| Description | Date | Identifier | |
| Particulars of Bentley rear axles and the types of washers fitted. | 23th Jun 1937 | Box 84 \ 4 scan0248 | |
| Letter to F.O. Hickling of Ransome & Marles Bearing Co. to arrange a meeting after a visit. | 24th Jun 1937 | Box 84 \ 4 scan0249 | |
| The performance of 'Perfect oil seals' fitted to the rear axles of three Bentley chassis. | 24th Jun 1937 | Box 84 \ 4 scan0250 | |
| Requesting the creation of gauges to measure the pre-load on pinion bearings. | 24th Jun 1937 | Box 84 \ 4 scan0251 | |
| Visit to Ransome & Marles concerning Bentley pinion bearings and preload measurements. | 25th Jun 1937 | Box 84 \ 4 scan0252 | |
| Failure of thrust cages in pinion bearings. | 25th Jun 1937 | Box 84 \ 4 scan0253 | |
| The receipt, inspection, and repair of a rear axle assembly from Bentley Chassis B-189-BL. | 25th Jun 1937 | Box 84 \ 4 scan0254 | |
| Standardisation of a hardened steel pinion bearing adjustment washer to prevent noisy axles. | 24th May 1937 | Box 84 \ 4 scan0255 | |
| Form for the standardisation of parts, with a cost estimate for a component on the 'L' Series chassis. | 28th May 1927 | Box 84 \ 4 scan0256 | |
| Noisy Bentley rear axle, noting that tightening the propeller shaft damper did not solve the issue. | 26th Jun 1937 | Box 84 \ 4 scan0257 | |
| Letter from a gasket manufacturer providing a quotation and suggested modifications for an oil seal. | 26th Jun 1937 | Box 84 \ 4 scan0258 | |
| Page 2 of a letter from Victor Manufacturing & Gasket Co. regarding a design change to use their standard seal. | 26th Jun 1937 | Box 84 \ 4 scan0259 | |
| Drawing detailing a modified lubrication system for a pinion thrust bearing, featuring a Victor Oil Retainer. | 6th Jun 1937 | Box 84 \ 4 scan0260 | |
| Inspection report on the condition of a Rear Axle (10:41 Ratio) from Chassis 1.B.IV. | 29th Jun 1937 | Box 84 \ 4 scan0261 | |
| Sketch showing a distorted and cracked near-side axle shaft after a stress test. | 25th Jun 1937 | Box 84 \ 4 scan0262 | |
| Blueprint detailing the specifications and assembly conditions for a Bentley Crown Wheel & Stud. | 29th Jun 1937 | Box 84 \ 4 scan0263 | |
| Standardisation of a rear axle pinion bearing with 20% increased capacity. | 27th May 1937 | Box 84 \ 4 scan0264 | |
| Cost estimate for new tools for the 'M' Series chassis, as part of a Bentley parts standardisation program. | 5th Jul 1937 | Box 84 \ 4 scan0265 | |
| Request for the return of a set of axle parts to test different oil seals on an experimental car. | 5th Jul 1937 | Box 84 \ 4 scan0266 | |
| Unsatisfactory oil seal on a Bentley rear axle and a request to fit a replacement Gits seal. | 5th Jul 1937 | Box 84 \ 4 scan0267 | |
| Letter to F.O. Hickling of Ransome & Marles Co., Ltd. regarding deflection measurements and bearing tests for a Bentley axle. | 6th Jul 1937 | Box 84 \ 4 scan0268 | |
| Return of a set of axle parts to the Experimental Department. | 6th Jul 1937 | Box 84 \ 4 scan0269 | |
| The failure of a standardised Bentley Wheel Driver and a request to manufacture new ones from a different material. | 8th Jul 1937 | Box 84 \ 4 scan0270 | |
| Letter to a gasket company requesting sample oil seals for a Bentley rear axle. | 9th Jul 1937 | Box 84 \ 4 scan0271 | |
