| Description | Date | Identifier | |
| Instructions for building and testing Bentley aluminium brake drums with various liners due to scoring issues. | 11th Nov 1936 | Box 85 \ 1 scan0239 | |
| Pair of Bentley rear aluminium drums be sent to an external engineering works. | 11th Nov 1936 | Box 85 \ 1 scan0240 | |
| Fitting of steel liners to Bentley aluminium drums. | 11th Nov 1936 | Box 85 \ 1 scan0241 | |
| Letter to Laystall Motor Engineering Works regarding the process and cost for fitting steel liners into drums. | 11th Nov 1936 | Box 85 \ 1 scan0242 | |
| Page two of a letter discussing tenders and quotations for unmachined and machined liners. | 11th Nov 1936 | Box 85 \ 1 scan0243 | |
| Letter from Lake & Elliot Ltd. regarding an investigation into a badly scored Millenite brake liner. | 11th Nov 1936 | Box 85 \ 1 scan0244 | |
| Internal memorandum regarding a faulty Bentley brake shoe casting that failed during testing. | 12th Nov 1936 | Box 85 \ 1 scan0245 | |
| Modifications to the Bentley III suspension yoke to accommodate two different brake systems. | 13th Nov 1936 | Box 85 \ 1 scan0246 | |
| Modifications to the Bentley brake suspension yoke to accommodate two different brake systems. | 13th Nov 1936 | Box 85 \ 1 scan0247 | |
| Examination of Girling brakes on a Bentley, identifying issues and required modifications. | 14th Nov 1936 | Box 85 \ 1 scan0248 | |
| Issues and proposed modifications for brake and differential systems. | 14th Nov 1936 | Box 85 \ 1 scan0249 | |
| Required improvements to the brake system components and mechanisms. | 16th Nov 1936 | Box 85 \ 1 scan0250 | |
| Required thickness of cast iron liners for aluminium brake drums. | 16th Nov 1936 | Box 85 \ 1 scan0251 | |
| Technical memorandum discussing the viability of using cable-operated Girling brakes on a Bentley III. | 16th Nov 1936 | Box 85 \ 1 scan0252 | |
| Blueprint diagram illustrating a mechanical linkage assembly, labeled as Figure 1. | 16th Nov 1936 | Box 85 \ 1 scan0253 | |
| Diagram of a mechanical linkage mechanism, labeled as Figure 2. | 16th Nov 1936 | Box 85 \ 1 scan0254 | |
| Graph and table detailing the efficiency of a well-oiled Bowden cable. | 17th Nov 1936 | Box 85 \ 1 scan0255 | |
| Urgent request to fabricate a brake rope for a Bentley 1 .B.1V for testing purposes. | 17th Nov 1936 | Box 85 \ 1 scan0256 | |
| Requesting the finishing and testing of a front axle beam for Bentley Girling Brakes. | 18th Nov 1936 | Box 85 \ 1 scan0257 | |
| Results of road tests on Girling brakes fitted to a Bentley 1.B.LV. | 19th Nov 1936 | Box 85 \ 1 scan0258 | |
| Considering the production cost of a carbon steel brake drum liner for Bentley Aluminium Brake Drums. | 14th Nov 1936 | Box 85 \ 1 scan0259 | |
| Letter to a supplier requesting sample flexible cables with specific dimensions for testing. | 21th Nov 1936 | Box 85 \ 1 scan0260 | |
| Instructions for transferring and modifying brake systems between cars 1.B.1V and 6.B.1V. | 25th Nov 1936 | Box 85 \ 1 scan0261 | |
| Design for Bentley III front brakes to accept both Girling and R.R. brake systems. | 26th Nov 1936 | Box 85 \ 1 scan0262 | |
| Requesting a cost and weight analysis for aluminium versus cast iron drums. | 26th Nov 1936 | Box 85 \ 1 scan0263 | |
| The design for fitting either Girling or R.R. front brakes to the Bentley III. | 26th Nov 1936 | Box 85 \ 1 scan0264 | |
