| Description | Date | Identifier | |
| Letter from Automotive Products Company Ltd. listing parts, part numbers, weights, and quantities. | 10th Jul 1936 | Box 139 \ 1 scan0202 | |
| Letter to S. Smith & Sons Ltd. regarding drawings for D.W.S. Jack Brackets on the Phantom III. | 10th Jul 1936 | Box 139 \ 1 scan0203 | |
| Telegram to Mr. Gryllis concerning an investigation into the position of jacks and brackets. | 10th Jul 1920 | Box 139 \ 1 scan0204 | |
| Letter from Automotive Products Company confirming the supply of Hydraulic Jacks and Brackets. | 11th Jul 1936 | Box 139 \ 1 scan0205 | |
| To Roy requesting an official order be sent to The Automotive Products Co. Ltd. for hydraulic jacks and brackets. | 13th Jul 1936 | Box 139 \ 1 scan0206 | |
| Letter to The Automotive Products Co. Ltd. confirming a delivery date for hydraulic jacks and brackets. | 13th Jul 1936 | Box 139 \ 1 scan0207 | |
| Letter from S. Smith & Sons confirming they have sent Jack drawings as requested. | 14th Jul 1936 | Box 139 \ 1 scan0208 | |
| Letter from S. Smith & Sons regarding the inability to supply an interchangeable jack due to a need for a special design. | 16th Jul 1936 | Box 139 \ 1 scan0209 | |
| Invoice from S. Smith & Sons (M.A) Ltd. for Phantom III parts and requesting payment. | 28th Jul 1936 | Box 139 \ 1 scan0210 | |
| Letter to a supplier regarding an invoice for unsatisfactory jacks fitted to a Phantom III car. | 30th Jul 1936 | Box 139 \ 1 scan0211 | |
| Letter from R. T. Shelley Limited regarding the dispatch of a hydraulic pump with a release valve. | 31th Jul 1936 | Box 139 \ 1 scan0212 | |
| Letter to Automotive Products Ltd. chasing the delivery of a hand pump for hydraulic jacks needed for a Phantom III car. | 4th Aug 1936 | Box 139 \ 1 scan0213 | |
| Cover note for drawing LeC.5220, detailing an oil tank for hydraulic jacks on the Wraith II. | 5th Aug 1936 | Box 139 \ 1 scan0214 | |
| The rear jacks for the Wraith II, discussing clearance and the use of parts from the Phantom III. | 17th Jul 1936 | Box 139 \ 1 scan0215 | |
| Letter from Automotive Products Company Ltd regarding the delivery of a second set of jacks and a delay on a hand pump. | 5th Aug 1936 | Box 139 \ 1 scan0216 | |
| Letter from S. Smith & Sons regarding a debit for Phantom III car jacks and the Jackall system. | 5th Aug 1936 | Box 139 \ 1 scan0217 | |
| Continuation page of a letter from S. Smith & Sons to W. A. Robotham. | 5th Aug 1936 | Box 139 \ 1 scan0218 | |
| Return of faulty D.W.S. Jacks for the Phantom III due to leaks. | 8th Aug 1936 | Box 139 \ 1 scan0219 | |
| Inquiry into a jack failure on a Phantom III, chassis 3-AZ-44. | 12th Aug 1936 | Box 139 \ 1 scan0220 | |
| Letter to Automotive Products Co. Ltd. concerning required modifications to the angle of front jacks and the return of rear jacks. | 12th Aug 1936 | Box 139 \ 1 scan0221 | |
| Letter to a supplier regarding faulty rams, detailing testing failures and requesting urgent replacement parts. | 13th Aug 1936 | Box 139 \ 1 scan0222 | |
| Jacking tests comparing the Wraith 11 (Scott Model) and Phantom III rear axles. | 13th Aug 1936 | Box 139 \ 1 scan0223 | |
| Graph showing vertical and horizontal deflections from bending tests on a Wraith II 'Scott Model' banjo axle. | 11th Aug 1936 | Box 139 \ 1 scan0224 | |
| Blueprint detailing tests on a Wraith II 'Scott' Model Banjo Axle, including diagrams and a deflection graph. | 11th Aug 1936 | Box 139 \ 1 scan0225 | |
| Blueprint graph of a bending test for a Phantom III rear axle, showing deflection under load. | 12th Aug 1936 | Box 139 \ 1 scan0226 | |
