| Description | Date | Identifier | |
| Correspondence arranging the collection and repair of three customer vehicles experiencing juddering brakes. | 11th Dec 1934 | Box 84 \ 2 scan0216 | |
| Confirming arrangements for a mechanic to attend to several customer cars in London. | 12th Dec 1934 | Box 84 \ 2 scan0217 | |
| Arrangements for the inspection of a Bentley with brake problems from Rippon Bros. | 13th Dec 1934 | Box 84 \ 2 scan0218 | |
| Failure on chassis B-11-AE, requesting information on its history and any previous issues. | 14th Dec 1934 | Box 84 \ 2 scan0219 | |
| Delivery of the Rippon Bros. Trials Car B-162-AH for brake attention. | 15th Dec 1934 | Box 84 \ 2 scan0220 | |
| Brake judder and suggesting modifications to brake drum drain holes for improved water drainage. | 15th Dec 1934 | Box 84 \ 2 scan0221 | |
| From 'Hs.' to 'Sg.' about delays with a Bentley brakes job, clarifying that 'Rm.' was not responsible. | 16th Dec 1934 | Box 84 \ 2 scan0222 | |
| Eight major complaints with the Bentley braking system and proposed solutions. | 17th Dec 1934 | Box 84 \ 2 scan0223 | |
| Technical report on mitigating vehicle tramping and wet brake issues for existing and future cars. | 17th Dec 1934 | Box 84 \ 2 scan0224 | |
| Brake judder issues at low speeds and potential solutions. | 17th Dec 1934 | Box 84 \ 2 scan0225 | |
| Technical report on front and rear brake issues and proposed solutions. | 17th Dec 1934 | Box 84 \ 2 scan0226 | |
| Technical discussion on braking issues, including front brake ineffectiveness and brake fading, for existing and future cars. | 17th Dec 1934 | Box 84 \ 2 scan0227 | |
| Effects of adding weight to the brake drum to mitigate high-speed tramping. | 17th Dec 1934 | Box 84 \ 2 scan0228 | |
| Photograph showing a close-up view of the front left wheel, suspension, and braking system of a vehicle. | 17th Dec 1934 | Box 84 \ 2 scan0229 | |
| Solution for juddering brakes on three customers' cars by fitting Ferodo Bonded Asbestos liners. | 17th Dec 1934 | Box 84 \ 2 scan0230 | |
| Investigation into brake judders on three Bentley motor cars following washing. | 17th Dec 1934 | Box 84 \ 2 scan0231 | |
| Report page discussing uneven braking due to water in the drums and a customer's general dissatisfaction. | 17th Dec 1934 | Box 84 \ 2 scan0232 | |
| Experimental work, issues, and delays related to Bentley brakes and axle control. | 17th Dec 1934 | Box 84 \ 2 scan0233 | |
| Issue of juddering brakes on three customer cars and proposed solutions. | 18th Dec 1934 | Box 84 \ 2 scan0234 | |
| Chassis deflection due to front braking on Bentley and Spectre models, concluding the Spectre front end needs modifications. | 18th Dec 1934 | Box 84 \ 2 scan0235 | |
| Chassis deflection caused by front braking on a Bentley a Spectre. | 18th Dec 1934 | Box 84 \ 2 scan0236 | |
| Report discussing chassis frame buckling, distortion, and comparisons with Cadillac and La Salle, alongside an analysis of torque testing and front brake juddering. | 18th Dec 1934 | Box 84 \ 2 scan0237 | |
| Short memo regarding ongoing intensive work on brake judders. | 20th Dec 1934 | Box 84 \ 2 scan0238 | |
| The mechanical efficiency of brake system components. | 21th Dec 1934 | Box 84 \ 2 scan0239 | |
| Investigation into the mechanical efficiency of brake system components, with a focus on braking loss in the Spectre model. | 21th Dec 1934 | Box 84 \ 2 scan0240 | |