| The urgent requirement for two modified standard production Merlin gear wheels for a brake testing rig. | 27th Nov 1936 | Box 85 \ 1 scan0265 | |
| Letter from British Wire Products Limited regarding the production of two test cables for experimental purposes. | 27th Nov 1936 | Box 85 \ 1 scan0266 | |
| Letter to British Wire Products Ltd. requesting details on flexible control cables for experimentation. | 27th Oct 1936 | Box 85 \ 1 scan0267 | |
| Potential causes and evidence for brake squeaks. | 2nd Dec 1936 | Box 85 \ 1 scan0268 | |
| Technical analysis of the causes of brake squeaks and potential cures. | 2nd Dec 1936 | Box 85 \ 1 scan0269 | |
| Brake system development, including materials for drums, liners, and cams to address issues like squeak, rust, and overheating. | 2nd Dec 1936 | Box 85 \ 1 scan0270 | |
| Brake drum design, comparing the properties of aluminium and iron, and methods for improving cooling. | 2nd Dec 1936 | Box 85 \ 1 scan0271 | |
| Analysis of brake drum performance with recommendations for future developments and design improvements. | 2nd Dec 1936 | Box 85 \ 1 scan0272 | |
| Standardisation of parts document for front drums with increased rib height. | 23th Nov 1936 | Box 85 \ 1 scan0273 | |
| Cover note referring to a previous standardisation sheet issued in March 1936. | 28th Sep 1936 | Box 85 \ 1 scan0274 | |
| Unsuccessful modification to a 5.B.IV front axle for increased steering lock and instructions to rebuild the original brakes, with a part clarification for 6.B.IV Girling brakes. | 5th Dec 1936 | Box 85 \ 1 scan0275 | |
| Complaint regarding Bentley rear foot brake shoes seizing due to rusting steel bushes on the anchorage tube. | 5th Dec 1936 | Box 85 \ 1 scan0276 | |
| Rear brake binding and the use of cadmium plating on steel and bronze bushes. | 9th Dec 1936 | Box 85 \ 1 scan0277 | |
| Rear brake binding and the cadmium plating treatment of steel bushes. | 9th Dec 1936 | Box 85 \ 1 scan0278 | |
| Modifications to the front brake operation for the Bentley III (Girling). | 10th Dec 1936 | Box 85 \ 1 scan0279 | |
| Modification to improve the bottom flange pivot cap for Girling brakes on the 6.B.IV model. | 10th Dec 1936 | Box 85 \ 1 scan0280 | |
| Modifications to the front brake operation for the Bentley III (Girling). | 10th Dec 1934 | Box 85 \ 1 scan0281 | |
| Strongly urging an increase in the thickness of cast iron for aluminium brake drums before production. | 16th Nov 1936 | Box 85 \ 1 scan0282 | |
| Instructions for modifying the brakes of a car for bearing tests. | 17th Dec 1936 | Box 85 \ 1 scan0283 | |
| Alternative design for a front brake balancing mechanism for Girling Brakes on a Bentley III. | 19th Dec 1936 | Box 85 \ 1 scan0284 | |
| Letter from the Midland Motor Cylinder Co. Ltd. regarding design modifications and pricing for brake drums. | 21th Dec 1936 | Box 85 \ 1 scan0285 | |
| Letter from The Midland Motor Cylinder Co. Ltd. regarding a drawing of a brake drum. | 21th Dec 1936 | Box 85 \ 1 scan0286 | |
| Request for quotations for brake drum liners for Bentley and Wraith models. | 22th Dec 1936 | Box 85 \ 1 scan0287 | |
| Letter concerning modifications and production costs for a Phantom III rear brake drum. | 23th Dec 1936 | Box 85 \ 1 scan0288 | |
| Request for a replacement steering lever for a Bentley car following a crash. | 4th Jan 1936 | Box 85 \ 1 scan0289 | |
