| Description | Date | Identifier | |
| Modification to the Bentley bumper bar fixing involving a shouldered stud and modified boss on the dumb iron. | 25th Oct 1935 | Box 118 \ 2 scan0231 | |
| Locking pin failure on a Large Bore Bentley B-56-EN due to incorrect fitting. | 26th Oct 1935 | Box 118 \ 2 scan0232 | |
| The development and fitting of a stabilising bumper bar for the 20/25 model. | 7th Nov 1935 | Box 118 \ 2 scan0233 | |
| Titan Safety Steering Stabiliser from T.T.N. Patents Ltd. | 7th Nov 1935 | Box 118 \ 2 scan0234 | |
| Advertisement leaflet for the 'TITAN' Safety Steering Stabiliser, detailing its features and benefits. | 8th Nov 1935 | Box 118 \ 2 scan0235 | |
| The failure of a Bentley Stabilising Bumper Bar and subsequent design modifications. | 8th Nov 1935 | Box 118 \ 2 scan0236 | |
| Blueprint showing a failure analysis of a stud, pin, and nut assembly. | 28th Nov 1935 | Box 118 \ 2 scan0237 | |
| Instruction memo regarding the fitting of a special bumper bar for 6-B-IV. | 28th Nov 1935 | Box 118 \ 2 scan0238 | |
| Official order for a Special Bentley Stabilising Bumper for Messrs. Wilmot Breeden Ltd. | 28th Nov 1935 | Box 118 \ 2 scan0239 | |
| Letter to supplier Wilmot-Breeden Ltd. regarding a modification to a Bentley 'A' type stabiliser and requesting a bumper for trial. | 28th Nov 1935 | Box 118 \ 2 scan0240 | |
| Letter from Wilmot-Breeden Ltd. regarding the production of a Bentley Type 'A' Stabilising Bumper. | 2nd Dec 1935 | Box 118 \ 2 scan0241 | |
| Letter from Wilmot-Breeden Ltd. regarding a sample 'Bentley Type 'A' Stabilising Bumper'. | 11th Dec 1935 | Box 118 \ 2 scan0242 | |
| Requesting the fitting of rear and front bumpers to a Phantom III vehicle. | 13th Dec 1935 | Box 118 \ 2 scan0243 | |
| Instructing the fitting of a bumper bar to car 6-B-IV. | 18th Dec 1935 | Box 118 \ 2 scan0244 | |
| Necessity and design of a stabilising bumper bar for a Bentley, based on tests conducted on the 6-B-IV model. | 21th Dec 1935 | Box 118 \ 2 scan0245 | |
| Vibration response curves for a bumper on a Bentley 6-B-IV with centrally mounted wings and radiator. | 21th Dec 1935 | Box 118 \ 2 scan0246 | |
| Graph comparing horizontal transverse amplitude and steering wheel vibration felt by the driver across various car models and configurations. | 30th Dec 1935 | Box 118 \ 2 scan0247 | |
| Forwarding a letter and print from a Romanian inventor concerning a special type of bumper. | 30th Dec 1935 | Box 118 \ 2 scan0248 | |
| Drawings for a pneumatic bumper-buffer system. | 24th Dec 1935 | Box 118 \ 2 scan0249 | |
| Letter in French proposing a patented pneumatic bumper system for automobiles. | 24th Dec 1935 | Box 118 \ 2 scan0250 | |
| Letter from a Romanian engineer proposing an invention for application or sale. | 14th Dec 1930 | Box 118 \ 2 scan0251 | |
| Declining interest in a special pneumatic bumper. | 4th Jan 1936 | Box 118 \ 2 scan0252 | |
| Modified suspension design for the Bentley front stabiliser bumper. | 24th Feb 1936 | Box 118 \ 2 scan0253 | |
| The urgent trial and fitting of a new bumper bar sling for Bentley cars. | 28th Feb 1936 | Box 118 \ 2 scan0254 | |
| The design and fitting of a Bentley bumper bar sling, including a list of parts. | 2nd Mar 1936 | Box 118 \ 2 scan0255 | |
