| Description | Date | Identifier | |
| Blueprint chart recording the vertical wheel movement of a Packard's near-side front tyre under various road and test conditions. | 21th Apr 1938 | Box 159 \ 7 scan0200 | |
| Proposed wheel and tyre specifications for second Bentley III and first Bentley 50 chassis. | 21th Apr 1938 | Box 159 \ 7 scan0201 | |
| Charge from Airways & General Transports Ltd. for customs and freight on wheels and tyres from Paris. | 29th Apr 1938 | Box 159 \ 7 scan0202 | |
| Booking of a charge from Airways & General Transports Ltd. | 29th Apr 1938 | Box 159 \ 7 scan0203 | |
| Request to send a covering order for a Talbot wheel disc assembly. | 11th May 1938 | Box 159 \ 7 scan0204 | |
| The supply of Wraith bumper bars and wheel covers from Wilmot-Breeden Ltd. | 16th May 1938 | Box 159 \ 7 scan0205 | |
| Pressed steel road wheels for Bentley models 111 and 50. | 26th May 1938 | Box 159 \ 7 scan0206 | |
| Comparative cost analysis of B.III and B.50 road wheels from suppliers Sankey & Sons Ltd. and Dunlops. | 1st Sep 1938 | Box 159 \ 7 scan0207 | |
| Potential order for B.III frames from Sankeys, comparing them to another supplier, Briggs. | 1st Sep 1938 | Box 159 \ 7 scan0208 | |
| Outlining objections to the designed steel wheels for models 8-B-5, B.3, and B.50, suggesting a move to a complete disc wheel. | 8th Sep 1938 | Box 159 \ 7 scan0209 | |
| Design proposals and criticisms for steel wheels. | 13th Sep 1938 | Box 159 \ 7 scan0210 | |
| Inquiry to Rubery, Owen & Co. about supplying a Talbot 4-litre wheel for experiments on pressed steel wheels. | 15th Oct 1938 | Box 159 \ 7 scan0211 | |
| Holding letter from Rubery, Owen & Co Ltd acknowledging a letter and advising of a delayed response. | 17th Oct 1938 | Box 159 \ 7 scan0212 | |
| Letter from Rubery, Owen & Co., Ltd. to Mr. Grylls about sending a wheel following the Motor Show. | 19th Oct 1938 | Box 159 \ 7 scan0213 | |
| Letter from Rubery, Owen & Co., Ltd. confirming the dispatch of a 'Sunbeam-Talbot' 400 x 16 Wheel & Cover. | 21th Oct 1938 | Box 159 \ 7 scan0214 | |
| Official order be sent to the British Tyre & Rubber Co. Ltd for fitting rubber strips to 2 discs. | 22th Oct 1938 | Box 159 \ 7 scan0215 | |
| Letter to Rubery, Owen & Co. Ltd. regarding the potential purchase of a Talbot wheel for reference to design a new wheel. | 26th Oct 1938 | Box 159 \ 7 scan0216 | |
| Letter from Rubery, Owen & Co., Ltd. to S. H. Grylls concerning a wheel sample and its potential manufacture from stainless steel. | 28th Oct 1938 | Box 159 \ 7 scan0217 | |
| Rolling resistance of wheels, including a formula used by General Motors. | 31th Oct 1938 | Box 159 \ 7 scan0218 | |
| Painting, costs, and design considerations for various wheel and disc options. | 6th Dec 1938 | Box 159 \ 7 scan0219 | |
| Request to return a wheel bearing to The Hoffmann Manufacturing Co. Ltd. for examination. | 13th Mar 1939 | Box 159 \ 7 scan0220 | |
| Letter to The Hoffmann Manufacturing Co. Ltd. regarding the examination of a failed wheel bearing. | 13th Mar 1939 | Box 159 \ 7 scan0221 | |
| Letter from Hoffmann Manufacturing regarding a failure analysis of a bearing. | 18th Mar 1939 | Box 159 \ 7 scan0222 | |
| Letter to The Hoffmann Manufacturing Co. regarding failed bearings and a request for special M.S.13g bearings. | 22th Mar 1939 | Box 159 \ 7 scan0223 | |
