| Description | Date | Identifier | |
| Request to fit four shock dampers from one vehicle to another for testing purposes. | 16th Nov 1937 | Box 83 \ 2 scan0137 | |
| Inspection and removal of dummy shutters prior to a 15,000-mile French running test. | 16th Nov 1937 | Box 83 \ 2 scan0138 | |
| Bent Servo Stop on chassis 6.B.IV, found during 15,000-mile trials, and a recommendation for attention. | 16th Nov 1937 | Box 83 \ 2 scan0139 | |
| Blueprint detailing the condition of a bent servo stop for a B7 gearbox. | 15th Nov 1937 | Box 83 \ 2 scan0140 | |
| Stop on servo levers for the Brakes 6.B.IV system and its unimportance for regular operation. | 17th Nov 1937 | Box 83 \ 2 scan0141 | |
| Production hold-up due to difficulty in sourcing bearings for the overdrive box. | 23th Nov 1937 | Box 83 \ 2 scan0142 | |
| Fan failure on car model 6.B.IV, detailing the cause and subsequent actions. | 24th Nov 1937 | Box 83 \ 2 scan0143 | |
| Laboratory report on the failure analysis of a Wraith fan blade. | 16th Nov 1937 | Box 83 \ 2 scan0144 | |
| Temporary rear brake equaliser parts made of Aluminium Bronze, with a warning against their use under heavy braking. | 2nd Dec 1937 | Box 83 \ 2 scan0145 | |
| Instruction to remove gaiters from the road springs of a Bentley 15,000 Miles Test Car. | 1st Dec 1937 | Box 83 \ 2 scan0146 | |
| Instructing a change in car specification for an official test regarding the brakes. | 1st Dec 1937 | Box 83 \ 2 scan0147 | |
| Modifications and adjustments to Bentley Unit No. B.24, covering induction pipes, rings, throttle, clutch, and brakes. | 7th Dec 1937 | Box 83 \ 2 scan0148 | |
| Technical note discussing high pedal pressure, its causes, and modifications made to the brake system. | 7th Dec 1937 | Box 83 \ 2 scan0149 | |
| Car's specification, gear ratios with an overdrive box, and future testing plans. | 8th Dec 1937 | Box 83 \ 2 scan0150 | |
| Performance issues of a car, covering the engine starter, timing gears, ride comfort, and steering. | 10th Dec 1937 | Box 83 \ 2 scan0151 | |
| Secret memo discussing bodywork proposals and testing plans with coachbuilders Park Ward for Bentley and Phoenix models. | 12th Dec 1937 | Box 83 \ 2 scan0152 | |
| From Sg. to Hn. concerning a new coachbuilding undertaking and associated financial matters. | 10th Dec 1937 | Box 83 \ 2 scan0153 | |
| Decision to fit a new Park Ward body and overdrive gearbox to chassis 6.B.IV. | 11th Dec 1937 | Box 83 \ 2 scan0154 | |
| Short memo confirming the correct ratio for aluminium bronze brake levers. | 11th Dec 1937 | Box 83 \ 2 scan0155 | |
| The fitting of a new experimental body to chassis 6-B-IV by Park Ward & Co. | 13th Dec 1937 | Box 83 \ 2 scan0156 | |
| The performance and drawbacks of a new overdrive gearbox. | 13th Dec 1937 | Box 83 \ 2 scan0157 | |
| Letter to Park Ward & Co. Ltd. regarding the inspection of a 6.B.IV Bentley having a new body and galvanised stoneguards fitted. | 15th Dec 1937 | Box 83 \ 2 scan0158 | |
| Road test feedback and sales point suggestions for a Bentley model. | 15th Dec 1937 | Box 83 \ 2 scan0159 | |
| To 'Waller' concerning the collection of Experimental Car 6-B-IV with a new body from Park Ward & Co. | 21th Dec 1937 | Box 83 \ 2 scan0160 | |
