| Description | Date | Identifier | |
| Solutions for Bentley rear axle leaks and trials for new bearings and lubrication. | 18th Feb 1937 | Box 84 \ 4 scan0148 | |
| Modifications and parts availability for a Bentley rear axle. | 19th Feb 1937 | Box 84 \ 4 scan0149 | |
| Request to send a set of Bentley rear axle parts for testing due to customer complaints. | 20th Feb 1937 | Box 84 \ 4 scan0150 | |
| Confirming the dispatch of improved lubrication parts and a print for the Bentley rear axle. | 22th Feb 1937 | Box 84 \ 4 scan0151 | |
| Examination report on the rear brakes for a B-56-BN rear axle, detailing specific faults found. | 3rd Mar 1937 | Box 84 \ 4 scan0152 | |
| Delayed set of parts for N. Sch. 4985 due to a despatch error. | 13th Mar 1937 | Box 84 \ 4 scan0153 | |
| Bentley rear axle parts regarding modified lubrication of the pinion thrust bearing. | 13th Mar 1937 | Box 84 \ 4 scan0154 | |
| Request to put in hand another 3 sets of parts for the Bentley Rear Axle. | 15th Mar 1937 | Box 84 \ 4 scan0155 | |
| Chasing up overdue test results for a scheme to prevent knocks in Bentley rear axle wheel drivers. | 15th Mar 1937 | Box 84 \ 4 scan0156 | |
| Reporting on the condition of a rear axle, detailing significant oil leaks from the pinion housing. | 17th Mar 1937 | Box 84 \ 4 scan0157 | |
| Wear, looseness, and repairs on a rear axle pinion. | 18th Apr 1937 | Box 84 \ 4 scan0158 | |
| Status of J. Series Bentley rear axles with modified pinions. | 22th Mar 1937 | Box 84 \ 4 scan0159 | |
| Failures in Bentley Wheel Drivers on the B-DG series. | 22th Mar 1937 | Box 84 \ 4 scan0160 | |
| Issues with rear wheel drivers on a particular Bentley series and the sourcing of hubs. | 20th Mar 1937 | Box 84 \ 4 scan0161 | |
| Supply issues with hubs for Bentley cars, specifically the BDG series, and the use of Dunlop versus Rudge Whitworth wheels. | 23th Mar 1937 | Box 84 \ 4 scan0162 | |
| Increasing the number of bolts on the Bentley rear axle to prevent them from stretching under road conditions. | 23th Mar 1937 | Box 84 \ 4 scan0163 | |
| Clarifying the suppliers and drawing numbers for Bentley wire wheel hubs. | 24th May 1937 | Box 84 \ 4 scan0164 | |
| Suppliers for Bentley wire wheel hubs across various production series. | 25th Mar 1937 | Box 84 \ 4 scan0165 | |
| Bentley rear axle failure with a broken offside driver and sheared splines on chassis 105.B1. | 25th Mar 1937 | Box 84 \ 4 scan0166 | |
| Letter from a bearing manufacturer regarding an inspection of a Bentley rear axle casing, identifying lubrication as the main cause of trouble. | 2nd Apr 1937 | Box 84 \ 4 scan0167 | |
| Letter from Ransome & Marles Bearing Co. regarding bearing circulation, enclosing a test report and chart. | 2nd Apr 1937 | Box 84 \ 4 scan0168 | |
| Sketches and measurements checking for squareness and eccentricity on Bentley rear axle pinion components. | 9th Jan 1929 | Box 84 \ 4 scan0169 | |
| Test report on checking component parts of a Bentley rear axle pinion drive to find the reason for cage failures. | 31th Mar 1937 | Box 84 \ 4 scan0170 | |
| Recurring failures in Bentley rear axle drivers and proposing a design modification. | 2nd Apr 1937 | Box 84 \ 4 scan0171 | |
| Pencil drawing of a Bentley rear axle assembly showing a welded stay. | 3rd Apr 1937 | Box 84 \ 4 scan0172 | |
| Modifications to the Bentley back axle to prevent oil leaks from the pinion housing. | 3rd Apr 1937 | Box 84 \ 4 scan0173 | |
| Troubles and remarks concerning the Bentley rear axle. | 7th Apr 1937 | Box 84 \ 4 scan0174 | |
| Design alteration and production schedule for Bentley Chassis G.100050 Rear Wheel Drivers. | 8th Apr 1937 | Box 84 \ 4 scan0175 | |
| Strengthened rear axle drivers for the Bentley Rear Axle. | 12th Apr 1937 | Box 84 \ 4 scan0176 | |
| Drawing of a modified rear wheel driver for a Bentley, intended for replacements only. | 12th Apr 1937 | Box 84 \ 4 scan0177 | |
| Proposed modification to wheel drivers for the Bentley rear axle. | 15th Apr 1937 | Box 84 \ 4 scan0178 | |
| Sourcing a new, higher capacity main bearing for the rear axle pinion. | 15th Apr 1937 | Box 84 \ 4 scan0179 | |
| Stock of Nickel Chrome Steel for Bentley Chassis G.100050 rear wheel drivers. | 16th Apr 1937 | Box 84 \ 4 scan0180 | |