| Blueprint detailing the distortion tests of a Wraith II 'Scott' model banjo axle bore. | 14th Aug 1936 | Box 139 \ 1 scan0227 | |
| Supply and compatibility of a new type jack for the Bentley Chassis. | 14th Aug 1936 | Box 139 \ 1 scan0228 | |
| Letter from Automotive Products Company Ltd concerning the modification of front and rear Jacks. | 14th Aug 1936 | Box 139 \ 1 scan0229 | |
| The increasing failures and leaks found in the Phantom III D.W.S. Jacks. | 14th Aug 1936 | Box 139 \ 1 scan0230 | |
| Letter from Donald Sessions & Company Ltd. concerning the testing and replacement of experimental jack rams. | 17th Aug 1936 | Box 139 \ 1 scan0231 | |
| Letter to Automotive Industries Ltd. regarding a drawing of the Phantom III rear brake mechanism. | 18th Aug 1936 | Box 139 \ 1 scan0232 | |
| Failure of D.W.S. Jacks on Phantom III chassis due to faulty arms. | 18th Aug 1936 | Box 139 \ 1 scan0233 | |
| Extract from a letter concerning an investigation into defective jack rams and subsequent remedial actions. | 17th Aug 1936 | Box 139 \ 1 scan0234 | |
| The jack pump, mounting, and floorboard trap door for the Wraith II model. | 18th Aug 1936 | Box 139 \ 1 scan0235 | |
| Alterations and testing arrangements for the Phantom III D.W.S. Jacks and rams. | 19th Aug 1936 | Box 139 \ 1 scan0236 | |
| Expressing disappointment over the delayed supply of new Dunlop Jacks for 50 cars. | 20th Aug 1936 | Box 139 \ 1 scan0237 | |
| Standardisation of new Bentley jacks and pads, and the production issues caused by a delay in the delivery of the pads. | 20th Aug 1936 | Box 139 \ 1 scan0238 | |
| Production and supply issues for Bentley Chassis Jacks. | 21th Aug 1936 | Box 139 \ 1 scan0239 | |
| List of part drawing numbers and updates for Bentley Chassis, covering front springs, fittings, and jack pads. | 6th Jul 1936 | Box 139 \ 1 scan0240 | |
| Specification change document detailing part replacements and modifications for jacks and springs. | 6th Jul 1936 | Box 139 \ 1 scan0241 | |
| Instructions for new jack parts for the Bentley Chassis. | 1st Jul 1936 | Box 139 \ 1 scan0242 | |
| Request to R.T. Shelley Ltd. for a set of Jacks with the latest production rubbers for testing on an experimental car. | 22th Aug 1936 | Box 139 \ 1 scan0243 | |
| Letter from Automotive Products Company Ltd regarding the manufacture and fitting of front jack brackets. | 22th Aug 1936 | Box 139 \ 1 scan0244 | |
| Letter from Automotive Products Company Ltd. concerning drawings for brake levers and shoes. | 22th Aug 1936 | Box 139 \ 1 scan0245 | |
| Letter from supplier R. T. Shelley Limited confirming the dispatch of a set of Jacks. | 25th Aug 1936 | Box 139 \ 1 scan0246 | |
| Despatch of a wooden model front jack bracket and a bottom buffer plate to Automotive Products Ltd. | 27th Aug 1936 | Box 139 \ 1 scan0247 | |
| Letter to Automotive Products Co. Ltd. regarding a wooden model of a front jack bracket and a buffer plate for Lockheed Jacks. | 27th Aug 1936 | Box 139 \ 1 scan0248 | |
| Letter from Automotive Products Company Ltd. regarding the receipt of a wooden model for a front jack bracket and the progress of new forgings. | 29th Aug 1936 | Box 139 \ 1 scan0249 | |
| Letter to R.T. Shelley Ltd. chasing the delivery of jacks for testing by the Experimental Department. | 3rd Sep 1936 | Box 139 \ 1 scan0250 | |
| Letter to Messrs. Donald Sessions & Co. Ltd. enclosing a copy of a letter sent to Messrs. R.T. Shelley Ltd. | 3rd Sep 1936 | Box 139 \ 1 scan0251 | |
| Letter to Automotive Products Co. Ltd. regarding the non-arrival of two rear Lockheed Jacks. | 3rd Sep 1936 | Box 139 \ 1 scan0252 | |