| Requesting a covering order for special bearings from Hoffmann Manufacturing Co. Ltd. | 23th Mar 1939 | Box 159 \ 7 scan0224 | |
| Confirming the cost for two special M.S.13½ bearings from Hoffmann Mfg. Co. Ltd. | 30th Mar 1939 | Box 159 \ 7 scan0225 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. confirming an order for two special ball bearings with a quoted delivery date. | 29th Mar 1939 | Box 159 \ 7 scan0226 | |
| Letter to Joseph Sankey & Sons Ltd regarding experimental fitting and finishing of wheel discs. | 21th Apr 1939 | Box 159 \ 7 scan0227 | |
| Request to send two discs to Messrs. Joseph Sankey & Sons Ltd. for attention by Mr. HP Sharpe. | 21th Apr 1939 | Box 159 \ 7 scan0228 | |
| Steel wheel design and fitting methods following a visit to Sankey's. | 21th Apr 1939 | Box 159 \ 7 scan0229 | |
| The appearance of steel wheels and the necessity of fitting covering discs. | 25th Apr 1939 | Box 159 \ 7 scan0230 | |
| Requesting Sankey's be asked to carry out tests. | 25th Apr 1939 | Box 159 \ 7 scan0231 | |
| Letter chasing Joseph Sankey & Sons Ltd. for the available quantity of 4.5' and 5' wheels. | 28th Apr 1939 | Box 159 \ 7 scan0232 | |
| Design, branding, and supply of steel wheels for 'Corniche' and 'Ripple' cars. | 1st May 1939 | Box 159 \ 7 scan0233 | |
| Requesting the production of various steel wheel balance weights for experimental cars. | 1st May 1939 | Box 159 \ 7 scan0234 | |
| The manufacture of a centre part for 'Corniche' and 'Ripple' steel wheels. | 3rd May 1939 | Box 159 \ 7 scan0235 | |
| Letter to Joseph Sankey & Sons Ltd. regarding the progress of an experiment to fit an outer disc to steel wheels. | 13th May 1939 | Box 159 \ 7 scan0236 | |
| Specifications and application of steel wheel balance weights for experimental cars. | 15th May 1939 | Box 159 \ 7 scan0237 | |
| Letter from Joseph Sankey & Sons Ltd regarding the finish and dispatch of two wheels. | 15th May 1939 | Box 159 \ 7 scan0238 | |
| Wheel appearance for B.V. cars, focusing on the decision between wire wheels with optional discs and standard steel wheels. | 24th May 1939 | Box 159 \ 7 scan0239 | |
| Order for Skefco wheel bearings for testing and a price for a larger quantity. | 31th May 1939 | Box 159 \ 7 scan0240 | |
| Rationalised programme for front suspension components and track widths. | 6th Jun 1939 | Box 159 \ 7 scan0241 | |
| Despatch of a wire wheel, tyre, and Ace wheel cover to Lillie Hall, London. | 27th Jun 1939 | Box 159 \ 7 scan0242 | |
| The dispatch of a 6.50 x 16 wheel and Avon tyre, noting a fitment issue with the cover. | 28th Jun 1939 | Box 159 \ 7 scan0243 | |
| Confirming a scheme for a wheel brace for the 'Corniche' cars. | 1st Jul 1939 | Box 159 \ 7 scan0244 | |
| Options and costs for steel wheel cover discs on Corniche, Ripple, Wraith and other models. | 15th Jul 1939 | Box 159 \ 7 scan0245 | |
| Change to 7.500' x 16' tyres for Silver Wraith, Silver Phantom, and Silver Dawn models. | 10th Aug 1939 | Box 159 \ 7 scan0246 | |
| Confirming the requirement for five 5 1/2 x 16 wheels for car 33.G.VII. Hs' and asking about the supplier. | 11th Aug 1939 | Box 159 \ 7 scan0247 | |
| Covering memo forwarding a copy of a previous memo regarding wheel balance weights. | 31th Aug 1939 | Box 159 \ 7 scan0248 | |
| Querying an invoice from Kennings Ltd. regarding a discrepancy in an order for wheel braces. | 7th Nov 1939 | Box 159 \ 7 scan0249 | |
