| Description | Date | Identifier | |
| Letter chasing a delayed order for clutch release lever springs for a 34/40 Buick engine. | 21th Feb 1936 | Box 124 \ 3 scan0393 | |
| Letter to Messrs. Lendrum & Hartman Ltd. regarding incorrect clutch springs received for a 34/40 Buick. | 24th Feb 1936 | Box 124 \ 3 scan0394 | |
| Summary of road test performances comparing Alvis, Bentley, Buick, Chevrolet, Hotchkiss, and Lagonda cars. | 10th Mar 1936 | Box 124 \ 3 scan0395 | |
| Payment approval for an invoice from Lendrum & Hartman Limited for clutch springs. | 11th Mar 1936 | Box 124 \ 3 scan0396 | |
| 3 Clutch Trunnion Retaining Springs for an order to Messrs. Lendrum & Hartman. | 13th Mar 1936 | Box 124 \ 3 scan0397 | |
| Requesting an official order to be passed to Messrs. Lendrum & Hartman Ltd. for parts. | 24th Mar 1936 | Box 124 \ 3 scan0398 | |
| Short memo regarding the sale of a Buick and its delivery to Lillie Hall. | 3rd Apr 1936 | Box 124 \ 3 scan0399 | |
| Dispatch of a Buick car to Lillie Hall and the acquisition of a new Chevrolet car. | 6th Apr 1936 | Box 124 \ 3 scan0400 | |
| The weight of a 1935 Buick Century Model. | 20th Apr 1936 | Box 124 \ 3 scan0401 | |
| Letter from Buick Motor Company providing layouts for the front wheel movement geometry of their 1936 'Century' model. | 31th Jul 1936 | Box 124 \ 3 scan0402 | |
| Letter to the Buick Motor Company thanking them for drawings of the 'Century' model front suspension. | 11th Aug 1936 | Box 124 \ 3 scan0403 | |
| Layout of the Buick 'Century' model and comparing its wheel geometry with existing independent suspension designs. | 13th Aug 1936 | Box 124 \ 3 scan0404 | |
| Comparison table of wheel and suspension geometry for various car models. | 26th Aug 1936 | Box 124 \ 3 scan0405 | |
| Weight of the Phantom III model and its impact on cost and performance. | 26th Aug 1936 | Box 124 \ 3 scan0406 | |
| Report discussing vehicle handling, economy, and the benefits of weight reduction, with comparisons to competitors. | 20th Aug 1936 | Box 124 \ 3 scan0407 | |
| Possibility of reducing the weight of the Ph.III chassis and body. | 20th Aug 1936 | Box 124 \ 3 scan0408 | |
| Comparison of specifications and weights for Buick cars from 1932 and 1936. | 26th Aug 1936 | Box 124 \ 3 scan0409 | |
| List of weight and cost decreases for a Bentley Chassis. | 26th Aug 1936 | Box 124 \ 3 scan0410 | |
| List of component modifications showing the resulting increase in weight and cost. | 26th Aug 1936 | Box 124 \ 3 scan0411 | |
| Comparison of chassis and body weights for Phantom II and Phantom III cars with different coachbuilder bodies. | 2nd Mar 1936 | Box 124 \ 3 scan0412 | |
| Table showing the variation of chassis weights for Phantom II, Phantom III, 20/25 HP, and Bentley cars. | 2nd Mar 1936 | Box 124 \ 3 scan0413 | |
| Letter from Buick Motor Company enclosing a 1937 Buick Shop Manual. | 7th Oct 1936 | Box 124 \ 3 scan0414 | |
| Letter to The Buick Motor Co. thanking them for a service manual and offering to reciprocate with their own information. | 16th Oct 1936 | Box 124 \ 3 scan0415 | |
| Circulating a 1937 Buick Shop Manual to discuss noteworthy points and potential advantages. | 16th Oct 1936 | Box 124 \ 3 scan0416 | |
| Numbered list of technical notes and queries regarding automotive components and design. | 16th Oct 1936 | Box 124 \ 3 scan0417 | |
