| Description | Date | Identifier | |
| Letter from Borg & Beck regarding modifications to 13½ inch driven clutch plates, referencing blueprint G.84624. | 18th May 1936 | Box 129 \ 3 scan0244 | |
| Letter from Borg & Beck Company Ltd. regarding points discussed during a recent visit. | 18th May 1936 | Box 129 \ 3 scan0245 | |
| Letter to Borg & Beck Ltd. requesting a replacement clutch for a competition car. | 19th May 1936 | Box 129 \ 3 scan0246 | |
| Letter from a clutch manufacturer confirming specifications for a Racing Car Clutch and the rebuilding of other clutches. | 19th May 1936 | Box 129 \ 3 scan0247 | |
| Jaggering clutch issue found on a Bentley Trials Coupé B-2-GA, its cause, and the corrective actions taken. | 19th May 1936 | Box 129 \ 3 scan0248 | |
| To Roy regarding correspondence with Borg & Beck. | 21th May 1936 | Box 129 \ 3 scan0249 | |
| Letter to Borg & Beck Co. Ltd. regarding the production and inspection of clutch plates. | 21th May 1936 | Box 129 \ 3 scan0250 | |
| Letter from supplier Borg & Beck Co. Ltd. regarding the receipt of hubs and dispatch of clutch assemblies. | 19th May 1936 | Box 129 \ 3 scan0251 | |
| Letter from clutch manufacturers Borg & Beck Co. Ltd. enclosing a Technical Data Book for reference. | 20th May 1936 | Box 129 \ 3 scan0252 | |
| Despatching a clutch cover assembly and driven plates for rectification. | 21th May 1936 | Box 129 \ 3 scan0253 | |
| Letter to a supplier regarding the return of faulty clutch components for correction. | 21th May 1936 | Box 129 \ 3 scan0254 | |
| Letter from Borg & Beck regarding the production and testing of a 13 3/4' driven plate for the Phantom III application. | 22th May 1936 | Box 129 \ 3 scan0255 | |
| Letter from Borg & Beck Company Ltd. regarding clutch plate runout, cushioning, and judder issues. | 22th May 1936 | Box 129 \ 3 scan0256 | |
| Message regarding a meeting with Borganbeck of Leamington Spa and a Ferodo representative. | 25th May 1936 | Box 129 \ 3 scan0257 | |
| Withdrawing instructions to send a Driven Plate and facings to Messrs. Borg & Beck. | 26th May 1936 | Box 129 \ 3 scan0258 | |
| Letter to Borg & Beck Co. Ltd. confirming discussions on plate modifications and requesting an experimental version. | 26th May 1936 | Box 129 \ 3 scan0259 | |
| Sending a clutch plate and facings to Borg & Beck Ltd. for refacing. | 26th May 1936 | Box 129 \ 3 scan0260 | |
| Letter from a clutch manufacturer requesting confirmation on an assembly against a drawing. | 26th May 1936 | Box 129 \ 3 scan0261 | |
| Order be placed with Borg & Beck for driven plates. | 27th May 1936 | Box 129 \ 3 scan0262 | |
| Letter from Borg & Beck Company Ltd discussing modifications to 13.5 inch clutch driven plates. | 27th May 1936 | Box 129 \ 3 scan0263 | |
| Letter to Borg & Beck Ltd. regarding an order for driven plates and a discussion on the riveting method. | 27th May 1936 | Box 129 \ 3 scan0264 | |
| Letter to The Borg & Beck Company concerning issues with a sample clutch plate. | 28th May 1936 | Box 129 \ 3 scan0265 | |
| Letter from clutch manufacturers Borg & Beck regarding a previously despatched Technical Data Book. | 28th May 1936 | Box 129 \ 3 scan0266 | |
| Letter from Borg & Beck regarding an order for 10' Driven Plates with Ferodo friction facings and discussing riveting methods. | 28th May 1936 | Box 129 \ 3 scan0267 | |
| Internal request to order a modified Borg & Beck 10A3 clutch for a Bentley. | 28th May 1936 | Box 129 \ 3 scan0268 | |