| Request to send a pair of replacement aluminium brake drums with Lepaz liners for car B-56-BN following a crash. | 5th Jan 1937 | Box 85 \ 1 scan0290 | |
| Letter to The Midland Motor Cylinder Co. Ltd. requesting the urgent supply of 'Chromidium' iron brake drum castings for a Bentley motor car test. | 13th Jan 1937 | Box 85 \ 1 scan0291 | |
| Letter from Midland Motor Cylinder Co. Ltd. acknowledging an order for two sets of Brake Drums and Pattern Equipment. | 15th Jan 1937 | Box 85 \ 1 scan0292 | |
| The replacement and refitting of rear brake drums between two vehicles. | 26th Jan 1937 | Box 85 \ 1 scan0293 | |
| Increase in rib diameter for Bentley rear brake drums. | 29th Jan 1937 | Box 85 \ 1 scan0294 | |
| Trial of new non-standard brake linings to resolve Bentley brake squeaks. | 1st Feb 1937 | Box 85 \ 1 scan0295 | |
| Decision to test and procure new Bentley rear brake drums with taller ribs. | 3rd Feb 1937 | Box 85 \ 1 scan0296 | |
| Request for parts to increase the proportion of front braking on Bentley cars. | 3rd Feb 1937 | Box 85 \ 1 scan0297 | |
| Letter from Automotive Products Company Ltd requesting a sample or drawing of the Front Brakes for the experimental 'Bentley' Chassis. | 5th Feb 1937 | Box 85 \ 1 scan0298 | |
| Letter to Automotive Products Company Ltd. declining an offer to improve brakes on an experimental chassis that is being scrapped. | 9th Feb 1937 | Box 85 \ 1 scan0299 | |
| Requesting to urge the production of rear drums (GB.2635) and send them to France for standardization. | 3rd Mar 1937 | Box 85 \ 1 scan0300 | |
| Modifications made to the hand brake lever for the Rear Girling Brakes. | 9th Mar 1937 | Box 85 \ 1 scan0301 | |
| Rear brake issues including oil leaks, water ingress, corrosion and groaning noises. | 10th Mar 1937 | Box 85 \ 1 scan0302 | |
| The unsafe condition of the brakes on car 35-EX, noting worn rears and groaning. | 12th Mar 1937 | Box 85 \ 1 scan0303 | |
| Operation and design of rear Girling brakes and handbrake leverage. | 14th Mar 1937 | Box 85 \ 1 scan0304 | |
| The condition of rear Girling brakes after examination. | 14th Mar 1937 | Box 85 \ 1 scan0305 | |
| Specifications for brake equalizer lever lengths on a standard Bentley and an alternative system. | 19th Mar 1937 | Box 85 \ 1 scan0306 | |
| Request to The Manganese Bronze & Brass Co. for a supply of 8 bronze bushes for testing on a Bentley motor. | 6th Apr 1937 | Box 85 \ 1 scan0307 | |
| Technical drawing for a Bush - Balance Lever, part of the F.G.H.3 standard Oilite bush series. | 1st Jul 1936 | Box 85 \ 1 scan0308 | |
| Buckled front brake toggles on Bentley cars. | 6th Apr 1937 | Box 85 \ 1 scan0309 | |
| The poor wear of an oilite bush in the Bentley Inertia Balancer and potential replacements. | 6th Apr 1937 | Box 85 \ 1 scan0310 | |
| Cover note for documents relating to Oilite Bushes from Manganese Bronze & Brass Co. Ltd. | 6th Apr 1937 | Box 85 \ 1 scan0311 | |
| Letterhead page for Manganese Bronze & Brass Co. Ltd. | 8th Apr 1937 | Box 85 \ 1 scan0312 | |
| Letter from The Manganese Bronze & Brass Co. Ltd. discussing the supply of bushes for an old Bentley car. | 8th Apr 1937 | Box 85 \ 1 scan0313 | |
| Wear issues with Bentley Brakes balancer lever bearings, requesting new bushes and spindles. | 9th Apr 1937 | Box 85 \ 1 scan0314 | |
| Complaint about a rattle in Bentley Brakes and proposing a new anti-judder scheme for trial. | 9th Apr 1937 | Box 85 \ 1 scan0315 | |