| Forwarding a note from Park Ward regarding a 6.B.IV body. | 24th Dec 1937 | Box 83 \ 2 scan0161 | |
| Letter from coachbuilder Park Ward & Co. Ltd regarding an experimental body on chassis 6-B-IV. | 22th Dec 1937 | Box 83 \ 2 scan0162 | |
| Request to replace specific brake levers and correct brake rope lengths due to performance issues. | 30th Dec 1937 | Box 83 \ 2 scan0163 | |
| Fitting a thermostat system to the 6.B.IV car and cancelling previous instructions for car B.23.AE. | 30th Dec 1937 | Box 83 \ 2 scan0164 | |
| List of eight work instructions to be carried out on a specific car. | 1st Jan 1938 | Box 83 \ 2 scan0165 | |
| Bush seizure failure in an overdrive gearbox on a Bentley and subsequent testing. | 3rd Jan 1938 | Box 83 \ 2 scan0166 | |
| Instruction memo for modifying and fitting a thermostat scheme to car 6.B.IV. | 3rd Jan 1938 | Box 83 \ 2 scan0167 | |
| Replacement of axle gears and subsequent inspection for damage on a Bentley O.B.IV. | 4th Jan 1938 | Box 83 \ 2 scan0168 | |
| Various tyres and oil for despatch to Chateauroux for 15,000-mile tests in France. | 5th Jan 1938 | Box 83 \ 2 scan0169 | |
| Requesting the re-lining of rear brakes with Ferodo MR3. | 5th Jan 1938 | Box 83 \ 2 scan0170 | |
| Request to re-line the rear brakes with Ferodo MR3 and retain the old BZ lined shoes as spares. | 5th Jan 1938 | Box 83 \ 2 scan0171 | |
| Requesting to fit a special Neoprene water connection hose to an o.B.IV top water pipe. | 6th Jan 1938 | Box 83 \ 2 scan0172 | |
| Request to send an official order to Messrs. Sanderson & Holmes for 2 gallons of Mobiloil A. | 6th Jan 1938 | Box 83 \ 2 scan0173 | |
| Fitting tested black springs to a car's clutch. | 6th Jan 1938 | Box 83 \ 2 scan0174 | |
| Urgent internal memo regarding a discrepancy in the engine number for chassis 6.B.IV, comparing the official documents with the registration book. | 8th Jan 1938 | Box 83 \ 2 scan0175 | |
| Correcting the engine number for chassis 6.B.1V. | 10th Jan 1938 | Box 83 \ 2 scan0176 | |
| Fitting of a corrected thermostat unit to car 6.B.IV. | 11th Jan 1938 | Box 83 \ 2 scan0177 | |
| Letter to Waller regarding car preparations for a trip to the South of France. | 11th Jan 1938 | Box 83 \ 2 scan0178 | |
| Instructions to rectify detonation trouble on a unit by modifying a standard Bentley cylinder head and associated parts. | 12th Jan 1938 | Box 83 \ 2 scan0179 | |
| Memo from Sporthotel Hermann in Davos-Dorf arranging a return to the works and discussing future leave. | 14th Jan 1938 | Box 83 \ 2 scan0180 | |
| Modifications to a car's axle gears, pinion bearing, and propeller shaft. | 15th Jan 1938 | Box 83 \ 2 scan0181 | |
| Requesting modification to the controlling rheostat and brush load on car heaters. | 19th Jan 1938 | Box 83 \ 2 scan0182 | |
| 15,000-mile test car report for a Bentley. | 21th Jan 1938 | Box 83 \ 2 scan0183 | |
| Bodywork issues, specifically creaks, thumps, and wind noise. | 21th Jan 1938 | Box 83 \ 2 scan0184 | |
| Replacing steel bushes with brass bushes in an overdrive gearbox for a car. | 21th Jan 1938 | Box 83 \ 2 scan0185 | |
| Brief memo detailing the status of a Bentley car after arriving in Chateauroux. | 24th Jan 1938 | Box 83 \ 2 scan0186 | |
