| Description | Date | Identifier | |
| Road test report comparing a Phantom and a Bentley, detailing various performance characteristics and design features. | 4th Jan 1938 | Box 89 \ 1 scan0232 | |
| Letter from Richard F. Summers providing feedback and suggestions on car design, specifically regarding engine size, braking, and suspension. | 6th Jan 1938 | Box 89 \ 1 scan0233 | |
| Response letter to a customer regarding their feedback and criticisms of the Phantom III model. | 6th Jan 1938 | Box 89 \ 1 scan0234 | |
| Letter addressing various reported faults with a vehicle, including the shock absorbers, dynamo, petrol pumps, screen wiper, and oil indicator. | 6th Jan 1938 | Box 89 \ 1 scan0235 | |
| Postscript detailing dynamo and riding control issues on a vehicle. | 7th Jan 1938 | Box 89 \ 1 scan0236 | |
| Letter to R. Summers of John Summers & Sons Ltd. regarding a Phantom III test drive and suggesting a Bentley. | 7th Jan 1938 | Box 89 \ 1 scan0237 | |
| Letter providing feedback on a Phantom III and suggesting specifications for a new Bentley model. | 10th Jan 1938 | Box 89 \ 1 scan0238 | |
| Continuation of a letter from John Summers & Sons, Limited, Shotton, regarding a vote and sending personal wishes. | 10th Jan 1938 | Box 89 \ 1 scan0239 | |
| Letter from Richard Summers to W. A. Robotham expressing dissatisfaction with Bentley cars and rumours of a new V.12 engine. | 22th Mar 1938 | Box 89 \ 1 scan0240 | |
| Letter to Bentley Motors regarding an order for a modified and updated chassis. | 22th Mar 1938 | Box 89 \ 1 scan0241 | |
| Letter from Bentley Motors to Richard F. Summers regarding the availability of a modified Bentley. | 21th Mar 1938 | Box 89 \ 1 scan0242 | |
| Letter from Richard F. Summers to Bentley Motors requesting to reserve one of the earliest modified cars. | 19th Mar 1938 | Box 89 \ 1 scan0243 | |
| Letter responding to an enquiry about a 12-cylinder engine for a Bentley chassis, clarifying its status and mentioning factory reorganisation. | 23th Mar 1938 | Box 89 \ 1 scan0244 | |
| Letter from John Summers & Sons discussing rumours of a 12-cylinder engine and feedback on a power unit. | 25th Mar 1938 | Box 89 \ 1 scan0245 | |
| Arranging for a client to test an Over-drive Bentley over the Easter holiday. | 21th Feb 1939 | Box 89 \ 1 scan0246 | |
| Letter from Richard F. Summers to B.W. Bleaney arranging a trial of a Bentley Saloon and commenting on recent repairs to another car. | 20th Feb 1939 | Box 89 \ 1 scan0247 | |
| Letter to R.F. Summers of Messrs. J. Summers & Sons Limited about a car being available to view. | 16th Mar 1939 | Box 89 \ 1 scan0248 | |
| Letter providing feedback on a streamlined 4 1/4 Bentley and the new overdrive cars. | 17th Mar 1939 | Box 89 \ 1 scan0249 | |
| Letter of complaint regarding the overdrive model, springing, and reliability issues. | 17th Mar 1939 | Box 89 \ 1 scan0250 | |
| Letter to R. Summers about overdrives, the Paulin car's aerodynamics, and rear springs. | 21th Mar 1939 | Box 89 \ 1 scan0251 | |
| Letter from John Summers & Sons to W.A. Robotham discussing overdrives, high maintenance costs, and vehicle value compared to Jaguar. | 22th Mar 1939 | Box 89 \ 1 scan0252 | |
| To W.A. Robotham Esq. regarding the performance, mileage, and maintenance of a motor. | 22th Mar 1939 | Box 89 \ 1 scan0253 | |
| Letter to R. Summers detailing failures experienced with a competitor's cheaper high-performance car during testing. | 23th Mar 1939 | Box 89 \ 1 scan0254 | |
| Letter from John Summers & Sons discussing the poor performance and high maintenance required for a motor car after 43,000 miles. | 28th Mar 1939 | Box 89 \ 1 scan0255 | |
