| Description | Date | Identifier | |
| Confirmation of a telegram reporting an oil pressure drop issue that falls with a rise in temperature. | 16th Mar 1937 | Box 83 \ 1 scan0418 | |
| Valve failure and subsequent engine damage discovered in a car. | 17th Mar 1937 | Box 83 \ 1 scan0419 | |
| Damage to a car's brake drum and steering levers after over-running a tow cable. | 17th Mar 1937 | Box 83 \ 1 scan0420 | |
| Despatch of a faulty O.S.F. brake drum to Derby from Chateauroux, France. | 18th Mar 1937 | Box 83 \ 1 scan0421 | |
| The dispatch of new external filter parts and instructions for their fitting. | 19th Mar 1937 | Box 83 \ 1 scan0422 | |
| Explaining the reason for the temporary absence of Daily Report Sheets from France. | 19th Mar 1937 | Box 83 \ 1 scan0423 | |
| Request for a report on the condition of special red rubber hoses on cars 35-EX and 6.B.IV.x with a view to standardisation. | 20th Mar 1937 | Box 83 \ 1 scan0424 | |
| Status of car repairs, specifically a piston replacement for one vehicle and collection arrangements for another. | 20th Mar 1937 | Box 83 \ 1 scan0425 | |
| Loose off-side rear spring anchorage bracket and bolt size specifications. | 22th Mar 1937 | Box 83 \ 1 scan0426 | |
| Anchorage bolts on a Bentley Chassis (6-B-1V) following a 10,000-mile test. | 22th Mar 1937 | Box 83 \ 1 scan0427 | |
| Tests conducted regarding oil pressure drop on braking and the effects of filter element removal. | 23th Mar 1937 | Box 83 \ 1 scan0428 | |
| Two graphs illustrating oil pressure drop and recovery during braking and acceleration under various test conditions. | 23th Mar 1937 | Box 83 \ 1 scan0429 | |
| Two graphs illustrating oil pressure drop and recovery during braking and acceleration through gears. | 23th Mar 1937 | Box 83 \ 1 scan0430 | |
| From Chateauroux, France, confirming the diameter of bolts in response to a query. | 24th Mar 1937 | Box 83 \ 1 scan0431 | |
| Short memo confirming the diameter of bolts in response to a query. | 24th Mar 1937 | Box 83 \ 1 scan0432 | |
| From France about a broken No. 7 valve spring, its replacement, and its return for examination. | 4th Apr 1937 | Box 83 \ 1 scan0433 | |
| The failure of a turn coil and wind tone horns on vehicles 6.B.IV. & 35-EX. | 4th Apr 1937 | Box 83 \ 1 scan0434 | |
| Bolts that worked loose on Bentley rear spring anchorage brackets. | 5th Apr 1937 | Box 83 \ 1 scan0435 | |
| Failure of an aluminised front expansion box after 7,432 miles. | 5th Apr 1937 | Box 83 \ 1 scan0436 | |
| Cracked K.L.G. E.27 sparking plug after 8,000 miles. | 6th Apr 1937 | Box 83 \ 1 scan0437 | |
| Loose air silencer and its subsequent repair by tapping the body edge. | 6th Apr 1937 | Box 83 \ 1 scan0438 | |
| Breakages and modifications to the exhaust systems of cars 6-B-IV and 35-EX. | 7th Apr 1937 | Box 83 \ 1 scan0439 | |
| Return of a broken aluminised front expansion box from an exhaust system for examination. | 9th Apr 1937 | Box 83 \ 1 scan0440 | |
| Failed water temperature thermometer capillary, requesting a replacement and suggesting a design improvement for the joint. | 9th Apr 1937 | Box 83 \ 1 scan0441 | |
| Thick black gummy deposit on the dynamo commutator and badly worn brushes. | 11th Apr 1937 | Box 83 \ 1 scan0442 | |
| Confirmation of a telegram requesting spare parts for a broken exhaust valve. | 15th Apr 1937 | Box 83 \ 1 scan0443 | |
| The condition of used K.L.G. E.27 sparking plugs being sent for inspection after 12,000 miles. | 15th Apr 1937 | Box 83 \ 1 scan0444 | |
| Exhaust valve failure, detailing the subsequent damage to the piston and cylinder. | 15th Apr 1937 | Box 83 \ 1 scan0445 | |
| Proposal to delete two clips attaching the main oil pipe due to wear and risk of breakage. | 15th Apr 1937 | Box 83 \ 1 scan0446 | |
| Telegram received by telephone requesting replacement engine parts. | 15th Apr 1937 | Box 83 \ 1 scan0447 | |
| Exhaust valve failure which resulted in a broken piston and scored cylinder. | 15th Apr 1937 | Box 83 \ 1 scan0448 | |
| Wear on the main oil pipe and the intention to delete the attachment clips. | 15th Apr 1937 | Box 83 \ 1 scan0449 | |
| Confirming the forwarding of failed Delco parts and a dynamo fuse. | 16th Apr 1937 | Box 83 \ 1 scan0450 | |