| Correspondence from clutch manufacturer Borg & Beck regarding a long type compound cushion plate. | 29th May 1936 | Box 129 \ 3 scan0269 | |
| Request to manufacture parts for an experimental Borg & Beck clutch modification. | 29th May 1936 | Box 129 \ 3 scan0270 | |
| Letter to Messrs. Borg & Beck Ltd acknowledging receipt of a Data Book and two letters. | 30th May 1936 | Box 129 \ 3 scan0271 | |
| Querying invoices from Borg & Beck Co. Ltd. for which no corresponding orders exist. | 20th May 1936 | Box 129 \ 3 scan0272 | |
| Letter to Borg & Beck Ltd. chasing up the return of two 10A3 clutches and enquiring about a 10' clutch. | 3rd Jun 1936 | Box 129 \ 3 scan0273 | |
| Letter from Borg & Beck Company Ltd. regarding issues with 13 1/2' Driven Plates and Ferodo facings. | 4th Jun 1936 | Box 129 \ 3 scan0274 | |
| Continuation page of a letter from Borg & Beck Company Limited. | 4th Jun 1936 | Box 129 \ 3 scan0275 | |
| Covering order for goods already delivered from Borg & Beck. | 4th Jun 1936 | Box 129 \ 3 scan0276 | |
| Letter to Messrs. Borg & Beck Ltd. sending drawings for the clutch arrangements of the Bentley and 25/30 HP models. | 4th Jun 1936 | Box 129 \ 3 scan0277 | |
| Letter from clutch manufacturer Borg & Beck regarding the rebuilding and dispatch of 2-10 A3 clutches and a 10' clutch. | 4th Jun 1936 | Box 129 \ 3 scan0278 | |
| Letter from Borg & Beck acknowledging blueprints for clutch arrangements on Bentley and 25/30 HP models. | 5th Jun 1936 | Box 129 \ 3 scan0279 | |
| Request to send a confirmatory order to Borg & Beck for six unthreaded eyebolts for a 25/30 HP clutch. | 6th Jun 1936 | Box 129 \ 3 scan0280 | |
| Letter to supplier Borg & Beck Ltd. regarding component specifications for facings and plates. | 6th Jun 1936 | Box 129 \ 3 scan0281 | |
| Letter from Borg & Beck Company confirming the supply of six 11' Eyebolts without charge. | 6th Jun 1936 | Box 129 \ 3 scan0282 | |
| Sending Ph.III and 10' driven plates to Borg & Beck for rivetting and refacing. | 8th Jun 1936 | Box 129 \ 3 scan0283 | |
| Letter to Borg & Beck Ltd. concerning bursting tests, the return of clutch plates for rectification, and an outstanding order. | 8th Jun 1936 | Box 129 \ 3 scan0284 | |
| Advice note from Borg & Beck Co., Ltd. regarding the despatch of goods. | 9th Jun 1936 | Box 129 \ 3 scan0285 | |
| Letter from a clutch manufacturer regarding production difficulties with 13 1/2 inch driven plates and the dispatch of samples. | 9th Jun 1936 | Box 129 \ 3 scan0286 | |
| Letter from clutch manufacturer Borg & Beck regarding the supply and rectification of various clutch components. | 9th Jun 1936 | Box 129 \ 3 scan0287 | |
| Letter from Borg & Beck Company Ltd., manufacturers of clutches, confirming a meeting arrangement. | 9th Jun 1936 | Box 129 \ 3 scan0288 | |
| Cover note for a letter written to Borg & Beck regarding Phantom III clutch plates. | 10th Jun 1936 | Box 129 \ 3 scan0289 | |
| Production output delay for 'A' series chassis caused by a shortage of clutches from a supplier. | 10th Jun 1936 | Box 129 \ 3 scan0290 | |
| Letter to Borg & Beck Co. Ltd. regarding the quality of clutch plates and facings. | 10th Jun 1936 | Box 129 \ 3 scan0291 | |
| Copy advice note from Borg & Beck Co., Ltd. for returned rectified cover assemblies and driven plates. | 11th Jun 1936 | Box 129 \ 3 scan0292 | |
| Requesting a covering order for a clutch facing supplied by Borg & Beck. | 11th Jun 1936 | Box 129 \ 3 scan0293 | |