| Short letter to W.A. Robotham arranging to bring a car to Derby for a meeting. | 28th Mar 1939 | Box 89 \ 1 scan0256 | |
| Note regarding raised crown pistons for 4 1/4-litre Bentleys, specifically for R. Summers' chassis B.58.GA. | 31th Mar 1939 | Box 89 \ 1 scan0257 | |
| Letter from John Summers & Sons, Limited, to W.A. Robotham enclosing a copy of a letter about car impressions. | 11th Apr 1939 | Box 89 \ 1 scan0258 | |
| Letter providing feedback on a test drive of a new Bentley edition, comparing it to an existing model. | 11th Apr 1939 | Box 89 \ 1 scan0259 | |
| Test report comparing a new car model to a previous one, detailing improvements and drawbacks in performance. | 11th Apr 1939 | Box 89 \ 1 scan0260 | |
| Letter detailing vehicle feedback and required improvements before a future purchase. | 11th Apr 1939 | Box 89 \ 1 scan0261 | |
| Letter complaining about the car's springing and providing feedback on the gearbox and overdrive options. | 11th Apr 1939 | Box 89 \ 1 scan0262 | |
| Performance comparison between a 4¼ litre Bentley Chassis B.58 GA and a demonstrator model. | 11th Apr 1939 | Box 89 \ 1 scan0263 | |
| Typed letter discussing a customer's feedback on a demonstration car compared to his current vehicle, including a weight comparison. | 12th Apr 1939 | Box 89 \ 1 scan0264 | |
| Customer feedback letter comparing a new edition Bentley to an existing model after a trial. | 11th Apr 1939 | Box 89 \ 1 scan0265 | |
| User's review and comparison of a car's performance, detailing handling issues and specific mechanical faults. | 11th Apr 1939 | Box 89 \ 1 scan0266 | |
| The final page of a letter from R.F. Summers regarding complaints about a car's springing and suggestions for gearbox alternatives. | 11th Apr 1939 | Box 89 \ 1 scan0267 | |
| Performance comparison between a 4¼ litre Bentley Chassis B.58 GA and a Demonstrator model, testing speedometer accuracy and acceleration. | 11th Apr 1939 | Box 89 \ 1 scan0268 | |
| Letter to R. Summers of John Summers & Sons, Ltd., regarding Avon tyres, pistons, and a future meeting. | 12th Jun 1939 | Box 89 \ 1 scan0269 | |
| Cover letter accompanying information on how to achieve the best petrol consumption. | 29th Sep 1939 | Box 89 \ 1 scan0270 | |
| Letter discussing vehicle performance regarding fuel consumption, engine detonation, and tyre wear. | 3rd Oct 1939 | Box 89 \ 1 scan0271 | |
| Letter to W.A. Robotham discussing the performance of Dunlop and India brand tyres and a potential job change to aeroplane work. | 3rd Oct 1939 | Box 89 \ 1 scan0272 | |
| Letter to R. Summers regarding ignition timing, Avons, and the shift from car to aircraft engine production due to war. | 16th Oct 1939 | Box 89 \ 1 scan0273 | |
| Letter requesting assistance for an apprenticeship and advice on a car's gearbox noise. | 13th Feb 1940 | Box 89 \ 1 scan0274 | |
| Letter discussing a potential apprentice, a car clutch fault, and a request for lead-coated sheet steel. | 15th Feb 1940 | Box 89 \ 1 scan0275 | |
| Letter inquiring about the production of thinner plates and gauging interest in a post-war car model. | 19th Feb 1940 | Box 89 \ 1 scan0276 | |
| Letter discussing a clutch noise issue and a potential new car purchase. | 19th Feb 1940 | Box 89 \ 1 scan0277 | |
| Letter discussing motor car pricing and providing a list of suppliers for lead coated steel sheets. | 20th Feb 1940 | Box 89 \ 1 scan0278 | |
| Letter discussing a car trial and information regarding lead coated tin sheets. | 20th Feb 1940 | Box 89 \ 1 scan0279 | |
