| Description | Date | Identifier | |
| Letter from Automotive Products Company Ltd regarding a proposed scheme for Jack brackets on a new chassis. | 18th Nov 1936 | Box 139 \ 1 scan0302 | |
| Two alternative methods for changing the hydraulic jacks on Phantom cars. | 18th Nov 1936 | Box 139 \ 1 scan0303 | |
| Request to fit two new hydraulic jacks to car 37-EX. | 18th Nov 1936 | Box 139 \ 1 scan0304 | |
| Requesting a covering order for two Duralumin front jack brackets manufactured by Automotive Products. | 19th Nov 1936 | Box 139 \ 1 scan0305 | |
| Letter from Automotive Products Company Ltd regarding Lockheed Hydraulic Jacks and an order for 200-sets. | 19th Nov 1936 | Box 139 \ 1 scan0306 | |
| Letter to The Automotive Products Company Ltd. agreeing to a jacking proposal and requesting a price quote. | 20th Nov 1936 | Box 139 \ 1 scan0307 | |
| Follow-up memo regarding a held invoice from S. Smith & Sons for jack equipment. | 21th Nov 1936 | Box 139 \ 1 scan0308 | |
| Letter from S. Smith & Sons regarding Jackall rams and arranging for an 18' lift. | 23th Nov 1936 | Box 139 \ 1 scan0309 | |
| Letter to A.W. Nichols of Messrs. S. Smith & Sons confirming the despatch of a set of Phantom III jack brackets. | 24th Nov 1936 | Box 139 \ 1 scan0310 | |
| Requesting the dispatch of Phantom III front and rear jack brackets to Smith's, with a note to also return 4 existing jacks. | 24th Nov 1936 | Box 139 \ 1 scan0311 | |
| Letter to Automotive Products Company Ltd. regarding Jack brackets and the clearance for a cross steering tube. | 24th Nov 1936 | Box 139 \ 1 scan0312 | |
| Return of a set of jacks to Smiths and the commissioning of a new set. | 26th Nov 1936 | Box 139 \ 1 scan0313 | |
| Letter from S. Smith & Sons thanking Rolls-Royce for their letter and confirming the dispatch of Phantom III jack brackets. | 26th Nov 1936 | Box 139 \ 1 scan0314 | |
| Letter from Automotive Products Company Ltd regarding delays with front Jack brackets and Hand Pumps. | 26th Nov 1936 | Box 139 \ 1 scan0315 | |
| Despatch of four Phantom III Hydraulic Jacks for repair. | 28th Nov 1936 | Box 139 \ 1 scan0316 | |
| The despatch and loan of Phantom III Hydraulic Jacks and brackets. | 28th Nov 1936 | Box 139 \ 1 scan0317 | |
| Sending two jacks to Messrs Sessions Ltd. for overhaul and repair. | 30th Nov 1936 | Box 139 \ 1 scan0318 | |
| Letter to Donald Sessions & Company Ltd. regarding the return of six faulty jacks. | 1st Dec 1936 | Box 139 \ 1 scan0319 | |
| Letter from S. Smith & Sons confirming the arrival of Phantom III Jack brackets for adaptation. | 2nd Dec 1936 | Box 139 \ 1 scan0320 | |
| Letter from Donald Sessions & Company Ltd. regarding the modification of six experimental jacks. | 2nd Dec 1936 | Box 139 \ 1 scan0321 | |
| Letter from Automotive Products Company Ltd regarding a quotation for 200 sets of Lockheed hydraulically operated Jacks. | 10th Dec 1936 | Box 139 \ 1 scan0322 | |
| Postscript providing a price quotation for equipment, with additional handwritten cost calculations. | 10th Dec 1936 | Box 139 \ 1 scan0323 | |
| Two sets of DWS Jacks and pumps that were sent in error to Fisher and need to be redirected to JLE at Lillie Hall. | 16th Dec 1936 | Box 139 \ 1 scan0324 | |
| Dispatch of new Phantom III jacks for testing on trials cars. | 16th Dec 1936 | Box 139 \ 1 scan0325 | |
| Letter chasing the delivery of urgently needed Duralumin jack brackets and other parts for an experimental car. | 19th Dec 1936 | Box 139 \ 1 scan0326 | |
