| Description | Date | Identifier | |
| Providing instructions for replacing a clutch and refitting associated bearings. | 16th Apr 1936 | Box 101 \ 1 scan0196 | |
| Engine development issues concerning valves, valve springs, and cylinder head casting for engine 22-G-V. | 17th Apr 1936 | Box 101 \ 1 scan0197 | |
| Component failure and reverting to original Bentley practice instructions. | 18th Apr 1936 | Box 101 \ 1 scan0198 | |
| Exhaust valve failures and an investigation into finned cylinder head castings. | 18th Apr 1936 | Box 101 \ 1 scan0199 | |
| Checklist of points to notice before a 10,000 miles test in France for car 22-G-IV. | 18th Apr 1936 | Box 101 \ 1 scan0200 | |
| Experimental new induction pipe casting to reduce vapour lock. | 18th Apr 1936 | Box 101 \ 1 scan0201 | |
| Ignition timing adjustments and spark plug experiments for the Big Bore 20/25 HP engine. | 18th Apr 1936 | Box 101 \ 1 scan0202 | |
| List of five points to be addressed before a 10,000 miles test in France. | 18th Apr 1936 | Box 101 \ 1 scan0203 | |
| Invoice for the hire of a lorry and driver to transport Experimental Car No. 22.G.V. | 18th Apr 1936 | Box 101 \ 1 scan0204 | |
| Elimination of clutch jaggers by fitting a propeller shaft damper. | 20th Apr 1936 | Box 101 \ 1 scan0205 | |
| Letter to G.W. Hancock in France regarding Bentley exhaust valve failures and clutch 'jaggering' issues. | 20th Apr 1936 | Box 101 \ 1 scan0206 | |
| High oil temperatures and radiator tests for a Bentley during trials in France. | 20th Apr 1936 | Box 101 \ 1 scan0207 | |
| Recovery of the broken-down Experimental Car No.22.G.V. and an attached invoice. | 21th Apr 1936 | Box 101 \ 1 scan0208 | |
| With a sketch showing which water holes to re-plug on a cylinder block and head before a car is dispatched to France. | 21th Apr 1936 | Box 101 \ 1 scan0209 | |
| Comparison of ignition governor specifications for the 20/25 and Bentley chassis. | 22th Apr 1936 | Box 101 \ 1 scan0210 | |
| Fitting a propeller shaft damper and the condition of the original shaft. | 22th Apr 1936 | Box 101 \ 1 scan0211 | |
| Letter to G.W. Hancock discussing issues with car 22-G-V, specifically the clutch, slow running, and carburettor setting. | 23th Apr 1936 | Box 101 \ 1 scan0212 | |
| Improvements to the engine cooling system and carburation settings. | 23th Apr 1936 | Box 101 \ 1 scan0213 | |
| Follow-up test report regarding a propeller shaft touching a crossmember and the proposed solution. | 23th Apr 1936 | Box 101 \ 1 scan0214 | |
| Water temperature and circulation issues in the 25/30 HP engine, based on radiator tests conducted at Brooklands. | 23th Apr 1936 | Box 101 \ 1 scan0215 | |
| Modification to reduce water loss, with plans to investigate the same on Bentley and Phantom III cars. | 23th Apr 1936 | Box 101 \ 1 scan0216 | |
| Radiator tests at Brooklands measuring water temperature differences between the engine and radiator under various conditions. | 31th Mar 1936 | Box 101 \ 1 scan0217 | |
| Radiator tests for Chassis No. 22 G V, recording water temperatures and shutter positions under various conditions. | 31th Aug 1936 | Box 101 \ 1 scan0218 | |
| Continued radiator tests at Brooklands for chassis 22 G V, comparing performance with a spring fitted versus removed. | 31th Mar 1936 | Box 101 \ 1 scan0219 | |
| Chassis alterations to resolve component fouling issues on a 25/30 HP model. | 24th Apr 1936 | Box 101 \ 1 scan0220 | |
