| Description | Date | Identifier | |
| Preview from 'The Motor' magazine of the 1939 Le Mans 24 Hours sports car race, including a track map and list of entrants. | 13th Jun 1939 | Box 128 \ 3 scan0054 | |
| Letter to Park Ward & Co. Ltd. regarding a new design for a spare wheel cover. | 17th Aug 1939 | Box 128 \ 3 scan0055 | |
| Cover memo regarding figures for the sales of cars in Great Britain, including 1938. | 22th Aug 1939 | Box 128 \ 3 scan0056 | |
| Table of new private car registrations in Great Britain by horse power class from 1929 to 1938. | 10th Jul 1939 | Box 128 \ 3 scan0057 | |
| Graph comparing car acceleration from 20 to 40 M.P.H. against fuel consumption in litres per ton per mile for various models. | 10th Jul 1939 | Box 128 \ 3 scan0058 | |
| Inquiry to Sunbeam Motors Ltd. regarding radiator coolant loss in Talbot 10 and Minx cars. | 11th Dec 1939 | Box 128 \ 3 scan0060 | |
| Performance and specification comparison between Vauxhall 14 and Rover 16 models. | 1st Dec 1939 | Box 128 \ 3 scan0061 | |
| Comparison of performance and specification data for Vauxhall I4 and Rover I6 models. | 10th Feb 1939 | Box 128 \ 3 scan0062 | |
| Note about a letter from Morris Motors regarding fin and tube radiators. | 30th Jan 1940 | Box 128 \ 3 scan0063 | |
| Summary of design trends in 1940 cars, extracted from a S.A.E. journal. | 9th Feb 1940 | Box 128 \ 3 scan0064 | |
| List of modifications and specifications for competitor vehicles, including Cadillac, Buick, and Hudson. | 9th Feb 1940 | Box 128 \ 3 scan0065 | |
| Summary of technical specifications for American cars, covering tyres, brakes, suspension, and frames. | 1st Feb 1940 | Box 128 \ 3 scan0066 | |
| List of observations on competitor automobile design trends, including features on aerials, jacks, body dimensions, and convertible tops. | 3rd Feb 1940 | Box 128 \ 3 scan0067 | |
| Letter from the Experimental Department responding to a query about valve seat recessing on a Rapier car. | 1st Mar 1940 | Box 128 \ 3 scan0068 | |
| Letter to Smith, Esq. discussing the effects of adjusting valve timing on engine performance. | 1st Mar 1940 | Box 128 \ 3 scan0069 | |
| Specifications of the Minx Gearbox. | 8th Mar 1940 | Box 128 \ 3 scan0070 | |
| With a data table for tooth depth and chordal thickness, recommending a new process for forming oil grooves on splines. | 8th Mar 1940 | Box 128 \ 3 scan0071 | |
| Thank you letter regarding the performance impact of engine alterations. | 19th Mar 1940 | Box 128 \ 3 scan0072 | |
| Test report and review of competing 10-HP cars, specifically the Vauxhall and Austin saloons. | 3rd Apr 1940 | Box 128 \ 3 scan0073 | |
| Technical assessment and comparison of an Austin Saloon and a Hillman Minx Saloon. | 3rd Apr 1940 | Box 128 \ 3 scan0074 | |
| Performance and handling comparison report for a Wolseley Saloon and a Morris Saloon. | 3rd Apr 1940 | Box 128 \ 3 scan0075 | |
| Competitor vehicle assessment report for Morris and Sunbeam-Talbot models. | 3rd Apr 1940 | Box 128 \ 3 scan0076 | |
| Performance and quality assessment of three 1939 saloon cars. | 3rd Apr 1940 | Box 128 \ 3 scan0077 | |
| Report continuing the review of a 1939 Standard 12 Saloon and summarizing competitor 10-HP car performance. | 3rd Apr 1940 | Box 128 \ 3 scan0078 | |
| Comparing Wolseley, Standard, and Hillman cars and discussing the potential purchase of a second-hand vehicle. | 5th Apr 1940 | Box 128 \ 3 scan0079 | |