| Letter from Automotive Products Company Ltd regarding delays and progress on component delivery. | 21th Dec 1936 | Box 139 \ 1 scan0327 | |
| Advice note from Automotive Products Company for the dispatch of jack brackets for a Phantom Three. | 31th Dec 1936 | Box 139 \ 1 scan0328 | |
| Inquiry regarding potential damage and noise from jacking 3½ or 4¼ litre rear axle cases and the need for reinforcement. | 24th Dec 1936 | Box 139 \ 1 scan0329 | |
| Standardisation of jack pads for thick leaf springs on Bentley models. | 1st Jan 1937 | Box 139 \ 1 scan0330 | |
| Letter from Automotive Products Company confirming the dispatch of a sample Hand Pump for Jacks. | 6th Jan 1937 | Box 139 \ 1 scan0331 | |
| Confirming the fitting of jacks and jack pumps to Phantom lll chassis. | 7th Jan 1937 | Box 139 \ 1 scan0332 | |
| Letter to Automotive Products Company Ltd. requesting a second pair of duralumin front jack brackets. | 7th Jan 1937 | Box 139 \ 1 scan0333 | |
| Letter from Automotive Products Company Ltd. regarding a fluid supply tank for jacks. | 7th Jan 1937 | Box 139 \ 1 scan0334 | |
| Letter from Automotive Products Company regarding the production and potential redesign of Duralumin Front Jack Brackets. | 8th Jan 1937 | Box 139 \ 1 scan0335 | |
| Letter to Automotive Products Company Ltd. regarding a missing supply tank. | 9th Jan 1937 | Box 139 \ 1 scan0336 | |
| Letter to Automotive Products Company Ltd. concerning aluminium brackets and front hoses. | 11th Jan 1937 | Box 139 \ 1 scan0337 | |
| Letter from Automotive Products Company Ltd. regarding the dispatch of a supply tank. | 11th Jan 1937 | Box 139 \ 1 scan0338 | |
| Advice note from Automotive Products Company Ltd. regarding a chromium-plated supply tank assembly. | 9th Jan 1937 | Box 139 \ 1 scan0339 | |
| Letter concerning the despatch of hoses and a quote for expensive aluminium brackets for front jacks. | 12th Jan 1937 | Box 139 \ 1 scan0340 | |
| Letter to Automotive Products Company Ltd. delaying an order for aluminium brackets until a mileage test is completed. | 15th Jan 1937 | Box 139 \ 1 scan0341 | |
| Invoice from R.T. Shelley Ltd. for the overhaul and repair of two jacks. | 14th Jan 1937 | Box 139 \ 1 scan0342 | |
| Payment to R.T. Shelley Ltd. for repairs to jacks. | 18th Jan 1937 | Box 139 \ 1 scan0343 | |
| New aluminium rear jack bracket design for the Wraith II, superseding a previous forged steel version. | 19th Jan 1937 | Box 139 \ 1 scan0344 | |
| Disputed charge with Donald Sessions & Co. Ltd. for experimental hydraulic jacks. | 21th Jan 1937 | Box 139 \ 1 scan0345 | |
| Letter from Donald Sessions & Co. Ltd. regarding the invoicing procedure for jacks and other parts sent for experimental purposes. | 29th Jan 1937 | Box 139 \ 1 scan0346 | |
| Letter to S. Smith & Sons chasing the delivery of Phantom III jacks and requesting a quote for a larger batch. | 25th Jan 1937 | Box 139 \ 1 scan0347 | |
| Cost and recommended actions for testing 'Sessions Jacks'. | 25th Jan 1937 | Box 139 \ 1 scan0348 | |
| Letter from S. Smith & Sons to Rolls-Royce regarding the supply and specifications of Jackall jacks. | 26th Jan 1937 | Box 139 \ 1 scan0349 | |
| Letter from S. Smith & Sons regarding experiments with a special ram design and the supply of a jack system. | 26th Jan 1937 | Box 139 \ 1 scan0350 | |
| The design of die-cast aluminium jack brackets for the Wraith chassis rear axle. | 27th Jan 1937 | Box 139 \ 1 scan0351 | |
| The feasibility of moving the front jacks on the Wraith II and a proposal to use 'Jackall' jacks. | 9th Feb 1937 | Box 139 \ 1 scan0352 | |
