| Description | Date | Identifier | |
| Request from Franco-Britannic Autos for one set of connecting rods for chassis 3-AZ-140. | 25th Jan 1938 | Box 146 \ 1 scan0174 | |
| Optimal mileage and methods for servicing the main bearings on 4 1/4 litre Bentley engines. | 26th Jan 1938 | Box 146 \ 1 scan0175 | |
| Crankshaft wear, bearing materials, and the need for an oil flow testing machine. | 26th Jan 1938 | Box 146 \ 1 scan0176 | |
| Bearing performance issues, a special tool for repairs, and instructions for re-conditioning crankshafts. | 26th Jan 1938 | Box 146 \ 1 scan0177 | |
| Supply of A.C.6 aluminium tin big end bearings for a Phantom III chassis. | 27th Jan 1938 | Box 146 \ 1 scan0178 | |
| Cracked Bentley cylinder block, complimenting an ingenious repair and warning against over-driving studs. | 27th Jan 1938 | Box 146 \ 1 scan0179 | |
| Hardness of a re-nitrided crankshaft from chassis B.35.KU, the Paris Trials Car. | 27th Jan 1938 | Box 146 \ 1 scan0180 | |
| Fitting new big end bearing halves with AC.6 alum-tin bushes for a car. | 29th Jan 1938 | Box 146 \ 1 scan0181 | |
| Letter providing feedback and first impressions after test-driving a new car model. | 31th Jan 1938 | Box 146 \ 1 scan0182 | |
| Requesting an official order for a complete set of big end bearings and rods for chassis 3.AZ.140. | 31th Jan 1938 | Box 146 \ 1 scan0183 | |
| Internal memorandum discussing the potential risks of A.C.2 bearings in two specific Bentley cars and proposing a course of action. | 1st Feb 1938 | Box 146 \ 1 scan0184 | |
| Customer complaints and specific failures of Lucas 'Mellowtone' Electric Horns. | 2nd Feb 1938 | Box 146 \ 1 scan0185 | |
| The dispatch of replacement parts to Franco Britannic Autos. | 4th Feb 1938 | Box 146 \ 1 scan0186 | |
| Responding to queries about Bentley bearings, steering modifications, and a streamline car. | 4th Feb 1938 | Box 146 \ 1 scan0187 | |
| Series of recommendations concerning car stability, tyres, rear axle performance, and high compression heads. | 4th Feb 1938 | Box 146 \ 1 scan0188 | |
| Query regarding fitting a large oil pump to modified 3 1/2 litre Bentley engines for non-hard drivers. | 4th Feb 1938 | Box 146 \ 1 scan0189 | |
| Letter recollecting events of a customs issue regarding a damaged steering column and spare parts at Boulogne and Folkestone. | 8th Feb 1938 | Box 146 \ 1 scan0190 | |
| Confirming the despatch of Phantom III Connecting Rods with AC.6 Bearings to the Paris Depot. | 10th Feb 1938 | Box 146 \ 1 scan0191 | |
| Customs issue in France regarding an overlooked Temporary Admission form for a steering column on chassis 22-GV. | 11th Feb 1938 | Box 146 \ 1 scan0192 | |
| The examination of a rough engine from chassis B.100.HK, detailing crankshaft measurements, hardness tests, and proposed modifications. | 14th Feb 1938 | Box 146 \ 1 scan0193 | |
| Crankshaft and cylinder block issues for chassis B.100.HK, detailing required repairs and costs. | 15th Feb 1938 | Box 146 \ 1 scan0194 | |
| Engine bearing wear, with measurements taken and replacement work carried out. | 15th Feb 1938 | Box 146 \ 1 scan0195 | |
| Testing, application, and ordering of graphited bronze clutch facings for 20/25 HP and 3 1/2 Litre Bentley chassis. | 16th Feb 1938 | Box 146 \ 1 scan0196 | |
| Testing a Bentley for oversteering issues and the effects of tyre pressure and wheel changes. | 22th Feb 1938 | Box 146 \ 1 scan0197 | |
| Letter to 'Rm' at Bentley Motors regarding a patented braking system that improves cornering by applying more force to the inside wheels. | 25th Feb 1938 | Box 146 \ 1 scan0198 | |
