| Description | Date | Identifier | |
| Letter concerning water leakage from a thermometer union and sending new rubber sleeves for fitting. | 24th Sep 1936 | Box 83 \ 1 scan0218 | |
| Confirming the dispatch of replacement Delco-Remy distributor parts for testing. | 25th Sep 1936 | Box 83 \ 1 scan0219 | |
| Issues found with the clutch, engine timing case, and gearbox for a Phantom III. | 26th Sep 1936 | Box 83 \ 1 scan0220 | |
| Engine 6-B-IV detailing a comparison test and an investigation into crankshaft journal wear. | 25th Sep 1936 | Box 83 \ 1 scan0221 | |
| Inspection report detailing bearing measurements and analysis of wear. | 25th Sep 1936 | Box 83 \ 1 scan0222 | |
| Analysis of bearing wear and fit, with measurements taken with and without paper packings to determine slackness. | 25th Sep 1936 | Box 83 \ 1 scan0223 | |
| Analysis of connecting rod crankshaft pin measurements and a report on suspected conrod flapping from a 3½ Litre Bentley. | 25th Sep 1936 | Box 83 \ 1 scan0224 | |
| Inspection report on polished markings on gudgeon pins and piston tops, and the measurement of cylinder bores for 6-B-IV. | 25th Sep 1936 | Box 83 \ 1 scan0225 | |
| Cylinder block wear measurement report after 15,000 miles. | 25th Sep 1936 | Box 83 \ 1 scan0226 | |
| Results of an engine rebuild and component examination. | 27th Sep 1936 | Box 83 \ 1 scan0227 | |
| Requesting the dispatch of replacement rubber gland packings due to a water leakage issue. | 29th Sep 1936 | Box 83 \ 1 scan0228 | |
| Requesting further particulars regarding wear on a 6-B-IV clutch. | 29th Sep 1936 | Box 83 \ 1 scan0229 | |
| The progress of testing and modifications on a Bentley car. | 29th Sep 1936 | Box 83 \ 1 scan0230 | |
| Letter concerning the return of a Bentley and financial matters related to the French franc exchange rate. | 30th Sep 1936 | Box 83 \ 1 scan0231 | |
| The testing status of the Bentley 8-B-IV, including carburetter fitting and its expected return to Derby. | 30th Sep 1936 | Box 83 \ 1 scan0232 | |
| Front and rear brake adjustment settings at 15,000 miles. | 30th Sep 1936 | Box 83 \ 1 scan0233 | |
| Leak from an insulated thermometer union and advising on its prevention. | 30th Sep 1936 | Box 83 \ 1 scan0234 | |
| Instructions and issues related to vehicle testing in London, specifically for car 35-EX, a Phantom, and a Bentley. | 2nd Oct 1936 | Box 83 \ 1 scan0235 | |
| Clarifying a point about the wearing of fingers on a 6-B-IV clutch. | 2nd Oct 1936 | Box 83 \ 1 scan0236 | |
| Comparative test results for small and large induction pipes on a Bentley 6-B-IV. | 2nd Oct 1936 | Box 83 \ 1 scan0237 | |
| Kilometer rolling start test and the effects of different induction pipes. | 9th Oct 1936 | Box 83 \ 1 scan0238 | |
| Instructions for component removal and replacement on the 6-B-IV 15,000-mile test car for further examination and testing. | 9th Oct 1936 | Box 83 \ 1 scan0239 | |
| 17,000-mile test report in France for a 6.B.IV.Bentley, focusing on engine performance. | 10th Oct 1936 | Box 83 \ 1 scan0240 | |
| Investigation into crankshaft and main bearing failures, wear, and subsequent modifications. | 10th Oct 1936 | Box 83 \ 1 scan0241 | |
| Technical report detailing the performance and condition of engine mountings, dampers, crankshaft, and connecting rods. | 10th Oct 1936 | Box 83 \ 1 scan0242 | |