| Telegram received by telephone regarding a displaced liner in a front drum and the fitting of spares. | 26th Jan 1938 | Box 83 \ 2 scan0187 | |
| Telegram regarding a displaced B liner in an aluminium front drum and the fitting of a spare. | 26th Jan 1938 | Box 83 \ 2 scan0188 | |
| Brief typed memo reporting on the satisfactory running of a Bentley car after arriving in France. | 24th Jan 1938 | Box 83 \ 2 scan0189 | |
| Requesting information on the specification of a Bentley 15,000 Miles Test Car. | 25th Jan 1938 | Box 83 \ 2 scan0190 | |
| Speedometer drive modification needed for the new 10-43 axle ratio on Bentley cars. | 26th Jan 1938 | Box 83 \ 2 scan0191 | |
| Brake issues, diagnostics, and attempted fixes on a Bentley. | 26th Jan 1938 | Box 83 \ 2 scan0192 | |
| Performance and wear of MR.3 brake linings and requesting replacement front brake shoes. | 26th Jan 1938 | Box 83 \ 2 scan0193 | |
| Corrugated metal joint washers for a Bentley exhaust system and a request for spares. | 26th Jan 1938 | Box 83 \ 2 scan0194 | |
| Bentley brake issues, detailing a displaced liner, subsequent juddering, and troubleshooting steps taken. | 26th Jan 1938 | Box 83 \ 2 scan0195 | |
| Report concluding on brake lining wear and friction, requesting new parts for a further trial. | 27th Jan 1938 | Box 83 \ 2 scan0196 | |
| Letter regarding a recurring issue with a Bentley's Aluminium Drum and arranging transport of a Wraith to France. | 27th Jan 1938 | Box 83 \ 2 scan0197 | |
| Replying to a query about the transfer and fitting of various special and standard car parts. | 27th Jan 1938 | Box 83 \ 2 scan0198 | |
| From Chateauroux concerning travel arrangements, a new clutch plate for 6.B.IV, and brake system observations. | 28th Jan 1938 | Box 83 \ 2 scan0199 | |
| Request to source and send replacement Ferodo lined front brake shoes for a Bentley 6.B.1V to the Paris Depot. | 28th Jan 1938 | Box 83 \ 2 scan0200 | |
| Request to send a 10-inch clutch plate by Air Mail to Franco-Britannic Auto Co. Ltd. in Paris. | 28th Jan 1938 | Box 83 \ 2 scan0201 | |
| Issues with Bentley front brakes, including overheating, component failures, and necessary modifications. | 29th Jan 1938 | Box 83 \ 2 scan0202 | |
| Squealing and liner failure issues with aluminium brake drums. | 31th Jan 1938 | Box 83 \ 2 scan0203 | |
| Arrangements for Continental Tests of the 6-B-IV model in France. | 1st Feb 1938 | Box 83 \ 2 scan0204 | |
| Aluminium brake drum failure, attributing the cause to an incorrect proportion of front braking. | 1st Feb 1938 | Box 83 \ 2 scan0205 | |
| Schedule for Continental Tests of an overdrive gearbox. | 2nd Feb 1938 | Box 83 \ 2 scan0206 | |
| Dispatch of a Wilmot Breedon Stabilising Bumper Bar to Paris for testing on Bentley Car 6-B-IV. | 3rd Feb 1938 | Box 83 \ 2 scan0207 | |
| Request to dispatch one Wilmot Breeden stabilising bumper car to the Paris Depot for car 6.B.IV. | 3rd Feb 1938 | Box 83 \ 2 scan0208 | |
| Notification regarding the dispatch of replacement brake parts to Paris. | 4th Feb 1938 | Box 83 \ 2 scan0209 | |
| Query regarding the levers fitted to the 6.B.IV's brakes equalizer. | 4th Feb 1938 | Box 83 \ 2 scan0210 | |
| Positioning of a thermometer bulb for measuring water temperature and requesting data. | 4th Feb 1938 | Box 83 \ 2 scan0211 | |