| Letter from 'Richard' at Sumners Steel in Shotton to 'Bill', apologising for a missed meeting to see the strip mill. | 16th Dec 1940 | Box 89 \ 1 scan0280 | |
| Letter discussing the introduction of a Squadron-Leader, the potential sale of motor cars, and a visit to a strip mill. | 7th Mar 1941 | Box 89 \ 1 scan0281 | |
| Letter to R. Summers acknowledging correspondence, discussing a future visit, and providing a car valuation. | 8th Mar 1941 | Box 89 \ 1 scan0282 | |
| Telegram with instructions to send a car to a foundry in Belper. | 21th Jun 1941 | Box 89 \ 1 scan0283 | |
| Short typed message regarding a car repair for a customer, with a handwritten 'PHONED' annotation. | 21th Jun 1941 | Box 89 \ 1 scan0284 | |
| Typed and handwritten message confirming a phone call to postpone an arrangement. | 22th Jun 1941 | Box 89 \ 1 scan0285 | |
| Letter discussing car repair options and logistics with a customer, including a transcript of a telegram. | 22th Jun 1941 | Box 89 \ 1 scan0286 | |
| Telegram confirming a car will be sent to Derby. | 29th Jun 1941 | Box 89 \ 1 scan0287 | |
| Telegram from Richard Summers to Robotham asking whether to send a Bentley to Derby or Belfast. | 28th Jun 1941 | Box 89 \ 1 scan0288 | |
| Letter arranging car repairs, detailing issues with an oil leak, oil consumption, and potential damage to the sump baffle plates. | 24th Jun 1941 | Box 89 \ 1 scan0289 | |
| Message regarding the manufacture and fitting of axle gears for Summers of Shotton, Chester. | 4th Jul 1941 | Box 89 \ 1 scan0290 | |
| Letter to W.A. Robotham regarding a missing threaded nut from a Bentley's back wheel. | 9th Jul 1941 | Box 89 \ 1 scan0291 | |
| Letter responding to an enquiry about a missing nut from a wheel disc. | 11th Jul 1941 | Box 89 \ 1 scan0292 | |
| Letter from a customer named Richard regarding engine problems and requesting repairs. | 4th Sep 1941 | Box 89 \ 1 scan0293 | |
| Letter declining a request to work on a customer's car engine due to equipment location and a long waiting list. | 9th Sep 1941 | Box 89 \ 1 scan0294 | |
| Letter to J. Thompson Esq. about a delayed account from coachbuilders for car repairs. | 12th Sep 1941 | Box 89 \ 1 scan0295 | |
| Letter addressing car trouble including a front-wheel ball race failure, mis-firing, and brake issues. | 21th Oct 1941 | Box 89 \ 1 scan0296 | |
| Letter from the Bristol Aeroplane Company regarding a car chassis and the Goshawk engine type test. | 23th Nov 1933 | Box 89 \ 2 scan0001 | |
| Letter confirming the upcoming 'Pegasus' III.S. Type Test, to be conducted on a similar basis to previous tests on 'Mercury' VI and 'Pegasus' III engines. | 23th Nov 1933 | Box 89 \ 2 scan0002 | |
| Letter from The Bristol Aeroplane Company Ltd to E.W. Hives providing the allotted chassis number B.189.AE. | 29th Nov 1933 | Box 89 \ 2 scan0003 | |
| Letter regarding specific personal requests for a Bentley car purchase, including cycle type mudguards and engine improvements. | 20th Dec 1933 | Box 89 \ 2 scan0004 | |
| Two-page letter from A.H.R. Fedden regarding modifications and delivery for chassis G.HP60. | 12th Nov 1933 | Box 89 \ 2 scan0005 | |
| Chassis No. B.189.AE being off test and considered a very good chassis. | 1st Mar 1934 | Box 89 \ 2 scan0006 | |
| Letter from Bristol Aeroplane Company to Mr. Hives regarding a car chassis and a Pegasus IV engine test. | 16th Apr 1934 | Box 89 \ 2 scan0007 | |
| To A.H.R. Fedden regarding production delays for special stub axle forgings and mud wing brackets for a Bentley chassis. | 18th Apr 1934 | Box 89 \ 2 scan0008 | |