| Engine component condition, modifications, and performance following mileage testing. | 10th Oct 1936 | Box 83 \ 1 scan0243 | |
| Engine component testing, detailing valve wear, induction system comparisons, and performance notes. | 10th Oct 1936 | Box 83 \ 1 scan0244 | |
| Report page detailing performance and testing of engine components like the carburetter, oil pump, and various filters. | 10th Oct 1936 | Box 83 \ 1 scan0245 | |
| The performance of the wheelcase, oil relief valve, controls, fan, and ignition components. | 10th Oct 1936 | Box 83 \ 1 scan0246 | |
| Performance and modifications for the ignition distributor, flywheel, clutch, and water pump. | 10th Oct 1936 | Box 83 \ 1 scan0247 | |
| Performance and wear on a gearbox, servo motor, and transmission components after extensive mileage. | 10th Oct 1936 | Box 83 \ 1 scan0248 | |
| Performance, failures, and modifications of various chassis and suspension components. | 10th Oct 1936 | Box 83 \ 1 scan0249 | |
| Vehicle suspension performance, ride quality, and buffer clearances after testing. | 10th Oct 1936 | Box 83 \ 1 scan0250 | |
| Steering system modifications, issues encountered, and performance analysis. | 12th Aug 1936 | Box 83 \ 1 scan0251 | |
| The performance and condition of various chassis components after road testing. | 12th Aug 1936 | Box 83 \ 1 scan0252 | |
| Brake performance issues, axle control modifications, and petrol tank design flaws. | 12th Aug 1936 | Box 83 \ 1 scan0253 | |
| Test report on modifications to exhaust fittings, radiator, and radiator shutters, detailing performance issues and failures. | 12th Aug 1936 | Box 83 \ 1 scan0254 | |
| The performance and issues of various electrical components. | 12th Aug 1936 | Box 83 \ 1 scan0255 | |
| Faults and performance of vehicle components including the petrol gauge, pump, ignition coil, and bodywork. | 12th Aug 1936 | Box 83 \ 1 scan0256 | |
| Performance and consumption report for a 6. B. IV. Bentley. | 15th Oct 1936 | Box 83 \ 1 scan0257 | |
| Missed failure and subsequent observation of a Superflexit Petrol Pipe. | 15th Oct 1936 | Box 83 \ 1 scan0258 | |
| Instruction to replace a servo motor on car 6-B-IV with one from car 21-G-IV. | 19th Oct 1936 | Box 83 \ 1 scan0259 | |
| Slow running tests for a Bentley engine, comparing different non-standard parts. | 23th Oct 1936 | Box 83 \ 1 scan0260 | |
| Ignition timing and the effects of carburetter sizes on a deturbulated cylinder head. | 23th Oct 1936 | Box 83 \ 1 scan0261 | |
| The examination of the 6-B-1V crankshaft and flywheel assembly to determine the cause of imbalance. | 26th Oct 1936 | Box 83 \ 1 scan0262 | |
| Potential for standardisation following a 15,000-mile test in France. | 28th Oct 1936 | Box 83 \ 1 scan0263 | |
| Creating and distributing a pamphlet for 4¼-litre Bentley owners concerning the unnecessary over-revving of engines in lower gears. | 28th Oct 1936 | Box 83 \ 1 scan0264 | |
| Listing parts standardized or submitted for standardization following a 15,000-mile vehicle test. | 29th Oct 1936 | Box 83 \ 1 scan0265 | |
| Request to examine the condition of P. R type rubber water connections and Klingerite washers after 15,000 miles of use. | 31th Oct 1936 | Box 83 \ 1 scan0266 | |
| Instructions for modifying a matrix for a Bentley Bump Radiator. | 30th Oct 1936 | Box 83 \ 1 scan0267 | |