| Proposal to standardise and retrospectively fit a Bumper Bar Sling device on 4 1/4 litre Bentley chassis. | 2nd Mar 1936 | Box 118 \ 2 scan0256 | |
| Set of Bentley Bumper Bar Slings ready for fitting and requesting chassis details. | 3rd Mar 1936 | Box 118 \ 2 scan0257 | |
| Modification instructions for the front bumper bar fixing on a Bentley chassis. | 3rd Mar 1936 | Box 118 \ 2 scan0258 | |
| Fitting of safety clips to bumpers on various Bentley chassis following an accident. | 17th Mar 1936 | Box 118 \ 2 scan0259 | |
| Test report on a Bentley Bumper Bar Sling and its effectiveness. | 23th Mar 1936 | Box 118 \ 2 scan0260 | |
| Modification to the B-56-BN Bumper Bar Slings following testing. | 26th Mar 1936 | Box 118 \ 2 scan0261 | |
| The 'U' clip attachment for the Bentley bumper bar sling. | 1st Apr 1936 | Box 118 \ 2 scan0262 | |
| Fitting to prevent the bumper bar from falling under the front axle, Lec.5016. | 10th May 1936 | Box 118 \ 2 scan0263 | |
| Cost estimate for extra jigs, tools, and equipment, with a cost breakdown for new parts. | 26th Mar 1936 | Box 118 \ 2 scan0264 | |
| Scheme for fitting a bumper sling to Bentley cars without a drop front cross member. | 30th Apr 1936 | Box 118 \ 2 scan0265 | |
| Request to fit all experimental cars with bumper bars and to arrange for specific bumpers for a Bentley and a 25/30 model. | 26th May 1936 | Box 118 \ 2 scan0266 | |
| Service report detailing the recurring failure and repair history of a front Wilmot Breedon bumper on chassis B.19.DK. | 3rd Jun 1936 | Box 118 \ 2 scan0267 | |
| Troubleshooting bumper issues by replacing lead weights with wooden blocks. | 3rd Jun 1936 | Box 118 \ 2 scan0268 | |
| Request to obtain various bumpers for 25/30 HP and Bentley models. | 4th Jun 1936 | Box 118 \ 2 scan0269 | |
| Front bumper failures on a Bentley chassis, proposing a material change and design modifications to prevent stud breakages. | 5th Jun 1936 | Box 118 \ 2 scan0270 | |
| Confirming the fitting of a front bumper bar to chassis GAE-20 as requested. | 8th Jun 1936 | Box 118 \ 2 scan0271 | |
| Request to obtain rubber buffers for the Bentley front stabiliser bars from Messrs. Wilmot-Breeden Ltd. | 16th Jun 1936 | Box 118 \ 2 scan0272 | |
| Failure of Wilmot-Breeden front bumpers on Bentley cars, particularly those driven abroad. | 17th Jun 1936 | Box 118 \ 2 scan0273 | |
| Technical memorandum regarding stress issues and proposed design improvements for Wilmot Breeden front bumpers. | 18th Jun 1936 | Box 118 \ 2 scan0274 | |
| Official order for bumper bars and brackets received from J.R. Engineering Co. | 22th Jun 1936 | Box 118 \ 2 scan0275 | |
| Modification to the bumper bar support stud on a Bentley chassis. | 23th Jun 1936 | Box 118 \ 2 scan0276 | |
| Confirming an agreement on a proposal for front bumper fixings for the 25/30-HP model. | 17th Jul 1936 | Box 118 \ 2 scan0277 | |
| Follow-up letter regarding a replacement Wilmot-Breeden front bumper for chassis B.9-BN. | 4th Aug 1936 | Box 118 \ 2 scan0278 | |
| Fitting and design of improved bumper studs for a Bentley chassis. | 7th Aug 1936 | Box 118 \ 2 scan0279 | |
| Collapse of lead weights in a Wilmot-Breeden Bumper and a potential solution. | 20th Aug 1936 | Box 118 \ 2 scan0280 | |
| Casting and machining two bumper bar lead weights in a harder alloy. | 20th Aug 1936 | Box 118 \ 2 scan0281 | |