| Reporting on the performance of a 25 HP car upon arrival in Paris, detailing oil consumption and handling. | 24th Apr 1936 | Box 101 \ 1 scan0221 | |
| Sketch of a piston and connecting rod assembly, indicating areas of heavy load and the con rod bearing surface. | 24th Apr 1936 | Box 101 \ 1 scan0222 | |
| Instructions to fit and test a new governor control unit on car B-56-BN for potential standardisation. | 24th Apr 1936 | Box 101 \ 1 scan0223 | |
| Tyre specifications, spark plug gaps, and valve & tappet clearance issues for car 22-G-V. | 24th Apr 1936 | Box 101 \ 1 scan0224 | |
| Valve types, tappet clearances, valve springs, and suspension components for various models. | 24th Apr 1936 | Box 101 \ 1 scan0225 | |
| Engine performance issues, including cylinder head passages, valve results, exhaust spitting, and a new breather design. | 24th Apr 1936 | Box 101 \ 1 scan0226 | |
| The initial performance review of a 25 HP car, noting oil consumption and clutch issues. | 24th Apr 1936 | Box 101 \ 1 scan0227 | |
| Transmittal slip sent to G.W. Hancock in France, attaching a copy of a previously mentioned memo. | 25th Apr 1936 | Box 101 \ 1 scan0228 | |
| Comparative performance of Bentley and 20/25 exhaust valves and the reasons for potential failures. | 25th Apr 1936 | Box 101 \ 1 scan0229 | |
| Technical discussion on engine component issues and potential improvements for the 20/25 model. | 25th Apr 1936 | Box 101 \ 1 scan0230 | |
| Requesting information on torsional crankshaft period and valve stretching. | 25th Apr 1936 | Box 101 \ 1 scan0231 | |
| Car accident in France involving vehicle 22. G. V. and the resulting damage. | 25th Apr 1936 | Box 101 \ 1 scan0232 | |
| Hand-drawn diagram in French illustrating a car accident at a crossroads. | 25th Nov 1936 | Box 101 \ 1 scan0233 | |
| Car requiring a front axle replacement following a traffic incident in Chateauroux. | 27th Apr 1936 | Box 101 \ 1 scan0234 | |
| Poor circulation in a cylinder head and proposed gasket modifications. | 27th Apr 1936 | Box 101 \ 1 scan0235 | |
| Blueprint showing the front view of a component with multiple circular cutouts and connection points. | 27th Apr 1936 | Box 101 \ 1 scan0236 | |
| Attaching a copy of a sketch and particulars of an accident involving 22-G-V. | 27th Apr 1936 | Box 101 \ 1 scan0237 | |
| Letter detailing a car accident in France, the damage sustained, and the subsequent agreement between parties. | 25th Apr 1936 | Box 101 \ 1 scan0238 | |
| Sourcing of a 25 HP front axle and road wheel from the Paris Depot for a car repair. | 27th Apr 1936 | Box 101 \ 1 scan0239 | |
| Propeller shaft fouling an aluminum temporary plate on a cross member. | 27th Apr 1936 | Box 101 \ 1 scan0240 | |
| Sourcing a front axle for a 25 HP car from the Paris Depot and an assessment of the vehicle's damage. | 27th Apr 1936 | Box 101 \ 1 scan0241 | |
| Confirmation of a telegram regarding the inability to obtain an axle from Paris for chassis 22G5. | 27th Apr 1936 | Box 101 \ 1 scan0242 | |
| Request for replacement parts for vehicles damaged during a 15,000-mile test in France. | 27th Apr 1936 | Box 101 \ 1 scan0243 | |
| Telegram received by telephone regarding the inability to obtain an axle from Paris. | 27th Apr 1936 | Box 101 \ 1 scan0244 | |
| Short typed message regarding the dispatch of an axle by plane to France. | 28th Apr 1936 | Box 101 \ 1 scan0245 | |
