| Description | Date | Identifier | |
| Requesting the despatch of 5 Bentley hub caps to Messrs. Park Ward & Co. Ltd. for painting. | 11th May 1939 | Box 111 \ 3 scan0094 | |
| Requesting an official order be passed to Park Ward & Co. Ltd. for painting a set of Bentley wheel caps. | 11th May 1939 | Box 111 \ 3 scan0095 | |
| Issue with the change speed lever on a Bentley 50 car, attributing it to clutch casing deflection. | 15th May 1939 | Box 111 \ 3 scan0096 | |
| Road spring data including load on each wheel, loads on springs, spring rates, and roll ratings. | 19th May 1939 | Box 111 \ 3 scan0097 | |
| Data sheet detailing front and rear wheel movements and spring hysteresis values. | 19th May 1939 | Box 111 \ 3 scan0098 | |
| Letter from coachbuilder Park Ward & Co Ltd regarding instructions to spray wheel caps for chassis No. 3.B.50. | 19th May 1939 | Box 111 \ 3 scan0099 | |
| Change of interleaving material on an N.S. rear road spring before a car is sent to France. | 20th May 1939 | Box 111 \ 3 scan0100 | |
| List of jobs and faults requiring attention on a car received from the Fitting Shop. | 24th May 1939 | Box 111 \ 3 scan0101 | |
| List of faults found and modifications carried out on a vehicle in the Fitting Shop. | 8th May 1939 | Box 111 \ 3 scan0102 | |
| List of steering faults, being page 3 of a larger document. | 31th May 1939 | Box 111 \ 3 scan0103 | |
| Test run report detailing fuel consumption and a list of criticisms for a vehicle. | 31th May 1939 | Box 111 \ 3 scan0104 | |
| Request to reline a servo with a genuine VG.90 disc, replacing the currently fitted RU disc. | 12th Jun 1939 | Box 111 \ 3 scan0105 | |
| The performance of a B.50 model fitted with a cast iron engine and twin exhaust system. | 16th Jun 1939 | Box 111 \ 3 scan0106 | |
| Report comparing petrol consumption and performance of two cars, J.B.50 and 28.G.VI, at Brooklands. | 16th Jun 1939 | Box 111 \ 3 scan0107 | |
| Performance comparison table for vehicles with different exhaust system and carburettor configurations. | 24th Jun 1939 | Box 111 \ 3 scan0108 | |
| Instructing the preparation of parts for a simple type rear engine suspension for the 3.B.50 car. | 24th Jun 1939 | Box 111 \ 3 scan0109 | |
| List of required work on car 3.B.50 before it goes to France. | 24th Jun 1939 | Box 111 \ 3 scan0110 | |
| List of technical updates for brakes, hubs, suspension, and electrical systems. | 24th Jun 1939 | Box 111 \ 3 scan0111 | |
| List of modifications and instructions for various vehicle systems, including electrical, transmission, and exhaust. | 24th Jun 1939 | Box 111 \ 3 scan0112 | |
| Modifications to body mountings and noise analysis for car 3.B.50. | 27th Jun 1939 | Box 111 \ 3 scan0113 | |
| Body and steering issues, with comparative notes and suggestions for two car models. | 27th Jun 1939 | Box 111 \ 3 scan0114 | |
| Issues with radiator slats, front seat cushions, and dash framing. | 27th Jun 1939 | Box 111 \ 3 scan0115 | |
| Propeller shafts, ordering new centre bearings and specifying an alternative arrangement. | 30th Jun 1939 | Box 111 \ 3 scan0116 | |
| Front engine suspension for a B.60 engine mock-up in a 3.B.50 chassis. | 3rd Jul 1939 | Box 111 \ 3 scan0117 | |
| Modifications to the fan and top water connection for a B.60 engine in chassis 3.B.50. | 5th Jul 1939 | Box 111 \ 3 scan0118 | |
