| Description | Date | Identifier | |
| Letter of inquiry regarding the application of a 'Non bend back' chain, its advantages, and thermal expansion properties. | 13th Nov 1936 | Box 128 \ 3 scan0155 | |
| Letter to Renold & Coventry Chain Co. Ltd. requesting drawings for a self-adjusting Sprocket Tensioner. | 13th Nov 1936 | Box 128 \ 3 scan0156 | |
| Incompatibility of Parsons chains with Phantom III front wheels, particularly those fitted with discs. | 26th Jan 1937 | Box 128 \ 3 scan0157 | |
| Issue of fitting snow chains on Bentley chassis equipped with wheel discs. | 1st Feb 1937 | Box 128 \ 3 scan0158 | |
| Impossibility of fitting non-skid chains to the front wheels of the Phantom III. | 2nd Feb 1937 | Box 128 \ 3 scan0159 | |
| The fitment of non-skid chains on a Phantom III and other vehicles. | 3rd Feb 1937 | Box 128 \ 3 scan0160 | |
| The fitting of non-skid chains to Bentley and R.R. chassis, with and without wheel discs. | 3rd Feb 1937 | Box 128 \ 3 scan0161 | |
| Use of non-skid chains on the front wheels of Phantom III and 25/30 models. | 3rd Feb 1937 | Box 128 \ 3 scan0162 | |
| Assessment on the feasibility of fitting non-skid chains to the front wheels of Cadillac, Chevrolet, and Packard cars. | 4th Feb 1937 | Box 128 \ 3 scan0163 | |
| Request to send an official order to The Parsons Chain Co. Ltd. for two pairs of chains. | 9th Mar 1937 | Box 128 \ 3 scan0164 | |
| Proposal to move the rear jack brackets backwards to enable chains to be fitted, with a request for testing. | 10th Mar 1937 | Box 128 \ 3 scan0165 | |
| Suggesting to test new, perpetually tensioned Phantom III snow chains on a Bentley to avoid modifying the jack pad position. | 11th Mar 1937 | Box 128 \ 3 scan0166 | |
| Advice note regarding the collection of two sets of Parsons chains. | 12th Mar 1937 | Box 128 \ 3 scan0167 | |
| Letter to The Parsons Chain Co. Ltd. requesting a pair of chains for a Bentley wheel, to be adjusted as on the Phantom III. | 12th Mar 1937 | Box 128 \ 3 scan0168 | |
| Request to send an official order for a pair of special De Luxe chains for a Bentley. | 3rd Mar 1937 | Box 128 \ 3 scan0169 | |
| Supply and ordering of special snow chains from Parsons. | 17th Mar 1937 | Box 128 \ 3 scan0170 | |
| On the design and testing of special snow chains for the P.III, Bentley, and 25/30 HP models. | 17th Mar 1937 | Box 128 \ 3 scan0171 | |
| Technical note on the use and specification of special front wheel chains for Bentley and 25/30 HP models. | 17th Mar 1937 | Box 128 \ 3 scan0172 | |
| Photograph of two wheels fitted with Dunlop Fort tyres and snow chains, showing the front and back view. | 22th Mar 1937 | Box 128 \ 3 scan0173 | |
| Letter to The Parsons Chain Co. Ltd. requesting special DL chains for 25/30 HP cars. | 22th Mar 1937 | Box 128 \ 3 scan0174 | |
| The procurement of snow chains and the need to update instruction books for various chassis models. | 22th Mar 1937 | Box 128 \ 3 scan0175 | |
| Whether to stock Parsons' snow chains or have customers obtain them from the manufacturers. | 23th Mar 1937 | Box 128 \ 3 scan0176 | |
| Request to send an official order to The Parsons Chain Co. Ltd. for two special de Luxe Chains for a 25/30 HP chassis. | 23th Mar 1937 | Box 128 \ 3 scan0177 | |
| Supply of de Luxe snow chains for the 25/30.HP, Phantom III, and Bentley models. | 23th Mar 1937 | Box 128 \ 3 scan0178 | |