| Advice note from Borg & Beck Co., Ltd. for rectified driven plate assemblies. | 12th Jun 1936 | Box 129 \ 3 scan0294 | |
| Advice note from Borg & Beck Co., Ltd. for the dispatch of two 10' spring type driven plates. | 12th Jun 1936 | Box 129 \ 3 scan0295 | |
| Letter to Borg & Beck Ltd. proposing an experimental plate with extra rivets. | 13th Jun 1936 | Box 129 \ 3 scan0296 | |
| Letter from Borg & Beck Company Ltd. regarding a suggested alternative scheme for 13½' driven plates. | 15th Jun 1936 | Box 129 \ 3 scan0297 | |
| Irregularities in the thickness of Borg & Beck driven clutch plates. | 17th Jun 1936 | Box 129 \ 3 scan0298 | |
| Letter regarding the despatch of a special 13.5 inch driven plate ordered by Mr. F. Ll. Smith. | 17th Jun 1936 | Box 129 \ 3 scan0299 | |
| Return of four Phantom III Driven Plate clutch assemblies and a disputed defect. | 17th Jun 1936 | Box 129 \ 3 scan0300 | |
| Letter from Borg & Beck confirming the dispatch of driven plate assemblies for bursting tests for the Phantom III. | 17th Jun 1936 | Box 129 \ 3 scan0301 | |
| The results of an examination of 16 Bentley Borg & Beck clutch plates. | 19th Jun 1936 | Box 129 \ 3 scan0302 | |
| Order to be placed with Borg & Beck for a service gauge plate. | 20th Jun 1936 | Box 129 \ 3 scan0303 | |
| Letter to Borg & Beck concerning unsatisfactory 10' clutches fitted to Bentley cars, detailing service issues and a proposed agreement. | 20th Jun 1936 | Box 129 \ 3 scan0304 | |
| New specifications for friction discs and clutches for Bentley and 20/25 models. | 20th Jun 1936 | Box 129 \ 3 scan0305 | |
| Sending an incorrectly set 10A clutch to Borg & Beck for rectification. | 20th Jun 1936 | Box 129 \ 3 scan0306 | |
| Quality control issues with 10-inch Borg & Beck clutch discs from a new supplier. | 20th Jun 1936 | Box 129 \ 3 scan0307 | |
| Failure of clutch fabric on the Phantom III and subsequent experiments with new materials. | 22th Jun 1936 | Box 129 \ 3 scan0308 | |
| The development and whirling tests of Phantom III clutch friction facings. | 22th Jun 1936 | Box 129 \ 3 scan0309 | |
| Test report on different plate designs, comparing vulcanised facings, riveting methods, and materials, with references to Ferodo and Borg & Beck. | 22th Jun 1936 | Box 129 \ 3 scan0310 | |
| Letter from clutch manufacturer Borg & Beck regarding production and supply issues with Eyebolts. | 22th Jun 1936 | Box 129 \ 3 scan0311 | |
| Letter from Borg & Beck Company regarding tensile and bursting tests for a 13.5 inch English made 'HYCO' facing clutch disc. | 23th Jun 1936 | Box 129 \ 3 scan0312 | |
| Modifications to the Phantom III clutch to manage Ferodo dust accumulation. | 23th Jun 1936 | Box 129 \ 3 scan0313 | |
| Request to order four service gauge plates for 10' and 11' clutches from Borg & Beck. | 23th Jun 1936 | Box 129 \ 3 scan0314 | |
| Letter to Borg & Beck Ltd. regarding clutch satisfaction and providing a list of suggested firms for further communication. | 23th Jun 1936 | Box 129 \ 3 scan0315 | |
| Letter regarding a recent consignment of driven plates and clutches. | 23th Jun 1936 | Box 129 \ 3 scan0316 | |
| Letter declining a request to machine Eye Bolts and suggesting alternative suppliers. | 23th Jun 1936 | Box 129 \ 3 scan0317 | |
| Letter to Borg & Beck Ltd. discussing experiments on clutch plates and requesting new samples for testing. | 25th Jun 1936 | Box 129 \ 3 scan0318 | |
