| Description | Date | Identifier | |
| Condition report on various vehicle components including engine, chassis, and bodywork. | 11th May 1935 | Box 82 \ 3 scan0270 | |
| Field report from France detailing issues with a stranded test car, including axle problems and notes on exhaust and cooling modifications. | 11th May 1935 | Box 82 \ 3 scan0271 | |
| Engineering solutions for a radiator, steering column, engine roughness, and water excluders. | 2nd May 1935 | Box 82 \ 3 scan0272 | |
| Inquiry to G.W. Hancock regarding the functionality of hydraulic jacks and any experienced failures. | 11th May 1935 | Box 82 \ 3 scan0273 | |
| Design information from a 15,000 miles test for a new Bentley, focusing on steering shocks, column whip, and road springs. | 13th May 1935 | Box 82 \ 3 scan0274 | |
| Report page discussing engine smoothness, the petrol tank, and a failure in the exhaust system. | 13th May 1935 | Box 82 \ 3 scan0275 | |
| Pivot failure during a 15,000-mile test and the subsequent performance of a replacement axle and leaf springs. | 13th May 1935 | Box 82 \ 3 scan0276 | |
| Photograph showing a broken mechanical component after extensive mileage testing. | 13th May 1935 | Box 82 \ 3 scan0277 | |
| Telex message confirming the dispatch of an axle to Paris, France. | 13th May 1935 | Box 82 \ 3 scan0278 | |
| Letter to a customer regarding car troubles, dispatched parts, and performance testing of a large bore engine. | 13th May 1935 | Box 82 \ 3 scan0279 | |
| Arrival of a Spectre and a 21-G-IV vehicle in France and related service delays. | 13th May 1935 | Box 82 \ 3 scan0280 | |
| Request for drawings and schemes to investigate a front axle pivot failure. | 14th May 1935 | Box 82 \ 3 scan0281 | |
| The examination of 4° axle pivots following a 10,000-mile test, finding them weaker than the standard pivot. | 14th May 1935 | Box 82 \ 3 scan0282 | |
| Failure of a pivot in France and recommending the standard pivot be strengthened. | 14th May 1935 | Box 82 \ 3 scan0283 | |
| Clarifying a serious stub axle failure during a 15,000 miles test, which was more severe than the initially reported pivot failure. | 14th May 1935 | Box 82 \ 3 scan0284 | |
| 4-degree front axle, requesting strengthened pivots and a set of Hartford pieces for testing. | 14th May 1935 | Box 82 \ 3 scan0285 | |
| Letter to G.W. Hancock in France concerning the testing of flexible road springs and strengthened pivots. | 14th May 1935 | Box 82 \ 3 scan0286 | |
| Blueprint comparing a standard component with a 4-degree prototype version. | 15th May 1935 | Box 82 \ 3 scan0287 | |
| Results of trials on a bumper bar, propeller shaft damper, and large bore engine performance. | 15th May 1935 | Box 82 \ 3 scan0288 | |
| Steering, handling, and braking issues, with comparisons to Bentley vehicles. | 15th May 1935 | Box 82 \ 3 scan0289 | |
| Improvements to road springs, dampers, and steering qualities for a vehicle. | 5th Apr 1935 | Box 82 \ 3 scan0290 | |
| Article from 'The Autocar' magazine by Warren Noble discussing the Torsilastic suspension system. | 5th Apr 1935 | Box 82 \ 3 scan0291 | |
| Article from 'The Autocar' magazine reviewing a new, smaller Packard model, detailing its mechanical features and bodywork. | 5th Apr 1935 | Box 82 \ 3 scan0292 | |
| Article from 'The Autocar' magazine detailing the design, application, and benefits of Torsilastic rubber suspension units. | 5th Apr 1935 | Box 82 \ 3 scan0293 | |
| Correspondence page from a motoring magazine featuring readers' letters on driving methods and vehicle performance. | 5th Apr 1935 | Box 82 \ 3 scan0294 | |
| Fitting a new front axle, detailing issues with steering column whip and worn engine mountings. | 15th May 1935 | Box 82 \ 3 scan0295 | |
| From France discussing vehicle faults including front road springs, a broken pivot, and a servo issue. | 16th May 1935 | Box 82 \ 3 scan0296 | |
| Pencil sketch on lined paper showing two views of a circular component with handwritten annotations. | 16th May 1935 | Box 82 \ 3 scan0297 | |
| Body troubles with experimental car 5-B-1V and arranging for coachbuilder Park Ward & Co. to inspect it. | 16th May 1935 | Box 82 \ 3 scan0298 | |
| Letter from coachbuilder Park Ward to Bentley Motors regarding potential body cracking on Experimental Saloon 5-B-IV. | 14th May 1935 | Box 82 \ 3 scan0299 | |
| Letter from coachbuilder Park Ward to Bentley Motors regarding bodywork issues with front pillars and a swaged roof panel. | 16th May 1935 | Box 82 \ 3 scan0300 | |
