| Description | Date | Identifier | |
| Letter to The Hoffman Manufacturing Co. Ltd. regarding the return of two noisy bearings. | 15th Mar 1937 | Box 93 \ 3 scan0285 | |
| Letter from Hoffmann Manufacturing Co. regarding remarks on returned N.2001 bearings. | 17th Mar 1937 | Box 93 \ 3 scan0286 | |
| Requesting the removal of a clutch trunnion and fitting a propeller shaft damper on car 37-EX. | 18th Mar 1937 | Box 93 \ 3 scan0287 | |
| Order be placed with Messrs Newton and Bennet for a Phantom III clutch plate. | 19th Mar 1937 | Box 93 \ 3 scan0288 | |
| Requesting the replacement of a clutch plate with one faced with R.A.D.11 material. | 24th Mar 1937 | Box 93 \ 3 scan0289 | |
| Dispatch of a hub and rivets for a Phantom III clutch to a supplier. | 24th Mar 1937 | Box 93 \ 3 scan0290 | |
| Standardisation of parts for the Phantom III, specifically 1 inch extra clutch pedal travel. | 16th Mar 1937 | Box 93 \ 3 scan0291 | |
| Estimated cost for new tools for production of the 'D' Series chassis. | 25th Mar 1937 | Box 93 \ 3 scan0292 | |
| Letter from a bearing manufacturer regarding the analysis of two noisy bearings found to contain foreign matter and distortion. | 25th Mar 1937 | Box 93 \ 3 scan0293 | |
| Instruction memo regarding the replacement of a clutch driven plate for vehicle 37-EX. | 2nd Apr 1937 | Box 93 \ 3 scan0294 | |
| Memo detailing the addition of a cadmium plate and a change in manufacturing process to prevent distortion. | 2nd Apr 1937 | Box 93 \ 3 scan0295 | |
| Chart and sketch detailing distortion measurements for a Nut-Trunnion ballrace diameter. | 31th Mar 1937 | Box 93 \ 3 scan0296 | |
| Letter to The Hoffmann Manufacturing Co., Ltd. acknowledging receipt of their letter. | 5th Apr 1937 | Box 93 \ 3 scan0297 | |
| The modification of a Long type clutch plate for chassis 33-EX. | 5th Apr 1937 | Box 93 \ 3 scan0298 | |
| Request for the manufacture of a specific Phantom III clutch driven plate. | 8th Apr 1937 | Box 93 \ 3 scan0299 | |
| The cost savings and design modifications for the Phantom III revised clutch. | 8th Apr 1937 | Box 93 \ 3 scan0300 | |
| Request to manufacture a centre plate for a Phantom III clutch to adapt an experimental disc. | 13th Apr 1937 | Box 93 \ 3 scan0301 | |
| Complaints about a noisy clutch thrust race on the 35-EX model and an associated experimental scheme. | 19th Apr 1937 | Box 93 \ 3 scan0302 | |
| Requesting an endurance test on a Phantom III clutch plate to assess specific failure points. | 22th Apr 1937 | Box 93 \ 3 scan0303 | |
| Modifications to Phantom III Long Type clutch plates. | 23th Apr 1937 | Box 93 \ 3 scan0304 | |
| Requesting the fitting of a new Ph.III Clutch to vehicle 32-EX. | 27th Apr 1937 | Box 93 \ 3 scan0305 | |
| Request to manufacture a set of anti-rattle springs for the Phantom III clutch fingers. | 3rd May 1937 | Box 93 \ 3 scan0306 | |
| The production changeover to an improved clutch for the Phantom III. | 10th May 1937 | Box 93 \ 3 scan0307 | |
| Despatch of a special Phantom III clutch driven plate and rivets to Ferodo Limited for testing. | 27th May 1937 | Box 93 \ 3 scan0308 | |
| Requesting the preparation of a driven plate for a Ph.III clutch. | 27th May 1937 | Box 93 \ 3 scan0309 | |