| Correspondence regarding the supply and testing of a special Double Row Double Purpose Bearing, reference 5/MDJT.30. | 11th Jul 1937 | Box 84 \ 4 scan0272 | |
| The measurement of over-run torque on a Bentley vehicle. | 15th Jul 1937 | Box 84 \ 4 scan0273 | |
| Letter from Ransome & Marles Bearing Co. confirming commencement of a bearing order and requesting an official order. | 21th Jul 1937 | Box 84 \ 4 scan0274 | |
| Letter from Victor Manufacturing & Gasket Co. regarding an axle seal design change and sample shipment. | 22th Jul 1937 | Box 84 \ 4 scan0275 | |
| Requesting a material change for Bentley Chassis Rear Wheel Drivers from S/ZNX to S/ZNCR. | 3rd Aug 1937 | Box 84 \ 4 scan0276 | |
| Increasing number of half-shaft failures on the Bentley B.III and proposed modifications. | 5th Aug 1937 | Box 84 \ 4 scan0277 | |
| Request to send a covering order for a roller and Duplex bearing to Hoffmann Manufacturing Co. | 10th Aug 1937 | Box 84 \ 4 scan0278 | |
| Rear axle temperature tests conducted on a Bentley B 86 BN. | 10th Aug 1937 | Box 84 \ 4 scan0279 | |
| Note on the condition of a pinion, with mileage and temperature data from tests on various oils. | 17th Aug 1937 | Box 84 \ 4 scan0280 | |
| Request for gauges to check measurements on pre-load pinion bearings. | 17th Aug 1937 | Box 84 \ 4 scan0281 | |
| Request to deliberately build a misaligned Bentley axle centre for a stress test on the pinion nose. | 25th Aug 1937 | Box 84 \ 4 scan0282 | |
| Standardisation of parts relating to the rear axle pinion Acme thread clearance, increasing it from .010 to .012. | 5th Jul 1937 | Box 84 \ 4 scan0283 | |
| Notice regarding the nil extra tool cost for a production change on the 'M' Series chassis. | 8th Sep 1937 | Box 84 \ 4 scan0284 | |
| Bearing test to investigate the effect of lateral slack on a bevel pinion application. | 8th Sep 1937 | Box 84 \ 4 scan0285 | |
| Issues with Bentley rear axle thrust race clearances and the need for a lapping machine. | 9th Sep 1937 | Box 84 \ 4 scan0286 | |
| Modification to a Bentley rear axle pinion for testing. | 10th Sep 1937 | Box 84 \ 4 scan0287 | |
| Request to George Angus & Co., Ltd. for three oil seals in 'Gaco' material for testing. | 13th Sep 1937 | Box 84 \ 4 scan0288 | |
| Technical memorandum regarding noisy Bentley rear axles due to a loss of preload on the pinion bearing. | 13th Sep 1937 | Box 84 \ 4 scan0289 | |
| Letter from George Angus & Co Ltd regarding the supply of three sample oil seals for testing. | 15th Sep 1937 | Box 84 \ 4 scan0290 | |
| Letter to George Angus & Co. Ltd. clarifying dimensions for three experimental seals. | 16th Sep 1937 | Box 84 \ 4 scan0291 | |
| Letter from George Angus & Co Ltd correcting a dimensional error for oil seals. | 20th Sep 1937 | Box 84 \ 4 scan0292 | |
| Investigations into the causes of noisy Bentley rear axles, focusing on pinion deflection. | 23th Sep 1937 | Box 84 \ 4 scan0293 | |
| Pinion bearing modifications, load capacities and recommendations for various car models. | 23th Sep 1937 | Box 84 \ 4 scan0294 | |
| Comparative load analysis table for rear axle pinion thrust bearings across various models. | 5th Oct 1937 | Box 84 \ 4 scan0295 | |
| Graph plotting the deflection of a pinion shaft against applied torque for a Bentley rear axle. | 24th Sep 1937 | Box 84 \ 4 scan0296 | |
