| Description | Date | Identifier | |
| Confirming the reliability of experimental cast steel parts for a 15,000 miles test and proposed French running. | 12th May 1938 | Box 97 \ 1 scan0163 | |
| The oil level behaviour in Wraith III and Bentley III engines when starting from cold. | 16th May 1938 | Box 97 \ 1 scan0164 | |
| Recommending the adoption of a trap door design for the Wraith III and Bentley III models. | 16th Mar 1938 | Box 97 \ 1 scan0165 | |
| Blueprint of a suggested balance hole in the sump to resolve oil level drop issues during a cold start. | 19th Oct 1938 | Box 97 \ 1 scan0166 | |
| Design modifications for the Bentley III and 50 chassis. | 19th Oct 1938 | Box 97 \ 1 scan0167 | |
| Potential modifications to frame fittings, a protective plate, rear spring brackets, and pedal assembly bolts. | 9th Jun 1938 | Box 97 \ 1 scan0168 | |
| Requesting the fitting of a rubber off stop to the hand brake for two B.III chassis. | 20th Jun 1938 | Box 97 \ 1 scan0169 | |
| Parts list for the Bentley 111 chassis, detailing components for the engine and sending of blueprints. | 22th Jun 1938 | Box 97 \ 1 scan0170 | |
| Camshaft and associated part changes, including obsolete parts and introduction of a new material. | 22th Jun 1938 | Box 97 \ 1 scan0171 | |
| Secret memo providing a status update on prototype cars B.50 and B.III. | 23th Jun 1938 | Box 97 \ 1 scan0172 | |
| Secret memo from Sg. to Rm. regarding the arrangement of a test drive for cars B.III and B.50. | 23th Jun 1938 | Box 97 \ 1 scan0173 | |
| Arranging test drives for the B.III and B.50 car models. | 15th Jul 1938 | Box 97 \ 1 scan0174 | |
| Arrangements for using and testing the B.III and B.50 cars. | 15th Jul 1938 | Box 97 \ 1 scan0175 | |
| Requesting recommendations for sealing the air hole around the hand brake lever on the B.III model. | 29th Jul 1938 | Box 97 \ 1 scan0176 | |
| Required improvements and issues found during a car test drive. | 1st Aug 1938 | Box 97 \ 1 scan0177 | |
| List of required modifications and investigations for a vehicle, including component adjustments and performance tests. | 1st Aug 1938 | Box 97 \ 1 scan0178 | |
| List of technical queries and suggestions for vehicle improvements, including pedals, steering, tyres, and starter carburettor. | 1st Aug 1938 | Box 97 \ 1 scan0179 | |
| Requesting a study on driving comfort for the B.III model, focusing on pedals, seats, and steering column adjustment. | 8th Aug 1938 | Box 97 \ 1 scan0180 | |
| Outlining the programme and allocation of units for new experimental chassis. | 20th Aug 1938 | Box 97 \ 1 scan0181 | |
| Test report on B.III bump chassis front-end components after a 30-hour run on 3' cams. | 23th Aug 1938 | Box 97 \ 1 scan0182 | |
| Technical report detailing the performance and failures of various chassis and engine components. | 23th Aug 1938 | Box 97 \ 1 scan0183 | |
| Failures and modifications for springs, knurled shafts, rubber glands, and the main valve. | 13th Aug 1938 | Box 97 \ 1 scan0184 | |
| Valve, piston, and main casing issues and proposed modifications. | 23th Aug 1938 | Box 97 \ 1 scan0185 | |
| Test report detailing failures and recommendations from a 50-hour run on a Bentley III front end bumper. | 23th Aug 1938 | Box 97 \ 1 scan0186 | |
| Damper and valve failures during testing, with associated remarks and recommendations. | 23th Aug 1938 | Box 97 \ 1 scan0187 | |
| Confirming plans for testing and producing new axle, gearbox, and engine components using different materials. | 23th Aug 1938 | Box 97 \ 1 scan0188 | |
| Progress on manufacturing a Rear Axle Casing, Cast Iron Engine, and cylinder heads. | 25th Aug 1938 | Box 97 \ 1 scan0189 | |
| Preliminary specification for the Bentley 111. | 29th Aug 1938 | Box 97 \ 1 scan0190 | |
| List of parts and associated drawing numbers for a Bentley 111. | 29th Aug 1938 | Box 97 \ 1 scan0191 | |
| Index page listing various electrical components and their corresponding document references. | 29th Aug 1938 | Box 97 \ 1 scan0192 | |
| List of drawings and modifications for rear axle, brake, hub, and propeller shaft components. | 29th Aug 1938 | Box 97 \ 1 scan0193 | |
| List of modifications and associated parts for brake systems and the overdrive gearbox. | 29th Aug 1938 | Box 97 \ 1 scan0194 | |
| List of parts and modifications for the Gearbox, Hand Brake, and Clutch assemblies. | 29th Aug 1938 | Box 97 \ 1 scan0195 | |
| Specification sheet detailing engine components and their respective modifications. | 29th Aug 1938 | Box 97 \ 1 scan0196 | |
