| Description | Date | Identifier | |
| Letter from S. Smith & Sons regarding adjustments for the Jackalls system on the 21-G-IV chassis. | 16th Jul 1935 | Box 139 \ 2 scan0306 | |
| Letter to S. Smith & Sons regarding issues with fitting 'Jackalls' to car 21-G-IV. | 18th Jul 1935 | Box 139 \ 2 scan0307 | |
| Letter from S. Smith & Sons regarding the dispatch of two shorter jack rams for an exchange. | 19th Jul 1935 | Box 139 \ 2 scan0308 | |
| Letter from S. Smith & Sons concerning the dispatch of two replacement jacks for a 25HP vehicle. | 19th Jul 1935 | Box 139 \ 2 scan0309 | |
| Letter to S. Smith & Sons regarding the fitting of shortened 'Jackalls' to chassis 21-G-IV. | 5th Aug 1935 | Box 139 \ 2 scan0310 | |
| An invoice from S. Smith & Sons for front axle brackets and flexes. | 6th Aug 1935 | Box 139 \ 2 scan0311 | |
| Letter from S. Smith & Sons regarding returned jacks and a credit note. | 7th Aug 1935 | Box 139 \ 2 scan0312 | |
| Letter to The British Tool & Engineering Co. regarding the installation of a Stevenson Jack for a Bentley Chassis. | 13th Aug 1935 | Box 139 \ 2 scan0313 | |
| Letter to the Dunlop Rubber Co. Ltd. asking for an update on finished samples of a modified Bentley Jack. | 13th Aug 1935 | Box 139 \ 2 scan0314 | |
| Letter concerning the delayed forwarding of an experimental jacking system for a Bentley Chassis. | 14th Aug 1935 | Box 139 \ 2 scan0315 | |
| Letter from Dunlop Rubber Co. Ltd. regarding delays in supplying samples for a Modified Bentley Jack. | 14th Aug 1935 | Box 139 \ 2 scan0316 | |
| Types of jacks to be fitted to the second and third Spectre vehicles for France. | 22th Aug 1935 | Box 139 \ 2 scan0317 | |
| Requesting payment authorization for an invoice from S. Smith & Sons for Front Axle Jackall Brackets and Lockhead Flexes. | 23th Aug 1935 | Box 139 \ 2 scan0318 | |
| Requesting an official order be passed to Messrs. S. Smith & Sons for parts already received. | 24th Aug 1935 | Box 139 \ 2 scan0319 | |
| Urgent application of a jacking scheme to Spectre models IV, V, and VI. | 31th Aug 1935 | Box 139 \ 2 scan0320 | |
| Letter to S. Smith & Sons regarding a broken junction box union on a 'Jackall' system, requesting a replacement. | 2nd Sep 1935 | Box 139 \ 2 scan0321 | |
| Official order for Jackall Brackets and Lockhead Flexes from S. Smith & Sons. | 3rd Sep 1935 | Box 139 \ 2 scan0322 | |
| Trial of a Stevenson's Jacking scheme on chassis 6-B-IV. | 11th Sep 1935 | Box 139 \ 2 scan0323 | |
| Letter from S. Smith & Sons acknowledging a report of a fractured junction box on a Rolls 25 and confirming a replacement part has been dispatched. | 3rd Sep 1935 | Box 139 \ 2 scan0324 | |
| Letter from Dunlop Rubber Co. regarding the testing and redesign of a Modified Bentley Jack. | 11th Sep 1935 | Box 139 \ 2 scan0325 | |
| Despatch of two hydraulic rams to Messrs. Smith & Sons Ltd. | 16th Sep 1935 | Box 139 \ 2 scan0326 | |
| Letter to S. Smith & Sons regarding the return of two 'Jackalls' rear jacks from chassis 21-G-IV. | 16th Sep 1935 | Box 139 \ 2 scan0327 | |
| Letter from S. Smith & Sons regarding the return of two rear jacks from a chassis. | 19th Sep 1935 | Box 139 \ 2 scan0328 | |
| Requesting a modification to increase the surface area of the front jacking pads for specific Spectre cars. | 23th Sep 1935 | Box 139 \ 2 scan0329 | |
| Letter to S. Smith & Sons regarding failures in a car's 'Jackalls' jacking system. | 24th Sep 1935 | Box 139 \ 2 scan0330 | |
