| Description | Date | Identifier | |
| Letter to Price's Patent Candle Co. Ltd. about an issue with their 'Motorine C' oil, evidenced by a used oil filter. | 8th Oct 1936 | Box 144 \ 1 scan0252 | |
| Dispatch of a Phantom III oil filter for inspection. | 8th Oct 1936 | Box 144 \ 1 scan0253 | |
| Letter from an oil manufacturer regarding the examination of a filter deposit and upcoming oil tests on a Phantom III car. | 9th Oct 1936 | Box 144 \ 1 scan0254 | |
| Comparative test between Prices Oil and Castrol oil in Phantom III trials cars to dispute a claim of sludge. | 4th Nov 1936 | Box 144 \ 1 scan0255 | |
| Issues with Prices oil in the Phantom III, leading to a temporary embargo and a collapsed filter on an experimental car. | 9th Nov 1936 | Box 144 \ 1 scan0256 | |
| Oil sludge issues in the Phantom III chassis and comparing the performance of different engine oils. | 21th Sep 1936 | Box 144 \ 1 scan0257 | |
| Letter discussing a choked and collapsed oil filter due to sludge on a Phantom III. | 12th Nov 1936 | Box 144 \ 1 scan0258 | |
| Despatch of one Phantom III main filter to Mr. Cowan at Conduit Street. | 12th Nov 1936 | Box 144 \ 1 scan0259 | |
| Acknowledgement of receipt for a main filter removed from a Phantom III. | 13th Nov 1936 | Box 144 \ 1 scan0260 | |
| Letter from Prices Patent Candle Company regarding oil filter accumulation issues in Phantom III cars. | 21th Nov 1936 | Box 144 \ 1 scan0261 | |
| Letter from Price's Patent Candle Company regarding lubricating oil issues, filter analysis, and proposed experiments for the Phantom III engine. | 21th Nov 1936 | Box 144 \ 1 scan0262 | |
| Letter from Price's Patent Candle Company defending their 'Motorine C' lubricant against claims of causing deposit accumulation. | 21th Nov 1936 | Box 144 \ 1 scan0263 | |
| Letter from Price's Patent Candle Company Limited regarding an investigation into filter deposits from a Phantom III. | 27th Nov 1936 | Box 144 \ 1 scan0264 | |
| Letter to Price's Patent Candle Company regarding choked filters and the performance of their oil. | 27th Nov 1936 | Box 144 \ 1 scan0265 | |
| Letter received from Mr. Brooker of Prices concerning the sludging-up of the tappet mechanism filter for the Phantom III. | 10th Dec 1936 | Box 144 \ 1 scan0266 | |
| Sludging up of filters on the tappet mechanism for the Phantom III model. | 11th Dec 1936 | Box 144 \ 1 scan0267 | |
| Letter to Shell-Mex & B.P. Ltd requesting samples of lubricants for testing. | 14th Dec 1936 | Box 144 \ 1 scan0268 | |
| The sludging of tappet mechanism filters on a P.III, and modifications to the chassis to use different oils. | 14th Dec 1936 | Box 144 \ 1 scan0269 | |
| Notification regarding the change of company name for Price's Patent Candle Company Ltd to Price's Lubricants Ltd. | 20th Jan 1937 | Box 144 \ 1 scan0270 | |
| Request to the laboratory to analyze a sample of Motorine 'C' lubricating oil. | 19th Feb 1937 | Box 144 \ 1 scan0271 | |
| Letter from Price's Lubricants Limited following up on a test of their Motorine C oil on a Phantom III car. | 4th Mar 1937 | Box 144 \ 1 scan0272 | |
| Letter to Price's Lubricants Ltd. regarding an oil test on a Phantom III car in France. | 18th Mar 1937 | Box 144 \ 1 scan0273 | |
| Issues and tests concerning Prices Lubricating Oil in Phantom III engines. | 1st Apr 1937 | Box 144 \ 1 scan0274 | |
| Performance of a supplier named Prices regarding their oil cleaning methods. | 1st Apr 1937 | Box 144 \ 1 scan0275 | |