| Fitting of new 13.500' Thermoid clutch facings to a hub and plate. | 2nd Jun 1937 | Box 93 \ 3 scan0310 | |
| Request to prepare a clutch disc and steel plates for testing different linings on a Phantom III. | 7th Jun 1937 | Box 93 \ 3 scan0311 | |
| Instructions for component changes on chassis 33-EX, involving the clutch, pedals, and axle shafts. | 8th Jun 1937 | Box 93 \ 3 scan0312 | |
| Requesting the preparation of 6 additional centre plates for a Phantom III clutch. | 8th Jun 1937 | Box 93 \ 3 scan0313 | |
| Urgent memo requesting the replacement of clutch plate facings from VM.20 to Thermoid for vehicle 36-EX. | 9th Jun 1937 | Box 93 \ 3 scan0314 | |
| Return of unused special clutch plates and lighter springs for the Phantom III. | 10th Jun 1937 | Box 93 \ 3 scan0315 | |
| Instruction to fit a production type clutch driven plate with Thermoid and without cushioning springs to car 33-EX. | 21th Jun 1937 | Box 93 \ 3 scan0316 | |
| Request to dispatch two Phantom III clutch plates to Cricklewood due to exhausted stock, and for a follow-up report on their performance. | 21th Jun 1937 | Box 93 \ 3 scan0317 | |
| The urgent despatch of Phantom III clutch plates. | 22th Jun 1937 | Box 93 \ 3 scan0318 | |
| Phantom III clutch plate sent on loan to Messrs. Ferodo Limited. | 23th Jun 1937 | Box 93 \ 3 scan0319 | |
| Trial of a simple servo spring to reduce clutch pedal pressure, which was subsequently fitted to car 33-EX. | 24th Jun 1937 | Box 93 \ 3 scan0320 | |
| Request to fit clutch plate EX.27309 with Thermoid facings to car 37-EX. | 24th Jun 1937 | Box 93 \ 3 scan0321 | |
| Requesting to see and try a car in Derby to assess its lightened clutch pedal pressure. | 28th Jun 1937 | Box 93 \ 3 scan0322 | |
| Instruction memo to swap a clutch pedal and servo bracket between vehicles 33-EX and 32-EX. | 28th Jun 1937 | Box 93 \ 3 scan0323 | |
| Urgent request to manufacture a Phantom III flywheel ring with material and dimension specifications. | 29th Jun 1937 | Box 93 \ 3 scan0324 | |
| Providing instructions for bending and testing a clutch servo spring. | 30th Jun 1937 | Box 93 \ 3 scan0325 | |
| Single set of parts available for a lightened clutch pedal. | 1st Jul 1937 | Box 93 \ 3 scan0326 | |
| Trial of a lightened clutch pedal and inquiring about its production status. | 2nd Jul 1937 | Box 93 \ 3 scan0327 | |
| Requesting the fitting of 5 driven clutch plates from Long Co. of America to standard Phantom III hubs. | 2nd Jul 1937 | Box 93 \ 3 scan0328 | |
| Set of parts for a clutch servo scheme for car 36-EX. | 3rd Jul 1937 | Box 93 \ 3 scan0329 | |
| The Phantom III clutch and pedal, comparing different clutch plates and discussing potential modifications. | 5th Jul 1937 | Box 93 \ 3 scan0330 | |
| Pedal knock issue, potential modifications, and proposed elimination schemes. | 2nd Jul 1932 | Box 93 \ 3 scan0331 | |
| Graph comparing the deflection of different Phantom III clutch driven plates under various pressure plate loads. | 2nd Jul 1932 | Box 93 \ 3 scan0332 | |
| The decision to forgo a suggested increase in the radius of the Phantom III clutch pedal. | 6th Jul 1937 | Box 93 \ 3 scan0333 | |
| New scheme to lighten clutch pedal pressure, which is being trialled on car 32-EX. | 7th Jul 1937 | Box 93 \ 3 scan0334 | |