| Letter from Victor Manufacturing & Gasket Co. confirming the shipment of oil seal samples. | 24th Sep 1937 | Box 84 \ 4 scan0297 | |
| Duplicate export invoice for samples of Victoprene oil seals from a US gasket manufacturer. | 21th Sep 1937 | Box 84 \ 4 scan0298 | |
| Faulty Bentley rear axle thrust bearing from chassis B.155.CW, noting a broken cage and noise. | 24th Sep 1937 | Box 84 \ 4 scan0299 | |
| Inquiry to a bearing company regarding the cost and specifications for a larger bearing for a Bentley back axle. | 24th Sep 1937 | Box 84 \ 4 scan0300 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. regarding a delay in dispatching a special unit. | 25th Sep 1937 | Box 84 \ 4 scan0301 | |
| Modifications to the rear axle for Bentley 11.A & 111 models, covering blueprints and scheme details. | 3rd Oct 1937 | Box 84 \ 4 scan0302 | |
| Letter from Ransome & Marles Bearing Co. Ltd. regarding a proposal for a Bentley rear axle pinion bearing. | 5th Oct 1937 | Box 84 \ 4 scan0303 | |
| Standardisation of parts document for Bentley wheel drivers. | 27th May 1937 | Box 84 \ 4 scan0304 | |
| Estimated cost for new tools required for the production of the 1st chassis in the 'M' Series. | 7th Oct 1937 | Box 84 \ 4 scan0305 | |
| Cost comparison for repairs to a Bentley rear axle. | 19th Oct 1937 | Box 84 \ 4 scan0306 | |
| List of points for consideration regarding the Bentley II.A. rear axle and rear brakes. | 19th Oct 1937 | Box 84 \ 4 scan0307 | |
| List of issues and suggested modifications for rear brakes and rear hubs. | 19th Oct 1937 | Box 84 \ 4 scan0308 | |
| Required modifications for a Rear Brake Equaliser. | 19th Oct 1937 | Box 84 \ 4 scan0309 | |
| Suggested depot sheet for the 4¼ Litre Bentley engine's rear axle. | 20th Oct 1937 | Box 84 \ 4 scan0310 | |
| Depot sheet detailing failure types and repair procedures for Bentley rear axles. | 20th Oct 1937 | Box 84 \ 4 scan0311 | |
| Continued list of parts with quantities, section numbers, and commentary on bearing failures. | 22th Oct 1937 | Box 84 \ 4 scan0312 | |
| Return of rear axle ball bearings to Messrs. Ransome & Marles for examination. | 22th Oct 1937 | Box 84 \ 4 scan0313 | |
| Estimated cost for supplying and fitting strengthened rear axle components for a Bentley chassis. | 19th Oct 1937 | Box 84 \ 4 scan0314 | |
| Points for an axle dynamometer test for Bentley 11A and 111 models. | 25th Oct 1937 | Box 84 \ 4 scan0315 | |
| Request to Hoffmann Manufacturing Co. for a roller bearing sample for a Bentley back axle. | 26th Oct 1937 | Box 84 \ 4 scan0316 | |
| Requesting modifications to a rear axle, including fitting strengthened half shafts, for dynamometer use. | 26th Oct 1937 | Box 84 \ 4 scan0317 | |
| Bentley Pinion Bearings specifications and loads. | 27th Oct 1937 | Box 84 \ 4 scan0318 | |
| Letter to Hoffmann Manufacturing Co. Ltd. regarding a change in a bearing order and specifications for a new pinion bearing. | 27th Oct 1937 | Box 84 \ 4 scan0319 | |
| Letter confirming the despatch of two roller journal bearings following a telephone instruction. | 27th Oct 1937 | Box 84 \ 4 scan0320 | |
| The preloading of thrust bearings for a Bentley Rear Axle and returning parts for modification. | 27th Oct 1937 | Box 84 \ 4 scan0321 | |