| Letter from Bristol Aeroplane Company regarding a new axle, a lead problem, and research into lead bronze. | 23th Apr 1934 | Box 89 \ 2 scan0009 | |
| Letter to A.H.R. Fedden confirming the dispatch of Bentley parts to Messrs. Park Wards. | 28th Apr 1934 | Box 89 \ 2 scan0010 | |
| Letter from The Bristol Aeroplane Company Ltd confirming the dispatch of parts for a Bentley Car. | 1st May 1934 | Box 89 \ 2 scan0011 | |
| Performance test report for chassis B.189.AE at Brooklands, detailing speeds achieved. | 16th May 1934 | Box 89 \ 2 scan0012 | |
| The delivery status and front axle of Mr. Fedden's Bentley. | 25th May 1934 | Box 89 \ 2 scan0013 | |
| Letter from The Bristol Aeroplane Company Ltd to E.W. Hives regarding the speed of a car at Brooklands and taking delivery of another. | 30th May 1934 | Box 89 \ 2 scan0014 | |
| Speed test of a Streamline Saloon at the Brooklands circuit. | 30th May 1934 | Box 89 \ 2 scan0015 | |
| Thank you note regarding Feddon's car and the exhaust system. | 31th May 1934 | Box 89 \ 2 scan0016 | |
| Letter from A.H.R. Fedden of The Bristol Aeroplane Co. Ltd. to Bentley Motors regarding issues with a new car, including a clicking axle, cracked windscreen, and fuel consumption. | 2nd Jun 1934 | Box 89 \ 2 scan0017 | |
| To Mr. Feddon regarding the pleasing performance figures for the Streamline Saloon. | 4th Jun 1934 | Box 89 \ 2 scan0018 | |
| Initial issues with a customer's new Bentley, including a transmission knock and petrol consumption. | 6th Jun 1934 | Box 89 \ 2 scan0019 | |
| Conversation about a Bentley car and aero engine development at the Bristol Aeroplane Company. | 7th Jun 1934 | Box 89 \ 2 scan0020 | |
| Letter addressing a customer's concerns about low fuel economy and a knock in the transmission. | 7th Jun 1934 | Box 89 \ 2 scan0021 | |
| Enclosure of four photographs of Mr. Feddon's car, chassis no. B.189.AE. | 8th Jun 1934 | Box 89 \ 2 scan0022 | |
| Brief thank you note for photographs of Feddon's Bentley car. | 9th Jun 1934 | Box 89 \ 2 scan0023 | |
| Letter to A.H.R. Fedden diagnosing a clicking noise in his car's transmission. | 11th Jun 1934 | Box 89 \ 2 scan0024 | |
| Letter from Bristol Aeroplane Company regarding a transmission click on a Bentley and enquiries about fuel and oil consumption. | 13th Jun 1934 | Box 89 \ 2 scan0025 | |
| Follow-up inquiry regarding contact with Mr. A.H.R. Fedden. | 23th Jun 1934 | Box 89 \ 2 scan0026 | |
| Troubleshooting a customer's car, belonging to a Mr. Fedden. | 25th Jun 1934 | Box 89 \ 2 scan0027 | |
| Brief typed note regarding a meeting with Mr. Fedden and a future car trial. | 25th Jun 1934 | Box 89 \ 2 scan0028 | |
| Follow-up letter regarding a customer complaint case about Mr. Fedden's car. | 20th Aug 1934 | Box 89 \ 2 scan0029 | |
| Short internal memorandum regarding a complaint case for Mr. A.H.R. Fedden's car, B-189-AE. | 27th Aug 1934 | Box 89 \ 2 scan0030 | |
| Letter from Bristol Aeroplane Company providing feedback on a 5,400-mile road test of a Bentley car, focusing on steering performance. | 28th Aug 1934 | Box 89 \ 2 scan0031 | |
| Performance review and list of criticisms on a vehicle's components and handling, page 2. | 28th Aug 1934 | Box 89 \ 2 scan0032 | |
| Review of a 3 1/2 litre Bentley, covering performance, instruments, and bodywork issues. | 9th Oct 1934 | Box 89 \ 2 scan0033 | |
| Complaint case for chassis B-189-AE about a gearbox rattle when starting from rest. | 9th Oct 1934 | Box 89 \ 2 scan0034 | |
| Cover note regarding a complaint case for Chassis No. B-189-AE concerning A.H.R. Fedden. | 10th Oct 1934 | Box 89 \ 2 scan0035 | |
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