| Feasibility of repositioning the front jacks on the Wraith II model and proposing the use of 'Jackall' jacks. | 9th Feb 1937 | Box 139 \ 1 scan0353 | |
| Letter from Automotive Products Company Ltd. regarding the supply and despatch of Jack Pumps. | 23th Feb 1937 | Box 139 \ 1 scan0354 | |
| Inquiry to Messrs. S. Smith & Sons regarding the availability of a set of Jackalls for testing on an experimental car. | 23th Feb 1937 | Box 139 \ 1 scan0355 | |
| Letter from S. Smith & Sons (Motor Accessories) Ltd regarding the completion and forwarding of a special JACKALL system. | 25th Feb 1937 | Box 139 \ 1 scan0356 | |
| Letter from Donald Sessions & Co. Ltd. regarding a four-corner hydraulic jacking system for a Bentley car. | 1st Mar 1937 | Box 139 \ 1 scan0357 | |
| Letter from Donald Sessions & Company discussing the performance of pumps and rams, and requesting layouts for single-stage rams. | 1st Mar 1937 | Box 139 \ 1 scan0358 | |
| Redesign of the Wraith II jacking system, considering the fitment of Jackall jacks for the upcoming Wraith III model. | 1st Mar 1937 | Box 139 \ 1 scan0359 | |
| Letter to Donald Sessions & Co. Ltd. regarding cost reduction for the Phantom III hydraulic jacking system. | 2nd Mar 1937 | Box 139 \ 1 scan0360 | |
| Letter discussing design proposals for a single lift jack on the Phantom III, enclosing relevant prints. | 2nd Mar 1937 | Box 139 \ 1 scan0361 | |
| Letter from Automotive Products Company Ltd regarding a delay in the despatch of Jack Pumps. | 9th Mar 1937 | Box 139 \ 1 scan0362 | |
| Redesign and repositioning of Bentley Jack Pads to allow clearance for tyre chains. | 10th Mar 1937 | Box 139 \ 1 scan0363 | |
| Possibility of equipping the Bentley chassis with a four-corner hydraulic jacking system. | 10th Mar 1937 | Box 139 \ 1 scan0364 | |
| Costs and experimental demonstration of a proposed jacking system. | 11th Mar 1937 | Box 139 \ 1 scan0365 | |
| Bentley jacking system and comparing it to the system used on Jaguar cars. | 11th Mar 1937 | Box 139 \ 1 scan0366 | |
| Comparison of screw and hydraulic jacking systems for a Bentley vehicle. | 11th Mar 1937 | Box 139 \ 1 scan0367 | |
| Inquiry about the trial fitting of modified jacks on Phantom III cars and potential cost reduction. | 12th Mar 1937 | Box 139 \ 1 scan0368 | |
| The performance of jacks fitted to Phantom III cars. | 13th Mar 1937 | Box 139 \ 1 scan0369 | |
| Requesting information on the usage duration of Phantom III Jacks fitted to a Trials chassis. | 15th Mar 1937 | Box 139 \ 1 scan0370 | |
| Decision to provide for D.W.S. portable hydraulic jacks on Bentley III and Wraith III models. | 17th Mar 1937 | Box 139 \ 1 scan0371 | |
| Measurements taken on a Wraith chassis to determine requirements for a new hydraulic jack. | 18th Mar 1937 | Box 139 \ 1 scan0372 | |
| Measurements taken on a Wraith chassis for the design of a new hand-operated hydraulic jack. | 18th Mar 1937 | Box 139 \ 1 scan0373 | |
| Questioning the prices on an invoice from Automotive Products Ltd for Jack Brackets and Hose Assemblies. | 18th Mar 1937 | Box 139 \ 1 scan0374 | |
| Price and potential return of two Duralumin Jack Brackets from Automotive Products. | 19th Mar 1937 | Box 139 \ 1 scan0375 | |
| Confirming the trouble-free operation of Phantom III jacks on chassis 3-AZ-22 and 3-AZ-38. | 19th Mar 1937 | Box 139 \ 1 scan0376 | |
| Use of portable D.W.S. hydraulic chassis jacks on Bentley III and Wraith III models. | 20th Mar 1937 | Box 139 \ 1 scan0377 | |