| Typed memorandum regarding the supply of snow chains from the Parsons Chain Company for all chassis, particularly the Phantom III model. | 24th Mar 1937 | Box 128 \ 3 scan0179 | |
| Fitting of new snow chains on P.III, Bentley, and 25/30 models. | 25th Mar 1937 | Box 128 \ 3 scan0180 | |
| Invoice from Parsons Chain Co. Ltd. for two pairs of chains. | 2nd Apr 1937 | Box 128 \ 3 scan0181 | |
| Clearance checks for a new pattern of snow chain on Experimental Phantom III cars. | 9th Apr 1937 | Box 128 \ 3 scan0182 | |
| Letter to a chain supplier inquiring about chain stretch on an experimental overhead camshaft engine. | 23th Apr 1937 | Box 128 \ 3 scan0183 | |
| Follow-up letter to J. Weller Esq. regarding the delivery status of an order for tensioners. | 26th Apr 1937 | Box 128 \ 3 scan0184 | |
| Minimum clearance of 1.5' between the tyre and wing to allow for the use of special snow chains. | 26th May 1937 | Box 128 \ 3 scan0185 | |
| Special chains made to fit disc wheels and the use of tensioners. | 23th Sep 1937 | Box 128 \ 3 scan0186 | |
| Request to send an official order to Parsons Chain Co. for a pair of Special Bentley De-Luxe Chains. | 3rd Nov 1937 | Box 128 \ 3 scan0187 | |
| Internal request to order two special R.R. de Luxe chains suitable for 6.50 x 17 tyres. | 28th Jan 1938 | Box 128 \ 3 scan0188 | |
| Customer's issue with Parsons Non-Skid Chains causing damage, leading to a revised fitting recommendation. | 16th Jan 1939 | Box 128 \ 3 scan0189 | |
| Recommendation for fitting Parsons Non-Skid Chains to rear wheels only. | 17th Jan 1939 | Box 128 \ 3 scan0190 | |
| Confirmation of a telephone order for a pair of De Luxe Parsons chains to be collected in person. | 16th May 1939 | Box 128 \ 3 scan0191 | |
| Letter to The Morse Chain Co. Ltd. regarding a camshaft drive chain for an experimental engine. | 13th Jul 1939 | Box 128 \ 3 scan0192 | |
| Letter from The Morse Chain Company Limited proposing a meeting to clarify points. | 15th Jul 1939 | Box 128 \ 3 scan0193 | |
| Letter from the Experimental Dept. to The Morse Chain Co. Ltd. regarding a delayed appointment. | 18th Jul 1939 | Box 128 \ 3 scan0194 | |
| Letter from Morse Chain Company Limited regarding a proposed visit to Rolls-Royce. | 18th Jul 1939 | Box 128 \ 3 scan0195 | |
| Letter to The Morse Chain Company Limited arranging a meeting with their representative. | 20th Jul 1939 | Box 128 \ 3 scan0196 | |
| Letter from The Morse Chain Company Limited confirming a meeting. | 22th Jul 1939 | Box 128 \ 3 scan0197 | |
| Drawing of a Morse 1/2' pitch, -1866N- type chain on a 19T sprocket, shown at 10 times size. | 20th May 1938 | Box 128 \ 3 scan0198 | |
| Letter from Morse Chain Company regarding chain tests for the 'Bentley 60' model. | 27th Jul 1939 | Box 128 \ 3 scan0199 | |
| Provision of non-skid ladder chains for different tyre sizes. | 24th Nov 1940 | Box 128 \ 3 scan0200 | |
| The dispatch of a wheel on loan to Parsons Chain Co. for non-skid chain fitting. | 3rd Dec 1940 | Box 128 \ 3 scan0201 | |
| File cover for a Lancia Aprilia car. | 3rd Dec 1940 | Box 128 \ 3 scan0202 | |
| Promotional brochure for the Aprilia car, detailing its key specifications. | 3rd Dec 1940 | Box 128 \ 3 scan0203 | |
| Specification document for the Lancia Aprilia model. | 3rd Dec 1940 | Box 128 \ 3 scan0204 | |