| Deformation of Wilmot-Breeden bumper bar weights and suggesting a harder, cost-effective lead alloy. | 20th Aug 1936 | Box 118 \ 2 scan0282 | |
| Production issues with deforming lead weights on Bentley Bumper Bars, proposing a harder lead-antimony alloy as a solution. | 21th Aug 1936 | Box 118 \ 2 scan0283 | |
| From the Laboratory suggesting new lead alloys for Wilmot-Breeden bumper bar weights. | 21th Aug 1936 | Box 118 \ 2 scan0284 | |
| Issues with Wilmot Breeden bumpers, concerning clip breakage and lead weight movement. | 26th Aug 1936 | Box 118 \ 2 scan0285 | |
| Letter to J.R. Engineering Co. Ltd. requesting 3 sets of rear fixing brackets for Bentley corner bumpers. | 29th Aug 1936 | Box 118 \ 2 scan0286 | |
| Request to place an order with J.R. Engineering Co. Ltd. for Bentley bumper brackets. | 29th Aug 1936 | Box 118 \ 2 scan0287 | |
| Invoice from Zenith Carburetter Co. Ltd for bypass jets and springs. | 2nd Sep 1936 | Box 118 \ 2 scan0288 | |
| Official order for 8 Bypass Jets from Zenith Carburetter Co Ltd. | 4th Sep 1936 | Box 118 \ 2 scan0289 | |
| Examining new weights and studs for a bumper bar and questioning the lack of a locking mechanism. | 4th Sep 1936 | Box 118 \ 2 scan0290 | |
| The print for the arrangement of weights, stud, and taper pin on a Bentley bumper bar. | 8th Sep 1936 | Box 118 \ 2 scan0291 | |
| Letter to Messrs. Wilmot-Breeden Ltd. requesting a special bumper bar with reduced attachment centres. | 9th Sep 1936 | Box 118 \ 2 scan0292 | |
| Request to issue a covering order to Wilmot-Breeden Ltd. for a special bumper bar. | 9th Sep 1936 | Box 118 \ 2 scan0293 | |
| Design and provision of the rear bumper and fixing for the Wraith II. | 29th Sep 1936 | Box 118 \ 2 scan0294 | |
| Letter to Wilmot Breeden Limited discussing a preference for a design of stabilising bumpers for a Bentley and requesting a sample for testing. | 8th Oct 1936 | Box 118 \ 2 scan0295 | |
| Letter to J.H. Engineering Co. Ltd. regarding the weight and testing of new Phantom III bumper bars. | 23th Oct 1936 | Box 118 \ 2 scan0296 | |
| Sending a new 3 1/2' deep front bumper for the Phantom III to be tested on car 35-Ex. | 20th Oct 1936 | Box 118 \ 2 scan0297 | |
| Letter regarding the testing, specifications and weight reduction for Phantom III Bumper Bars. | 24th Oct 1936 | Box 118 \ 2 scan0298 | |
| Letter to J.R. Engineering Co. Ltd. requesting a 3¼' deep Phantom III front bumper bar. | 26th Oct 1936 | Box 118 \ 2 scan0299 | |
| Letter from J.R. Engineering Co. about the dispatch of a 3 1/2' bumper. | 28th Oct 1936 | Box 118 \ 2 scan0300 | |
| Correspondence with J.R. Engineering Co. Ltd. regarding drawing F.88285 for a weight-reduced bumper bar. | 28th Oct 1936 | Box 118 \ 2 scan0301 | |
| Letter from an engineering company regarding experiments on reducing the weight of bumper F.88285. | 2nd Nov 1936 | Box 118 \ 2 scan0302 | |
| Brief typed cover note acknowledging a previous communication and enclosing a letter to Mr. Fleischmann. | 3rd Nov 1936 | Box 118 \ 2 scan0303 | |
| Letter to Mr. Max Fleischmann regarding an inquiry about a Stabiliser. | 3rd Nov 1936 | Box 118 \ 2 scan0304 | |
| Test schemes for Breeden stabilizer bumpers on the 4 1/4 Litre Bentley chassis. | 3rd Nov 1936 | Box 118 \ 2 scan0305 | |