| Options for sourcing a second-hand Standard 10 HP car. | 5th Apr 1940 | Box 128 \ 3 scan0080 | |
| Request to borrow a Lagonda car for comparative testing at the Works. | 9th Apr 1940 | Box 128 \ 3 scan0081 | |
| Arranging the viewing of a second-hand 1940 Super 10 Standard Saloon. | 9th Apr 1940 | Box 128 \ 3 scan0082 | |
| Letter from High Duty Alloys Ltd. regarding the loan of a Lagonda. | 12th Apr 1940 | Box 128 \ 3 scan0083 | |
| Letter from British & Colonial Motors regarding a customer's test drive and subsequent engine tuning. | 13th Apr 1940 | Box 128 \ 3 scan0084 | |
| Letter to W.C. Devereux of High Duty Alloys Ltd. regarding the use of a car for no more than a week. | 15th Apr 1940 | Box 128 \ 3 scan0085 | |
| Letter regarding the urgent purchase of a 1939 Super Standard 10-HP car. | 15th Apr 1940 | Box 128 \ 3 scan0086 | |
| Letter to British & Colonial Motors regarding poor suspension feedback on a 10-HP Standard Car after a trial run. | 15th Apr 1940 | Box 128 \ 3 scan0087 | |
| Letter to the Society of Motor Manufacturers & Traders requesting sales figures for popular 10-HP cars. | 22th Apr 1940 | Box 128 \ 3 scan0088 | |
| Comparing the interior body dimensions of a Lagonda car with the Cresta and Bentley V models. | 26th Apr 1940 | Box 128 \ 3 scan0089 | |
| Comparative table of vehicle dimensions for Lagonda, B.V., and Cresta models. | 26th Apr 1940 | Box 128 \ 3 scan0090 | |
| Performance test results for a Lagonda 12 Cylinder car comparing acceleration times using Ethyl and Pool fuel. | 30th Apr 1940 | Box 128 \ 3 scan0091 | |
| And comparing the acceleration performance figures of a Lagonda against another vehicle, likely a Bentley. | 3rd May 1940 | Box 128 \ 3 scan0092 | |
| From Sg. to Ev. requesting information on tests concerning 'The Lagonda' in the absence of Rm. | 6th May 1940 | Box 128 \ 3 scan0093 | |
| Secret internal memo concerning Lagonda, attaching a note and a drafted reply. | 7th May 1940 | Box 128 \ 3 scan0094 | |
| Secret internal memorandum comparing performance tests against a Lagonda vehicle. | 7th May 1940 | Box 128 \ 3 scan0095 | |
| Comparison of acceleration figures between a Lagonda and model 11.B.V. (Comet) from a 1939 Autocar test. | 30th Jun 1939 | Box 128 \ 3 scan0096 | |
| Comparison of alleged and actual performance curves for a Lagonda vehicle. | 20th May 1940 | Box 128 \ 3 scan0097 | |
| Comparative table of interior dimensions and other data for different 10 HP car bodies. | 5th Apr 1940 | Box 128 \ 3 scan0098 | |
| Performance and petrol consumption test results for a Bentley Car 11 B.V. Unit B.80. No.3, comparing Stromberg and S.U. carburettors. | 5th Apr 1940 | Box 128 \ 3 scan0099 | |
| Comparison of fuel consumption figures for Stromberg versus 3 S.U. carburettors, with details of the test vehicle's configuration. | 17th May 1940 | Box 128 \ 3 scan0100 | |
| Performance curves for a 12 Cylinder Lagonda. | 17th May 1940 | Box 128 \ 3 scan0101 | |
| Forwarding a report on the poor performance of a Lagonda power plant due to low M.E.P. | 1st Jul 1940 | Box 128 \ 3 scan0102 | |
| Performance comparison memorandum between a 12-cylinder Lagonda and a Bentley. | 30th Jun 1940 | Box 128 \ 3 scan0103 | |
| Performance comparison of various cars, including Lagonda, Bentley, and Wraith, based on 'Cubic Ft./Ton Mile' figures. | 30th Jun 1940 | Box 128 \ 3 scan0104 | |
