| Description | Date | Identifier | |
| Graph illustrating the effect on engine weight of varying the bore and stroke dimensions. | 6th Jul 1935 | Box 88 \ 3 scan0173 | |
| Weight analysis of a B-56-BN all-steel body. | 4th Sep 1935 | Box 88 \ 3 scan0174 | |
| List detailing weight savings for the next Tourist Trophy (T.T.) car for the 1936 season. | 14th Sep 1935 | Box 88 \ 3 scan0175 | |
| Request to get the weight of a lightened petrol tank to be fitted to model 6-B-IV. | 20th Sep 1935 | Box 88 \ 3 scan0176 | |
| Weight comparison memorandum for old and new type Bentley dynamos. | 14th Oct 1935 | Box 88 \ 3 scan0177 | |
| Comparison and test report for a new lightened type Bentley jack. | 15th Oct 1935 | Box 88 \ 3 scan0178 | |
| Material changes to reduce the weight of Big Bore Bentley Air Silencers. | 6th Nov 1935 | Box 88 \ 3 scan0179 | |
| Weight analysis and comparison of different steel-bodied Bentley models. | 8th Nov 1935 | Box 88 \ 3 scan0180 | |
| Weight reduction calculations for the Big Bore Chassis. | 8th Nov 1935 | Box 88 \ 3 scan0181 | |
| Congratulating staff on achieving weight reductions on the Big Bore Chassis (Bentley). | 11th Nov 1935 | Box 88 \ 3 scan0182 | |
| Request for the weights of the big and little ends of a Bentley connecting rod assembly. | 13th Jan 1936 | Box 88 \ 3 scan0183 | |
| Comparison table of component weights for Ph.III, 20/25, Bentley, and Buick chassis. | 11th Feb 1936 | Box 88 \ 3 scan0184 | |
| Table comparing the weights of various car sections for different models. | 11th Feb 1936 | Box 88 \ 3 scan0185 | |
| Comparative table of component weights for various car models. | 11th Feb 1936 | Box 88 \ 3 scan0186 | |
| Table comparing numerical data for sections of Ph.III, 20/25, Bentley, and Buick cars. | 11th Feb 1936 | Box 88 \ 3 scan0187 | |
| Comparison table of steering component weights for various chassis models. | 31th Mar 1936 | Box 88 \ 3 scan0188 | |
| Report investigating weight saving on the 4¼ litre Bentley chassis by comparing it to the 3½ litre model. | 2nd Apr 1936 | Box 88 \ 3 scan0189 | |
| Table listing the weights of various 3 1/2 litre Bentley Chassis. | 2nd Apr 1936 | Box 88 \ 3 scan0190 | |
| List of chassis numbers and their corresponding weights for the 4¼ litre Bentley chassis. | 2nd Apr 1936 | Box 88 \ 3 scan0191 | |
| Weight comparison between 3½ and 4¼ litre Bentley engines and a breakdown of weight alterations for the 4¼ litre chassis. | 3rd Apr 1936 | Box 88 \ 3 scan0192 | |
| Discrepancy in chassis weight savings for the 4 1/4 Litre Bentley. | 3rd Apr 1936 | Box 88 \ 3 scan0193 | |
| Weights of various Bentley chassis for the previous and present quarters. | 3rd Mar 1936 | Box 88 \ 3 scan0194 | |
| Specification sheet for a 6.00 x 17 India Super 17' Bentley Wheel, detailing weights and dimensions. | 17th Apr 1936 | Box 88 \ 3 scan0195 | |
| Comparison table of different brake drum types showing maximum temperatures and weight impact on a 4 1/2 litre Bentley. | 24th Apr 1936 | Box 88 \ 3 scan0196 | |
| Front-end weight comparison of suspension systems for Bentley, Wraith, and Packard vehicles. | 24th Apr 1936 | Box 88 \ 3 scan0197 | |
| Comparison table of weights in pounds for various front-end chassis components across different car models. | 4th Jun 1936 | Box 88 \ 3 scan0198 | |