| Letter to a supplier declining further experimental supplies of bushes due to excessive wear. | 10th Apr 1937 | Box 85 \ 1 scan0316 | |
| Letter from The Manganese Bronze & Brass Co. Ltd. proposing an alternative 'Oilite' material for bushes due to wear issues. | 12th Apr 1937 | Box 85 \ 1 scan0317 | |
| The second page of a letter from The Manganese Bronze & Brass Co. Ltd. | 12th Apr 1937 | Box 85 \ 1 scan0318 | |
| Brake squeaks on Bentley cars, specifically asking for feedback on non-standard Ferodo brake linings. | 15th Apr 1937 | Box 85 \ 1 scan0319 | |
| Request to reline the foot brakes of vehicle 1.B.1V with Ferodo M.L. material. | 16th Apr 1937 | Box 85 \ 1 scan0320 | |
| Order of Oilite bushes with a specific oil percentage for experimental tests. | 16th Apr 1937 | Box 85 \ 1 scan0321 | |
| Letter to a supplier regarding the trial of 8 bushes for use on an experimental car. | 16th Apr 1937 | Box 85 \ 1 scan0322 | |
| Letter from The Manganese Bronze & Brass Co. Ltd. regarding a sample 'Oilite' fitting for a Bentley Racing Car. | 16th Apr 1937 | Box 85 \ 1 scan0323 | |
| Requesting new foot brake shoes be fitted to the rear brakes to preserve the old liners for a testing rig. | 19th Apr 1937 | Box 85 \ 1 scan0324 | |
| Letter from Manganese Bronze & Brass Co. Ltd. regarding the analysis of a worn pin and the production schedule for new Bushes. | 19th Apr 1937 | Box 85 \ 1 scan0325 | |
| Letter from Manganese Bronze & Brass Co. Ltd. requesting particulars for a part to assess the suitability of their 'Oilite' product. | 19th Apr 1937 | Box 85 \ 1 scan0326 | |
| Attempts to resolve brake squeaks on Bentley cars using different brake linings. | 22th Apr 1937 | Box 85 \ 1 scan0327 | |
| Letter to the Manganese Bronze & Brass Co. Ltd. concerning spindle wear, material specifications, and hardness figures for various components. | 23th Apr 1937 | Box 85 \ 1 scan0328 | |
| The failure of Bentley front brake toggles and a proposed stiffer replacement part. | 24th Apr 1937 | Box 85 \ 1 scan0329 | |
| Service instruction for replacing Bentley anti-judder short balance levers made of aluminium bronze with steel levers. | 26th Apr 1937 | Box 85 \ 1 scan0330 | |
| The effect of different tyre sizes on the braking performance of a Bentley. | 3rd May 1937 | Box 85 \ 1 scan0331 | |
| Line chart comparing brake drum temperatures for front/rear and near-side/off-side wheels over distance during two test runs. | 6th May 1937 | Box 85 \ 1 scan0332 | |
| Incorrect despatch of aluminium bronze anti-judder devices for a Bentley. | 6th May 1937 | Box 85 \ 1 scan0333 | |
| Wear issues with the Bentley anti-brake judder gear and proposing alternative bushes and lubrication methods. | 7th May 1937 | Box 85 \ 1 scan0334 | |
| Wear issues with the Bentley anti-brake judder gear and potential solutions involving different types of bushes and lubrication. | 7th May 1937 | Box 85 \ 1 scan0335 | |
| Letter from The Manganese Bronze & Brass Co. Ltd. regarding the clearance, testing, and supply of Balance Lever Bushes. | 27th Apr 1937 | Box 85 \ 1 scan0336 | |
| Investigating a one-month delay in a design modification for the Wraith, which resulted in scrap parts. | 31th May 1937 | Box 85 \ 1 scan0337 | |
| To reline the brakes with a different material for testing purposes. | 2nd Jun 1937 | Box 85 \ 1 scan0338 | |
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