| Graph comparing the Brake Mean Effective Pressure (B.M.E.P.) of a 12-cylinder Lagonda engine and a Bentley B80 engine. | 30th Jun 1949 | Box 128 \ 3 scan0105 | |
| Performance graph for a Lagonda V12 engine, plotting B.HP and B.M.E.P. against R.P.M. | 30th Jun 1940 | Box 128 \ 3 scan0106 | |
| Letter on Grosvenor Hotel letterhead discussing a BMW's performance, specifically its ignition, weight, and fuel consumption. | 28th Jun 1941 | Box 128 \ 3 scan0107 | |
| Letter on Grosvenor Hotel letterhead discussing bonnet and battery specifications. | 17th Sep 1925 | Box 128 \ 3 scan0108 | |
| Telegram from Minchin to Robotham arranging a visit to the Derby factory. | 10th Jun 1941 | Box 128 \ 3 scan0109 | |
| Weight measurements of Mr. Minchin's B.M.W. | 30th Jun 1941 | Box 128 \ 3 scan0110 | |
| Weight measurement report for a Mr. Minchin's B.M.W. | 30th Jun 1941 | Box 128 \ 3 scan0111 | |
| Letter on Pritchett & Gold letterhead regarding the weight and performance of a B.R.W. car, its brakes, and a new lighter battery. | 1st Jul 1941 | Box 128 \ 3 scan0112 | |
| Invitation to test drive a newly acquired 1940 Lancia Aprilia and compare it to other vehicles. | 22th May 1942 | Box 128 \ 3 scan0113 | |
| Declining an offer to test drive an Aprilia car due to a full schedule. | 28th May 1942 | Box 128 \ 3 scan0114 | |
| Interim report on the performance and failures of various small cars, with a detailed log for a Studebaker. | 23th Aug 1943 | Box 128 \ 3 scan0115 | |
| List of vehicle repairs and maintenance notes with corresponding mileage readings. | 23th Aug 1943 | Box 128 \ 3 scan0116 | |
| Maintenance and issues with an Austin 10 HP and a Lancia Aprilia. | 23th Aug 1943 | Box 128 \ 3 scan0117 | |
| Log of failures and repairs for a Lancia Aprilia and an Austin 8 HP, with corresponding mileage readings. | 23th Aug 1943 | Box 128 \ 3 scan0118 | |
| Continued log of vehicle failures and maintenance for an Austin 8 HP, with corresponding speedometer readings, and a note on a Vauxhall 10 HP. | 23th Aug 1943 | Box 128 \ 3 scan0119 | |
| Log of vehicle repairs and component failures with corresponding speedometer readings. | 23th Aug 1943 | Box 128 \ 3 scan0120 | |
| Log of vehicle faults, repairs, and component replacements recorded by mileage. | 23th Aug 1943 | Box 128 \ 3 scan0121 | |
| Comparison of petrol and oil consumption figures for various competitor car models. | 22th Oct 1943 | Box 128 \ 3 scan0122 | |
| Explaining an attached chart of car engine R.P.M. figures at 60 Miles per Hour. | 22th Oct 1943 | Box 128 \ 3 scan0123 | |
| Comparison table of various cars, listing axle ratios, tyre sizes, and performance data at 60MPH. | 22th Oct 1943 | Box 128 \ 3 scan0124 | |
| Letter of gratitude for repairs to a 100,000-mile car. | 29th Oct 1943 | Box 128 \ 3 scan0125 | |
| Article from 'The Motor' magazine detailing Mercedes-Benz and Hanomag-Diesel speed record attempts on a German autobahn. | 14th Feb 1939 | Box 128 \ 3 scan0126 | |
| Page from 'The Motor' magazine reporting on the Oxford University Trial and the Coventry Cup trial. | 14th Feb 1939 | Box 128 \ 3 scan0127 | |
| Test report on a Hillman 14 HP car with registration JPA.762. | 31th Jan 1944 | Box 128 \ 3 scan0128 | |
| Vehicle assessment report detailing issues with suspension, body, and providing technical specifications. | 31th Jan 1944 | Box 128 \ 3 scan0129 | |
| Specification sheet detailing gearbox, dimensions, wheels, and capacities of a vehicle. | 31th Jan 1944 | Box 128 \ 3 scan0130 | |