| Brochure for the Lancia Aprilia long wheelbase chassis, detailing its features and specifications. | 3rd Dec 1940 | Box 128 \ 3 scan0205 | |
| Specification sheet for the Lancia Aprilia, detailing its principal characteristics and features. | 29th Jun 1910 | Box 128 \ 3 scan0206 | |
| To Mr. Johnson regarding issues with the Wolseley Central Brake attachment and comparing it to a superior floating fulcrum design. | 29th Jun 1910 | Box 128 \ 3 scan0207 | |
| Comparison of brake fitting and actuation methods, contrasting the Wolseley method with the R.R. arrangement. | 1st Feb 1940 | Box 128 \ 3 scan0208 | |
| Illustrations of a rear brake drum assembly, shown mounted to the chassis and axle. | 29th Jun 1910 | Box 128 \ 3 scan0209 | |
| Wolseley Central Brake system, referencing a past accident and comparing it to their own design. | 6th Jul 1910 | Box 128 \ 3 scan0210 | |
| Comparison of engine vibration between their own six-cylinder engine and those of Wolseley and Daimler. | 26th Jul 1911 | Box 128 \ 3 scan0211 | |
| Typed note regarding being behind the times on vibration investigations. | 26th Jul 1911 | Box 128 \ 3 scan0212 | |
| Diagram and description of an oil filter, possibly from 'The Autocar' publication. | 28th Oct 1912 | Box 128 \ 3 scan0213 | |
| Telegram regarding a Wolseley car and chassis number 2301. | 15th Dec 1912 | Box 128 \ 3 scan0214 | |
| Responding to a telegram concerning a Wolseley car. | 6th Feb 1914 | Box 128 \ 3 scan0215 | |
| Responding to a telegram about a Wolseley car. | 9th Feb 1914 | Box 128 \ 3 scan0216 | |
| Quoting a telegraph about the status and use of company cars for testing purposes. | 19th Feb 1914 | Box 128 \ 3 scan0217 | |
| Comparing the springing of a Wolseley car against a Daimler, finding the Wolseley's performance abominable. | 15th Apr 1914 | Box 128 \ 3 scan0218 | |
| The collection and testing of a Wolseley car's springing. | 20th Apr 1914 | Box 128 \ 3 scan0219 | |
| Confidential letter requesting a Wolseley car be brought to Derby for springing tests. | 20th Apr 1914 | Box 128 \ 3 scan0220 | |
| Arrangement to collect a Wolseley car from Cricklewood for experimental work desired by Mr Royce. | 21th Apr 1914 | Box 128 \ 3 scan0221 | |
| Authorisation to pay one sovereign for expenses to collect an experimental car from Cricklewood. | 22th Apr 1914 | Box 128 \ 3 scan0222 | |
| Instruction note requesting a special order for work on a Wolseley car. | 24th Apr 1914 | Box 128 \ 3 scan0223 | |
| Providing the order number for work on a Wolseley Car. | 27th Apr 1914 | Box 128 \ 3 scan0224 | |
| Request to the Shipping Department to despatch an Experimental Car's Landaulet body and parts to Messrs. Barkers. | 30th Jun 1914 | Box 128 \ 3 scan0225 | |
| Private and confidential memo regarding testing and the potential sale of Wolseley, Daimler, and Lanchester cars. | 14th Jul 1914 | Box 128 \ 3 scan0226 | |
| Sale and retention of several old cars including a Daimler, Wolseley, and Lanchester. | 17th Jul 1914 | Box 128 \ 3 scan0227 | |
| The sale of a Wolseley Car, X.1130, from the Experimental Department. | 21th Jul 1914 | Box 128 \ 3 scan0228 | |
| Instructions to send a Wolseley car chassis to Cockshoots of Manchester for a new body to be fitted. | 22th Jul 1914 | Box 128 \ 3 scan0229 | |
| Private and confidential memo regarding the dispatch of a Wolseley car chassis to Messrs Cockshoots of Manchester. | 23th Jul 1914 | Box 128 \ 3 scan0230 | |