| Use and testing of different lubricating oils, specifically Price's Oil versus Castrol XL. | 5th Apr 1937 | Box 144 \ 1 scan0276 | |
| Letter from Price's Lubricants Limited concerning a misunderstood test of Motorine C oil and its delisting for the Phantom III. | 24th Mar 1937 | Box 144 \ 1 scan0277 | |
| Letter from Price's Lubricants Limited regarding the testing of Motorine oil and its inclusion in instruction books. | 7th Oct 1937 | Box 144 \ 1 scan0278 | |
| Inquiring about the status of Price's oil and the possibility of removing a ban. | 7th Oct 1937 | Box 144 \ 1 scan0279 | |
| Suitability of Price's Oil for the Phantom III engine, mentioning sludge problems. | 9th Oct 1937 | Box 144 \ 1 scan0280 | |
| Letter from Price's Lubricants Limited discussing the viscosity figures and properties of Motorine M and Motorine E oils. | 9th Feb 1938 | Box 144 \ 1 scan0281 | |
| Letter from Price's Lubricants Limited with a table of viscosity data for Motorine M and Motorine E oils. | 14th Feb 1938 | Box 144 \ 1 scan0282 | |
| The supply and testing of oil for the Phantom III engine. | 14th Feb 1938 | Box 144 \ 1 scan0283 | |
| Use of Price's Oil in the Phantom III engine, involving the deletion of hydraulic tappets. | 15th Feb 1938 | Box 144 \ 1 scan0284 | |
| Letter to Price's Lubricants regarding the standardization of S.A.E. oil viscosity for instruction books. | 9th Mar 1938 | Box 144 \ 1 scan0285 | |
| Letter from Price's Lubricants discussing the adoption of S.A.E. viscosity numbers for their oil grades. | 11th Mar 1938 | Box 144 \ 1 scan0286 | |
| Page 2 of a letter from Price's Lubricants Limited, signed by the Technical Director. | 14th Mar 1938 | Box 144 \ 1 scan0287 | |
| Letter to Price's Lubricants Ltd. explaining the decision to use viscosity numbers over grade letters in instruction books. | 14th Mar 1938 | Box 144 \ 1 scan0288 | |
| Letter from Price's Lubricants Limited regarding oil grade names and viscosity standards based on S.A.E. readings. | 25th Mar 1938 | Box 144 \ 1 scan0289 | |
| Page 2 of a letter from Price's Lubricants Limited discussing oil specifications such as S.A.E. and 'Vis'. | 31th Mar 1938 | Box 144 \ 1 scan0290 | |
| Letter from Price's Lubricants regarding the successful test of Motorine M lubricant in Major Cox's Phantom III. | 31th Mar 1938 | Box 144 \ 1 scan0291 | |
| Letter from Price's Lubricants regarding the performance of Motorine lubricants and arranging a meeting to discuss them. | 23th Jun 1938 | Box 144 \ 1 scan0292 | |
| Letter to Messrs. Price's Lubricants Ltd. acknowledging receipt of their letter and informing them of Mr. Robotham's absence. | 24th Jun 1938 | Box 144 \ 1 scan0293 | |
| Inquiry to Price's Lubricants about a suitable oil for cars being stored during the war. | 13th Jan 1940 | Box 144 \ 1 scan0294 | |
| Letter from Price's Lubricants Ltd. regarding their recommendation to use compound fatty oil for rust prevention in engines that are laid up. | 15th Jan 1940 | Box 144 \ 1 scan0295 | |
| Letter from Price's Lubricants regarding their Motorine oil and the laying up of cars. | 15th Jan 1940 | Box 144 \ 1 scan0296 | |
| Letter providing advice on the necessary precautions for long-term car storage. | 15th Jan 1940 | Box 144 \ 1 scan0297 | |
| Guidance on tyre pressure, vehicle storage, and radiator maintenance for laying up a car. | 29th Sep 1939 | Box 144 \ 1 scan0298 | |
| Extract from 'The Light Car' publication detailing advice on car battery maintenance during long-term storage. | 29th Sep 1939 | Box 144 \ 1 scan0299 | |