| The weight of a car when fully fuelled, including front, rear, and total measurements. | 7th Feb 1944 | Box 128 \ 3 scan0131 | |
| Internal memorandum inquiring about the performance and failures of the Minx gearbox used in the 14 HP Hillman chassis. | 7th Feb 1944 | Box 128 \ 3 scan0132 | |
| Vehicle assessment report on the Hillman Minx 10 HP 1942 model. | 17th Feb 1944 | Box 128 \ 3 scan0133 | |
| Vehicle road test report detailing suspension, miscellaneous issues, and performance figures, with a comparison to a Vauxhall 10 HP. | 17th Feb 1944 | Box 128 \ 3 scan0134 | |
| Specification sheet detailing petrol consumption, engine, gearbox, and dimensions for a vehicle. | 17th Feb 1944 | Box 128 \ 3 scan0135 | |
| Specification sheet detailing wheel size, fluid capacities, and vehicle weight. | 22th Feb 1944 | Box 128 \ 3 scan0136 | |
| Failures of the Minx gear box fitted in a 14 HP Hillman Chassis. | 22th Feb 1944 | Box 128 \ 3 scan0137 | |
| Removal and examination of a Minx gearbox from a 14 HP Hillman chassis for potential use in the Silver Ripple. | 25th Feb 1944 | Box 128 \ 3 scan0138 | |
| Use of an American-made silent chain front end drive for the Wraith, with a comparison to a Cadillac's drive. | 26th Nov 1934 | Box 128 \ 3 scan0139 | |
| Blueprints and the request for detail drawings for the Wraith Engine wheelcase chain drives. | 19th Dec 1934 | Box 128 \ 3 scan0140 | |
| Letter from Morse Chain Co. providing engineering data for chain and sprockets. | 3rd Apr 1934 | Box 128 \ 3 scan0141 | |
| Letter from Morse Chain Company requesting a tentative sketch for an Automatic Adjustment Sprocket design. | 4th Mar 1934 | Box 128 \ 3 scan0142 | |
| Technical blueprint of a Morse Automatic Adjustment Sprocket. | 11th Jun 1931 | Box 128 \ 3 scan0143 | |
| Blueprint detailing the dimensions for Guide Groove No. 6 for a duplex chain. | 24th Sep 1931 | Box 128 \ 3 scan0144 | |
| Blueprint for a crankshaft sprocket for the Cadillac Motor Car Co. | 9th Oct 1929 | Box 128 \ 3 scan0145 | |
| Automotive engineering data for Morse genuine silent chains and sprockets. | 9th Oct 1929 | Box 128 \ 3 scan0146 | |
| Sprocket and chain dimension data for center guide and side guide type timing chains. | 13th Apr 1934 | Box 128 \ 3 scan0147 | |
| Letter to the Morse Chain Co. discussing chain pitch preferences following a visit to the Graham-Paige plant. | 13th Apr 1934 | Box 128 \ 3 scan0148 | |
| Letter to The Morse Chain Co. questioning statistics on the popularity of gear drives over chain drives. | 21th Apr 1934 | Box 128 \ 3 scan0149 | |
| Letter to F.C. Thomas of The Morse Chain Co. thanking him for the courtesy extended to Mr. Robotham. | 7th May 1934 | Box 128 \ 3 scan0150 | |
| Letter from Morse Chain Co. discussing the relative merits of 1/2 inch and 3/8 inch pitch chains. | 4th May 1934 | Box 128 \ 3 scan0151 | |
| Letter from Morse Chain Company discussing chain drive systems in various American car engines. | 5th Mar 1934 | Box 128 \ 3 scan0152 | |
| Letter from Morse Chain Co. regarding the accuracy of specifications in 'Automotive Industries' and the use of chains versus gears by US car manufacturers. | 3rd May 1934 | Box 128 \ 3 scan0153 | |
| Letter to The Morse Chain Co. Ltd. regarding violent flapping and noise issues with a camshaft chain drive on an experimental unit. | 27th Oct 1936 | Box 128 \ 3 scan0154 | |
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