| Letter from Dunlop Rubber Co. Ltd. regarding sample Modified Bentley Jacks with different finishes and spring strengths. | 25th Sep 1935 | Box 139 \ 2 scan0331 | |
| Letter to S. Smith & Sons regarding a failed jack on a 20/25 HP car after 3,000 miles of testing in France. | 26th Sep 1935 | Box 139 \ 2 scan0332 | |
| Letter from S. Smith & Sons regarding failures in the Jackalls jacking system and arranging an investigation. | 26th Sep 1935 | Box 139 \ 2 scan0333 | |
| Letter from S. Smith & Sons regarding the failure of a 'Jackall' product and a planned engineer's visit to investigate. | 27th Sep 1935 | Box 139 \ 2 scan0334 | |
| Note from S. Smith & Sons regarding an engineer's travel arrangements. | 27th Sep 1935 | Box 139 \ 2 scan0335 | |
| Telegram sent to S. Smith & Sons concerning the scheduling of a visit to the Derby works by Mr. Bailey. | 28th Sep 1935 | Box 139 \ 2 scan0336 | |
| Letter from S. Smith & Sons regarding the deferral of Mr. Bailey's visit. | 30th Sep 1935 | Box 139 \ 2 scan0337 | |
| Letter to S. Smith & Sons about arranging for a replacement nearside rear bracket for a 21-G-IV model. | 1st Oct 1935 | Box 139 \ 2 scan0338 | |
| Telegram requesting Bailey to bring a nearside rear bracket, part number 21-G-IV. | 1st Oct 1935 | Box 139 \ 2 scan0339 | |
| Letter from S. Smith & Sons regarding the supply of a near side rear bracket for chassis 21-G-IV. | 1st Oct 1935 | Box 139 \ 2 scan0340 | |
| Letter to S. Smith & Sons Ltd. regarding the unsatisfactory 'Jackall' jacking system on car 21-G-IV. | 4th Oct 1935 | Box 139 \ 2 scan0341 | |
| Letter acknowledging receipt of jacking equipment and confirming the performance of previously fitted jacks. | 7th Oct 1935 | Box 139 \ 2 scan0342 | |
| Testing and performance issues of the 'Jackall' Hydraulic Jacking System. | 7th Oct 1935 | Box 139 \ 2 scan0343 | |
| The failures and repairs of a 'Jackall' jacking system, detailing issues with valves, jacks, and pipe connections. | 3rd Oct 1935 | Box 139 \ 2 scan0344 | |
| Report summary on an unsatisfactory system, detailing a specific junction box failure and replacement. | 3rd Oct 1935 | Box 139 \ 2 scan0345 | |
| Blueprint diagram illustrating the valve lay-out of a Jackall Pressure Pump. | 8th Oct 1935 | Box 139 \ 2 scan0346 | |
| Ordering the correct size of screw-type lifting jack for the Phantom III chassis. | 8th Oct 1935 | Box 139 \ 2 scan0347 | |
| Letter from S. Smith & Sons responding to an unsatisfactory report regarding a Jackall System fitted to a chassis. | 8th Oct 1935 | Box 139 \ 2 scan0348 | |
| Letter from supplier S. Smith & Sons regarding junction box failures and proposed component material improvements. | 8th Oct 1935 | Box 139 \ 2 scan0349 | |
| Letter from S. Smith & Sons regarding Jackalls on chassis 21-G-IV, discussing rubber washers and fluid analysis. | 8th Oct 1935 | Box 139 \ 2 scan0350 | |
| Concluding page of a letter from S. SMITH & SONS (Motor Accessories) LTD. to Messrs. Rolls-Royce. | 8th Oct 1935 | Box 139 \ 2 scan0351 | |
| On the development and implementation of the D.W.S. Hydraulic Jacking System for the Phantom III. | 8th Oct 1935 | Box 139 \ 2 scan0352 | |
| Clarifying the required Dunlop Jack for the Phantom III production chassis. | 9th Oct 1935 | Box 139 \ 2 scan0353 | |
| Letter from Dunlop Rubber Co. regarding the specifications and blueprints for a No. 29 Jack. | 11th Oct 1935 | Box 139 \ 2 scan0354 | |
| Standardisation sheet detailing the finish for the lightened Bentley jack and the selection of handle clips. | 15th Oct 1935 | Box 139 \ 2 scan0355 | |