| Sent from the Hotel de France in Chateauroux, regarding a summary of plug tests on 6.B.IV. | 18th Apr 1937 | Box 83 \ 1 scan0451 | |
| Results of testing Champion and K.L.G. sparking plugs on a Bentley 6.B.IV engine. | 19th Apr 1937 | Box 83 \ 1 scan0452 | |
| Arranging for the delivery of tyres for testing and requesting feedback on their performance. | 20th Apr 1937 | Box 83 \ 1 scan0453 | |
| Correcting a previous statement on sparking plug terminal clearance and detailing ongoing plug testing. | 20th Apr 1937 | Box 83 \ 1 scan0454 | |
| Report of a broken piston in a car and a request for the cause. | 21th Apr 1937 | Box 83 \ 1 scan0455 | |
| Post Office telegram requesting two pistons for car chassis 6 BIV. | 22th Jan 1932 | Box 83 \ 1 scan0456 | |
| Telegram received by telephone requesting two pistons. | 22th Apr 1937 | Box 83 \ 1 scan0457 | |
| Telegram received by telephone requesting two pistons for a 6 PIV. | 22th Apr 1937 | Box 83 \ 1 scan0458 | |
| Post Office telegram reporting an issue with a valve in cylinder number three of car 'Grylls Number Six'. | 22th Apr 1937 | Box 83 \ 1 scan0459 | |
| Telegram received by telephone. | 22th Apr 1936 | Box 83 \ 1 scan0460 | |
| Telegram received by telephone from Waller in Chateauroux regarding a Grylls valve and cylinder. | 22th Apr 1936 | Box 83 \ 1 scan0461 | |
| Telegram requesting spare engine parts following a valve failure. | 13th Apr 1920 | Box 83 \ 1 scan0462 | |
| Telegram reporting a broken exhaust valve on engine 6 BIV and requesting various replacement parts. | 22th Apr 1937 | Box 83 \ 1 scan0463 | |
| Telegram requesting parts for a broken exhaust valve on car 6 BIV Number 6. | 22th Apr 1937 | Box 83 \ 1 scan0464 | |
| Confirmation of a telegram regarding a valve for cylinder number three. | 22th Apr 1937 | Box 83 \ 1 scan0465 | |
| Telegram reporting a broken exhaust valve on car 6BIV and requesting replacement parts. | 22th Apr 1937 | Box 83 \ 1 scan0466 | |
| Communication clarifying details of a broken exhaust valve on a vehicle in France. | 22th Apr 1937 | Box 83 \ 1 scan0467 | |
| Broken piston caused by the failure of an exhaust valve. | 22th Apr 1937 | Box 83 \ 1 scan0468 | |
| Repeated exhaust valve failure, the dispatch of replacement parts, and recommended ignition settings. | 22th Apr 1937 | Box 83 \ 1 scan0469 | |
| The supply of K.L.G. sparking plugs for running experience. | 22th Apr 1937 | Box 83 \ 1 scan0470 | |
| Confirmation of a telegram requesting two pistons for vehicle chassis 6BIV. | 22th Apr 1937 | Box 83 \ 1 scan0471 | |
| Telex message to Waller in France regarding car 6.B. and a Delco engineer. | 27th Apr 1937 | Box 83 \ 1 scan0472 | |
| Telegram reporting the completion of a 10,000-mile test on new axle half shafts for the 35 EX purpose car. | 28th Apr 1937 | Box 83 \ 1 scan0473 | |
| The despatch of engine components for testing in France. | 23th Apr 1937 | Box 83 \ 1 scan0474 | |
| Valve failure, including details of a cracked exhaust valve being sent for inspection. | 25th Apr 1937 | Box 83 \ 1 scan0475 | |
| Accident report detailing a car skidding into a ditch near Châteauroux, France. | 29th Apr 1937 | Box 83 \ 1 scan0476 | |
| Test drive report and critique of a Bentley 6. B. IV vehicle. | 29th Apr 1937 | Box 83 \ 1 scan0477 | |
| Telegram reporting a car accident where a chassis skidded into a ditch and was significantly damaged. | 29th May 1932 | Box 83 \ 1 scan0478 | |
| Accident involving car 6.B.IV during a 15,000-mile test in France. | 1st May 1937 | Box 83 \ 1 scan0479 | |
| Photograph of the 'No 2 Bottom Half' component for a Bentley B56BN. | 31th Oct 1935 | Box 83 \ 1 scan0480 | |
| Photographic record of Halls Metal bearing halves, top and bottom, for a Bentley B6 BN. | 31th Oct 1935 | Box 83 \ 1 scan0481 | |
| Car repairs, personnel movements, and test updates from France. | 3rd May 1937 | Box 83 \ 2 scan0001 | |
| The transfer of a Tecalemit filter, road wheels, and other parts between two chassis. | 3rd May 1937 | Box 83 \ 2 scan0002 | |
| Conclusion of a vehicle trial following a serious accident. | 3rd May 1937 | Box 83 \ 2 scan0003 | |
| Testing and standardising a pressed blade type of fan for Wraith, Bentley, and 25/30 HP cars. | 4th May 1937 | Box 83 \ 2 scan0004 | |