| Analysis of the efficiency and performance of various mechanical components, including toggles, cables, and brake linkages. | 21th Dec 1934 | Box 84 \ 2 scan0241 | |
| Report page detailing the efficiency and friction analysis of a torsion shaft, pin joints, and a lever system. | 21th Dec 1934 | Box 84 \ 2 scan0242 | |
| Graphs of Bowden Cable efficiency against angle at various loads. | 21th Dec 1934 | Box 84 \ 2 scan0243 | |
| Blueprint graph showing the efficiency of Bentley brake toggles under varying loads. | 21th Dec 1934 | Box 84 \ 2 scan0244 | |
| Graph and table detailing the efficiency of a Bowden Cable at various angles and loads. | 21th Dec 1934 | Box 84 \ 2 scan0245 | |
| Graph showing efficiency and hysteresis readings for a torsion shaft in a 20-25 front axle. | 21th Dec 1934 | Box 84 \ 2 scan0246 | |
| Graph showing the efficiency and deflection of a pin-jointed octagon under load. | 21th Dec 1934 | Box 84 \ 2 scan0247 | |
| Graph showing the efficiency of one and six brake levers against input load. | 21th Dec 1934 | Box 84 \ 2 scan0248 | |
| Side view diagram of a front axle and brake drum assembly. | 21th Dec 1934 | Box 84 \ 2 scan0249 | |
| Photograph showing a load test on a series of linked components using a spring balance. | 24th Dec 1934 | Box 84 \ 2 scan0250 | |
| Follow-up memo regarding an investigation into brake judder and a subsequent complaint of brake squeaking. | 24th Dec 1934 | Box 84 \ 2 scan0251 | |
| Requesting a report on a Bentley car's brakes sent for examination by Rippon Bros. | 27th Dec 1934 | Box 84 \ 2 scan0252 | |
| Cover memo from 'Wor' requesting a reply to an attached document. | 28th Dec 1934 | Box 84 \ 2 scan0253 | |
| Work on chassis B-136-AH and a water exclusion scheme. | 28th Dec 1934 | Box 84 \ 2 scan0254 | |
| Brake jaggers on Bentley cars caused by water on the liners, requesting the completion of water excluding schemes. | 31th Dec 1934 | Box 84 \ 2 scan0255 | |
| Response to a customer complaint regarding brake judder and issues with the dynamo and batteries. | 31th Dec 1934 | Box 84 \ 2 scan0256 | |
| Fitting an improved scheme to a Bentley chassis to prevent water entering the drums. | 1st Jan 1935 | Box 84 \ 2 scan0257 | |
| Fitting water excluders to a Bentley chassis and circulating the information to depots. | 1st Jan 1935 | Box 84 \ 2 scan0258 | |
| The status of experiments on different varieties of water excluders. | 2nd Jan 1935 | Box 84 \ 2 scan0259 | |
| Confirming no design has been issued for a feature on the Bentley Chassis. | 2nd Jan 1935 | Box 84 \ 2 scan0260 | |
| Dynamometer test results and observations concerning wet brake judder on a 3-B-IV system. | 2nd Jan 1935 | Box 84 \ 2 scan0261 | |
| Brake trials, wet brake jaggers, and axle lubrication faults on a Rippon Brothers' trials car. | 3rd Jan 1935 | Box 84 \ 2 scan0262 | |
| Weight breakdown of the Bentley Brake Mechanism, detailing components for the foot brake and hand brake. | 3rd Jan 1935 | Box 84 \ 2 scan0263 | |
| Pivot changeover for Bentley, including testing, standardisation, and other related axle modifications. | 4th Jan 1935 | Box 84 \ 2 scan0264 | |
| Modifications made to front axle drums for water exclusion tests. | 8th Jan 1935 | Box 84 \ 2 scan0265 | |
| Requesting modifications to a front drum for a water exclusion experiment. | 12th Jan 1935 | Box 84 \ 2 scan0266 | |