| Cracked Bentley Chassis Wing Brackets, including a sketch of the failure. | 2nd Nov 1936 | Box 83 \ 1 scan0268 | |
| The condition of a Bentley Chassis and Engine Unit after a 17,000-mile test in France. | 6th Nov 1930 | Box 83 \ 1 scan0269 | |
| Inspection report detailing the condition of various engine components and suggesting future actions. | 6th Nov 1936 | Box 83 \ 1 scan0270 | |
| Component wear and failures for a crankshaft, spring drive, oil pump, wheelcase and oil filter. | 6th Nov 1936 | Box 83 \ 1 scan0271 | |
| Condition report detailing wear and issues with water connections, air intake, axle, and brakes. | 6th Nov 1936 | Box 83 \ 1 scan0272 | |
| Inspection report detailing the condition and wear on various vehicle components such as hubs, steering, springs, and clutch. | 6th Nov 1936 | Box 83 \ 1 scan0273 | |
| Condition report on the servo motor, rear axle, and rear brakes. | 6th Nov 1936 | Box 83 \ 1 scan0274 | |
| Faults and wear on various vehicle components including the hub, suspension, and engine guard. | 6th Nov 1936 | Box 83 \ 1 scan0275 | |
| Test report on the inspection of ignition components on 6B IV. | 28th Oct 1936 | Box 83 \ 1 scan0276 | |
| Breakage caused by an insecurely fastened terminal plate and associated coil problems. | 30th Oct 1936 | Box 83 \ 1 scan0277 | |
| Examination report on electrical units removed from a B.22 engine unit. | 30th Oct 1936 | Box 83 \ 1 scan0278 | |
| Dimension and wear report for a crankshaft, main bearings, and big-end bearings following a test. | 18th Nov 1936 | Box 83 \ 1 scan0279 | |
| Table of measurements showing wear on inlet and exhaust valves after a 17,000-mile test. | 4th Nov 1935 | Box 83 \ 1 scan0280 | |
| Blueprint illustrating a broken centre support bracket for a radiator after a 17,000-mile test. | 4th Nov 1936 | Box 83 \ 1 scan0281 | |
| Table of pre-test and post-test measurements for Aerolite piston profiles. | 26th Jun 1936 | Box 83 \ 1 scan0282 | |
| Blueprint diagram showing carbon deposits on engine inlet ports after a 17,000 miles test. | 5th Nov 1936 | Box 83 \ 1 scan0283 | |
| Blueprint showing cracks in the front engine suspension centre socket after a 17,000-mile test. | 7th Nov 1936 | Box 83 \ 1 scan0284 | |
| Blueprint diagram illustrating wear on a Borg and Beck clutch after a 17,000-mile road test in France. | 17th Nov 1936 | Box 83 \ 1 scan0285 | |
| Drawing illustrating two cracks on an inner frame for an air inlet, part of an air cleaner and silencer, after a 17,000-mile test in France. | 31th Oct 1936 | Box 83 \ 1 scan0286 | |
| Diagrams showing a front axle's off-side and near-side condition after a 17,000-mile test in France. | 7th Nov 1936 | Box 83 \ 1 scan0287 | |
| Sketch showing wear on front axle control spindle FB.2610 caused by bush FB.2609. | 6th Nov 1936 | Box 83 \ 1 scan0288 | |
| Drawing of an off-side rear axle shaft highlighting a discrepancy regarding sharp edges versus a specified radius. | 7th Nov 1936 | Box 83 \ 1 scan0289 | |
| Request to modify the rear axle pinion mounting by replacing the roller bearing and machining off a shoulder. | 9th Nov 1936 | Box 83 \ 1 scan0290 | |
| Requesting a list of required parts for updating a Bentley and fitting it with a new body. | 10th Nov 1936 | Box 83 \ 1 scan0291 | |