| Comparison and test report for a lightened type Bentley jack. | 15th Oct 1935 | Box 139 \ 2 scan0356 | |
| Letter from Dunlop Rubber Co. Ltd. enclosing the omitted specification for the new No.29 Jack. | 18th Oct 1935 | Box 139 \ 2 scan0357 | |
| Parts list for the No.29 Jack (Dunlop) assembly drawing 20842. | 18th Oct 1935 | Box 139 \ 2 scan0358 | |
| Continued parts list specifying materials and drawing numbers for a collar, spring, rivets, and clip. | 22th Oct 1935 | Box 139 \ 2 scan0359 | |
| Letter to The Dunlop Rubber Co. Ltd. concerning the 'No. 29 Jack', awaiting the return of modified samples. | 22th Oct 1935 | Box 139 \ 2 scan0360 | |
| Requesting the dispatch of a new car jack for a Bentley to a customer in Manchester. | 31th Oct 1935 | Box 139 \ 2 scan0361 | |
| Replying to a query about a production delay for Jacks, confirming one will be obtained specially and despatched. | 1st Nov 1935 | Box 139 \ 2 scan0362 | |
| Attachment brackets for Sessions hydraulic jacks on the Phantom III rear axle. | 1st Nov 1935 | Box 139 \ 2 scan0363 | |
| Letter from Dunlop Rubber Co. Ltd. regarding a new type of jack for Bentley Chasses. | 1st Nov 1935 | Box 139 \ 2 scan0364 | |
| Photograph of a mechanical stress test being performed on a bent metal rod. | 4th Nov 1935 | Box 139 \ 2 scan0365 | |
| Delayed delivery of a batch of jacks and arranging for one to be sent out separately. | 4th Nov 1935 | Box 139 \ 2 scan0366 | |
| Letter from Automotive Products Company concerning the supply and fitting of Lockheed Hydraulic Jacks. | 4th Nov 1935 | Box 139 \ 2 scan0367 | |
| Letter to The Dunlop Rubber Co. Ltd. concerning the testing and ordering of Bentley Jacks. | 4th Nov 1935 | Box 139 \ 2 scan0368 | |
| Request to issue an official order to the Dunlop Rubber Co. for a New Type Bentley Jack. | 4th Nov 1935 | Box 139 \ 2 scan0369 | |
| The arrangement and transportation of Phantom III dummy chassis for jack experiments and shows. | 4th Nov 1935 | Box 139 \ 2 scan0370 | |
| The despatch of a No. 29 Dunlop Jack for a new Bentley type. | 5th Nov 1935 | Box 139 \ 2 scan0371 | |
| Urgently required brackets for Sessions hydraulic jacks on the front of a Phantom III car. | 5th Nov 1935 | Box 139 \ 2 scan0372 | |
| Typed message requesting a phone call from Nicholls to Robotham. | 6th Nov 1935 | Box 139 \ 2 scan0373 | |
| Short message about arranging the transport of a chassis from Huddersfield to Leamington. | 6th Nov 1935 | Box 139 \ 2 scan0374 | |
| Dashboard isolation scheme for the 20/25, Bentley, and Phantom III models. | 6th Nov 1935 | Box 139 \ 2 scan0375 | |
| Dash facings, bracket fittings, and floor coverings for the Phantom III chassis. | 7th Nov 1935 | Box 139 \ 2 scan0376 | |
| Letter to Automatic Products Company Ltd. regarding Lockheed Hydraulic Jacks, providing vehicle weight details and a preference for a hand-operated system. | 7th Nov 1935 | Box 139 \ 2 scan0377 | |
| The arrangement and testing of hydraulic jacks for the Phantom III. | 11th Nov 1935 | Box 139 \ 2 scan0378 | |
| Troubleshooting a customer's issue with a standard jack and enclosing correspondence for review. | 12th Nov 1935 | Box 139 \ 2 scan0379 | |
| Letter from William Arnold to Bentley Motors regarding the impracticality of a new jack and querying about a jacking pad. | 9th Nov 1935 | Box 139 \ 2 scan0380 | |
| Letter from dealer William Arnold to Bentley Motors Ltd. complaining about the impracticality of a new type of jack supplied with a chassis. | 13th Nov 1935 | Box 139 \ 2 scan0381 | |