| Advice on battery storage and care during winter months. | 17th Jan 1940 | Box 144 \ 1 scan0300 | |
| Inquiry to Price's Lubricants about the suitability of their Olympia 'L' oil for car storage purposes. | 17th Jan 1940 | Box 144 \ 1 scan0301 | |
| The correct mineral oil for car storage and an inquiry about alternative products. | 17th Jan 1940 | Box 144 \ 1 scan0302 | |
| Confirming the use of mineral oils for the storage of cars and declining to test alternatives. | 20th Jan 1940 | Box 144 \ 1 scan0303 | |
| Letter from a lubricant supplier regarding the appropriate oil for engine preservation during storage. | 20th Jan 1940 | Box 144 \ 1 scan0304 | |
| Letter from Price's Lubricants Limited regarding rust proofing preparations and Motorine for stored engines. | 22th Jan 1940 | Box 144 \ 1 scan0305 | |
| Thank you letter to Messrs Price's Lubricants Limited regarding a matter of considerable interest. | 22th Jan 1940 | Box 144 \ 1 scan0306 | |
| Advice to customers for the storage of cars. | 22th Jan 1940 | Box 144 \ 1 scan0307 | |
| Instructions for vehicle maintenance, covering the car and draining oil. | 12th Mar 1940 | Box 144 \ 1 scan0308 | |
| Complaint letter from a lubricant supplier regarding a memorandum recommending a competitor's oil for a Bentley. | 12th Mar 1940 | Box 144 \ 1 scan0309 | |
| Letter discussing the correct lubricant to use for a stored engine. | 15th Mar 1940 | Box 144 \ 1 scan0310 | |
| Letter regarding enclosed correspondence from Price's Lubricants Ltd. and requesting an update on the matter. | 15th Mar 1940 | Box 144 \ 1 scan0311 | |
| Letter forwarding correspondence with Price's Ltd regarding recommended oils for car storage. | 15th Mar 1940 | Box 144 \ 1 scan0312 | |
| Letter from a lubricant supplier questioning a recommendation to use a competitor's oil for stored engines. | 11th Mar 1940 | Box 144 \ 1 scan0313 | |
| List of instructions for customers on how to properly store their car. | 11th Mar 1940 | Box 144 \ 1 scan0314 | |
| Instructions for car storage, including draining engine, gearbox, and rear axle oil. | 16th Mar 1940 | Box 144 \ 1 scan0315 | |
| Price's Lubricants Ltd. and the storage of cars. | 16th Mar 1940 | Box 144 \ 1 scan0316 | |
| Letter to Prices Lubricants Ltd. discussing the use of compound oils for car storage. | 18th Mar 1940 | Box 144 \ 1 scan0317 | |
| Letter confirming the recommendation to use mineral oils for storage purposes. | 19th Mar 1940 | Box 144 \ 1 scan0318 | |
| Short internal memo regarding correspondence about Price's oil. | 19th Mar 1940 | Box 144 \ 1 scan0319 | |
| Typed note discussing the suitability of a specific oil for the storage of cars. | 27th Mar 1940 | Box 144 \ 1 scan0320 | |
| Letter from Price's Lubricants discussing the use of pure mineral oils versus compound oils in stored cars. | 29th Mar 1940 | Box 144 \ 1 scan0321 | |
| File note referencing communication with Price's Lubricants Ltd regarding Belmoline Grease. | 2nd Oct 1940 | Box 144 \ 1 scan0322 | |
| Note for 'Motor Sport' magazine and the strategic separation of the Rolls-Bentley brand. | 4th Jan 1941 | Box 144 \ 2 scan0001 | |
| Outlining a tentative programme for a tank project and discussions with the Director of Tank Design. | 18th Jan 1941 | Box 144 \ 2 scan0002 | |
| Visit to supplier Nash & Thompson regarding a delay in the production of a power driven mounting for a 40mm gun. | 20th Jan 1941 | Box 144 \ 2 scan0003 | |
| Postponing a high-speed Bentley publicity test for Pomeroy due to unsafe road conditions. | 15th Jan 1941 | Box 144 \ 2 scan0004 | |