| Weight analysis and design features of the Bentley Paris Trials Car, correcting a previous description of it as a 2-door. | 4th Jun 1936 | Box 88 \ 3 scan0199 | |
| The weights of various car bodies. | 6th Jun 1936 | Box 88 \ 3 scan0200 | |
| Brief internal memorandum regarding body weights. | 8th Jun 1936 | Box 88 \ 3 scan0201 | |
| Weights of Bentley demonstration cars in relation to poor performance complaints. | 8th Jun 1936 | Box 88 \ 3 scan0202 | |
| Weight comparison between an old 1935 T.T. exhaust system and a new 1936 Le Mans system for car B-35-AE. | 16th Jun 1936 | Box 88 \ 3 scan0203 | |
| Private memo regarding the weight of demonstration cars. | 19th Jun 1936 | Box 88 \ 3 scan0204 | |
| Record of the empty weights of an old radiator removed and a new one fitted to car B-35-AE. | 21th Aug 1936 | Box 88 \ 3 scan0205 | |
| Clarifying the weight of tool kits for the Phantom III and Bentley models. | 25th Aug 1936 | Box 88 \ 3 scan0206 | |
| Table of engine unit weights in pounds (LBS) for various models. | 26th Aug 1936 | Box 88 \ 3 scan0207 | |
| Weight of the Phantom III chassis and its impact on cost and performance. | 26th Aug 1936 | Box 88 \ 3 scan0208 | |
| Vehicle handling, economy, and weight reduction strategies for the Continental Phantom III. | 20th Aug 1936 | Box 88 \ 3 scan0209 | |
| Summary of proposed weight and cost reductions for the Phantom III chassis. | 26th Aug 1936 | Box 88 \ 3 scan0210 | |
| Comparison of Buick weights and specifications for 1932 and 1936 models. | 26th Aug 1936 | Box 88 \ 3 scan0211 | |
| Weight and cost reduction analysis for a Bentley Chassis, itemising component changes and their financial implications. | 26th Aug 1936 | Box 88 \ 3 scan0212 | |
| List of modifications with their associated weight and cost increases. | 26th Aug 1936 | Box 88 \ 3 scan0213 | |
| Comparison table of chassis and body weights for Phantom II and Phantom III cars. | 27th Apr 1937 | Box 88 \ 3 scan0214 | |
| List of chassis weights for Phantom II, Phantom III, 20/25 HP, and Bentley cars across different production series. | 2nd Aug 1936 | Box 88 \ 3 scan0215 | |
| Weight specification sheet for silencer, radiator, and petrol tank components for Hall's Car and other models. | 27th Aug 1936 | Box 88 \ 3 scan0216 | |
| Page 2 of a document detailing fuel and parts weights for Standard and Le Mans capacity Bentleys. | 14th Oct 1936 | Box 88 \ 3 scan0217 | |
| Letter from Dunlop Rubber Co. Ltd. providing comparative details of Wire and Spoked Disc wheel weights. | 14th Oct 1936 | Box 88 \ 3 scan0218 | |
| Letter from Dunlop comparing the weights of Magna Wire and Spoked Disc wheels for Wolseley models. | 14th Oct 1936 | Box 88 \ 3 scan0219 | |
| Record of the complete weight of the B.2.GA. Trials Coupe. | 16th Oct 1936 | Box 88 \ 3 scan0220 | |
| Weight analysis of 3.B.4. fitted with a Park Ward wide door saloon body. | 13th Nov 1936 | Box 88 \ 3 scan0221 | |
| Request for information on the differences between a new chassis with an improved entrance body and the standard chassis, focusing on weight. | 19th Nov 1936 | Box 88 \ 3 scan0222 | |
| Investigation into the weight of the 3-B-IV body, comparing different Park Ward Saloon models. | 24th Nov 1936 | Box 88 \ 3 scan0223 | |