| Letter to J.R. Engineering Company regarding the weight of Phantom III bumper bars. | 4th Nov 1936 | Box 118 \ 2 scan0306 | |
| To F.J. Hardy regarding quotations for antimonial lead weights for specific chassis. | 10th Nov 1936 | Box 118 \ 2 scan0307 | |
| Testing a modified Wilmot Breeden bumper for a Bentley Chassis. | 10th Nov 1936 | Box 118 \ 2 scan0308 | |
| Inability to supply antimonial lead weights for Bentley Bumper Bars and outsourcing the quotation. | 12th Nov 1936 | Box 118 \ 2 scan0309 | |
| Standardisation of the front bumper for the Wraith II model. | 21th Nov 1936 | Box 118 \ 2 scan0310 | |
| Procurement of bumpers for the Wraith II chassis, specifying the use of parts from the Phantom III. | 21th Nov 1936 | Box 118 \ 2 scan0311 | |
| Follow-up letter to an engineering company regarding the production of lightened bumper bars for endurance testing. | 24th Nov 1936 | Box 118 \ 2 scan0312 | |
| Suggesting a scheme to fit a modified Bentley Bumper Bar to the 25/30 HP model to rectify front-end complaints. | 26th Nov 1936 | Box 118 \ 2 scan0313 | |
| Letter from The JR Engineering Company regarding a delay in manufacturing lightened bumpers due to difficulty in sourcing steel. | 25th Nov 1936 | Box 118 \ 2 scan0314 | |
| Fitting of over-riders to J.R. bumpers for the Wraith II model. | 27th Nov 1936 | Box 118 \ 2 scan0315 | |
| Front end movement complaints for the 20/25 and 25/30 HP models. | 1st Dec 1936 | Box 118 \ 2 scan0316 | |
| Requesting the issue of a covering order for buffers. | 3rd Dec 1936 | Box 118 \ 2 scan0317 | |
| Invoice from British Tyre & Rubber Co.Ltd. for rubber buffers. | 2nd Dec 1936 | Box 118 \ 2 scan0318 | |
| Invoice from The British Tyre & Rubber Co. Ltd for rubber buffers, requesting a covering order for payment. | 2nd Dec 1936 | Box 118 \ 2 scan0319 | |
| Wilmot Breeden stabilisers and the use of a compressed rubber washer to prevent lead weights becoming loose in the bumper. | 5th Dec 1936 | Box 118 \ 2 scan0320 | |
| The loosening of weights and their subsequent replacement and testing over thousands of miles. | 31th Oct 1936 | Box 118 \ 2 scan0321 | |
| Price discrepancy for Bentley bumper bar weights from supplier Wilmot Breedon. | 9th Dec 1936 | Box 118 \ 2 scan0322 | |
| Price discrepancy from a supplier regarding Bentley bumper bar weights made of a lead-antimony alloy. | 9th Dec 1936 | Box 118 \ 2 scan0323 | |
| The investigation into the additional cost of a bumper bar from the supplier Wilmot-Breedons. | 10th Dec 1936 | Box 118 \ 2 scan0324 | |
| Additional cost of a bumper bar from supplier Wilmot-Breedons. | 10th Dec 1936 | Box 118 \ 2 scan0325 | |
| Letter chasing an overdue order for lightened Phantom III bumper bars from The J.R. Engineering Company. | 11th Dec 1936 | Box 118 \ 2 scan0326 | |
| Letter to Messrs Wilmot Breedon Ltd. regarding lead weights containing antimony for the Bentley Bumper Bar. | 12th Dec 1936 | Box 118 \ 2 scan0327 | |
| Requesting an order for a Bentley Stabilising Bumper Bar for a 25/30 trials car. | 14th Dec 1936 | Box 118 \ 2 scan0328 | |
| Letter from Wilmot-Breeden Ltd. to Mr. F.J. Hardy to arrange a meeting. | 14th Dec 1936 | Box 118 \ 2 scan0329 | |
| Requesting nuts to fit a Bentley Bumper Bar to a 25/30 Trials car, GUL.4. | 14th Dec 1936 | Box 118 \ 2 scan0330 | |
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