| Modifications to strengthen the Bentley front axle pivot. | 16th May 1935 | Box 82 \ 3 scan0301 | |
| Telegram reporting a collapsed bearing and damage to a journal and locating pieces. | 17th May 1935 | Box 82 \ 3 scan0302 | |
| Engine failure detailing a collapsed conrod bearing and subsequent repair efforts. | 17th May 1935 | Box 82 \ 3 scan0303 | |
| Crankshaft periods and engine vibrations on the Bentley, with an extract from a letter. | 20th May 1935 | Box 82 \ 3 scan0304 | |
| Twisted Bentley front axle returned from France and instructions for a new build and modifications. | 18th May 1935 | Box 82 \ 3 scan0305 | |
| Typed message slip requesting a telephone call to Mr. Hancock at the Hotel de France. | 18th May 1935 | Box 82 \ 3 scan0306 | |
| Requesting spare parts and detailing logistics for a 15,000-mile test in France. | 20th May 1935 | Box 82 \ 3 scan0307 | |
| Letter to G.W. Hancock discussing issues with a narrow pin crankshaft and the options for replacement. | 20th May 1935 | Box 82 \ 3 scan0308 | |
| Crankshaft periods and engine vibration on the Bentley, quoting a letter from Hancock. | 20th May 1935 | Box 82 \ 3 scan0309 | |
| Urgent request to photograph a broken pivot. | 23th May 1935 | Box 82 \ 3 scan0310 | |
| Confirming charges for the Experimental Saloon Bentley 5-B-IV are reasonable due to overtime worked. | 23th May 1935 | Box 82 \ 3 scan0311 | |
| Secret memo regarding Park Ward's invoice for modifications to an Experimental Bentley Saloon, 5-B-4. | 22th May 1935 | Box 82 \ 3 scan0312 | |
| Invoice from coachbuilders Park, Ward & Co Ltd for work on a 3 1/2-Litre Bentley chassis. | 15th May 1935 | Box 82 \ 3 scan0313 | |
| Letter discussing a potential cause for engine failure due to incorrectly fitted connecting rods and bearings. | 24th May 1935 | Box 82 \ 3 scan0314 | |
| Request to fit a modification of small, grooved intermediate bearings to a B-4-A unit for France. | 29th May 1935 | Box 82 \ 3 scan0315 | |
| Requesting links to locate Hancock's engine for an upcoming visit. | 29th May 1935 | Box 82 \ 3 scan0316 | |
| Bearing test results and proposing further tests on new bearing alloys. | 29th May 1935 | Box 82 \ 3 scan0317 | |
| Brief note arranging for a Park Ward representative to test a car. | 29th May 1935 | Box 82 \ 3 scan0318 | |
| Request for an opinion and mileage data on new type 550 x 18 tyres. | 30th May 1935 | Box 82 \ 3 scan0319 | |
| Dispatch note and fitting request for 2 Bentley Carburetter Float Chamber Lid Filters. | 30th May 1935 | Box 82 \ 3 scan0320 | |
| Crankshaft connecting rod pin and suspension test results for a Bentley Trials Car. | 21th May 1935 | Box 82 \ 3 scan0321 | |
| Querying a special gearbox rubber mounting and the status of an order for front engine mounting blocks. | 23th May 1935 | Box 82 \ 3 scan0322 | |
| From G.W.H. to Hs/Rm regarding the fitting of a new crankshaft and a delay with the gearbox. | 23th May 1935 | Box 82 \ 3 scan0323 | |
| Sending a Park Ward representative to France to test Experimental Car 8-B-1V, pending a secrecy review. | 25th May 1935 | Box 82 \ 3 scan0324 | |
| Engine bearing failures and connecting rod installation. | 26th May 1935 | Box 82 \ 3 scan0325 | |
| Multiple component failures, including issues with the crankshaft, con-rod caps, and front cross member. | 26th May 1935 | Box 82 \ 3 scan0326 | |
| Blueprint showing damage to a front cross member. | 27th May 1935 | Box 82 \ 3 scan0327 | |
| Letter concerning disappearing rivets, incorrectly fitted connecting rods, and arrangements to meet the owner in France. | 27th May 1935 | Box 82 \ 3 scan0328 | |
| Strengthened front brackets for a 'Jackalls' jacking system. | 27th May 1935 | Box 82 \ 3 scan0329 | |
| Failure report on a cracked front cross member, with a proposal to remove and weld it. | 28th May 1935 | Box 82 \ 3 scan0330 | |
| The unavailability of a chassis for testing by Park Ward's representative. | 28th May 1935 | Box 82 \ 3 scan0331 | |
| Urgent assembly of a new engine unit for C.W.H. in France. | 28th May 1935 | Box 82 \ 3 scan0332 | |
| Sending a replacement engine to a customer named Hancock and clarifying the customs duty process. | 28th May 1935 | Box 82 \ 3 scan0333 | |
| Fitment and performance of new front engine mounting rubbers. | 28th May 1935 | Box 82 \ 3 scan0334 | |
| The progress of obtaining a Staybrite exhaust pipe for GWH. | 29th May 1935 | Box 82 \ 3 scan0335 | |
| From France regarding vehicle testing, parts, engine performance and valve modifications. | 29th May 1935 | Box 82 \ 3 scan0336 | |