| From Sg. to Rm. regarding a misunderstanding and frustration over the agreed testing schedule for Continental Tests at Chateauroux. | 4th Feb 1938 | Box 83 \ 2 scan0212 | |
| New bumper bar for the M series, its fixings, and potential issues with support plates. | 4th Feb 1938 | Box 83 \ 2 scan0213 | |
| Girling rear brake failure on a Bentley due to a stripped thread on the brake rod. | 4th Feb 1938 | Box 83 \ 2 scan0214 | |
| Brake failure due to a faulty rod and thread, and the proposed solution. | 5th Feb 1938 | Box 83 \ 2 scan0215 | |
| Requesting more information about oil leaks in a 6.B.IV gearbox to aid investigation. | 8th Feb 1938 | Box 83 \ 2 scan0216 | |
| Brake failure on car 6.B.IV in France due to a transverse rod pulling out of its threaded socket. | 8th Feb 1938 | Box 83 \ 2 scan0217 | |
| Testing arrangements for an overdrive gearbox at Chateauroux. | 7th Feb 1938 | Box 83 \ 2 scan0218 | |
| Telegram regarding a vehicle that has no gears and is proceeding to Paris after fitting a new thrust bearing. | 28th Feb 1938 | Box 83 \ 2 scan0219 | |
| Shipment of a replacement exhaust system and a set of gears to France. | 8th Feb 1938 | Box 83 \ 2 scan0220 | |
| Telegram regarding the dispatch of an exhaust system, gears, and oil to France. | 8th Feb 1938 | Box 83 \ 2 scan0221 | |
| Urgent request for a replacement exhaust system for Bentley Car 6.B.IV. | 8th Feb 1938 | Box 83 \ 2 scan0222 | |
| Despatch of a Bentley II exhaust system for a car being tested in France. | 9th Feb 1938 | Box 83 \ 2 scan0223 | |
| Listing parts to be sent by Air Mail for testing a Bentley car in France. | 19th Feb 1938 | Box 83 \ 2 scan0224 | |
| Broken valve spring and brake rod, with updates on a Wraith model regarding valve bounce speed, oil samples, and a request for a higher axle ratio. | 9th Feb 1938 | Box 83 \ 2 scan0225 | |
| Bentley's Axle Gears & Exhaust System, confirming the despatch of parts and future actions. | 10th Feb 1938 | Box 83 \ 2 scan0226 | |
| Confirming the fitting of a new Bentley front bumper bar and discussing related spring plate failures. | 10th Feb 1938 | Box 83 \ 2 scan0227 | |
| Inconsistent water temperature readings in a Bentley after repositioning the thermometer. | 10th Feb 1938 | Box 83 \ 2 scan0228 | |
| Unresolved leaks in a Bentley gearbox after replacing paper joints. | 10th Feb 1938 | Box 83 \ 2 scan0229 | |
| Modifications and issues with the Bentley braking system. | 10th Feb 1938 | Box 83 \ 2 scan0230 | |
| Gearbox leaks on a Bentley after fitting a new clutch plate. | 10th Feb 1938 | Box 83 \ 2 scan0231 | |
| The dispatch of a rear axle to Messrs. Ferodo Ltd. on loan. | 11th Feb 1938 | Box 83 \ 2 scan0232 | |
| Wraith and Phantom III axle gears, potential ratio changes for car 20.G.Vl, and a supply delay for Bentley gears. | 12th Feb 1938 | Box 83 \ 2 scan0233 | |
| Broken Bentley front wing stay bolts, with a request for a new set and a complaint about their inaccessibility. | 13th Feb 1938 | Box 83 \ 2 scan0234 | |
| The performance of rear axle gears fitted to a Bentley. | 14th Feb 1938 | Box 83 \ 2 scan0235 | |
| Modifications to a Bentley rear axle and Girling brakes, and the dispatch of faulty parts. | 14th Feb 1938 | Box 83 \ 2 scan0236 | |
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