| List of observations and questions about various vehicle components, with assigned initials for action. | 16th Oct 1936 | Box 124 \ 3 scan0418 | |
| Letter to Buick Motor Co. requesting information on a device preventing second gear disengagement on their 1937 models. | 30th Oct 1936 | Box 124 \ 3 scan0419 | |
| Letter from Buick Motor Company enclosing a catalogue and shop manual for the 1936 Buick 'Century'. | 1st Jul 1936 | Box 124 \ 3 scan0420 | |
| Letter from Buick Motor Company concerning a device to prevent second gear from slipping on the overrun. | 24th Dec 1936 | Box 124 \ 3 scan0421 | |
| Engineering drawing of a second and third speed clutch component with internal and external splines. | 16th Jun 1936 | Box 124 \ 3 scan0422 | |
| Letter to the Buick Motor Company asking five technical questions about their engine design. | 10th Nov 1936 | Box 124 \ 3 scan0423 | |
| The concluding page of a letter with questions regarding an instruction manual. | 10th Nov 1936 | Box 124 \ 3 scan0424 | |
| Letter from Buick Motor Company answering technical questions about their engine design, including push rods, pistons, and crankcase ventilation. | 4th Jan 1937 | Box 124 \ 3 scan0425 | |
| Page 2 of a letter from Buick Motor Company regarding engine lubrication and contamination. | 23th Dec 1936 | Box 124 \ 3 scan0426 | |
| Analysis of valve lash variation resulting from the substitution of aluminum for malleable iron rocker arm brackets. | 23th Dec 1936 | Box 124 \ 3 scan0427 | |
| Continued report on valve lash variation, comparing aluminum and malleable iron brackets. | 2nd Nov 1936 | Box 124 \ 3 scan0428 | |
| Test procedure for checking high-coefficient rocker arm brackets. | 2nd Nov 1936 | Box 124 \ 3 scan0429 | |
| Graph comparing valve lash, oil temperature, and water temperature over time for a 1936 Series 60 engine with different rocker arm bracket materials. | 18th Feb 1936 | Box 124 \ 3 scan0430 | |
| Graph comparing valve lash and temperatures for a 1936 P.OD. Series 60 engine with different rocker arm brackets. | 18th Feb 1936 | Box 124 \ 3 scan0431 | |
| Drawing and specification sheet for a 1937 Buick Flywheel. | 1st Jan 1937 | Box 124 \ 3 scan0432 | |
| Specification sheet detailing the weights of various parts for 1937 Buick models. | 24th Mar 1937 | Box 124 \ 3 scan0433 | |
| Buick inter-departmental memorandum answering questions on vehicle components like shackles, shocks, suspension, weights, and exhausts. | 25th Mar 1937 | Box 124 \ 3 scan0434 | |
| Comparison table of performance data for four different engines. | 25th Mar 1937 | Box 124 \ 3 scan0435 | |
| Departmental memo detailing the very poor mechanical condition of an inspected Austin car. | 30th Sep 1910 | Box 124 \ 4 scan0001 | |
| Request for a committee report on the Austin Co.'s method for attaching detachable Sankey wheels. | 23th Feb 1914 | Box 124 \ 4 scan0002 | |
| Letter to F.H. Royce suggesting the design of a new engine with enclosed valves, inspired by a new Austin car. | 14th Dec 1912 | Box 124 \ 4 scan0003 | |
| Typed letter critiquing the engine and chassis design of competitor Austin. | 18th Dec 1912 | Box 124 \ 4 scan0004 | |
| Chassis design, including 3-point suspension, torque tube brakes, and a comparison to an Austin arrangement. | 3rd Mar 1919 | Box 124 \ 4 scan0005 | |
| Letter discussing the material composition and performance testing of a Ferodo clutch plate used in an Austin car. | 3rd Mar 1919 | Box 124 \ 4 scan0006 | |