| Phantom III Clutch Plate Assembly and its associated cost file. | 9th Jul 1937 | Box 93 \ 3 scan0335 | |
| Application of a Borg and Beck servo spring to the Phantom III clutch. | 12th Jul 1937 | Box 93 \ 3 scan0336 | |
| Responding to advice on clutch testing procedures for the 32-EX Phantom III. | 18th Jul 1937 | Box 93 \ 3 scan0337 | |
| Requesting detail drawings for a new Phantom III clutch pedal servo to be issued to the Experimental Dept. | 22th Jul 1937 | Box 93 \ 3 scan0338 | |
| Comparative table of specifications for P.III, 25/30, and Bentley models. | 1st Jul 1937 | Box 93 \ 3 scan0339 | |
| Specifications for a Single Plate 12.C.B. Clutch as supplied to Lincoln. | 14th Feb 1934 | Box 93 \ 3 scan0340 | |
| Letter from Long Manufacturing Company providing specifications for a 12' single plate clutch. | 20th Feb 1934 | Box 93 \ 3 scan0341 | |
| Requesting the balancing of five 13.5' Phantom III clutch plates and the fitting of an omitted oil thrower. | 2nd Aug 1937 | Box 93 \ 3 scan0342 | |
| Instructions for fitting a flywheel ring to Phantom Unit No.14, Chassis 39-EX. | 4th Aug 1937 | Box 93 \ 3 scan0343 | |
| Despatch of Phantom III clutch hubs and associated parts to Borg & Beck. | 5th Aug 1937 | Box 93 \ 3 scan0344 | |
| Order for 100 driven clutch plates for the Phantom III from supplier Borg & Beck. | 5th Aug 1937 | Box 93 \ 3 scan0345 | |
| Correspondence containing extracts regarding a quotation and order for 100 Phantom III clutch plates. | 6th Aug 1937 | Box 93 \ 3 scan0346 | |
| Requesting urgent testing of six Phantom III clutch plates to check up on Borg & Beck's work. | 11th Aug 1937 | Box 93 \ 3 scan0347 | |
| The new, more fragile Thermoid faced clutch plate for the Phantom III, advising on careful handling. | 12th Aug 1937 | Box 93 \ 3 scan0348 | |
| Letter to Borg & Beck Co. Ltd. concerning excessive run-out on tested driven plates for Phantom III clutches. | 12th Aug 1937 | Box 93 \ 3 scan0349 | |
| Letter discussing the condition of five plates, returning one for repair and noting balance issues. | 12th Aug 1937 | Box 93 \ 3 scan0350 | |
| Return of a faulty Phantom III clutch plate to the supplier, Borg & Beck. | 12th Aug 1937 | Box 93 \ 3 scan0351 | |
| Damaged Phantom III clutch plate to be returned to the supplier. | 12th Aug 1937 | Box 93 \ 3 scan0352 | |
| The testing and implementation of Thermoid faced cushion plates for the Phantom III clutch. | 17th Aug 1937 | Box 93 \ 3 scan0353 | |
| Arrival of 13 Phantom III clutch plates from B. & B. and the urgent need for their inspection. | 17th Aug 1937 | Box 93 \ 3 scan0354 | |
| Testing and performance of different clutch servo springs. | 18th Aug 1937 | Box 93 \ 3 scan0355 | |
| Instruction to manufacture six driven plates for the Phantom III clutch with a modification. | 18th Aug 1937 | Box 93 \ 3 scan0356 | |
| Procedure for setting the clutch fingers on a Phantom III when fitting a cushioned plate. | 18th Aug 1937 | Box 93 \ 3 scan0357 | |
| Calculation example and notes regarding clutch plate settings, handling, and maintenance. | 18th Aug 1937 | Box 93 \ 3 scan0358 | |
| Clutch pedal stop for car 32-EX, questioning if the original was moulded or hand-cut and arranging a replacement. | 19th Aug 1937 | Box 93 \ 3 scan0359 | |
