| Description | Date | Identifier | |
| Typed message to Minchin Dagenite Sowest London regarding handling complaints on a Bentley vehicle. | 14th Jun 1938 | Box 89 \ 4 scan0323 | |
| Query seeking clarification on a chart of complaints for a 4¼ Bentley, specifically about the clutch section. | 15th Jun 1938 | Box 89 \ 4 scan0324 | |
| Letter from Peto & Radford concerning a car brake modification and squeaking brake issue. | 16th Jun 1938 | Box 89 \ 4 scan0325 | |
| Letter to Mr. Minchin arranging for his car to be left at Derby while he is abroad. | 20th Jun 1938 | Box 89 \ 4 scan0326 | |
| Letter from Peto & Radford to W.A. Robotham arranging for a car to be serviced in Derby, with a handwritten note about purchasing cheaper parts. | 22th Jun 1938 | Box 89 \ 4 scan0327 | |
| Letter to a client arranging a date to send a car in before the annual works holiday. | 23th Jun 1938 | Box 89 \ 4 scan0328 | |
| Replacement of an experimental head with a standard one on Staniland's car following a lack of compression. | 25th Jun 1938 | Box 89 \ 4 scan0329 | |
| Proposal to re-condition a head for Flt-Lt. Staniland's car. | 27th Jun 1938 | Box 89 \ 4 scan0330 | |
| Repair of a special cylinder head from chassis B.42.FB. | 27th Jun 1938 | Box 89 \ 4 scan0331 | |
| Letter from S. Smith & Sons (Motor Accessories) Ltd confirming a meeting with W.A. Robotham. | 27th Jun 1938 | Box 89 \ 4 scan0332 | |
| Letter concerning car servicing arrangements and associated costs. | 29th Jun 1938 | Box 89 \ 4 scan0333 | |
| Letter from a customer to Bentley Motors detailing issues with their 3 1/2 litre Bentley, chassis B.149/AE, for examination. | 29th Jun 1938 | Box 89 \ 4 scan0334 | |
| Continuation of a letter regarding the serviceability of brakes and requesting a report before major work is undertaken. | 29th Jun 1938 | Box 89 \ 4 scan0335 | |
| Confirming the examination and handover of a car's head for correction. | 29th Jun 1939 | Box 89 \ 4 scan0336 | |
| Letter to Sydney D. Evershed regarding the American markets and carrying out work economically. | 30th Jun 1938 | Box 89 \ 4 scan0337 | |
| Letter from Peto & Radford to W.A. Robotham confirming an appointment for the 11th to hand over a car. | 30th Jun 1938 | Box 89 \ 4 scan0338 | |
| The despatch of a 3.5-litre unit to the Paris depot for overhaul. | 5th Jul 1938 | Box 89 \ 4 scan0339 | |
| Cessation of retrospectively fitting propellor shaft dampers to 4 1/4 litre Bentley cars. | 5th Jul 1938 | Box 89 \ 4 scan0340 | |
| Letter to Mr. Minchin regarding a trip to Paris and car/battery arrangements. | 9th Jul 1938 | Box 89 \ 4 scan0341 | |
| Knocking issue in Bentley axle shafts, detailing the cause as 'bowing' from the hardening process. | 15th Jul 1938 | Box 89 \ 4 scan0342 | |
| Car with brake squeaks to be fitted with standard iron drums and B.Z brake liners. | 19th Jul 1938 | Box 89 \ 4 scan0343 | |
| Customer feedback letter discussing Bentley brake noise, a 'clonk' from the back, and improved engine performance. | 5th Aug 1938 | Box 89 \ 4 scan0344 | |
| The circumstances of premature cylinder bore wear on a customer's car, chassis 103-GP. | 22th Aug 1938 | Box 89 \ 4 scan0345 | |
| Private memo regarding a customer complaint and subsequent repairs for Chassis No. B.103.GP. | 23th Aug 1938 | Box 89 \ 4 scan0346 | |
| Comparative report on bearing wear and oil flow test times for four Bentley chassis. | 26th Aug 1938 | Box 89 \ 4 scan0347 | |