| Pencil sketch of an engine connecting rod with handwritten annotations. | 29th May 1935 | Box 82 \ 3 scan0337 | |
| Telegram received by telephone concerning a car being held up while awaiting remittance. | 30th May 1935 | Box 82 \ 3 scan0338 | |
| Request to fit a 10' clutch instead of a previously requested 11' clutch for a B-4-A Unit for GWH. | 30th May 1935 | Box 82 \ 3 scan0339 | |
| Short memo confirming arrival times and meeting arrangements at Le Bourget and Paris. | 30th May 1935 | Box 82 \ 3 scan0340 | |
| Damaged Jackall Jacks connections and an urgent request for funds. | 30th May 1935 | Box 82 \ 3 scan0341 | |
| Failure of narrow pin crankshaft bearings and proposals for improvements, including material tests. | 1st Jun 1935 | Box 82 \ 3 scan0342 | |
| Design of a 12-cylinder engine, crankshaft, and damper. | 1st Jun 1935 | Box 82 \ 3 scan0343 | |
| Big end loading in Bentley engines, comparing standard and large bore units. | 1st Jun 1935 | Box 82 \ 3 scan0344 | |
| Comparison of engine performance characteristics with a modified compression ratio and pin size. | 1st Jun 1935 | Box 82 \ 3 scan0345 | |
| Blueprint diagram illustrating the inertia loading on a Bentley engine's crankpin at 5000 RPM. | 29th May 1935 | Box 82 \ 3 scan0346 | |
| Polar plot diagram of inertia loading on a Bentley connecting rod big end bearing at 5000 RPM. | 29th May 1935 | Box 82 \ 3 scan0347 | |
| Polar diagram illustrating Bentley big end loading from gas pressure at a 6.5/1 compression ratio. | 30th May 1935 | Box 82 \ 3 scan0348 | |
| The condition of a spring centre clutch and a comparison of tyre performance. | 1st Jun 1935 | Box 82 \ 3 scan0349 | |
| Tyre performance and a broken crankshaft damper. | 3rd Jun 1935 | Box 82 \ 3 scan0350 | |
| Despatch of an engine unit to Hancock in France. | 3rd Jun 1935 | Box 82 \ 3 scan0351 | |
| Travel arrangements, specifically a flight from Croydon. | 30th May 1935 | Box 82 \ 3 scan0352 | |
| Information from Hancock about big end bearings and a potential solution for trouble with a No.3 connecting rod. | 1st Jun 1936 | Box 82 \ 3 scan0353 | |
| Diagram of a 3-cylinder connecting rod bottom cap with colour and state specifications. | 1st Jun 1936 | Box 82 \ 3 scan0354 | |
| Blueprint illustrating the condition of the bottom half and outside shell of a No. 3 connecting rod bearing. | 31th May 1935 | Box 82 \ 3 scan0355 | |
| Outlining the customs procedure for temporarily importing an engine into France to be fitted to a car under triptyque. | 31th May 1935 | Box 82 \ 3 scan0356 | |
| Letter sent from France concerning clutch repairs and the need to source a new crankshaft damper in Paris. | 3rd Jun 1935 | Box 82 \ 3 scan0357 | |
| Catastrophic engine failure where a con-rod broke through the crankcase, sent from France. | 4th Jun 1935 | Box 82 \ 3 scan0358 | |
| Chief items at 12,650 miles for a B. IV. Bentley after a 15,000-mile test in France, which was concluded due to body and engine failure. | 4th Jun 1935 | Box 82 \ 3 scan0359 | |
| Inspection report detailing the condition and wear of various engine components after mileage. | 4th Jun 1935 | Box 82 \ 3 scan0360 | |
| Condition report on engine and chassis components including valves, pumps, and the front axle. | 4th Jun 1935 | Box 82 \ 3 scan0361 | |
| Technical report on modifications and tests of steering, braking, and engine mounting systems. | 4th Jun 1935 | Box 82 \ 3 scan0362 | |
| The performance and condition of various vehicle components including pedals, gearbox, wheel arches, and axle. | 4th Jun 1935 | Box 82 \ 3 scan0363 | |
| The performance of various vehicle components, including axle seals, brakes, jacks, radiator, and exhaust systems. | 4th Jun 1935 | Box 82 \ 3 scan0364 | |
| Testing and condition of various automotive components. | 4th Jun 1935 | Box 82 \ 3 scan0365 | |
| Issues and observations on various car components such as floor boards, petrol system, wings, and dampers. | 4th Jun 1935 | Box 82 \ 3 scan0366 | |
| Inspection report on the condition of aerolite pistons, H.T. cables, ignition plugs, ignition contacts, and bodywork. | 4th Jun 1935 | Box 82 \ 3 scan0367 | |
| Test report detailing vehicle faults, performance statistics, and tyre usage. | 5th Jun 1935 | Box 82 \ 3 scan0368 | |
| Post Office Telegram instructing to leave an experimental car at a station. | 5th Jun 1935 | Box 82 \ 3 scan0369 | |
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