| Letter from a bearing manufacturer detailing the successful completion of a test on a double row double purpose bearing for hubs. | 19th Apr 1937 | Box 84 \ 4 scan0181 | |
| Life test for a bearing to run for 60,000,000 revolutions. | 15th Apr 1937 | Box 84 \ 4 scan0182 | |
| Letter regarding the failure of Bentley Pinion Bearings and a proposal for testing new bearing designs. | 19th Feb 1937 | Box 84 \ 4 scan0183 | |
| Set of parts for a Bentley rear axle and arranging a visit to Kingsbury. | 20th Apr 1937 | Box 84 \ 4 scan0184 | |
| Temporary tie bar scheme for a Bentley rear axle to test for deflection. | 20th Apr 1937 | Box 84 \ 4 scan0185 | |
| Letter to Ransome & Marles Bearing Co. discussing the condition of a test bearing and asking about the test parameters. | 21th Apr 1937 | Box 84 \ 4 scan0186 | |
| Letter from Ransome & Marles Bearing Co. Ltd. discussing the results of a bearing test. | 26th Apr 1937 | Box 84 \ 4 scan0187 | |
| Testing of a Bentley rear axle. | 26th Apr 1937 | Box 84 \ 4 scan0188 | |
| Examination of a faulty Bentley rear axle from a customer's car with repeated pinion bearing trouble. | 26th Apr 1937 | Box 84 \ 4 scan0189 | |
| Double Row, Double Purpose Bearing for a Bentley Rear Axle Bevel Pinion. | 28th Apr 1937 | Box 84 \ 4 scan0190 | |
| Instructing the trial of new oil retainers for Bentley rear axles to reduce wear. | 28th Apr 1937 | Box 84 \ 4 scan0191 | |
| Supply of parts for the Bentley Rear Axle. | 29th Apr 1937 | Box 84 \ 4 scan0192 | |
| Material choice for pinion bearing adjustment washers for the Bentley rear axle. | 29th Apr 1937 | Box 84 \ 4 scan0193 | |
| Strip report on a customer's Bentley rear axle which has had repeated bearing trouble. | 1st May 1937 | Box 84 \ 4 scan0194 | |
| Inspection report and failure analysis of a pinion bearing assembly from chassis B 75 AE. | 30th Apr 1937 | Box 84 \ 4 scan0195 | |
| Rectification of noise issues in six Bentley rear axles. | 3rd May 1937 | Box 84 \ 4 scan0196 | |
| Log of rear axle complaints and the adjustments made to rectify them. | 5th May 1937 | Box 84 \ 4 scan0197 | |
| Log of rear axle complaints and the adjustments made for two different chassis. | 6th May 1937 | Box 84 \ 4 scan0198 | |
| Record of complaints and adjustments made to rear axles for specific chassis. | 7th May 1937 | Box 84 \ 4 scan0199 | |
| Complaints and adjustments made to rear axles for various chassis. | 5th May 1937 | Box 84 \ 4 scan0200 | |
| Noisy Bentley rear axle from chassis B.75 HM, detailing worn and broken components. | 6th May 1937 | Box 84 \ 4 scan0201 | |
| The ordering and introduction of a new Bentley pinion bearing. | 7th May 1937 | Box 84 \ 4 scan0202 | |
| Bentley rear axle troubles, attributing faults to ball races and pinion settings. | 10th May 1937 | Box 84 \ 4 scan0203 | |
| Record of complaints and adjustments made to the rear axles of two chassis. | 6th May 1937 | Box 84 \ 4 scan0204 | |
| Complaints and adjustments made to rear axles. | 7th May 1937 | Box 84 \ 4 scan0205 | |
| Bentley with a broken rear axle. | 11th May 1937 | Box 84 \ 4 scan0206 | |
| Road test of a Bentley car, specifically investigating an issue with the rear axle. | 11th May 1937 | Box 84 \ 4 scan0207 | |
| Responding to a complaint about a Bentley rear axle, model B-75-AE. | 11th May 1937 | Box 84 \ 4 scan0208 | |
| Investigation into seizures on the Bentley rear axle oil thrower and bearing housing cover. | 4th May 1937 | Box 84 \ 4 scan0209 | |
| Noisy Bentley rear axles due to faulty pinion assemblies and proposed solutions. | 25th May 1937 | Box 84 \ 4 scan0210 | |
| Standardisation sheet for Bentley rear axle wheel drivers to prevent knocking. | 26th May 1937 | Box 84 \ 4 scan0211 | |
| Blueprint showing a cross-section of a modified rear axle for a Bentley. | 25th Sep 1936 | Box 84 \ 4 scan0212 | |
| Thread seizures on Bentley rear axles and proposals for testing modifications. | 28th May 1937 | Box 84 \ 4 scan0213 | |
| Faulty Bentley rear axle pinion and crown wheel being returned for inspection. | 28th May 1937 | Box 84 \ 4 scan0214 | |
| Letter from Ransome & Marles Bearing Co. confirming the dispatch of one LJT 35 bearing. | 28th May 1937 | Box 84 \ 4 scan0215 | |