| Letter to Joseph Sankey & Sons Ltd. regarding a request for a set of experimental 16 inch wheels. | 10th Nov 1939 | Box 159 \ 7 scan0250 | |
| Instructing not to pay for two additional wheel braces obtained from Messrs. Kennings until the order is sent. | 15th Nov 1939 | Box 159 \ 7 scan0251 | |
| Letter from Joseph Sankey & Sons Ltd regarding an inquiry for the supply of experimental wheels. | 20th Nov 1939 | Box 159 \ 7 scan0252 | |
| Letter to Joseph Sankey & Sons Ltd. regarding a request for wheels and rims for experimental purposes. | 22th Nov 1939 | Box 159 \ 7 scan0253 | |
| Letter from Joseph Sankey & Sons Ltd confirming the forwarding of four 4.00' x 16' Rims. | 28th Nov 1939 | Box 159 \ 7 scan0254 | |
| Receipt of a wheel and tyre from Messrs. Cornercroft. | 29th Nov 1939 | Box 159 \ 7 scan0255 | |
| The arrival and fitting check for 16' x 4' rims for Rippletto. | 18th Dec 1939 | Box 159 \ 7 scan0256 | |
| Order be sent to Joseph Sankey & Sons Ltd. for rims for a project named Rippletto. | 18th Dec 1939 | Box 159 \ 7 scan0257 | |
| Request to order 100 balance weights for fitting to steel disc wheels. | 31th Jan 1940 | Box 159 \ 7 scan0258 | |
| Sending two wheels with press-on caps on loan to Messrs. Cornercroft in Coventry. | 21th Feb 1940 | Box 159 \ 7 scan0259 | |
| Request to obtain four new Departure rear wheel bearings from Messrs. Delco Remy & Hyatt Ltd. | 1st Feb 1940 | Box 159 \ 7 scan0260 | |
| Explaining the delay in completing an invoice due to the late arrival of two final wheel braces. | 5th Feb 1940 | Box 159 \ 7 scan0261 | |
| Instruction to set the front wheels parallel, with no toe-in, when tracking up cars. | 10th Feb 1940 | Box 159 \ 7 scan0262 | |
| Issues with balance weights for pressed steel wheels and a request for a drawing of the original clip. | 27th Feb 1940 | Box 159 \ 7 scan0263 | |
| Blueprints for balance weights on pressed steel wheels. | 18th Mar 1940 | Box 159 \ 7 scan0264 | |
| Blueprint drawing for a Spring Cup - Balance Weight - Wheel. | 15th Mar 1940 | Box 159 \ 7 scan0265 | |
| Blueprint for a spring clip for a balance weight wheel. | 15th Mar 1940 | Box 159 \ 7 scan0266 | |
| Or ripplet regarding the dispatch of two blueprints for a new L.O.P. wheelcase. | 18th Mar 1940 | Box 159 \ 7 scan0267 | |
| Issuing a new List of Parts for the Wheelcase, cancelling a previous instruction. | 19th Mar 1940 | Box 159 \ 7 scan0268 | |
| Design and origin of clip RG 667. | 5th Apr 1940 | Box 159 \ 7 scan0269 | |
| Request to send an official order to Messrs. Cornercroft Ltd. for wheel discs. | 6th Apr 1940 | Box 159 \ 7 scan0270 | |
| Letter to The Kelsey Hayes Wheel Co. Ltd. inquiring about the particulars and weight of a lightweight wheel. | 9th Oct 1940 | Box 159 \ 7 scan0271 | |
| Letter to Cornercroft Ltd. requesting detailed drawings for previously supplied sample wheel discs. | 9th Oct 1940 | Box 159 \ 7 scan0272 | |
| Letter requesting the manufacture and cost of a set of five light wheels for testing on a Vauxhall car. | 30th Oct 1940 | Box 159 \ 7 scan0273 | |
| Letter from Kelsey-Hayes Wheel Company detailing the design and testing of a wheel originally intended for Vauxhall Motors. | 23th Oct 1940 | Box 159 \ 7 scan0274 | |
| Continued letter from Kelsey-Hayes Wheel Company Ltd. regarding a light-weight wheel they have tested. | 9th Mar 1939 | Box 159 \ 7 scan0275 | |