| Responding to a complaint from Mr. William Arnold regarding issues with the Bentley Jack. | 13th Nov 1935 | Box 139 \ 2 scan0382 | |
| Non-standard fitting of Smith's Jackalls due to their weight impacting the Bentley's performance. | 13th Nov 1935 | Box 139 \ 2 scan0383 | |
| Issues with a jack not fitting under the jacking pad on a Bentley. | 15th Nov 1935 | Box 139 \ 2 scan0384 | |
| Design and placement of the Phantom III Sessions Jack Pump. | 16th Nov 1935 | Box 139 \ 2 scan0385 | |
| Letter from Automotive Products Company requesting information on available space for a pressure-creating device. | 16th Nov 1935 | Box 139 \ 2 scan0386 | |
| Letter from the Experimental Department inviting Mr. Nichols to discuss failures on the jacking system for a 20/25 HP car. | 18th Nov 1935 | Box 139 \ 2 scan0387 | |
| Follow-up letter from Kruse Limited regarding an inquiry about a new jack they had demonstrated. | 18th Nov 1935 | Box 139 \ 2 scan0388 | |
| Requesting the manufacture of chromium-plated Dual Jacking Pads for a Bentley chassis. | 19th Nov 1935 | Box 139 \ 2 scan0389 | |
| Arrangements for experimental cars 36-EX and 37-EX, involving Lockheed, Park Ward, and a Hooper body. | 19th Nov 1935 | Box 139 \ 2 scan0390 | |
| Flexible connections between the dashboard tank and the engine for the Phantom III model. | 20th Nov 1935 | Box 139 \ 2 scan0391 | |
| Request to arrange for Automotive Products Co. Ltd. to inspect a car at Park Wards before its body is removed. | 20th Nov 1935 | Box 139 \ 2 scan0392 | |
| Letter to Automotive Products Co. Ltd. regarding the inspection of a chassis for Jack work at Park Wards. | 20th Nov 1935 | Box 139 \ 2 scan0393 | |
| Letter to The Automotive Products Co. Ltd. regarding the fitting position of a Smith's Pump, referencing drawing LeC.4799. | 20th Nov 1935 | Box 139 \ 2 scan0394 | |
| Arranging for a car inspection at Park Ward's works and subsequent chassis shipment. | 21th Nov 1935 | Box 139 \ 2 scan0395 | |
| Letter from Automotive Products Company Ltd thanking for a drawing received. | 22th Nov 1935 | Box 139 \ 2 scan0396 | |
| Letter from Automotive Products Company arranging for a representative to visit Park Wards regarding a chassis. | 22th Nov 1935 | Box 139 \ 2 scan0397 | |
| Letter from S. Smith & Sons reporting on the analysis of fluid from a chassis Jackall set. | 22th Oct 1935 | Box 139 \ 2 scan0398 | |
| Letter from S. Smith & Sons regarding the failure of a Jackall system on chassis 21-G-IV. | 25th Nov 1935 | Box 139 \ 2 scan0399 | |
| Letter from S. Smith & Sons offering to fit Jackall systems to executive cars free of charge. | 25th Nov 1935 | Box 139 \ 2 scan0400 | |
| Letter from Silvertown Lubricants Ltd. detailing the laboratory analysis of an alleged Jackall Fluid sample. | 23th Oct 1935 | Box 139 \ 2 scan0401 | |
| Letter from Silvertown Lubricants Limited detailing the negative effects of mineral oil on rubber jacking systems. | 23th Nov 1935 | Box 139 \ 2 scan0402 | |
| Design and components of a D.W.S. Hydraulic Jacking System. | 23th Nov 1935 | Box 139 \ 2 scan0403 | |
| The progress and outstanding requirements for chassis piping and pump systems. | 25th Nov 1935 | Box 139 \ 2 scan0404 | |
| Letter from S. Smith & Sons advising of a delay in fitting 'Jackalls' to a Phantom III chassis. | 25th Nov 1935 | Box 139 \ 2 scan0405 | |
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