| Log of vehicle complaints and test results for four different cars. | 26th Aug 1938 | Box 89 \ 4 scan0348 | |
| Log of vehicle test results and owner complaints for four different cars. | 26th Aug 1938 | Box 89 \ 4 scan0349 | |
| Log of vehicle inspection and test results for four different cars. | 26th Aug 1938 | Box 89 \ 4 scan0350 | |
| Log sheet detailing vehicle test results, complaints, and specifications for four separate jobs. | 26th Aug 1938 | Box 89 \ 4 scan0351 | |
| Test and inspection results for four different vehicle jobs, noting mileage, flow time, and specific modifications. | 30th Aug 1938 | Box 89 \ 4 scan0352 | |
| Letter to Mr. Nichols of S. Smith & Sons regarding a car at Kingsbury. | 30th Aug 1938 | Box 89 \ 4 scan0353 | |
| Service and repair history for chassis number B.72-FB. | 30th Aug 1938 | Box 89 \ 4 scan0354 | |
| Letter from the Sales Director's office regarding a persistent wheel wobble issue on a car. | 1st Sep 1938 | Box 89 \ 4 scan0355 | |
| Short typed letter to Mr. Minchin regarding Lee Evans' refusal to cooperate. | 15th Oct 1938 | Box 89 \ 4 scan0356 | |
| Letter regarding out-of-date lubrication instructions for a 4 1/4 litre Bentley B81NM. | 20th Oct 1939 | Box 89 \ 4 scan0357 | |
| Letter discussing the suitability of Hypoid gear oil for an axle, following a customer's complaint about noise. | 21th Oct 1938 | Box 89 \ 4 scan0358 | |
| Letter to a customer regarding the instruction book and recommended oil for a 4 1/4-litre Bentley. | 21th Oct 1938 | Box 89 \ 4 scan0359 | |
| Customer's car with axle noise and the fitting of new pinion bearings for feedback. | 21th Oct 1938 | Box 89 \ 4 scan0360 | |
| The fitting of a reconditioned axle and thrust pinion bearing to a Bentley 81HM. | 22th Oct 1932 | Box 89 \ 4 scan0361 | |
| Cover memo forwarding a copy of a letter from a customer, Mr. Ernest J. Kleinwort. | 13th Oct 1938 | Box 89 \ 4 scan0362 | |
| Letter from a customer expressing disappointment with the features of a new Bentley model and hesitation to place an order. | 7th Oct 1938 | Box 89 \ 4 scan0363 | |
| Query regarding a returned 10-inch clutch driven plate that appears to be in new condition. | 31th Oct 1938 | Box 89 \ 4 scan0364 | |
| Letter from the Managing Director of Wellworthy Piston Rings Ltd. reporting a rumble in a car's back axle and inquiring about the guarantee. | 1st Nov 1938 | Box 89 \ 4 scan0365 | |
| Slipping clutch issue for Chassis No. B.119.HM, where the plate was changed as a precautionary measure. | 2nd Nov 1938 | Box 89 \ 4 scan0366 | |
| Potential slipping issue on chassis B.119.HM. | 3rd Nov 1938 | Box 89 \ 4 scan0367 | |
| Letter to a customer about a failing pinion bearing in their back axle and arranging a repair. | 3rd Nov 1938 | Box 89 \ 4 scan0368 | |
| Letter from Wellworthy Piston Rings Ltd. acknowledging receipt of a letter and confirming a car will be sent to the Kingsbury depot. | 7th Nov 1938 | Box 89 \ 4 scan0369 | |
| Recommendations to address excessive oil consumption for chassis B.106.HK. | 22th Nov 1938 | Box 89 \ 4 scan0370 | |
| Letter from Paddon Brothers Ltd. introducing a friend from New Zealand, requesting a tour of the Rolls Royce works. | 24th Nov 1938 | Box 89 \ 4 scan0371 | |
| Inquiry about sourcing a suitable body for a used 4¼ litre Bentley chassis. | 30th Nov 1938 | Box 89 \ 4 scan0372 | |