| Letter from Ransome & Marles Bearing Co. Ltd. regarding a modification to a bevel pinion bearing diameter. | 26th May 1937 | Box 84 \ 4 scan0216 | |
| Faulty Bentley rear axle with a damaged pinion, returned for inspection and opinion. | 28th May 1937 | Box 84 \ 4 scan0217 | |
| Faulty Bentley rear axle being returned for a new pinion and crown wheel due to a suspected oil film failure. | 28th May 1937 | Box 84 \ 4 scan0218 | |
| Confirmatory order for an L.J.T.35 bearing. | 29th May 1937 | Box 84 \ 4 scan0219 | |
| From Rm/Gry to KC regarding a delayed arrival at Kingsbury to investigate back axle complaints. | 31th May 1937 | Box 84 \ 4 scan0220 | |
| The standardization of modified wheel drivers for the Bentley Rear Axle. | 1st Jun 1937 | Box 84 \ 4 scan0221 | |
| Letter requesting a quotation for oil seals for a rear axle pinion shaft from Victor Manufacturing & Gasket Co. | 1st Jun 1937 | Box 84 \ 4 scan0222 | |
| Dimensional modifications for Bentley Pinion Bearings supplied by Ransome & Marles. | 1st Jun 1937 | Box 84 \ 4 scan0223 | |
| The introduction of modified rear wheel drivers for Bentley Chassis. | 3rd Jun 1937 | Box 84 \ 4 scan0224 | |
| Letter from a bearing manufacturer regarding returned bearings and manufacturing tolerances. | 2nd Jun 1927 | Box 84 \ 4 scan0225 | |
| The wear of serrations in the hub and driver on a Bentley Chassis, causing knocking complaints. | 2nd Jun 1937 | Box 84 \ 4 scan0226 | |
| Results of tests on rear axle pinion bearings. | 4th Jun 1937 | Box 84 \ 4 scan0227 | |
| Test results for rear axle pinion bearings on the Phantom III and Bentley models. | 31th May 1937 | Box 84 \ 4 scan0228 | |
| Diagram illustrating the test setup for rear axle pinion bearings. | 1st Jun 1937 | Box 84 \ 4 scan0229 | |
| The slack measurement on the inner roller bearings of a Bentley rear axle pinion. | 4th Jun 1937 | Box 84 \ 4 scan0230 | |
| Dispatch of modified rear wheel drivers for a Bentley chassis and the ordering process. | 8th Jun 1937 | Box 84 \ 4 scan0231 | |
| Damaged Bentley rear axle that was returned from reconditioning. | 10th Jun 1937 | Box 84 \ 4 scan0232 | |
| Standardisation Sheet for Wheel Drivers and recommending against hardening the bores. | 11th Jun 1937 | Box 84 \ 4 scan0233 | |
| Inquiry to The Hoffmann Manufacturing Co. regarding the limits of radial slackness for a bearing used in Bentley rear axles. | 11th Jun 1937 | Box 84 \ 4 scan0234 | |
| Arranging the build of 12 modified Bentley rear axles for testing. | 15th Jun 1937 | Box 84 \ 4 scan0235 | |
| Letter from a bearing manufacturer regarding bearing specifications, clearance, and fit. | 15th Jun 1937 | Box 84 \ 4 scan0236 | |
| Production and fitting of a Bentley rear axle nip washer. | 15th Jun 1937 | Box 84 \ 4 scan0237 | |
| Instructions for back axle race replacement, brake modifications, and an engine unit change. | 18th Jun 1937 | Box 84 \ 4 scan0238 | |
| Letter from the Experimental Dept. to Ransome & Marles Bearing Co. Ltd. proposing a meeting to discuss Bentley rear axle pinion bearings. | 21th Jun 1937 | Box 84 \ 4 scan0239 | |
| Bentley rear axle deflections under various loads and bearing configurations. | 21th Jun 1937 | Box 84 \ 4 scan0240 | |
| Bentley axle noise complaint caused by an incorrect radius preventing a race from seating properly. | 22th Jun 1937 | Box 84 \ 4 scan0241 | |
| Repeated Bentley rear axle failure on car 189.B.L., attributed to a reckless driver. | 22th Jun 1937 | Box 84 \ 4 scan0242 | |
| Bentley axle noise complaint, identifying the cause as an incorrectly manufactured radius on the inner race housing. | 22th Jun 1937 | Box 84 \ 4 scan0243 | |
| Repeated Bentley rear axle failure attributed to a reckless driver. | 22th Jun 1937 | Box 84 \ 4 scan0244 | |
| Procedure for replacing the pinion bearing adjustment washer on a Bentley rear axle. | 29th Jun 1937 | Box 84 \ 4 scan0245 | |
| Corrections and road test results for a Bentley 138.J.D. rear axle. | 23th Jun 1937 | Box 84 \ 4 scan0246 | |
| Corrections made to a Bentley 138.J.D. rear axle and brakes. | 23th Jun 1937 | Box 84 \ 4 scan0247 | |
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