| Noise insulation and the application of outer brakes when cornering. | 28th Feb 1938 | Box 146 \ 1 scan0199 | |
| Running experience and testing of Bentley back axle pinion bearings. | 28th Feb 1938 | Box 146 \ 1 scan0200 | |
| Sending an axle pinion bearing with 0.005 preload for a Bentley trials car. | 1st Mar 1938 | Box 146 \ 1 scan0201 | |
| Typed memorandum confirming the delay of a visit to England by one week. | 4th Mar 1938 | Box 146 \ 1 scan0202 | |
| Letter postponing a visit to Derby due to illness and arranging a new arrival time with a request for a car. | 4th Mar 1938 | Box 146 \ 1 scan0203 | |
| Engine bearings inspection report for Chassis No. 3.AZ.140 belonging to Mr. A. Benhaim. | 9th Mar 1938 | Box 146 \ 1 scan0204 | |
| The blueprints and required parts for an 'Abney' Level Mounting. | 10th Mar 1938 | Box 146 \ 1 scan0205 | |
| Engine modifications, a subsequent big end bearing failure, and planned repairs for chassis B.125.BL. | 10th Mar 1938 | Box 146 \ 1 scan0206 | |
| Engine bearing repairs and oil pressure tests for Chassis B.IIS.BL. | 10th Mar 1938 | Box 146 \ 1 scan0207 | |
| The cause of a petrol pump failure and the subsequent reconditioning for a specific chassis. | 14th Mar 1938 | Box 146 \ 1 scan0208 | |
| The engine teardown of Chassis 3.AZ.20, the Continental Trials Car, detailing worn and broken components. | 16th Mar 1938 | Box 146 \ 1 scan0209 | |
| The dismantling and inspection of the engine from Chassis 3.AZ.20, the Continental Trials Car, detailing various component failures. | 16th Mar 1938 | Box 146 \ 1 scan0210 | |
| The condition of the 'A' side cylinders, detailing bore dimensions, ovality, and wear. | 15th Mar 1938 | Box 146 \ 1 scan0211 | |
| The condition of cylinders, detailing bore dimensions, ovality, and wear measurements. | 15th Mar 1938 | Box 146 \ 1 scan0212 | |
| Engine wear for chassis 3.AZ.20, detailing issues with connecting rods, main bearings, tappets, and camshaft. | 17th Mar 1938 | Box 146 \ 1 scan0213 | |
| The seizing of a dynamo drive pinion and subsequent shearing of the idler gear teeth. | 17th Mar 1938 | Box 146 \ 1 scan0214 | |
| Requesting the return of failed rear axle tubes for inspection at the Works. | 21th Mar 1938 | Box 146 \ 1 scan0215 | |
| Breaking front bumper bar springs and a new production design to fix the issue. | 22th Mar 1938 | Box 146 \ 1 scan0216 | |
| Correspondence regarding a failed axle tube on chassis B.65-HM, clarifying it was a non-original service axle of uncertain origin. | 23th Mar 1938 | Box 146 \ 1 scan0217 | |
| Letter recommending the 'Guide Gastronomique International' as the best book on good hotels and restaurants. | 23th Mar 1938 | Box 146 \ 1 scan0218 | |
| Letter concerning the failure of wheel drivers on Bentley chassis and proposing remedial action with strengthened replacements. | 24th Mar 1938 | Box 146 \ 1 scan0219 | |
| Letter to Bentley Motors Ltd. regarding an order for new B.II bumper bars for a Bentley chassis. | 25th Mar 1938 | Box 146 \ 1 scan0220 | |
| Scheme to fit Bentley wheel drivers to cars in France. | 28th Mar 1938 | Box 146 \ 1 scan0221 | |
| Changing wheel drivers on 4¼ and 3½ litre Bentley chassis and charges based on mileage. | 30th Mar 1938 | Box 146 \ 1 scan0222 | |
| The road holding performance of Michelin 'Pilot' tyres and wheels tested near Paris. | 30th Mar 1938 | Box 146 \ 1 scan0223 | |
| Fitment of Michelin wheels and tyres on various models, comparing their weight and effect on steering. | 30th Mar 1938 | Box 146 \ 1 scan0224 | |