| Confirming no spare Bentley bodies are available for fitting to chassis B.171.LE. | 1st Dec 1938 | Box 89 \ 4 scan0373 | |
| Excessive crankshaft wear in 4 1/2 Litre Bentley vehicles and the recommendation to fit oil filters. | 1st Dec 1938 | Box 89 \ 4 scan0374 | |
| Letter from Paddon Brothers Ltd critiquing the gear ratios of the o.d. 4 1/4 Bentley. | 5th Dec 1938 | Box 89 \ 4 scan0375 | |
| Letter providing feedback on a test car, comparing it to a 1938 Bentley and listing likes and dislikes. | 5th Dec 1938 | Box 89 \ 4 scan0376 | |
| Providing suggestions on vehicle temperature control, luggage boot, and gearbox, with personal driving opinions. | 5th Dec 1938 | Box 89 \ 4 scan0377 | |
| Letter from Paddon Bros. Ltd. to Bentley Motors (1931) Ltd. referencing C.S. Rolls. | 5th Dec 1938 | Box 89 \ 4 scan0378 | |
| Customer's history of steering complaints across multiple vehicles. | 8th Dec 1938 | Box 89 \ 4 scan0379 | |
| Customer complaint letter to Bentley Motors regarding a serious and dangerous steering wobble defect. | 5th Dec 1938 | Box 89 \ 4 scan0380 | |
| Customer's steering complaint regarding chassis B.110-LS. | 9th Dec 1938 | Box 89 \ 4 scan0381 | |
| Customer complaint and difficult owner for chassis B-57-KU. | 14th Dec 1938 | Box 89 \ 4 scan0382 | |
| Recurring customer steering complaint and arranging for the car to be collected for inspection. | 14th Dec 1938 | Box 89 \ 4 scan0383 | |
| Letter confirming arrangements to collect a customer's car to investigate a complaint. | 15th Dec 1938 | Box 89 \ 4 scan0384 | |
| Letter addressing customer complaints about overdrive, steering, body, and radiator shutters. | 16th Dec 1938 | Box 89 \ 4 scan0385 | |
| Complaint from bearing manufacturer G.A. Vandervell about an engine thud and the competitive situation. | 19th Dec 1938 | Box 89 \ 4 scan0386 | |
| Letter to a customer regarding an engine inspection, abnormal sludge buildup, and bearing failure. | 28th Dec 1938 | Box 89 \ 4 scan0387 | |
| Response letter concerning an investigation into excessive temperatures in the driving compartment. | 7th Dec 1936 | Box 89 \ 5 scan0001 | |
| Page two of a letter regarding an investigation into high front compartment temperatures in a Phantom III. | 7th Dec 1936 | Box 89 \ 5 scan0002 | |
| Letter explaining the denial of a works tour to a visitor due to Air Ministry regulations. | 13th Jan 1939 | Box 89 \ 5 scan0003 | |
| Letter to Capt. Gordon regarding the car's generator and the requirements for boiling water. | 17th Jan 1939 | Box 89 \ 5 scan0004 | |
| Letter to Paddon Brothers Ltd. regarding the engine of car 216.GA and its total weight. | 18th Jan 1939 | Box 89 \ 5 scan0005 | |
| Potential customer's request for increased electrical energy and the decision to hold action as a car order is not anticipated. | 23th Jan 1939 | Box 89 \ 5 scan0006 | |
| Letter discussing enclosed figures, a type of car, and a lunch meeting concerning 'Elephants'. | 6th Feb 1939 | Box 89 \ 5 scan0007 | |
| Letter from G.R.N. Minchin referencing Goshawk and Hawk engines and arranging a meeting. | 8th Feb 1939 | Box 89 \ 5 scan0008 | |
| Letter discussing the performance, specifications, and driving experience of a fast Bentley car. | 8th Feb 1939 | Box 89 \ 5 scan0009 | |
| Letter to G.R.N. Minchin, Esq. warning about the dangers of a very fast car. | 8th Feb 1939 | Box 89 \ 5 scan0010 | |
| Investigation report into bearing failure on chassis B.125-JY, attributing the fault to the driver. | 8th Feb 1939 | Box 89 \ 5 scan0011 | |