| From Rm. to Hs. regarding a discussion with Westbrook about undertaking repairs on the Allison engine. | 20th Jan 1941 | Box 144 \ 2 scan0005 | |
| Progress report from the Chassis Division on the design and rationalization of the Senior Range cars. | 24th Jan 1941 | Box 144 \ 2 scan0006 | |
| Report discussing post-war engine modifications, comparing original and alternative engine plans for various models. | 24th Jan 1941 | Box 144 \ 2 scan0007 | |
| Road work, detailing component mileages and a list of faults found in the gearbox, suspension, brakes, and clutch. | 24th Jan 1941 | Box 144 \ 2 scan0008 | |
| Unresolved vehicle issues and the status of body production tools and designs. | 24th Jan 1941 | Box 144 \ 2 scan0009 | |
| The rationalisation of parts, drawing office capacity, and experimental work on Coupé bodies. | 24th Jan 1941 | Box 144 \ 2 scan0010 | |
| Design and development details for the Junior Rationalised Cars, specifically the 'Myth' chassis and body. | 24th Jan 1941 | Box 144 \ 2 scan0011 | |
| Engine options and chassis modifications to achieve higher performance and a more compact design for the 'Myth' model. | 24th Jan 1941 | Box 144 \ 2 scan0012 | |
| Specification table for small and large four-cylinder engines. | 24th Jan 1941 | Box 144 \ 2 scan0013 | |
| The development of the 'Myth' car, covering its appearance, chassis design, and part sourcing strategy. | 24th Jan 1941 | Box 144 \ 2 scan0014 | |
| Post-war development on a 4-cylinder car, with a list of attachments relating to rationalised cars and the 'Myth' model. | 24th Jan 1941 | Box 144 \ 2 scan0015 | |
| Comparative drawing of various chassis and body styles for 6 and 8 cylinder vehicles. | 8th Feb 1961 | Box 144 \ 2 scan0016 | |
| Design proposals for a rationalised chassis programme for the 'Junior Range' of 4-cylinder cars. | 8th Feb 1961 | Box 144 \ 2 scan0017 | |
| Design rendering of a car's front-end styling, focusing on the prominent radiator grille and sweeping fenders. | 8th Feb 1961 | Box 144 \ 2 scan0018 | |
| Arrangement of Myth Chassis with M.40 Engine. | 10th Jan 1941 | Box 144 \ 2 scan0019 | |
| Design drawing for a Four Door Six Light Saloon, model name Myth. | 10th Jan 1941 | Box 144 \ 2 scan0020 | |
| Design drawing for a Four Door, Four Light Saloon model R.R. Myth. | 13th Jan 1941 | Box 144 \ 2 scan0021 | |
| Comparative dimensional analysis of various saloon car bodies from the late 1930s and 1940. | 8th Feb 1941 | Box 144 \ 2 scan0022 | |
| Confidential sharing of 'Myth Body' details and arranging a follow-up meeting. | 8th Feb 1941 | Box 144 \ 2 scan0023 | |
| Requesting approval to purchase inspection tools for the Chassis Section following the loss of existing equipment. | 12th Feb 1941 | Box 144 \ 2 scan0024 | |
| Bentley publicity, managing press articles, car trials, and specific vehicle modifications. | 13th Feb 1941 | Box 144 \ 2 scan0025 | |
| The progress of quantity produced coachwork for various car models, detailing the status of tools and jigs. | 14th Feb 1941 | Box 144 \ 2 scan0026 | |
| Assessment of shop equipment, drawings, and timelines required for body production. | 14th Feb 1941 | Box 144 \ 2 scan0027 | |
| Panel production issues with suppliers and structural problems with a Bentley V. Coupe body. | 14th Feb 1941 | Box 144 \ 2 scan0028 | |
| The progress on drawings and sample bodies for the Silver Phantom, Cresta, and Myth models. | 14th Feb 1941 | Box 144 \ 2 scan0029 | |
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