| From 'Rm' to 'HPS' enquiring about the readiness of new radius rods for car 5-B-IV. | 10th Nov 1936 | Box 83 \ 1 scan0292 | |
| The protection scheme for the oil feed pipe on a Bentley Chassis 6.B.IV. | 11th Nov 1936 | Box 83 \ 1 scan0293 | |
| Requesting a list of non-standard features for a 10,000-mile Bentley test car destined for France. | 11th Nov 1936 | Box 83 \ 1 scan0294 | |
| Review and scheduling for specification B.56.BN. | 11th Nov 1936 | Box 83 \ 1 scan0295 | |
| Specification sheet for model B.56.BN for the fitting shop. | 11th Nov 1936 | Box 83 \ 1 scan0296 | |
| List of modifications and checks for a vehicle's petrol tank, dashboard, electrical system, and pumps. | 11th Nov 1936 | Box 83 \ 1 scan0297 | |
| Bentley Chassis 6-B-1V, detailing issues with an experimental servo motor and subsequent material alterations to its levers. | 12th Nov 1936 | Box 83 \ 1 scan0298 | |
| Proposed chassis and engine specifications for the 15,000 Miles Bentley. | 20th Nov 1936 | Box 83 \ 1 scan0299 | |
| List of engine component specifications including valves, crank damper, and ignition parts. | 20th Nov 1936 | Box 83 \ 1 scan0300 | |
| List of chassis modifications for a Bentley 10,000 miles test. | 20th Nov 1936 | Box 83 \ 1 scan0301 | |
| Continuation of a list detailing specifications and changes for a vehicle chassis. | 20th Nov 1936 | Box 83 \ 1 scan0302 | |
| List of modifications and components for a rebuilt B.1V engine and its electrical system. | 20th Nov 1936 | Box 83 \ 1 scan0303 | |
| Specifications for dynamo brushes and battery box. | 20th Nov 1936 | Box 83 \ 1 scan0304 | |
| Instructions for preparing and fitting Girling brakes for a 10,000-mile test on chassis 6-B-IV. | 21th Nov 1936 | Box 83 \ 1 scan0305 | |
| Requesting to change the material for propeller shaft damper flywheels to cast iron to reduce production costs. | 23th Nov 1936 | Box 83 \ 1 scan0306 | |
| Fitting of a 25/30 R.R. pump on chassis 6.B.1V. | 27th Nov 1936 | Box 83 \ 1 scan0307 | |
| Instruction to remove front engine tie-links from car B.23.AE and fit them to another car for testing in France. | 30th Dec 1936 | Box 83 \ 1 scan0308 | |
| Request to replace a seized propeller shaft damper with a standard one. | 30th Dec 1936 | Box 83 \ 1 scan0309 | |
| Pendulum Lever for a Bentley Chassis 6-B-IV, detailing its manufacture and usage limitations. | 31th Dec 1936 | Box 83 \ 1 scan0310 | |
| Modifications to prevent the Girling brake equalizer on the front axle from hitting the radiator. | 31th Dec 1936 | Box 83 \ 1 scan0311 | |
| Major foul on car 6.B.IV and a customer's overdrive request for car 38-EX. | 31th Dec 1936 | Box 83 \ 1 scan0312 | |
| Confirming the air mail dispatch of a set of fan blades and a balance weight for testing. | 4th Jan 1936 | Box 83 \ 1 scan0313 | |
| From France requesting tyres for vehicle 6.B.IV and reporting on crankcase modifications. | 5th Jan 1936 | Box 83 \ 1 scan0314 | |
| Arranging a driver and team for car 3.B.IV. | 5th Jan 1936 | Box 83 \ 1 scan0315 | |
| Telegram reporting a connecting rod failure due to metal growing and seizing. | 6th Jan 1937 | Box 83 \ 1 scan0316 | |
| The shipment of a drum of 'Rolls-Royce EP Oil' to Chateauroux, with instructions to replace the existing Hi-press oil in a vehicle's back axle. | 6th Jan 1937 | Box 83 \ 1 scan0317 | |
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