| Letter discussing axle shipment, Bentley valve stretching, and suggested tests for valve and plug clearances. | 28th Apr 1936 | Box 101 \ 1 scan0246 | |
| Cover memo for an accident report concerning vehicle 22-G-V. | 29th Apr 1936 | Box 101 \ 1 scan0247 | |
| First-person account of a road accident involving car 22-G-V. | 25th Apr 1936 | Box 101 \ 1 scan0248 | |
| Improvement to the coolant circulation and expressing doubt about altering the water holes in the gasket. | 29th Apr 1936 | Box 101 \ 1 scan0249 | |
| Instructions for conducting cooling system tests on chassis B-56-BN and 22-G-V. | 30th Apr 1936 | Box 101 \ 1 scan0250 | |
| Log of tappet clearance adjustments for engine 22-G-V C-16, detailing changes made to inlet and exhaust valves. | 30th Apr 1936 | Box 101 \ 1 scan0251 | |
| Field report from France detailing work on a front axle, a Bentley clutch, issues with a jack, and replacement of connecting rods. | 1st May 1936 | Box 101 \ 1 scan0252 | |
| Typed letter discussing oil pressure issues and potential solutions for a Bentley engine after high-speed use. | 5th May 1936 | Box 101 \ 1 scan0253 | |
| Failure of the pedals on model 22-G-V and recommending a modification for production cars. | 5th May 1936 | Box 101 \ 1 scan0254 | |
| Arrangements for a trip to Mount Ventoux with two cars, noting potential snow near the summit. | 6th May 1936 | Box 101 \ 1 scan0255 | |
| Arranging a meeting and trip to Mount Ventoux with two cars. | 6th May 1936 | Box 101 \ 1 scan0256 | |
| Technical memo from G.W.H. to Hs/Rm regarding oil supply issues in the 25/30 HP engine and other cases. | 7th May 1936 | Box 101 \ 1 scan0257 | |
| Strongly opposing a proposed steering wheel design change with two spokes at the top. | 7th May 1936 | Box 101 \ 1 scan0258 | |
| The availability of Mobiloil E.P. and Castrol Hi-Press axle oil in France. | 8th May 1936 | Box 101 \ 1 scan0259 | |
| Report detailing a road trip and the performance of 'the 20/1' and a Bentley car. | 8th May 1936 | Box 101 \ 1 scan0260 | |
| Vehicle test climb of Mont Ventoux, with performance data and temperature readings. | 8th May 1936 | Box 101 \ 1 scan0261 | |
| Test log for chassis B56BN detailing temperature readings and observations during a run. | 8th May 1936 | Box 101 \ 1 scan0262 | |
| The investigation of severe front brake jigger on a Bentley. | 8th May 1936 | Box 101 \ 1 scan0263 | |
| Road test report detailing a mountain climb of Mt. Vertouse, with vehicle performance observations and temperature readings. | 8th May 1936 | Box 101 \ 1 scan0264 | |
| Test report on a Bentley vehicle detailing engine temperatures, pre-ignition, and front brake jagge issues. | 8th May 1936 | Box 101 \ 1 scan0265 | |
| Water temperature and carburation tests conducted during climbs on Mt. Vertoux. | 10th May 1936 | Box 101 \ 1 scan0266 | |
| Table of performance data recording various temperatures at increasing altitude and distance. | 10th May 1936 | Box 101 \ 1 scan0267 | |
| Engine misfiring issues related to petrol quality and spark plug gaps, and a growling noise from the rear axle. | 10th May 1936 | Box 101 \ 1 scan0268 | |
| Severe front wheel braking judder, detailing the issues found and suggesting a redesign. | 10th May 1936 | Box 101 \ 1 scan0269 | |
| Reporting on a noisy rear axle and other vehicle issues from Chateauroux. | 13th May 1936 | Box 101 \ 1 scan0270 | |
| Brake faults, including a seized toggle shaft and squeaking, with findings from an investigation on vehicle 22.G.V. | 13th May 1936 | Box 101 \ 1 scan0271 | |