| Letter from R. T. Shelley Ltd. regarding the despatch of production jacks and a newly approved design for rubbers. | 4th Sep 1936 | Box 139 \ 1 scan0253 | |
| Letter from Automotive Products Company apologising for a delay in dispatching Lockheed Jacks. | 4th Sep 1936 | Box 139 \ 1 scan0254 | |
| Letter from Donald Sessions & Company Ltd. discussing the delayed delivery of production jacks and experimental rams. | 7th Sep 1936 | Box 139 \ 1 scan0255 | |
| Letter to The Automotive Products Co.Ltd. regarding the return of faulty Jacks for correction and modification. | 14th Sep 1936 | Box 139 \ 1 scan0256 | |
| Dispatch of 6 Lockheed Hydraulic Jacks to The Automotive Products Co. Ltd. for modification. | 14th Sep 1936 | Box 139 \ 1 scan0257 | |
| Letter from Automotive Products Company Ltd regarding Lockheed wheel cylinder drawings. | 15th Aug 1936 | Box 139 \ 1 scan0258 | |
| Letter to a supplier requesting pipe lines for jacks on an experimental chassis and clarifying the type of recently delivered jacks. | 15th Sep 1936 | Box 139 \ 1 scan0259 | |
| Letter from Donald Sessions & Company Ltd. regarding the supply and testing of experimental rams. | 16th Sep 1936 | Box 139 \ 1 scan0260 | |
| Test report on rear axle jacking tests for the Wraith II - Scott Model No.2. | 18th Sep 1936 | Box 139 \ 1 scan0261 | |
| Test results for the distortion of a Wraith II Scott Model N°2 back axle banjo casing during bending tests. | 2nd Mar 1936 | Box 139 \ 1 scan0262 | |
| Blueprint showing the results of back axle casing tests for a Wraith II Scott Model Nº2. | 8th Sep 1936 | Box 139 \ 1 scan0263 | |
| Graph showing results from centrally loaded bending tests on a Wraith II back axle casing (Scott Model No 2) with a stiffening plate fitted. | 11th Sep 1936 | Box 139 \ 1 scan0264 | |
| Graph of load versus deflection from tests on a Wraith II rear axle casing with a stiffening plate. | 18th Sep 1936 | Box 139 \ 1 scan0265 | |
| Rear axle jacking tests for the Wraith II Scott Model No.2. | 18th Sep 1936 | Box 139 \ 1 scan0266 | |
| Test results for the distortion of a Wraith II back axle banjo casing during bending tests. | 4th Sep 1926 | Box 139 \ 1 scan0267 | |
| Blueprint detailing tests on the Wraith II back axle casing, including a deflection index graph. | 8th Sep 1936 | Box 139 \ 1 scan0268 | |
| Graph showing the results of bending tests on a Wraith II back axle casing. | 11th Sep 1936 | Box 139 \ 1 scan0269 | |
| Graph showing load vs deflection from back axle casing tests for the Wraith II Scott Model No 2. | 18th Sep 1936 | Box 139 \ 1 scan0270 | |
| Invoice from Sanderson & Holmes Ltd for Smiths Jackall Hydraulic Fluid. | 18th Sep 1936 | Box 139 \ 1 scan0271 | |
| Letter from Automotive Products Company Ltd regarding issues with modified hydraulic jacks. | 21th Sep 1936 | Box 139 \ 1 scan0272 | |
| Continuation of a letter from Automotive Products Company Ltd. regarding issues with washers, jacks, and brackets. | 22th Sep 1936 | Box 139 \ 1 scan0273 | |
| Letter to The Automotive Products Co. Ltd. concerning issues with leaking jacks and suggesting overload pressure testing. | 22th Sep 1936 | Box 139 \ 1 scan0274 | |
| Letter from Donald Sessions & Co. Ltd. regarding experimental hydraulic jacking systems and parts retention. | 22th Sep 1936 | Box 139 \ 1 scan0275 | |
| Confirming a previous communication about an invoice from S. Smith & Sons Ltd. and asking for instructions. | 22th Sep 1936 | Box 139 \ 1 scan0276 | |