| Requesting more frequent use of jacks on trial cars to test their durability. | 22th Mar 1937 | Box 139 \ 1 scan0378 | |
| The infrequent use of Phantom III jacks with loose rubber glands on trial cars, urging for more frequent operation to gather experience. | 22th Mar 1937 | Box 139 \ 1 scan0379 | |
| Cancelling a previous decision regarding the jacking system for the Wraith III model. | 24th Mar 1937 | Box 139 \ 1 scan0380 | |
| Letter to Donald Sessions & Co. requesting specifications and costs for two proposals for built-in hydraulic jacks for the Phantom III. | 31th Mar 1937 | Box 139 \ 1 scan0381 | |
| Decisions on the fitting of chassis jacks for the Wraith III and Bentley III models. | 31th Mar 1937 | Box 139 \ 1 scan0382 | |
| Letter from S. Smith & Sons regarding an outstanding invoice and the complex work adapting a Jackall system to a Phantom III chassis. | 30th Mar 1937 | Box 139 \ 1 scan0383 | |
| Letter from S. Smith & Sons regarding a dispute over returned parts for the 'Jackall' hydraulic jacking system. | 30th Mar 1937 | Box 139 \ 1 scan0384 | |
| Letter to S. Smith & Sons regarding the return of a Jacking System due to its unsuitable 'agricultural appearance' and a request for a quote on a cheaper system. | 9th Apr 1937 | Box 139 \ 1 scan0385 | |
| Letter from S. Smith & Sons acknowledging receipt of a letter and advising it will be passed to Mr. C. W. Nichols upon his return. | 10th Apr 1937 | Box 139 \ 1 scan0386 | |
| The special jacking system for Trials cars. | 16th Apr 1937 | Box 139 \ 1 scan0387 | |
| Letter from S. Smith & Sons regarding a dispute over charges for fitting an experimental Jackall system to a Phantom III chassis. | 16th Apr 1937 | Box 139 \ 1 scan0388 | |
| Letter from S. Smith & Sons apologising for a delay in quoting for a new sample set of equipment. | 16th Apr 1937 | Box 139 \ 1 scan0389 | |
| The intensive testing of modified, less costly pump units for Phantom III jacks. | 19th Apr 1937 | Box 139 \ 1 scan0390 | |
| Requesting an investigation into a modified jacking system to realise cost savings. | 21th Apr 1937 | Box 139 \ 1 scan0391 | |
| Sourcing, drawings, and pricing for Jackall Jacks for the Wraith III model. | 21th Apr 1937 | Box 139 \ 1 scan0392 | |
| Secret memo discussing difficulties in obtaining a quotation for Smiths Jacks for the Wraith III and Phantom III models. | 22th Apr 1937 | Box 139 \ 1 scan0393 | |
| Decision to fit D.W.S. jacks and pumps to the Wraith III model, including details on mounting and a new trap door. | 24th Apr 1937 | Box 139 \ 1 scan0394 | |
| Decision to use standard D.W.S. jacks and pumps for the Wraith III model. | 24th Apr 1937 | Box 139 \ 1 scan0395 | |
| The selection and fitting of jacks for the Wraith III model. | 24th Apr 1937 | Box 139 \ 1 scan0396 | |
| The trial and installation of a Smith's Jackall Jacking System for a Phantom III chassis. | 20th Dec 1935 | Box 139 \ 2 scan0001 | |
| Correspondence with S. Smith & Sons regarding the testing and development of car jacks. | 1st Jan 1934 | Box 139 \ 2 scan0002 | |
| Letter regarding a repaired wing at Cricklewood and a more efficient way of fastening jacks. | 1st Jan 1934 | Box 139 \ 2 scan0003 | |
| Letter from S. Smith & Sons regarding the design of Jackall rams and bracket clamps. | 1st Jan 1934 | Box 139 \ 2 scan0004 | |
| Letter from S. Smith & Sons regarding the weight comparison of a jacking system. | 1st Jan 1934 | Box 139 \ 2 scan0005 | |
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