| Order request to Borg & Beck for various specifications of driven plates. | 25th Jun 1936 | Box 129 \ 3 scan0319 | |
| The urgent dispatch of a Borg & Beck clutch to St. Pancras for a customer's car. | 26th Jun 1936 | Box 129 \ 3 scan0320 | |
| Shortage of Borg & Beck clutches, suggesting an increased finger setting limit to prevent production delays. | 26th Jun 1936 | Box 129 \ 3 scan0321 | |
| Letter from a clutch manufacturer discussing clutch facing materials and manufacturing feasibility for a Bentley chassis. | 26th Jun 1936 | Box 129 \ 3 scan0322 | |
| Laboratory report on clutch facing test pieces, detailing maximum stress results for English 'HYCOE' material. | 29th Jun 1936 | Box 129 \ 3 scan0323 | |
| Request to inspect and replace a faulty clutch on car 33-EX due to squeaking and a smell of rubber. | 30th Jun 1936 | Box 129 \ 3 scan0324 | |
| Letter to Borg & Beck Co. Ltd. about clutch plates, confirming a request for two 10' plates with .125 facings. | 30th Jun 1936 | Box 129 \ 3 scan0325 | |
| Letter from a clutch manufacturer confirming an order for two 10' driven plates with specific facings. | 1st Jul 1936 | Box 129 \ 3 scan0326 | |
| Letter to Borg & Beck Ltd. requesting clutch springs and detailing tensile strength test results for 'Hycoe' material. | 6th Jul 1936 | Box 129 \ 3 scan0327 | |
| Letter comparing the strength of American 'Hycoe' material to English facings. | 6th Jul 1936 | Box 129 \ 3 scan0328 | |
| Requesting an order to be placed with Borg & Beck for thrust springs for the 10A clutch. | 6th Jul 1936 | Box 129 \ 3 scan0329 | |
| Order be placed with Borg & Beck for driven plate assemblies and a special driven plate. | 6th Jul 1936 | Box 129 \ 3 scan0330 | |
| Letter from Borg & Beck regarding tests on a Model 10.A3 Clutch and the supply of springs. | 7th Jul 1936 | Box 129 \ 3 scan0331 | |
| Discussion about Borg & Beck clutches. | 9th Jul 1936 | Box 129 \ 3 scan0332 | |
| Letter to Borg & Beck Ltd. concerning issues with clutch settings and dimensions. | 9th Jul 1936 | Box 129 \ 3 scan0333 | |
| Letter discussing the measurement, materials, and tolerances for driven plates. | 9th Jul 1936 | Box 129 \ 3 scan0334 | |
| Requesting to book into works a delivery of black and white clutch thrust springs from Borg & Beck's. | 9th Jul 1936 | Box 129 \ 3 scan0335 | |
| Introduction of a ventilated Borg & Beck clutch for the Wraith model. | 10th Jul 1936 | Box 129 \ 3 scan0336 | |
| Letter from Borg & Beck Company Ltd concerning the supply and specifications of clutch components. | 11th Jul 1936 | Box 129 \ 3 scan0337 | |
| Request to place an order with Borg & Beck for parts for the 10A) type clutch. | 13th Jul 1936 | Box 129 \ 3 scan0338 | |
| Depot sheet request detailing inspection methods for jaggering clutches on Bentley 4 1/4 litre and 25/30 HP models. | 13th Jul 1936 | Box 129 \ 3 scan0339 | |
| Transmission rattle when moving from rest and the proposed fitment of a propellor shaft damper. | 15th Jul 1936 | Box 129 \ 3 scan0340 | |
| Order for 11A3 clutches from Borg & Beck. | 15th Jul 1936 | Box 129 \ 3 scan0341 | |
| Letter to The Borg & Beck Co. Ltd. regarding the successful testing of clutch parts and placing an urgent order for more. | 15th Jul 1936 | Box 129 \ 3 scan0342 | |
| Letter from Borg & Beck Company Ltd. concerning the testing and production of special 11' clutches. | 16th Jul 1936 | Box 129 \ 3 scan0343 | |
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