| Official order for two rubber hose connections from Leyland & Birmingham Rubber Co. | 11th Jul 1939 | Box 111 \ 3 scan0119 | |
| Request to include greater capacity Timken differential bearings on model 3.B.50 before it goes to France. | 12th Jul 1939 | Box 111 \ 3 scan0120 | |
| Parts to be fitted to a car, chassis 3.B.50, before it goes to France. | 13th Jul 1939 | Box 111 \ 3 scan0121 | |
| Machining operation on an EXS.1383 head. | 19th Jul 1939 | Box 111 \ 3 scan0122 | |
| The specification for B.V. Gearbox No.12 and its use in car 3.B.50. | 26th Jul 1939 | Box 111 \ 3 scan0123 | |
| Arrangements for loaning and testing experimental cars during camp. | 12th Aug 1939 | Box 111 \ 3 scan0124 | |
| Confirming a request to fit a new ribbed clutch casing to a chassis for a 10,000-mile test. | 14th Aug 1939 | Box 111 \ 3 scan0125 | |
| The build requirements for the steering column, including alternative materials. | 14th Aug 1939 | Box 111 \ 3 scan0126 | |
| List of modifications to be carried out on a car before export to France. | 21th Aug 1939 | Box 111 \ 3 scan0127 | |
| Investigation into fitting a rubber-mounted steering box and a list of required parts. | 29th Aug 1939 | Box 111 \ 3 scan0128 | |
| From Sg. to Rm. requesting to borrow a Bentley Cresta for a trip to Gloucester. | 24th Jan 1940 | Box 111 \ 3 scan0129 | |
| Dark green Silver Dawn development car (chassis 3.B.50) with experimental features. | 24th Jan 1940 | Box 111 \ 3 scan0130 | |
| Arranging a test run to Gloucester and requesting pre-run modifications for criticism. | 24th Jan 1940 | Box 111 \ 3 scan0131 | |
| List of repair and fitting work to be carried out on a Bentley 3.B.50 car. | 25th Jan 1940 | Box 111 \ 3 scan0132 | |
| Damaged electrical units on car 3.B.50 and arranging for their repair. | 2nd Feb 1940 | Box 111 \ 3 scan0133 | |
| Rattling brake shoes on a Bentley 3.B.50. | 3rd Feb 1940 | Box 111 \ 3 scan0134 | |
| Reporting a recurring dynamo charging fault on car 3.B.50 due to a faulty relay switch. | 3rd Feb 1940 | Box 111 \ 3 scan0135 | |
| The replacement of rear spring interleaving with Spaldite and Tufnol tips. | 9th Feb 1940 | Box 111 \ 3 scan0136 | |
| List of work to be carried out on car 3-B-50, including engine, carburetter, and chassis modifications. | 13th Mar 1940 | Box 111 \ 3 scan0137 | |
| Request to arrange for the commutator of a dynamo from vehicle 3.B.50 to be skimmed. | 16th Mar 1940 | Box 111 \ 3 scan0138 | |
| Engine failure on car 3 B.50 due to a blocked petrol filter and proposing a new post-war service scheme. | 1st Apr 1940 | Box 111 \ 3 scan0139 | |
| Providing an order number for petrol supplied to 3 B.50. | 9th Apr 1940 | Box 111 \ 3 scan0140 | |
| Procedure for steering tests focused on wheel and hub balance. | 8th Aug 1940 | Box 111 \ 3 scan0141 | |
| Official order be sent to F. Humpston for making and fitting an exhaust downtake pipe to car 3.B.50. | 1st Sep 1940 | Box 111 \ 3 scan0142 | |
| Reference note regarding a letter to Messrs Park Ward & Co., Ltd about limousine bodies. | 19th Sep 1940 | Box 111 \ 3 scan0143 | |
| Road test memorandum on a car's performance, noting road holding, braking, engine roughness, and vibrations. | 15th Oct 1940 | Box 111 \ 3 scan0144 | |
| Test report memo detailing a car's performance, noting issues with brakes, engine roughness, and vibration. | 15th Oct 1940 | Box 111 \ 3 scan0145 | |