| To the Shipping Department regarding the despatch of a Wolseley Chassis X.1130 to Messrs Cockshoots. | 30th Jul 1914 | Box 128 \ 3 scan0231 | |
| Letter regarding the sale of a second-hand Wolseley chassis previously used for experimentation. | 1st Aug 1914 | Box 128 \ 3 scan0232 | |
| Inquiry regarding the status and location of a secondhand landaulet body for a Wolseley car. | 8th Jan 1915 | Box 128 \ 3 scan0233 | |
| Requesting information about a Wolseley Car, with a handwritten response detailing the tests performed on the chassis. | 12th Oct 1915 | Box 128 \ 3 scan0234 | |
| Agreements with the Wolseley Company regarding direct communication, camshaft production, and engine design. | 5th Apr 1918 | Box 128 \ 3 scan0235 | |
| Agreement outlining terms for Wolseley and Vickers regarding unpatented design features and material testing for aero engines. | 5th Apr 1918 | Box 128 \ 3 scan0236 | |
| Of agreement concerning engine destructive testing, manufacturing processes with Wolseley's, and nameplate design. | 5th Apr 1918 | Box 128 \ 3 scan0237 | |
| Agenda for a conference with Mr. McCormack regarding engine manufacturing and supply collaboration with Wolseley. | 5th Apr 1918 | Box 128 \ 3 scan0238 | |
| Quality of a 15-HP Humber car and comparing it with other small cars like the Wolseley. | 7th Mar 1921 | Box 128 \ 3 scan0239 | |
| Short telegram message proposing a change of meeting day to Wolseley Motors. | 19th Aug 1937 | Box 128 \ 3 scan0240 | |
| Telegram to Gryll's Rolls Royce in Derby confirming an arrangement for Thursday. | 19th Aug 1937 | Box 128 \ 3 scan0241 | |
| Letter to R. Cordey of Wolseley Motors Ltd. confirming a meeting arrangement. | 20th Aug 1937 | Box 128 \ 3 scan0242 | |
| Letter to Wolsey Motors regarding an axle test rig and sending an arrangement drawing of a Bentley rear axle. | 26th Aug 1937 | Box 128 \ 3 scan0243 | |
| Letter from Wolseley Motors Ltd. enclosing a photograph of the Axle Testing Machine. | 26th Aug 1937 | Box 128 \ 3 scan0244 | |
| Letter to Wolseley Motors Ltd. concerning a visit to their works to sketch an apparatus. | 28th Aug 1937 | Box 128 \ 3 scan0245 | |
| Visit to Wolseley Motors to inspect their rear axle test rig and a recommendation to build a similar one. | 30th Aug 1937 | Box 128 \ 3 scan0246 | |
| Photograph of a Wolseley rear axle test rig in a workshop. | 2nd Sep 1937 | Box 128 \ 3 scan0247 | |
| Letter to Wolsey Motors inquiring about the cost and failure order of an axle rig. | 2nd Sep 1937 | Box 128 \ 3 scan0248 | |
| Letter from Morris Motors regarding a rear axle testing rig and axle failures. | 7th Sep 1937 | Box 128 \ 3 scan0249 | |
| Requesting an order to be passed to Borg & Beck for a driven plate assembly. | 1st Sep 1936 | Box 129 \ 1 scan0001 | |
| Letter to Borg & Beck Co. Ltd. requesting a 10' driven plate for testing and urging about two special 11' clutches. | 1st Sep 1936 | Box 129 \ 1 scan0002 | |
| Letter from clutch manufacturer Borg & Beck regarding clutch facings and despatching clutches on order. | 2nd Sep 1936 | Box 129 \ 1 scan0003 | |
| Letter to Messrs. Borg & Beck Co. Ltd. regarding a reduction in thrust spring load for the Ph.III clutch. | 8th Sep 1936 | Box 129 \ 1 scan0004 | |
| Standardisation of parts form for an 11' Borg & Beck Clutch. | 19th Aug 1936 | Box 129 \ 1 scan0005 | |
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