| Request for the return of a disc needed as a valuable sales specimen. | 15th Aug 1917 | Box 124 \ 4 scan0007 | |
| Letter to The Austin Motor Co. Ltd. inquiring about cylinder material and cylinder wear. | 18th Nov 1936 | Box 124 \ 4 scan0008 | |
| Invitation to lunch to meet with representatives from the Austin Company. | 12th Jan 1938 | Box 124 \ 4 scan0009 | |
| Assessment report on a second-hand 1940 Austin 8 car. | 22th Dec 1940 | Box 124 \ 4 scan0010 | |
| Telegram message regarding holding an Austin 8 vehicle for a trial. | 31th Dec 1940 | Box 124 \ 4 scan0011 | |
| Order for an Austin '8' car from Car Mart Ltd. | 3rd Jan 1941 | Box 124 \ 4 scan0012 | |
| Requesting an order be sent for the purchase of an Austin '8' car from Car Mart Ltd. | 3rd Jan 1941 | Box 124 \ 4 scan0013 | |
| Letter to Car Mart Ltd. requesting the forgotten Registration Book for an Austin car. | 3rd Jan 1941 | Box 124 \ 4 scan0014 | |
| Excessive oil consumption in an Austin 8, suggesting inspection of pistons and rings. | 7th Jan 1941 | Box 124 \ 4 scan0015 | |
| Performance review and commentary on an 8 HP Austin car, registration AFV.977. | 25th Feb 1941 | Box 124 \ 4 scan0016 | |
| Road test report and specification sheet for an unnamed car, continued from a previous page. | 25th Feb 1941 | Box 124 \ 4 scan0017 | |
| Specification sheet detailing the firing order, rear axle, steering, suspension, brakes, tyres, and chassis. | 25th Feb 1941 | Box 124 \ 4 scan0018 | |
| Specification sheet detailing the overall dimensions and weight of a vehicle. | 25th Feb 1941 | Box 124 \ 4 scan0019 | |
| Letter from Wilmot-Breeden Ltd discussing a sample Austin radiator grille with cream treatment for potential decorative use on new cars. | 26th Feb 1941 | Box 124 \ 4 scan0020 | |
| Requesting a quarter-scale drawing of an Austin 8 HP car. | 2nd Mar 1941 | Box 124 \ 4 scan0021 | |
| Proposed modifications to an Austin 8HP car to improve steering and ride quality. | 2nd Mar 1941 | Box 124 \ 4 scan0022 | |
| Comments and issues found during a vehicle test drive at Leyland for inclusion in the log book. | 11th Apr 1941 | Box 124 \ 4 scan0023 | |
| Cylinder bore dimension measurements before and after a mileage test for an Austin '8' unit. | 13th May 1941 | Box 124 \ 4 scan0024 | |
| Request for a report on the running performance and failures of Studebaker, Vauxhall, Morris and Austin cars. | 28th May 1941 | Box 124 \ 4 scan0025 | |
| Proposal to improve the ride and handling of an 8 HP Austin by modifying the front leaf springs. | 17th Jul 1941 | Box 124 \ 4 scan0026 | |
| Comparison table of vehicle specifications for standard, modified front springs, and modified front springs with an anti-roll bar. | 17th Jul 1941 | Box 124 \ 4 scan0027 | |
| Comparison table of suspension characteristics and roll rates for standard versus modified front spring setups. | 17th Jul 1941 | Box 124 \ 4 scan0028 | |
| Proposal to improve the ride and handling of an 8 HP Austin by softening the front springs, including leaf spring specifications. | 17th Jul 1941 | Box 124 \ 4 scan0029 | |
| Comparison table of vehicle specifications with standard, modified, and anti-roll bar suspension setups. | 17th Jul 1941 | Box 124 \ 4 scan0030 | |
| Data sheet comparing suspension characteristics under different front spring configurations. | 17th Jul 1941 | Box 124 \ 4 scan0031 | |