| Weight analysis of car body components and a comparison of overall vehicle weights. | 24th Nov 1936 | Box 88 \ 3 scan0224 | |
| Need for precise weight specifications for the 3-B-IV chassis and body. | 25th Nov 1936 | Box 88 \ 3 scan0225 | |
| The weight of a Bentley chassis and body, its impact on coachwork, and luggage carrying methods. | 25th Nov 1936 | Box 88 \ 3 scan0226 | |
| The strength and weight considerations for a luggage platform, mentioning Park Ward. | 25th Nov 1936 | Box 88 \ 3 scan0227 | |
| Weight comparison sheet for Park Ward and Vanvooren coachbuilt bodies. | 25th Nov 1936 | Box 88 \ 3 scan0228 | |
| Weight analysis for a 3.B.4. Bentley sent to coachbuilder Park Ward & Co. Ltd. | 25th Nov 1936 | Box 88 \ 3 scan0229 | |
| Letter discussing discrepancies in standard Bentley body weights and extras. | 25th Nov 1936 | Box 88 \ 3 scan0230 | |
| Weight analysis memo for an all-steel car body, model B.56.BN. | 26th Nov 1936 | Box 88 \ 3 scan0231 | |
| Body and chassis weights, modifications, and a luggage carrier for a specific vehicle model. | 30th Nov 1936 | Box 88 \ 3 scan0232 | |
| Total car weight and how it will be below standard if a certain body type is not avoided. | 30th Nov 1936 | Box 88 \ 3 scan0233 | |
| The weights of various Packard car components. | 1st Dec 1936 | Box 88 \ 3 scan0234 | |
| Detailed breakdown of weights for Packard components, including front and rear totals, front suspension parts, and road wheel elements. | 1st Dec 1936 | Box 88 \ 3 scan0235 | |
| New standard body weight from Park Ward and explaining weight discrepancies. | 8th Dec 1936 | Box 88 \ 3 scan0236 | |
| Weight comparison sheet between Park Ward and Vanvooren coachbuilt bodies. | 25th Nov 1936 | Box 88 \ 3 scan0237 | |
| Comparing the new and previous standard body weights for Park Ward models, including petrol. | 8th Dec 1936 | Box 88 \ 3 scan0238 | |
| List of weights for various 1937 Buick parts across different series. | 24th Mar 1937 | Box 88 \ 3 scan0239 | |
| Highlighting the photographic department's insufficient capacity for Bentley weight analyses and requesting an increase. | 19th May 1937 | Box 88 \ 3 scan0240 | |
| List of weights for various components of a 1937 Chevrolet. | 1st Apr 1937 | Box 88 \ 3 scan0241 | |
| Specification sheet listing the weights of various Chevrolet and Oldsmobile components. | 1st Apr 1937 | Box 88 \ 3 scan0242 | |
| Estimate of weight comparison between the Bentley III and the K Series Bentley. | 24th Aug 1937 | Box 88 \ 3 scan0243 | |
| Progress report on weight analysis and cost comparisons for various vehicle chassis and components. | 3rd Sep 1937 | Box 88 \ 3 scan0244 | |
| Comparative analysis of automotive frames, suspension, and axle components. | 3rd Sep 1937 | Box 88 \ 3 scan0245 | |
| Comparative analysis of an Oldsmobile against the B.III and Phoenix projects, focusing on road springs, rear axles, and brake systems. | 3rd Sep 1937 | Box 88 \ 3 scan0246 | |
| Design and weight analysis of various car components including the transmission, fuel tank, and steering, with comparisons to competitors. | 3rd Sep 1937 | Box 88 \ 3 scan0247 | |
| Comparison report on an Oldsmobile engine versus the Bentley, Wraith, and Phantom III models, concluding with a summary on future production plans. | 3rd Sep 1937 | Box 88 \ 3 scan0248 | |