| Road test report detailing the performance of Michelin tyres, focusing on steering feel, ride comfort on pavé roads, and necessary wheel modifications. | 30th Mar 1938 | Box 146 \ 1 scan0225 | |
| Test drive report providing feedback on a Bentley vehicle's performance. | 30th Mar 1938 | Box 146 \ 1 scan0226 | |
| Typed report memo page critiquing the B.III model's performance, access, and seating, comparing it to previous Bentley models, with two handwritten postscripts. | 30th Mar 1938 | Box 146 \ 1 scan0227 | |
| To Bentley Motors regarding misfiring issues on two chassis due to the failure of modified type rotors. | 30th Mar 1938 | Box 146 \ 1 scan0228 | |
| Loose screws on modified type rotors for two different car chassis. | 4th Apr 1938 | Box 146 \ 1 scan0229 | |
| Short typed memo regarding a Depot Conference and an offer of accommodation. | 6th Apr 1938 | Box 146 \ 1 scan0230 | |
| Customer's Bentley fitted with a patented front wheel suspension in Italy. | 6th Apr 1938 | Box 146 \ 1 scan0231 | |
| Translated letter discussing alterations to a Bentley car, proposing further modifications based on a patent, and offering the vehicle for trials. | 4th Apr 1938 | Box 146 \ 1 scan0232 | |
| French patent for an independent wheel suspension system for motor vehicles. | 19th Apr 1937 | Box 146 \ 1 scan0233 | |
| Diagrams of a hydraulic shock absorber and associated linkage systems from a patent document. | 18th Mar 1936 | Box 146 \ 1 scan0234 | |
| French patent document describing an independent wheel suspension system for motor vehicles. | 18th Mar 1936 | Box 146 \ 1 scan0235 | |
| Declining a new independent suspension proposal for an existing Bentley model due to having too many existing options. | 8th Apr 1938 | Box 146 \ 1 scan0236 | |
| Resistance measurements for the energising coils on High Pressure and Standard S.U. petrol pumps. | 8th Apr 1938 | Box 146 \ 1 scan0237 | |
| Cover letter forwarding a copy of a letter sent to Messrs. Duckham for review and comment. | 22th Apr 1938 | Box 146 \ 1 scan0238 | |
| Letter to Alexander Duckham & Co Ltd. questioning the dissolving rate of their 'Adcoids' petrol additive. | 21th Apr 1938 | Box 146 \ 1 scan0239 | |
| Letter discussing the effectiveness of the fuel additive Adcoid and its impact on engine pinking. | 21th Apr 1938 | Box 146 \ 1 scan0240 | |
| Request for an appreciation of the Michelin 'Pilot' tyre. | 28th Apr 1938 | Box 146 \ 1 scan0241 | |
| The seizure of connecting rod bearings in Chassis 3.AZ.20 during continental trials. | 29th Apr 1938 | Box 146 \ 1 scan0242 | |
| Investigation report detailing measurements and fixes for engine connecting rod clearance issues. | 29th Apr 1938 | Box 146 \ 1 scan0243 | |
| Cover memo forwarding a letter from Alexander Duckham & Co. Ltd regarding ALCOIDS. | 3rd May 1938 | Box 146 \ 1 scan0244 | |
| Letter from Alexander Duckham & Co. discussing the performance and properties of ALCOIDS fuel additive. | 29th Apr 1938 | Box 146 \ 1 scan0245 | |
| Cause of bearing failure on chassis 3.AZ.20, attributing it to contamination and improper fitting. | 4th May 1938 | Box 146 \ 1 scan0246 | |
| Foreign matter in the oil passages and connecting rod issues on a Continental Trials Car, Chassis 3.AZ.20. | 9th May 1938 | Box 146 \ 1 scan0247 | |
| Insufficient bearing clearance, connecting rod fitting procedures for Phantom III engines, and engine maintenance recommendations. | 9th May 1938 | Box 146 \ 1 scan0248 | |