| Scheme PL.787, detailing suggestions for fitting a Burman steering gear to an Austin 8. | 29th Jul 1941 | Box 124 \ 4 scan0032 | |
| Programme for approval outlining modifications and tests for an Austin 8 vehicle. | 9th Aug 1941 | Box 124 \ 4 scan0033 | |
| Driver complaints about chassis parts and the need for modifications before proceeding to stage (2b). | 9th Aug 1941 | Box 124 \ 4 scan0034 | |
| The steering wheel attachment for an Austin 8 car, referencing drawing PL.910. | 14th Oct 1941 | Box 124 \ 4 scan0035 | |
| Letter from a supplier regarding an error in the manufacturing of lubricated front springs. | 10th Nov 1941 | Box 124 \ 4 scan0036 | |
| Letter to Burman & Sons Ltd. confirming arrangements for a steering box for an Austin 8 car. | 12th Nov 1941 | Box 124 \ 4 scan0037 | |
| The fitting and road testing of a Burman steering gear on an Austin 8. | 2nd Dec 1941 | Box 124 \ 4 scan0038 | |
| The modifications required to fit a 'Myth' engine into an 'Austin 8' chassis. | 5th May 1942 | Box 124 \ 4 scan0039 | |
| Progress report on the problem of matching an Austin 8 first motion shaft with a Myth clutch. | 5th May 1942 | Box 124 \ 4 scan0040 | |
| Fitting an engine into a 4-door saloon instead of a 2-door saloon due to petrol shortages. | 7th May 1942 | Box 124 \ 4 scan0041 | |
| Performance test report on a 10 HP Austin car, registration HPJ.748. | 23th Jun 1942 | Box 124 \ 4 scan0042 | |
| Vehicle assessment report detailing suspension issues, comfort, noise, and technical specifications. | 23th Jun 1942 | Box 124 \ 4 scan0043 | |
| Specification sheet detailing vehicle components, gear ratios, and overall dimensions. | 23th Jun 1942 | Box 124 \ 4 scan0044 | |
| Luggage carrier capacity and the weight distribution of a car with a full tank. | 23th Jun 1942 | Box 124 \ 4 scan0045 | |
| Gearbox trouble and damaged parts in an Austin 8 HP - 1939 Model. | 14th Jan 1943 | Box 124 \ 4 scan0046 | |
| Photograph showing a cracked synchronizer cone on a 2nd speed gear from a 1939 Austin 8 HP at 18,000 miles. | 14th Jan 1943 | Box 124 \ 4 scan0047 | |
| Photograph showing damaged distance washers on a 3rd motion shaft from a 1939 Austin 8 HP | 14th Jan 1943 | Box 124 \ 4 scan0048 | |
| Noisy gearbox and damaged components in an Austin 8 HP 1939 Model at 18,000 miles. | 14th Jan 1943 | Box 124 \ 4 scan0049 | |
| Photograph showing a cracked synchro cone on a 1939 Austin 8 HP 2nd speed gear. | 14th Jan 1943 | Box 124 \ 4 scan0050 | |
| Photograph showing damaged distance washers on a 3rd motion shaft from a 1939 Austin 8 HP car after 18,000 miles. | 12th Jul 1943 | Box 124 \ 4 scan0051 | |
| Broken rear axle half shaft on a 1939 Austin 8 HP car. | 12th Jul 1943 | Box 124 \ 4 scan0052 | |
| Photograph showing a failed rear axle half shaft from an Austin 8 HP vehicle. | 29th Jan 1944 | Box 124 \ 4 scan0053 | |
| Photograph of a Layshaft with broken teeth from the gearbox of an Austin 8 HP car. | 29th Jan 1944 | Box 124 \ 4 scan0054 | |
| Photograph showing a layshaft with broken gear teeth from an Austin 8 HP car. | 1st Nov 1939 | Box 124 \ 4 scan0055 | |
| Design status of the column-mounted gear lever for a Left Hand Phantom. | 1st Nov 1939 | Box 124 \ 4 scan0056 | |
| Sourcing and specification of accessories for a Silver Phantom chassis 31.G.7. | 4th Nov 1939 | Box 124 \ 4 scan0057 | |
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