| List of specifications for various engine components and sub-assemblies. | 29th Aug 1938 | Box 97 \ 1 scan0197 | |
| List of modifications and completions for oil fittings, induction pipes, and frame components. | 29th Aug 1938 | Box 97 \ 1 scan0198 | |
| List of chassis components including frames, springs, steering, and bumpers with associated part numbers and instructions. | 29th Aug 1938 | Box 97 \ 1 scan0199 | |
| List of components and fittings including the petrol tank, pedals, dashboard, and various piping. | 29th Aug 1938 | Box 97 \ 1 scan0200 | |
| List of modifications and updates for chassis components including dampers, apron, axle, steering, suspension, and roll rods. | 29th Aug 1938 | Box 97 \ 1 scan0201 | |
| Comparing the development progress of the Bentley III chassis against the Wraith chassis for the 1939 Show. | 30th Aug 1938 | Box 97 \ 1 scan0202 | |
| Warning about potential production programme disorganisation if final designs are not released promptly. | 30th Aug 1938 | Box 97 \ 1 scan0203 | |
| Gantt chart outlining the production schedule for the Bentley III model from 1938 to 1939. | 1st Sep 1938 | Box 97 \ 1 scan0204 | |
| Requesting an alteration to a car's specification for the frame to have a bent type front pan. | 1st Sep 1938 | Box 97 \ 1 scan0205 | |
| Design considerations for the Bentley 111, focusing on the back axle, weight, and performance. | 10th Sep 1938 | Box 97 \ 1 scan0206 | |
| Continuation of the developed Bentley axle and postponing a new semi-floating axle design. | 10th Sep 1938 | Box 97 \ 1 scan0207 | |
| List of modifications and faults identified in the Bentley axle since its introduction. | 10th Sep 1938 | Box 97 \ 1 scan0208 | |
| Design modifications to wheel drivers and cone angles to resolve faults. | 10th Sep 1938 | Box 97 \ 1 scan0209 | |
| Confirming the decision to abandon a new type of axle for the Bentley III car to avoid undue risk. | 10th Sep 1938 | Box 97 \ 1 scan0210 | |
| The deliberate restriction of Bentley 111 chassis availability until reliability was confirmed. | 14th Sep 1938 | Box 97 \ 1 scan0211 | |
| Outlining the procedure for producing tentative Layout of Details (L.O.D.'s) for the R.III engine. | 14th Sep 1936 | Box 97 \ 1 scan0212 | |
| Outlining the plan to issue parts lists for the Bentley 111 chassis and detailing ongoing design considerations. | 14th Sep 1938 | Box 97 \ 1 scan0213 | |
| Specification sheet for the Bentley III induction system and related components. | 16th Sep 1938 | Box 97 \ 1 scan0214 | |
| List of modifications concerning engine controls and water supply pipes. | 16th Sep 1938 | Box 97 \ 1 scan0215 | |
| Provisional specification for the inclusion of modified engine components on the B.III LOP model. | 17th Sep 1938 | Box 97 \ 1 scan0216 | |
| Specifications for engine components including pistons, cylinders, and valves. | 17th Sep 1938 | Box 97 \ 1 scan0217 | |
| Specifications for engine components including valves, camshaft, dynamo drive, and oil filter. | 17th Sep 1938 | Box 97 \ 1 scan0218 | |
| Items to be included in the B.III specification. | 20th Sep 1938 | Box 97 \ 1 scan0219 | |
| Comparison table of performance metrics for various car models, including Rolls-Royce and competitors. | 15th Aug 1938 | Box 97 \ 1 scan0220 | |
| Modifications carried out on a Bentley III 15,000 miles test car. | 27th Sep 1938 | Box 97 \ 1 scan0221 | |
| List of vehicle modifications, component specifications, and identified defects requiring attention. | 27th Sep 1938 | Box 97 \ 1 scan0222 | |
| Numbered list of vehicle faults and required corrective actions. | 27th Sep 1938 | Box 97 \ 1 scan0223 | |
| Arranging the secret movement of a Wraith car to a private lock-up garage at Lillie Hall. | 27th Sep 1938 | Box 97 \ 1 scan0224 | |
| Directions to a garage located in Hays Mews. | 10th Oct 1938 | Box 97 \ 1 scan0225 | |
| Road test report on the Bentley III expressing disappointment with its engine performance, gearbox noise, and suspension. | 10th Oct 1938 | Box 97 \ 1 scan0226 | |
| Road test and critique of a car's features, including suspension, gear lever, interior space, visibility, and engine performance. | 10th Oct 1938 | Box 97 \ 1 scan0227 | |
| List of L.O.P's (List of Parts) to be instructed for the Bentley III chassis based on a specific specification. | 13th Oct 1938 | Box 97 \ 1 scan0228 | |
| Instruction to receive new drawings for the Spring Drive section of the Bentley III Chassis. | 13th Oct 1938 | Box 97 \ 1 scan0229 | |