| Cost analysis for a PIII Driven Plate, comparing a supplier quotation with in-house costs. | 18th Aug 1937 | Box 93 \ 3 scan0360 | |
| Request to prepare a Phantom III clutch plate for high-speed bursting tests at the Ferodo works. | 24th Aug 1937 | Box 93 \ 3 scan0361 | |
| Solutions for different clutch plate thicknesses for the Phantom III. | 24th Aug 1937 | Box 93 \ 3 scan0362 | |
| Confirming a successful fitting of a long type clutch plate to a Phantom III chassis. | 24th Aug 1937 | Box 93 \ 3 scan0363 | |
| Internal memorandum regarding the arrival and handling of Phantom III clutch plates from Borg & Beck. | 25th Aug 1937 | Box 93 \ 3 scan0364 | |
| Supply and replacement of Phantom III clutch plates. | 27th Aug 1937 | Box 93 \ 3 scan0365 | |
| Supply and standardisation of cushioned plates for the Phantom III Clutch. | 27th Aug 1937 | Box 93 \ 3 scan0366 | |
| Supply and fitting of cushioned clutch plates for the Phantom III. | 27th Aug 1937 | Box 93 \ 3 scan0367 | |
| Instructions for a Depot Sheet on the standardization and fitting of cushioned clutch plates for the Phantom III model. | 27th Aug 1937 | Box 93 \ 3 scan0368 | |
| Specification for the thickness of a ring and the adjustment of a setting plate. | 27th Aug 1937 | Box 93 \ 3 scan0369 | |
| The fitting position of a copper gauze filter for the Phantom III chassis water connection. | 27th Aug 1937 | Box 93 \ 3 scan0370 | |
| Development and testing of Thermoid and Ferodo clutch plate facings. | 31th Aug 1937 | Box 93 \ 3 scan0371 | |
| Increased mechanical strength of Thermoid and its use in facings for 25/30 and Bentley models. | 31th May 1937 | Box 93 \ 3 scan0372 | |
| Letter to Ferodo Ltd. detailing the results of bursting tests on various clutch facings. | 28th Aug 1937 | Box 93 \ 3 scan0373 | |
| Test results for continuous ring versus segmented facings and a request for further test samples. | 28th Aug 1937 | Box 93 \ 3 scan0374 | |
| Supply and stock levels of Phantom III clutch assemblies from supplier Borg & Beck. | 1st Sep 1937 | Box 93 \ 3 scan0375 | |
| The introduction and handling of a new Long type driven plate for the Phantom III clutch. | 6th Sep 1937 | Box 93 \ 3 scan0376 | |
| The fitting of a clutch pedal with increased travel and a revised servo spring. | 7th Sep 1937 | Box 93 \ 3 scan0377 | |
| Faults found in a consignment of 13½' clutch plates and the return of two of them. | 7th Sep 1937 | Box 93 \ 3 scan0378 | |
| Instruction to despatch two 13 1/2 inch clutch plates to Borg & Beck. | 7th Sep 1937 | Box 93 \ 3 scan0379 | |
| Instructing to fit a new clutch pedal, servo, and gearbox No.14.Hs to car 37-EX. | 8th Sep 1937 | Box 93 \ 3 scan0380 | |
| Quotation from George Salter & Co. Ltd. for springs F.89637. | 9th Sep 1937 | Box 93 \ 3 scan0381 | |
| Fitting Thermoid faced Long type clutch plates to customer and sales trial cars for the Phantom III. | 10th Sep 1937 | Box 93 \ 3 scan0382 | |
| Log sheet detailing the supply and fitting of items to various recipients and for trials. | 10th Sep 1937 | Box 93 \ 3 scan0383 | |
| Log of specific jobs or parts, listing reference numbers, associated names, and dates. | 16th Sep 1937 | Box 93 \ 3 scan0384 | |
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