| Failure of a roller bearing integral with a Bentley rear axle bevel pinion. | 27th Oct 1937 | Box 84 \ 4 scan0322 | |
| The preloading of GB.2035 thrust bearings for the Bentley Rear Axle and the return of parts for modification. | 27th Oct 1937 | Box 84 \ 4 scan0323 | |
| Official order be sent to Hoffmanns' for two bearings for a Bentley. | 27th Oct 1937 | Box 84 \ 4 scan0324 | |
| Confirming instructions to omit specific parts during a rear axle rebuild. | 28th Oct 1937 | Box 84 \ 4 scan0325 | |
| List of decisions and actions regarding the Bentley 11.A. Rear Axle. | 20th Oct 1937 | Box 84 \ 4 scan0326 | |
| Page instructing the 'G. Dept.' to carry out two detail modifications. | 29th Oct 1937 | Box 84 \ 4 scan0327 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. regarding an oversight in a bearing shipment. | 29th Oct 1937 | Box 84 \ 4 scan0328 | |
| Quotation from Ransome & Marles Bearing Co. for Bentley rear axle pinion bearings. | 29th Oct 1937 | Box 84 \ 4 scan0329 | |
| Quotation from Ransome & Marles Bearing Co. Ltd. for Double Row Double Purpose Bearings. | 29th Oct 1937 | Box 84 \ 4 scan0330 | |
| Notice regarding the fitting of Bentley axle pinion bearings. | 1st Nov 1937 | Box 84 \ 4 scan0331 | |
| Requesting to fit a modified housing to a rear axle pinion. | 2nd Nov 1937 | Box 84 \ 4 scan0332 | |
| Letter to a supplier discussing bearing design modifications, dimensions, and capacity. | 3rd Nov 1937 | Box 84 \ 4 scan0333 | |
| Letter to The Hoffmann Manufacturing Co. Ltd. requesting recommendations for a two-row pinion bearing. | 3rd Nov 1937 | Box 84 \ 4 scan0334 | |
| Work instructions for tests on a rear axle to reduce noise. | 5th Nov 1937 | Box 84 \ 4 scan0335 | |
| Design suggestions and issues related to a Bentley 11 rear axle pinion bearing. | 5th Nov 1937 | Box 84 \ 4 scan0336 | |
| Options for axle bearings, comparing pre-loading, radial control, and proposals for a new three-row bearing scheme. | 5th Nov 1937 | Box 84 \ 4 scan0337 | |
| Work instructions for a 1-B-IV rear axle pinion and bearing unit. | 9th Nov 1937 | Box 84 \ 4 scan0338 | |
| Proposal for new rear axle pinion bearings for the Bentley 11A and 111 models. | 11th Nov 1937 | Box 84 \ 4 scan0339 | |
| Instructions for a Bentley axle noise test on two different pinion units. | 15th Nov 1937 | Box 84 \ 4 scan0340 | |
| Letter to The Hoffmann Manufacturing Co. Ltd. discussing bearing design specifications and modifications. | 15th Nov 1937 | Box 84 \ 4 scan0341 | |
| From the Chassis Project Office discussing bearing specifications and potential cost savings. | 15th Nov 1937 | Box 84 \ 4 scan0342 | |
| Attempts to fix overrun axle noise on Bentley cars by pre-loading the pinion bearing. | 16th Nov 1937 | Box 84 \ 4 scan0343 | |
| Letter from The Hoffmann Manufacturing Co. Ltd. regarding an omitted drawing and an updated bearing reference. | 17th Nov 1937 | Box 84 \ 4 scan0344 | |
| Blueprint detailing the design and specifications of a special bearing assembly. | 30th Jul 1937 | Box 84 \ 4 scan0345 | |
| Dynamometer test results for a modified Bentley II.A. Axle. | 18th Nov 1937 | Box 84 \ 4 scan0346 | |
| Hoffmann roller bearing wearing into a distance piece on a Bentley II.A. rear axle differential box. | 18th Nov 1937 | Box 84 \ 4 scan0347 | |
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