| Typed memo regarding the return and unsafe condition of car 6.B.1V. | 4th May 1937 | Box 83 \ 2 scan0005 | |
| Wear on the pins and bushes of the anti-judder device on front brakes. | 4th May 1937 | Box 83 \ 2 scan0006 | |
| Vehicle's endurance and component test findings after completing its mileage. | 6th May 1937 | Box 83 \ 2 scan0007 | |
| Giving permission to dismantle 6-B-IV and requesting a list of damaged parts. | 7th May 1937 | Box 83 \ 2 scan0008 | |
| Request to rebuild a chassis after an accident, listing the required production and experimental parts. | 11th May 1937 | Box 83 \ 2 scan0009 | |
| List of engineering instructions and specifications for vehicle components, page 2. | 11th May 1937 | Box 83 \ 2 scan0010 | |
| List of specifications for engine, clutch, and electrical components. | 11th May 1937 | Box 83 \ 2 scan0011 | |
| Specifications for the bonnet and petrol pump with handwritten amendments. | 11th May 1937 | Box 83 \ 2 scan0012 | |
| Test drive report detailing multiple issues with a Bentley car. | 29th Apr 1937 | Box 83 \ 2 scan0013 | |
| Instruction memo for modifications to a Bentley 10,000 Miles Chassis. | 11th May 1937 | Box 83 \ 2 scan0014 | |
| Requesting permission for the delivery of a Bentley body to Messrs. Park Ward & Co.Ltd. | 11th May 1937 | Box 83 \ 2 scan0015 | |
| Parts and modifications required to rebuild a chassis after an accident. | 11th May 1937 | Box 83 \ 2 scan0016 | |
| List of specifications and instructions for various automotive components, continuing from a previous page. | 11th May 1937 | Box 83 \ 2 scan0017 | |
| Specification sheet detailing mechanical and electrical components for a vehicle. | 11th May 1937 | Box 83 \ 2 scan0018 | |
| Specifications for the bonnet and petrol pump, including materials and assembly instructions. | 11th May 1937 | Box 83 \ 2 scan0019 | |
| Letter to Park Ward & Co. Ltd. requesting an urgent estimate for accident repairs to a Bentley body. | 14th May 1937 | Box 83 \ 2 scan0020 | |
| Modifications required for a radiator for car O.B.1V. | 20th May 1937 | Box 83 \ 2 scan0021 | |
| Requesting a filter with olive joints be fitted to a 10,000 miles chassis. | 20th Sep 1937 | Box 83 \ 2 scan0022 | |
| Strip report on Engine Unit B.4 and Chassis 6.B.IV after 16,000 miles in France. | 21th May 1937 | Box 83 \ 2 scan0023 | |
| Inspection report detailing the condition of various engine components after a period of use. | 1st Jun 1937 | Box 83 \ 2 scan0024 | |
| The condition of a Delco Remy ignition distributor, valves, and a Borg and Beck flywheel and clutch assembly. | 21th May 1937 | Box 83 \ 2 scan0025 | |
| Inspection report detailing the condition of the flywheel, clutch, and gearbox assembly. | 21th May 1937 | Box 83 \ 2 scan0026 | |
| Inspection and condition report on a servo motor, chassis, rear axle, and associated components, detailing wear and damage. | 21th May 1937 | Box 83 \ 2 scan0027 | |
| Condition report on chassis and drivetrain components following an incident, covering the bevel wheel, axle-shafts, brakes, and propeller shaft. | 21th May 1937 | Box 83 \ 2 scan0028 | |
| Condition report on various vehicle components including the propeller shaft, springs, and dampers. | 21th May 1937 | Box 83 \ 2 scan0029 | |
| Accident damage report detailing the condition of steering, axle, and exhaust components. | 21th May 1937 | Box 83 \ 2 scan0030 | |
| Inspection report detailing the condition and wear of various vehicle components after an accident. | 21th May 1937 | Box 83 \ 2 scan0031 | |
| The wear of front spring pins and bushes, found to be normal. | 21th May 1937 | Box 83 \ 2 scan0032 | |
| Examination report on experimental electrical units removed from vehicle 6.B.IV. | 21th May 1937 | Box 83 \ 2 scan0033 | |
| Inspection report on various electrical ignition components including the foot switch, coils, and distributor. | 21th May 1937 | Box 83 \ 2 scan0034 | |
| Photograph showing G.B.IV. big end bearings and shims after 12,558 miles of use. | 21th May 1937 | Box 83 \ 2 scan0035 | |
| Photograph showing the condition of upper halves of main bearings after 15,000 miles of use in France. | 20th May 1937 | Box 83 \ 2 scan0036 | |
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