| Summary of test results for Michelin Pilot tyres, comparing ride, handling, and cornering power. | 11th May 1938 | Box 146 \ 1 scan0249 | |
| Correspondence regarding an order for weaker clutch springs for Phantom III vehicles to resolve a jaggering clutch issue. | 16th May 1938 | Box 146 \ 1 scan0250 | |
| Phantom III clutches, addressing an order for lighter springs and explaining the two different poundages. | 19th May 1938 | Box 146 \ 1 scan0251 | |
| Request for statistics on motor car sales in England and France. | 19th May 1938 | Box 146 \ 1 scan0252 | |
| Proposal regarding the failure of stud FP.1855 for the wing stay and cross member, suggesting fitting stronger studs and a strengthened cross member. | 25th May 1938 | Box 146 \ 1 scan0253 | |
| Query regarding the placement of the spare wheel on future Show Bentley models. | 23th May 1938 | Box 146 \ 1 scan0254 | |
| Communication confirming an effort to obtain information regarding English motor car sales. | 24th May 1938 | Box 146 \ 1 scan0255 | |
| Failed near-side rear axle shaft on chassis B.43.CW, outside of its guarantee, with an agreed special price reduction. | 30th May 1938 | Box 146 \ 1 scan0256 | |
| Cracked engine on chassis B.5.AE due to bearing and connecting rod failure. | 30th May 1938 | Box 146 \ 1 scan0257 | |
| The failure of spring plates in the front bumper on a Bentley Chassis B.196.DG. | 30th May 1938 | Box 146 \ 1 scan0258 | |
| Letter regarding a streamline car's completion, potential trials for the Le Mans race, and spare wheel placement on Bentley cars. | 30th May 1938 | Box 146 \ 1 scan0259 | |
| Letter responding to a request for sales statistics of English cars, stating they are unavailable. | 30th May 1938 | Box 146 \ 1 scan0260 | |
| The investigation and repair of an engine thud and knock in chassis B.I25.GP. | 30th May 1938 | Box 146 \ 1 scan0261 | |
| Technical report on crankshaft and main bearing measurements, damage analysis, and repairs. | 30th May 1938 | Box 146 \ 1 scan0262 | |
| The failure of stud FB.1855 and the subsequent fitting of a strengthened front crossmember. | 31th May 1938 | Box 146 \ 1 scan0263 | |
| Communication regarding a rattling issue in Bentley rear silencers, caused by failing clips or loose rivets. | 30th May 1938 | Box 146 \ 1 scan0264 | |
| Herman Cron clutch issues, including grooving, thermoid qualities, and spring modifications. | 1st Jun 1938 | Box 146 \ 1 scan0265 | |
| Customer complaints and subsequent repairs for Chassis 3.CP.88, owned by Mr. Herman Cron. | 23th May 1938 | Box 146 \ 1 scan0266 | |
| The rapid scoring of flywheels and pressure rings potentially caused by new compound cushioned clutch plates. | 1st Dec 1937 | Box 146 \ 1 scan0267 | |
| Correspondence from Levallois regarding Phantom III clutch problems and a request for lighter springs. | 1st Jun 1938 | Box 146 \ 1 scan0268 | |
| Letter discussing the progress of a Bentley streamlined car and its potential readiness for the Le Mans race. | 1st Jun 1938 | Box 146 \ 1 scan0269 | |
| Potential causes for seized main bearings, focusing on crank ovality and material analysis. | 3rd Jun 1938 | Box 146 \ 1 scan0270 | |
| The supply, testing, and painting of springs. | 4th Jun 1938 | Box 146 \ 1 scan0271 | |
| Report discussing the causes of extraordinary engine main bearing wear on chassis B.125-GP. | 4th Jun 1938 | Box 146 \ 1 scan0272 | |
| Decision to bear costs for work done and noting a potential operational issue. | 4th Jun 1938 | Box 146 \ 1 scan0273 | |
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