| Technical drawing of a ventilated disc wheel assembly. | 9th Mar 1939 | Box 159 \ 7 scan0276 | |
| Letter from Kelsey-Hayes Wheel Company proposing a meeting to discuss the supply of experimental lightweight wheels. | 6th Nov 1940 | Box 159 \ 7 scan0277 | |
| Letter to Kelsey-Hayes Wheel Co. Ltd. arranging a visit for their representatives. | 11th Nov 1940 | Box 159 \ 7 scan0278 | |
| Letter from Kelsey-Hayes Wheel Company confirming travel arrangements for a meeting in Derby. | 16th Nov 1940 | Box 159 \ 7 scan0279 | |
| Telegram regarding a planned visit from representatives. | 16th Nov 1941 | Box 159 \ 7 scan0280 | |
| Meeting notes from a visit to Kelsey Hayes to discuss light wheel design and supply. | 20th Nov 1940 | Box 159 \ 7 scan0281 | |
| Comparison of Kelsey Hayes and Vauxhall wheel testing methods, with a proposition on aluminium alloy rims. | 20th Nov 1940 | Box 159 \ 7 scan0282 | |
| Page detailing the effect of wheel offset on the stiffness of the Vauxhall test relative to the Kelsey Hayes test. | 20th Nov 1940 | Box 159 \ 7 scan0283 | |
| Notes on a visit to Kelsey Hayes to discuss the design, supply, and cost of light wheels. | 20th Nov 1940 | Box 159 \ 7 scan0284 | |
| Comparison of wheel testing methods and formulae between Kelsey Hayes and Vauxhall. | 20th Nov 1940 | Box 159 \ 7 scan0285 | |
| Conclusion on how wheel offset would increase the severity of the Vauxhall test compared to the Kelsey Hayes test. | 20th Nov 1940 | Box 159 \ 7 scan0286 | |
| Correspondence to Kelsey Hayes Wheel Co. Ltd. regarding a drawing for a 16-inch wheel and the supply of wheels with duralumin rims. | 20th Nov 1940 | Box 159 \ 7 scan0287 | |
| Cross-section diagram of a pressed steel wheel with a well base rim. | 22th Nov 1940 | Box 159 \ 7 scan0288 | |
| Cross-section drawing of a pressed steel wheel with a well base rim. | 22th Nov 1940 | Box 159 \ 7 scan0289 | |
| Letter from Kelsey-Hayes Wheel Company regarding the production and design of 5 experimental wheels. | 28th Nov 1940 | Box 159 \ 7 scan0290 | |
| Technical drawing of a 3.50 D x 16' Ventilated Disc Wheel Assembly. | 3rd Mar 1935 | Box 159 \ 7 scan0291 | |
| Letter to Kelsey Hayes Ltd. expressing disappointment over the delayed delivery of five wheels. | 6th Jan 1941 | Box 159 \ 7 scan0292 | |
| Letter from Kelsey-Hayes Wheel Company regarding delays in producing five experimental wheels due to material sourcing issues. | 10th Jan 1940 | Box 159 \ 7 scan0293 | |
| Letter to Messrs. Kelsey-Hayes Ltd. regarding an endeavour to obtain .099' sheet material. | 19th Jan 1941 | Box 159 \ 7 scan0294 | |
| Requesting a check for specific material in the General Stores at the Works. | 19th Jan 1941 | Box 159 \ 7 scan0295 | |
| Confirming a telephone conversation regarding the delivery schedule for Kelsey Hayes wheels. | 11th Feb 1941 | Box 159 \ 7 scan0296 | |
| Letter from Kelsey-Hayes Wheel Co. regarding the dispatch of five sample wheels, mentioning delays and deviations from drawings. | 6th Mar 1941 | Box 159 \ 7 scan0297 | |
| The receipt and fitting of wheels for a 15 cwt. Chevrolet 4 x 2 Truck. | 5th Apr 1941 | Box 159 \ 7 scan0298 | |
| Letter to Kelsey Hayes Ltd. requesting a quote for a set of five wheels with specific drawing references. | 11th Apr 1941 | Box 159 \ 7 scan0299 | |
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