| To pass an official order for one tin of Smiths Jackall Hydraulic Fluid. | 23th Sep 1936 | Box 139 \ 1 scan0277 | |
| Putting Messrs. Smith's invoice for £55 on hold pending further discussion. | 23th Sep 1936 | Box 139 \ 1 scan0278 | |
| Invoice from Automotive Products Co. Ltd. for Hydraulic Jack Equipment, seeking authorisation for payment. | 23th Sep 1936 | Box 139 \ 1 scan0279 | |
| Requesting an official order for two complete sets of piping for jacks from Messrs. Donald Sessions & Co. Ltd. | 24th Sep 1936 | Box 139 \ 1 scan0280 | |
| The receipt and ordering of two sets of Lockheed Hydraulic Jacks for the Experimental Department. | 24th Sep 1936 | Box 139 \ 1 scan0281 | |
| Letter to The Automotive Products Ltd. regarding invoices for Hydraulic Jacks. | 24th Sep 1936 | Box 139 \ 1 scan0282 | |
| Letter to a supplier regarding charges and modifications for jacking systems on experimental chassis and test rigs. | 24th Sep 1936 | Box 139 \ 1 scan0283 | |
| Letter from Donald Sessions & Company Ltd. regarding experimental sets and parts for D.W.S. Hydraulic Jacks. | 25th Sep 1936 | Box 139 \ 1 scan0284 | |
| Letter from Automotive Products Company regarding the supply and invoicing of two sets of Hydraulic Jacks. | 28th Sep 1936 | Box 139 \ 1 scan0285 | |
| Letter to Donald Sessions & Co. Ltd. listing non-production jacking system parts used on experimental cars. | 29th Sep 1936 | Box 139 \ 1 scan0286 | |
| Payment for two complete sets of Lockheed Hydraulic Jacks. | 30th Sep 1936 | Box 139 \ 1 scan0287 | |
| Request to Donald Sessions & Co. Ltd. for a complete set of production jacks and a replenishment tank for a new experimental chassis. | 22th Oct 1936 | Box 139 \ 1 scan0288 | |
| Letter from Donald Sessions & Co. Ltd. regarding the supply of production jacks and a replenishment tank for an experimental chassis. | 23th Oct 1936 | Box 139 \ 1 scan0289 | |
| Telegram to The Automotive Products Co. Ltd. about postponing a visit. | 24th Oct 1936 | Box 139 \ 1 scan0290 | |
| Instructions for fitting Lockheed Jacks in conjunction with the spring suspension mechanism for the Phantom III chassis. | 30th Oct 1936 | Box 139 \ 1 scan0291 | |
| Letter to Automotive Products Co. Ltd. enclosing a drawing showing the disposition of bolts in a Duralumin bracket. | 31th Oct 1936 | Box 139 \ 1 scan0292 | |
| Inquiry to Automotive Products Co. Ltd. regarding the despatch of three Phantom chassis. | 3rd Nov 1936 | Box 139 \ 1 scan0293 | |
| Letter from Automotive Products Company Ltd. acknowledging a drawing for Duralumin Jack Brackets. | 3rd Nov 1936 | Box 139 \ 1 scan0294 | |
| Letter from Automotive Products Company regarding the delivery of Duralumin Brackets for front Jacks. | 6th Nov 1936 | Box 139 \ 1 scan0295 | |
| Complaints that the front wheels on the Phantom III cannot be revolved when using the hydraulic jacks. | 10th Nov 1936 | Box 139 \ 1 scan0296 | |
| Letter to Donald Sessions & Co. Ltd. confirming a request for various pump components for testing. | 13th Nov 1936 | Box 139 \ 1 scan0297 | |
| Letter regarding the suggestion of using a hydraulic jack on the Bentley chassis. | 13th Nov 1936 | Box 139 \ 1 scan0298 | |
| Letter to the Automotive Products Company requesting pricing for a potential order of 200 sets of jacks. | 14th Nov 1936 | Box 139 \ 1 scan0299 | |
| Invoice from Donald Sessions & Co. Ltd. for a set of D.W.S. Permanent Hand Hydraulic Jacks. | 16th Nov 1936 | Box 139 \ 1 scan0300 | |
| Confirming receipt of 'Jacks' and authorizing their payment. | 18th Nov 1936 | Box 139 \ 1 scan0301 | |
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