| Report page discussing the cause of big end bearing failures, attributing it to insufficient oil. | 8th Feb 1939 | Box 89 \ 5 scan0012 | |
| Letter from Peto & Radford to W.A. Robotham regarding a fast Bentley's performance and appearance. | 10th Feb 1939 | Box 89 \ 5 scan0013 | |
| Letter discussing electrical suppression for radio and television interference from the high tension circuit and dynamo. | 1st Mar 1939 | Box 89 \ 5 scan0014 | |
| Letter to Guy Knowles, Esq. regarding suppressors and the confidential nature of the information. | 1st Mar 1939 | Box 89 \ 5 scan0015 | |
| Credit request for 6 special raised crown pistons supplied for Chassis 74 M.R. | 21th Mar 1939 | Box 89 \ 5 scan0016 | |
| Mr. Worth's purchase of a Bentley. | 22th Mar 1939 | Box 89 \ 5 scan0017 | |
| Letter from a customer requesting reasonable attention for minor issues with their motor car. | 25th Mar 1939 | Box 89 \ 5 scan0018 | |
| Letter concerning work required on a second-hand 1935 3 1/2 litre Bentley, registration BLP 990. | 25th Mar 1939 | Box 89 \ 5 scan0019 | |
| Letter to S. Evershed recommending engine work for a Bentley B.L.P.990 to ensure trouble-free motoring. | 27th Mar 1939 | Box 89 \ 5 scan0020 | |
| Customer complaint from Sir James Wilson regarding his car's performance and a subsequent demonstration. | 27th Mar 1939 | Box 89 \ 5 scan0021 | |
| Solutions for a customer's vehicle regarding fuel mixture, detonation, gear ratios, and tyre specifications. | 27th Mar 1939 | Box 89 \ 5 scan0022 | |
| Telegram advising Vandervell Steelbak in London about the dispatch of a cylinder head. | 3rd Apr 1939 | Box 89 \ 5 scan0023 | |
| Request to dispatch cylinder head EB.2560 to St. Pancras for collection. | 3rd Apr 1939 | Box 89 \ 5 scan0024 | |
| Short memo confirming the dispatch time of a cylinder head from Derby to Vandervell Steelbak London. | 4th Apr 1939 | Box 89 \ 5 scan0025 | |
| Recurring dynamo failures and electrical system issues on Chassis No. 3.BT-65. | 2nd May 1939 | Box 89 \ 5 scan0026 | |
| Technical memo discussing dynamo and regulator issues under high-speed conditions for a customer's car. | 2nd May 1939 | Box 89 \ 5 scan0027 | |
| Letter from the Managing Director of Wellworthy Piston Rings Ltd. regarding modifications and repairs to his Bentley car. | 8th May 1939 | Box 89 \ 5 scan0028 | |
| Telegram to Howlett Wellworthy in Lymington regarding car modifications for larger tyres. | 9th May 1939 | Box 89 \ 5 scan0029 | |
| Short internal memo requesting confirmation that the engine cost is satisfactory. | 9th May 1939 | Box 89 \ 5 scan0030 | |
| Letter from Wellworthy Piston Rings Ltd. regarding arrangements to send a car for modifications and noting the cost of larger wheels. | 10th May 1939 | Box 89 \ 5 scan0031 | |
| Request to despatch five 6.50-17 India tyres and wheels for Mr. John Howlet's Bentley. | 12th May 1939 | Box 89 \ 5 scan0032 | |
| Letter discussing torque control and inquiring about the ownership of a 4-litre Humber. | 12th May 1939 | Box 89 \ 5 scan0033 | |
| Letter from Wellworthy Piston Rings Ltd. to W. A. Robotham regarding fitting bigger wheels to a car. | 16th May 1939 | Box 89 \ 5 scan0034 | |
| Confirmation of receiving five 6.50 x 17 India tyres for chassis B.93.HM and awaiting the car at the depot. | 18th May 1939 | Box 89 \ 5 scan0035 | |
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