| Water connections for B, III and B.50 models. | 14th Oct 1930 | Box 97 \ 1 scan0230 | |
| Fan for models B.III and B50. | 1st Oct 1938 | Box 97 \ 1 scan0231 | |
| Instruction to remove a dashboard from its chassis to be prepared for strengthening plates. | 17th Oct 1938 | Box 97 \ 1 scan0232 | |
| Confirming plans for building experimental cars B.50 and B.III, including details on the B.10 prototype and engine specifications. | 18th Oct 1938 | Box 97 \ 1 scan0233 | |
| Manufacturing and testing of engine components like camshafts and cylinder heads. | 18th Oct 1938 | Box 97 \ 1 scan0234 | |
| Reminder to reply to criticisms and provide data regarding engine revs and road speeds. | 21th Oct 1938 | Box 97 \ 1 scan0235 | |
| Comparing the performance and engine characteristics of the Bentley III against other models. | 25th Oct 1938 | Box 97 \ 1 scan0236 | |
| Technical evaluation report on vehicle performance and design features, including cornering, suspension, and interior elements. | 25th Oct 1938 | Box 97 \ 1 scan0237 | |
| Drawing of a rear height control valve casing assembly. | 25th Apr 1969 | Box 97 \ 1 scan0238 | |
| Limited impact of a small engine size increase and the logistics of testing with the single available experimental car. | 25th Oct 1938 | Box 97 \ 1 scan0239 | |
| Request to detail designs for a cast iron engine for a B.III model. | 26th Oct 1938 | Box 97 \ 1 scan0240 | |
| Arrangements for testing a B.III car and comparing its performance against other overdrive models. | 28th Oct 1938 | Box 97 \ 1 scan0241 | |
| Typed memorandum discussing disappointment with a car's performance, speed, and ride quality. | 28th Oct 1938 | Box 97 \ 1 scan0242 | |
| The availability of car B.III and a planned demonstration of defrosters. | 29th Oct 1938 | Box 97 \ 1 scan0243 | |
| Secret memorandum discussing vehicle roof heights, headroom, and suspension modifications for model B.III. | 29th Oct 1938 | Box 97 \ 1 scan0244 | |
| Comprehensive specification sheet for the 10.B.V. model, detailing components for the gearbox, rear axle, and brakes. | 1st Nov 1938 | Box 97 \ 1 scan0245 | |
| Specification sheet detailing parts for the rear brakes, servo, hand brake, and suspension systems. | 1st Nov 1938 | Box 97 \ 1 scan0246 | |
| Specification sheet detailing parts and instructions for various vehicle systems. | 1st Nov 1938 | Box 97 \ 1 scan0247 | |
| Specification sheet listing components for the cooling system, dashboard, and electrical equipment. | 1st Nov 1938 | Box 97 \ 1 scan0248 | |
| Comparing the body dimensions of a Vauxhall 10 against a model designated B.3. | 4th Nov 1938 | Box 97 \ 1 scan0249 | |
| Secret memo regarding rescheduling a tentative appointment for a Bentley III. | 5th Nov 1938 | Box 97 \ 1 scan0250 | |
| Arranging a road test and lunch for the Bentley III. | 7th Nov 1938 | Box 97 \ 1 scan0251 | |
| Cover letter for a blueprint related to the Bentley III chassis (10-B-V) specification. | 10th Nov 1938 | Box 97 \ 1 scan0252 | |
| Comparative test report on the Bentley B.III and B-4-MR, focusing on suspension and performance. | 8th Nov 1938 | Box 97 \ 1 scan0253 | |
| Car body comfort and dimensions, focusing on the rear floor, seating, and overall height. | 11th Nov 1938 | Box 97 \ 1 scan0254 | |
| Secret internal memorandum discussing the pricing programme and profitability of future car models. | 12th Nov 1938 | Box 97 \ 1 scan0255 | |
| Proposals for introducing new car models, including the B.50 and the B.V. chassis. | 12th Nov 1938 | Box 97 \ 1 scan0256 | |
| To resolve a naming confusion by renaming the new Bentley car model 'B.III' to 'B.V'. | 14th Nov 1938 | Box 97 \ 1 scan0257 | |
| Meeting to decide on parts release for the B.V. motor-car after a 15,000-mile test. | 24th Nov 1938 | Box 97 \ 1 scan0258 | |
| Proposal to release a specification to AEC for tooling and jigs for 50 chassis, with a warning about future alterations. | 30th Nov 1938 | Box 97 \ 1 scan0259 | |
| Parts status list for Section D components, including part numbers and production notes. | 30th Nov 1938 | Box 97 \ 1 scan0260 | |
| List of engine component specifications and status updates, including part numbers and assembly instructions. | 30th Nov 1938 | Box 97 \ 1 scan0261 | |
| List of engine components with corresponding part numbers and status notes. | 30th Nov 1936 | Box 97 \ 1 scan0262 | |
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