| Follow-up inquiry regarding a complaint from Rippon Brothers of Huddersfield after brake work was completed. | 16th Jan 1935 | Box 84 \ 2 scan0267 | |
| Technical bulletin regarding high-speed tramping on Bentley cars and the solution to raise the front shock absorber load. | 16th Jan 1935 | Box 84 \ 2 scan0268 | |
| Request for parts to be made to run a Bentley front axle in the Bumper House for brake juddering analysis. | 19th Jan 1935 | Box 84 \ 2 scan0269 | |
| Brief typed memo regarding work carried out for Rippon Bros. of Huddersfield. | 16th Jan 1935 | Box 84 \ 2 scan0270 | |
| Pivot changeover and the development of water excluders to fix brake judders on Bentley cars. | 22th Jan 1935 | Box 84 \ 2 scan0271 | |
| Recommendations for servicing cars, including changing pivots and specific checks on axle control, petrol pumps, and pinion thrust races. | 22th Jan 1935 | Box 84 \ 2 scan0272 | |
| Requesting the urgent adaptation of a successful water excluder for a standard drum. | 22th Jan 1935 | Box 84 \ 2 scan0273 | |
| Outlining two arrangements for testing on a brake judder rig to increase the torsional stiffness of a Bentley axle. | 23th Jan 1935 | Box 84 \ 2 scan0274 | |
| Request to the Pattern Shop for a wood ring for Bentley brake judder experiments. | 25th Jan 1935 | Box 84 \ 2 scan0275 | |
| Sales query on the design and application of new water excluders for Bentleys. | 25th Jan 1935 | Box 84 \ 2 scan0276 | |
| Fitting, necessity, and painting of a water excluder, with reference to an attached sketch. | 28th Jan 1935 | Box 84 \ 2 scan0277 | |
| Complaints of water entering the front brake drums on a Bentley and the experimental fitting of a new water excluder. | 30th Jan 1935 | Box 84 \ 2 scan0278 | |
| Tests for excluding water from front brake drums. | 30th Jan 1935 | Box 84 \ 2 scan0279 | |
| Tests for devices designed to prevent water from entering front brake drums, which causes juddering. | 30th Jan 1935 | Box 84 \ 2 scan0280 | |
| Various schemes and tests for preventing water from entering a brake drum. | 30th Jan 1938 | Box 84 \ 2 scan0281 | |
| Test report on brake drum water excluders, recommending Type 7 for production. | 30th Jan 1935 | Box 84 \ 2 scan0282 | |
| Blueprint illustrating eight different schemes for excluders with a corresponding table of measurements. | 1st Feb 1935 | Box 84 \ 2 scan0283 | |
| Simplifying the water excluding device for Bentley front brakes by making the outer revolving screen solid with the drum. | 1st Feb 1935 | Box 84 \ 2 scan0284 | |
| Complaints of water entering the front brake drums on Bentley cars and the fitting of new sets. | 4th Feb 1935 | Box 84 \ 2 scan0285 | |
| Experimental department report concerning water excluders for a Bentley front axle. | 4th Feb 1935 | Box 84 \ 2 scan0286 | |
| Effectiveness of water excluders on the Bentley Front Axle following tests in muddy conditions. | 4th Feb 1935 | Box 84 \ 2 scan0287 | |
| Testing the latest type of water excluders on a customer's Bentley car experiencing brake issues. | 5th Feb 1935 | Box 84 \ 2 scan0288 | |
| Experimental department report on Bentley Brakes, suggesting remedies for fading. | 5th Feb 1935 | Box 84 \ 2 scan0289 | |
| Technical memorandum discussing issues with brake fading on the Bentley 2-B-IV model and proposed solutions. | 1st Feb 1935 | Box 84 \ 2 scan0290 | |