| Proposed rationalised replacement for the Wraith model, designated 3.B.50. | 26th Nov 1940 | Box 111 \ 3 scan0146 | |
| New car design's features, comparing them to the Wraith model, and noting a speedometer discrepancy. | 26th Nov 1940 | Box 111 \ 3 scan0147 | |
| Comparison of specifications for two car models, W.M.B. 11 and S.B.50. | 26th Nov 1940 | Box 111 \ 3 scan0148 | |
| Comparison of body dimensions for the Wraith III Continental Touring Limousine and the 3.B.50 model. | 26th Nov 1940 | Box 111 \ 3 scan0149 | |
| Outlining proposed tests for the 3.B.30 chassis, focusing on judder, braking, and cooling. | 24th Dec 1940 | Box 111 \ 3 scan0150 | |
| Tests on wheel hubs, drums, and a mechanical petrol pump. | 24th Dec 1940 | Box 111 \ 3 scan0151 | |
| Outlining proposed tests for the 3.B.50 chassis, focusing on judder, brake lining wear, and brake drum cooling. | 24th Dec 1940 | Box 111 \ 3 scan0152 | |
| Tests on hub modifications, aluminium drum cooling, and a mechanical petrol pump. | 24th Dec 1940 | Box 111 \ 3 scan0153 | |
| Short memo to G. Wyn. regarding the 3.B.50 chassis. | 28th Dec 1940 | Box 111 \ 3 scan0154 | |
| Revised specification for the water pump on a Bentley 60 No. 4 Unit. | 30th Apr 1941 | Box 111 \ 3 scan0155 | |
| Requesting information on the amount of oil and petrol added to chassis 3.B.50. | 12th May 1941 | Box 111 \ 3 scan0156 | |
| Car's performance during a test run, noting issues with the servo, brakes, tyres, and propeller shaft. | 19th May 1941 | Box 111 \ 3 scan0157 | |
| Specification revision for Bentley 60 Unit No. 4 on chassis 3-B-50, comparing previous and revised components. | 20th May 1941 | Box 111 \ 3 scan0158 | |
| From Rm. to By. comparing the performance of a Bentley (3.B.50) against a Railton. | 28th May 1941 | Box 111 \ 3 scan0159 | |
| Vehicle fault report requesting an examination of the brakes, doors, roof and steering. | 17th Nov 1941 | Box 111 \ 3 scan0160 | |
| The performance and wear of a rationalised 6-cylinder car, a Wraith replacement, after 50,000 miles. | 16th Feb 1942 | Box 111 \ 3 scan0161 | |
| Engine mileage and maintenance requirements for 'Higher Power' units. | 16th Feb 1942 | Box 111 \ 3 scan0162 | |
| List of failures experienced on car 3 B 50, Unit B.60 No.4, up to a mileage of 50,524. | 16th Feb 1942 | Box 111 \ 3 scan0163 | |
| Request to Park Ward & Co. Ltd. for a replacement length of rubberized matting for a car's luggage compartment. | 19th Oct 1942 | Box 111 \ 3 scan0164 | |
| Chassis Division progress report detailing mileage accumulation and failures for various vehicle components. | 24th Nov 1942 | Box 111 \ 3 scan0165 | |
| Log detailing faults and troubles for chassis 30.G.VII and 3.B.50 at various mileages. | 24th Nov 1942 | Box 111 \ 3 scan0166 | |
| Fault report detailing issues with shock dampers, exhaust pipes, steering, and brakes at specific mileages. | 24th Nov 1942 | Box 111 \ 3 scan0167 | |
| Troubleshooting and solutions for various automotive components including brakes, springs, clutch, propeller shaft, water pumps, and transmission. | 24th Nov 1942 | Box 111 \ 3 scan0168 | |
| The performance and wear of various vehicle components including axles, cylinder bores, and engines. | 24th Nov 1942 | Box 111 \ 3 scan0169 | |
