scan0245 | |
| Request to book in Goodyear covers and tubes against a purchase order obtained from Lillie Hall. | 22th Nov 1935 | Box 157 \ 1 scan0246 | |
| Complaint about noisy Dunlop tyres on the Phantom III and the subsequent investigation. | 22th Nov 1935 | Box 157 \ 1 scan0247 | |
| Letter from Dunlop Rubber Co. confirming the dispatch details for sets of tyres. | 22th Nov 1935 | Box 157 \ 1 scan0248 | |
| Trade-off between tyre noise from Dunlop, rubber spring shackles, and vehicle stability. | 25th Nov 1935 | Box 157 \ 1 scan0249 | |
| Investigations into Dunlop tyres and the development of a double shackle. | 26th Nov 1935 | Box 157 \ 1 scan0250 | |
| Letter to Dunlop Rubber Co. Ltd. requesting the dispatch of tyres to Major Cox. | 28th Nov 1935 | Box 157 \ 1 scan0251 | |
| Letter from Dunlop Rubber Co., Ltd. confirming the dispatch of six 6.00-19 tyres. | 29th Nov 1935 | Box 157 \ 1 scan0252 | |
| Brief typed memo requesting an update regarding tyre noises on the 20/25 HP model. | 29th Nov 1935 | Box 157 \ 1 scan0253 | |
| Note regarding tyre noise on the 20/25 HP model. | 3rd Dec 1935 | Box 157 \ 1 scan0254 | |
| Inquiry to Dunlop regarding new tyre ideas to help with 'groan' difficulties and chassis noise. | 6th Dec 1935 | Box 157 \ 1 scan0255 | |
| Ordering, fitting, and distribution of Goodrich, Firestone, and Avon tyres for chassis 34-EX and 35-EX. | 9th Dec 1935 | Box 157 \ 1 scan0256 | |
| Request for the description of an improved tyre tread pattern to order more for demonstration cars. | 10th Dec 1935 | Box 157 \ 1 scan0257 | |
| Sending tyres to the Test Department for use on a Phantom III testing chassis and asking for an enquiry into their value. | 11th Dec 1935 | Box 157 \ 1 scan0258 | |
| List of tyres and tubes sent to the Test Department, detailing quantities, sizes, makes, and their assessed value. | 11th Dec 1935 | Box 157 \ 1 scan0259 | |
| Letter from Dunlop discussing the performance of a tested tyre and suggesting an alternative. | 11th Dec 1935 | Box 157 \ 1 scan0260 | |
| Advertisement for 'The Greatest White' streamlined trucks, styled by Alexis de Sakhnoffsky. | 12th Dec 1935 | Box 157 \ 1 scan0262 | |
| Order of 9 special tyres from Dunlop Rubber Co. to reduce groan on a 20/25 HP model. | 12th Dec 1935 | Box 157 \ 1 scan0263 | |
| Letter to Dunlop Rubber Co. Ltd. regarding tyre development, testing, and supply. | 12th Dec 1935 | Box 157 \ 1 scan0264 | |
| Clarifying an order for extra Dunlop tyres for a 20/25 HP car. | 13th Dec 1935 | Box 157 \ 1 scan0265 | |
| Letter from Dunlop Rubber Co. Ltd. regarding the despatch and marking of nine tyres. | 16th Dec 1935 | Box 157 \ 1 scan0266 | |
| Order for a new type of tyre ('90-R') for the 20/25 HP model. | 19th Dec 1935 | Box 157 \ 1 scan0267 | |
| Urgent request to chase the delivery of 9 silent Dunlop tyres for 20/25 Trials Cars. | 20th Dec 1935 | Box 157 \ 1 scan0268 | |
| Phantom III body mounting, rubber thickness, and tyre noise. | 31th Dec 1935 | Box 157 \ 1 scan0269 | |
| Investigations into reducing tyre noise on the Phantom III model. | 6th Jan 1936 | Box 157 \ 1 scan0270 | |
| Experiments to reduce car noise by mounting the body on rubber to isolate it from the frame. | 6th Jan 1936 | Box 157 \ 1 scan0271 | |
| Front tyre wear on the 31-EX model and recommendations for the proposed Wraith. | 13th Jan 1936 | Box 157 \ 1 scan0272 | |
| Urgent internal order request for Dunlop Fort Tyres. | 27th Jan 1936 | Box 157 \ 1 scan0273 | |
| Urgent internal order request for Dunlop Fort Tyres. | 31th Jan 1936 | Box 157 \ 1 scan0274 | |
| Confirming that four tyres and tubes can be added to Order No. 10126. | 17th Mar 1936 | Box 157 \ 1 scan0275 | |
| Invoice from Dunlop Rubber Co. for covers and tubes supplied without an official order. | 14th Mar 1936 | Box 157 \ 1 scan0276 | |
| Letter from Dunlop Rubber Co. Ltd. explaining an invoice related to an order for four experimental wheels. | 12th Mar 1936 | Box 157 \ 1 scan0277 | |
| Urgent request to send a rim fitted with a tyre to Dunlops in Birmingham for deflection curve testing. | 17th Mar 1936 | Box 157 \ 1 scan0278 | |
| Costs and invoices for Dunlop tyre covers used in experiments for tyre noise elimination. | 19th Mar 1936 | Box 157 \ 1 scan0279 | |
| Requesting an official order be passed to Dunlop for covers supplied for experiments on tyre noise elimination. | 23th Mar 1936 | Box 157 \ 1 scan0280 | |
| Letter to Dunlop Ltd. requesting data on the cornering power of various tyres. | 27th Mar 1936 | Box 157 \ 1 scan0281 | |
| Request to order two 18 x 5 wheels from Dunlops, to be fitted with balance weights and tyres. | 30th Mar 1936 | Box 157 \ 1 scan0282 | |
| Letter to Dunlop Rubber Co. requesting deflection test figures for a returned 18 x 5 rim and tyre. | 30th Mar 1936 | Box 157 \ 1 scan0283 | |
| Letter from Dunlop Rubber Co. Ltd. regarding experiments and data on optimum power. | 30th Mar 1936 | Box 157 \ 1 scan0284 | |
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