| Objection to the lack of immediate servo brake assistance during shunting and the risk of fatal accidents at high speeds. | 16th Feb 1935 | Box 84 \ 2 scan0291 | |
| Intensive work on Bentley brakes, focusing on reducing high-speed jaggers and comparing 12' and 14' drum designs. | 5th Feb 1935 | Box 84 \ 2 scan0292 | |
| Experimental department report on the design of 14' Bentley Brake Drums. | 5th Feb 1935 | Box 84 \ 2 scan0293 | |
| The design of 14-inch diameter Bentley front brake drums, aiming for minimum weight, maximum rigidity, and cooling area. | 5th Feb 1935 | Box 84 \ 2 scan0294 | |
| Technical analysis comparing the strength and deflection of different brake drum designs. | 5th Feb 1935 | Box 84 \ 2 scan0295 | |
| Graph showing the static deflection of standard C Series brake drums under various loads. | 5th Feb 1935 | Box 84 \ 2 scan0296 | |
| Graph showing the outwards and inwards static deflection of brake drums against applied load. | 5th Feb 1935 | Box 84 \ 2 scan0297 | |
| Graph showing the static deflection of 'C' Series brake drums, comparing performance with and without a hub plate. | 5th Feb 1935 | Box 84 \ 2 scan0298 | |
| Graph showing the static deflection of a 5 B IV brake drum, comparing the effect of different brake shoes under varying loads. | 5th Feb 1935 | Box 84 \ 2 scan0299 | |
| Graph showing the static deflection of 5 B IV and 'C' Series brake drums under maximum normal brake load. | 5th Feb 1935 | Box 84 \ 2 scan0300 | |
| Blueprint comparing two alternative design schemes for a dimensioned component. | 5th Feb 1935 | Box 84 \ 2 scan0301 | |
| Sudden disappearance of Bentley brakes and the urgent need for a modification. | 5th Feb 1935 | Box 84 \ 2 scan0302 | |
| Modifications to Bentley Front Brakes, specifically regarding a water excluder to prevent water entry and oil leaks. | 13th Feb 1935 | Box 84 \ 2 scan0303 | |
| Experiments on 14' brake drums to optimize rib placement for rigidity and weight. | 14th Feb 1935 | Box 84 \ 2 scan0304 | |
| The production and testing of Bentley front brake water excluders. | 15th Feb 1935 | Box 84 \ 2 scan0305 | |
| Scheme N.Sch.4370 for water excluders, requesting pieces for existing cars and a promise for 12 sets for the Trials cars. | 23th Feb 1935 | Box 84 \ 2 scan0306 | |
| Experiments detailing the characteristics of wet brake judders on a judder rig. | 25th Feb 1935 | Box 84 \ 2 scan0307 | |
| Analysis of brake judder under various conditions and a discussion of its probable causes. | 25th Feb 1935 | Box 84 \ 2 scan0308 | |
| Analysis of the causes and characteristics of incipient and violent brake judder. | 25th Feb 1935 | Box 84 \ 2 scan0309 | |
| Analysis of experiments to understand and cure brake judder by modifying axle stiffness, inertia, and damping. | 25th Feb 1935 | Box 84 \ 2 scan0310 | |
| Analysis of brake judder, discussing damping methods, flexibility, and the effects of wet and dry conditions. | 25th Feb 1935 | Box 84 \ 2 scan0311 | |
| Graph plotting brake torque against speed under various applied loads. | 4th Mar 1935 | Box 84 \ 2 scan0312 | |
| Modifications and clearance issues for water excluders on a Bentley Bump Chassis. | 4th Mar 1935 | Box 84 \ 2 scan0313 | |
| Requesting the production of 14' diameter brake drums for a Bentley car. | 6th Mar 1935 | Box 84 \ 2 scan0314 | |
| Modifications and improvements to water excluders for 12' Bentley brake drums. | 6th Mar 1935 | Box 84 \ 2 scan0315 | |
| | | | |