| Major troubles with B.V. and B.60 car bodies, including water ingress, rattling roofs, and exhaust heat. | 24th Nov 1942 | Box 111 \ 3 scan0170 | |
| Performance and mileage tests of post-war rationalised chassis and engine designs. | 24th Nov 1942 | Box 111 \ 3 scan0171 | |
| Revised specification for a Bentley Chassis 3.B.50 detailing work on the front suspension and axle. | 1st Nov 1943 | Box 111 \ 3 scan0172 | |
| Decision against using a servo brake on the Phoenix model and evaluating alternative braking systems. | 6th May 1937 | Box 111 \ 3 scan0173 | |
| Analysis and review of Chevrolet hydraulic brakes, discussing performance, design, and potential improvements. | 7th May 1937 | Box 111 \ 3 scan0174 | |
| Brake system considerations for the Bentley III and Phoenix models. | 28th Oct 1937 | Box 111 \ 3 scan0175 | |
| Bentley 50 brake project, comparing the B.III brake system to American car brakes. | 28th Oct 1937 | Box 111 \ 3 scan0176 | |
| Proposal to reduce the selling price of the B.III model by making economies in the brake system. | 27th Oct 1937 | Box 111 \ 3 scan0177 | |
| Selection and design of brake systems, comparing Bendix, hydraulic, and G.M. types. | 27th Oct 1937 | Box 111 \ 3 scan0178 | |
| Parts list for the arrangement of pedals for the Bentley 50 Brakes (Unassisted) on a Bentley 11. | 26th Nov 1937 | Box 111 \ 3 scan0179 | |
| Parts list for a modification to the Bentley 50 brakes (unassisted) on Bentley 11. | 26th Nov 1937 | Box 111 \ 3 scan0180 | |
| Modifications for unassisted Bentley 50 brakes on the Bentley 11.A model, detailing part replacements for the rear axle, brake equaliser, and rear brakes. | 27th Nov 1937 | Box 111 \ 3 scan0181 | |
| Instruction sheet detailing a part replacement for the standard Rear Hub assembly. | 27th Nov 1937 | Box 111 \ 3 scan0182 | |
| Specifications for unassisted brakes and rear axle components on a Bentley 11.A. | 27th Nov 1937 | Box 111 \ 3 scan0183 | |
| Modification to the Rear Hub assembly, referencing specific part drawings. | 27th Nov 1937 | Box 111 \ 3 scan0184 | |
| Parts list memorandum for un-assisted brakes on a Bentley 11, detailing required and non-required components. | 9th Dec 1937 | Box 111 \ 3 scan0185 | |
| Blueprints for un-assisted brakes on a Bentley 11. | 9th Dec 1937 | Box 111 \ 3 scan0186 | |
| Blueprints for un-assisted brakes on a Bentley 11, specifically for the Axle Pivot Top Cover. | 9th Dec 1937 | Box 111 \ 3 scan0187 | |
| Parts for un-assisted brakes on a Bentley 11, listing required and not required parts. | 9th Dec 1937 | Box 111 \ 3 scan0188 | |
| Parts list for Bentley 50 unassisted brakes on a Bentley 11 chassis from Automotive Products Co. Ltd. | 15th Dec 1937 | Box 111 \ 3 scan0189 | |
| Parts list for blueprints relating to the unassisted Bentley 50 brakes on a Bentley 11. | 16th Dec 1937 | Box 111 \ 3 scan0190 | |
| Parts list for the Bentley 50 Brakes (Unassisted) on Bentley 11, detailing blueprints, required, and not required parts. | 16th Dec 1937 | Box 111 \ 3 scan0191 | |
| Parts list and instruction to manufacture one set of a cross tube and brazing arrangement. | 13th Dec 1937 | Box 111 \ 3 scan0192 | |
| Parts list for the installation of unassisted Bentley 50 Brakes on a Bentley 11. | 16th Dec 1937 | Box 111 \ 3 scan0193 | |
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