| Letter to Park Ward Ltd. regarding a photographic weight analysis of a Bentley saloon and arranging a visit. | 6th Sep 1937 | Box 88 \ 3 scan0249 | |
| Letter to Park Ward Ltd. concerning the photographic weight analysis of an all-metal saloon on a Bentley chassis. | 17th Sep 1937 | Box 88 \ 3 scan0250 | |
| Letter to Messrs. Park Ward Ltd. arranging a visit to discuss a weight analysis on a Bentley body. | 16th Oct 1937 | Box 88 \ 3 scan0251 | |
| Weight savings on Bentley TIA Brakes by comparing different materials. | 28th Oct 1937 | Box 88 \ 3 scan0252 | |
| Letter to Park Ward & Co. comparing Bentley body weights with American cars and inquiring about weight reduction. | 16th Nov 1937 | Box 88 \ 3 scan0253 | |
| Comparison of body weights between an Oldsmobile, a Vauxhall, and a Park Ward all-metal body on a 4 1/4 litre Bentley chassis. | 16th Nov 1937 | Box 88 \ 3 scan0254 | |
| Note clarifying the included interior fittings during the weighing of a Vauxhall body. | 16th Nov 1937 | Box 88 \ 3 scan0255 | |
| Weight comparison of components for Bentley, S.S., and Oldsmobile cars in the 20-30 HP class. | 1st Jun 1938 | Box 88 \ 3 scan0256 | |
| Weight comparison of components between Bentley, S.S., and Oldsmobile vehicles. | 15th Jun 1938 | Box 88 \ 3 scan0257 | |
| Weight comparison analysis between a Bentley, an S.S. car, and an Oldsmobile, detailing component weight differences. | 15th Jun 1938 | Box 88 \ 3 scan0258 | |
| List of weights for various chassis, body, and optional extras configurations. | 26th Jul 1938 | Box 88 \ 3 scan0259 | |
| Comparative weights analysis of the 4¼-Litre Bentley Fully-Floating (K & M Series) and Semi-Floating Axles. | 10th Aug 1938 | Box 88 \ 3 scan0260 | |
| Weight comparison of different wheel, hub, and axle configurations. | 10th Aug 1938 | Box 88 \ 3 scan0261 | |
| Comparative weights analysis of the Bentley 4 1/4-Litre and the S.S. 3 1/2-Litre, detailing the body, frame, and suspension components. | 30th Aug 1938 | Box 88 \ 3 scan0262 | |
| Comparative weights analysis of S.S. and Bentley components including axles, suspension, and brakes. | 30th Aug 1938 | Box 88 \ 3 scan0263 | |
| Weight comparison document for S.S. and Bentley vehicle components, including brake drums, engine, and clutch. | 30th Aug 1938 | Box 88 \ 3 scan0264 | |
| Weight comparison of components between an S.S. vehicle and a Bentley. | 30th Aug 1938 | Box 88 \ 3 scan0265 | |
| Weight comparison of various chassis components between an S.S. and a Bentley model. | 30th Aug 1938 | Box 88 \ 3 scan0266 | |
| Component weights and the total weights of S.S. and Bentley cars. | 30th Aug 1938 | Box 88 \ 3 scan0267 | |
| Comparing the body weight of a new Vauxhall 12 HP with a Bentley 8.B.V. | 28th Sep 1938 | Box 88 \ 3 scan0268 | |
| Steady increase in Bentley body weights over the years 1935-1938. | 28th Sep 1938 | Box 88 \ 3 scan0269 | |
| Graph showing the average weights of production Bentley cars from 1934 to 1938. | 22th Sep 1938 | Box 88 \ 3 scan0270 | |
| The weight increase of the 'M' series Bentley compared to the 'L' series. | 5th Oct 1938 | Box 88 \ 3 scan0271 | |
| Confirming a weight increase for the 'M' Series Bentley due to larger tyres. | 7th Oct 1938 | Box 88 \ 3 scan0272 | |
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