| Adjustments made to brake springs and shoes to address squeaking. | 13th May 1936 | Box 101 \ 1 scan0272 | |
| 10,000 miles test report on Engine Unit I6 and torque reaction dampers. | 15th Apr 1936 | Box 101 \ 1 scan0273 | |
| Performance report on engine and clutch components following mileage testing. | 15th Apr 1936 | Box 101 \ 1 scan0274 | |
| The condition of the Flywheel, Clutch, Gear Box, Servo, Steering, and Brakes, with notes on modifications and performance. | 15th Apr 1936 | Box 101 \ 1 scan0275 | |
| The testing and modifications of radiator, exhaust, and hydraulic damper systems. | 15th Apr 1936 | Box 101 \ 1 scan0276 | |
| Technical report on the performance and issues of various vehicle components including anchor brackets, propeller shaft, rear axle, petrol tank, and fan. | 15th Apr 1936 | Box 101 \ 1 scan0277 | |
| The performance of pedals, carburetter, and various electrical components including the starter motor, dynamo, lamps, and ignition. | 15th Apr 1936 | Box 101 \ 1 scan0278 | |
| Bodywork faults for a Thrupp & Maberley body, detailing repairs and vehicle performance data. | 20th May 1936 | Box 101 \ 1 scan0279 | |
| 20/25 HP axle failure during a 15,000-mile test on car 22-G-V. | 20th May 1936 | Box 101 \ 1 scan0280 | |
| Inquiring about the manufacturing location of a failed 25/30 HP axle to assign responsibility. | 21th May 1936 | Box 101 \ 1 scan0281 | |
| 25/30 HP axle failure during a 15,000 miles test, assigning responsibility to the Experimental Department. | 22th May 1936 | Box 101 \ 1 scan0282 | |
| Endurance test plan for a 20/25 engine in France, detailing upcoming modifications and tests. | 5th Jun 1936 | Box 101 \ 1 scan0283 | |
| Technical report on issues with the clutch, gearbox, and carburettor for the 32-EX model. | 5th Jun 1936 | Box 101 \ 1 scan0284 | |
| Vehicle testing, detailing issues and proposed modifications for brakes, steering, cooling, and petrol supply systems. | 5th Jun 1936 | Box 101 \ 1 scan0285 | |
| Provisional standardisation sheet and test request for unbalanced radiator shutters for the 22-C-V model. | 8th Jun 1936 | Box 101 \ 1 scan0286 | |
| Carburettor performance during severe braking, noting no petrol comes from the float chamber vent pipe. | 11th Jun 1936 | Box 101 \ 1 scan0287 | |
| Alarmingly short life of chamfered edge tyres compared to standard tyres. | 12th Jun 1936 | Box 101 \ 1 scan0288 | |
| Correspondence about fitting and standardizing a rubber-mounted thermometer union. | 13th Jun 1936 | Box 101 \ 1 scan0289 | |
| Modified Phantom III ignition distributor and a comparison of old and new radiators. | 15th Jun 1936 | Box 101 \ 1 scan0290 | |
| Vehicle test report detailing radiator performance, bodywork issues, and brake wear. | 15th Jun 1936 | Box 101 \ 1 scan0291 | |
| Oil leak from the valve rocker cover and loose bolts on the cantilever pedal shaft. | 16th Jun 1936 | Box 101 \ 1 scan0292 | |
| Blueprint illustrating the 22 G.V Cantilever Pedal Shaft and an issue with loose nuts. | 14th Jun 1936 | Box 101 \ 1 scan0293 | |
| Instructions for fitting a new radiator to chassis 22-G-V, specifically regarding the calorstat spring. | 16th Jun 1936 | Box 101 \ 1 scan0294 | |
| Investigation into a Marles type steering box failure, detailing damage found and requesting information for reassembly. | 17th Jun 1936 | Box 101 \ 1 scan0295 | |
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