| Description | Date | Identifier | |
| Making a pair of gears for Flt. Lieut. Staniland's Alfa-Romeo racing car, due to sanctions on Italy. | 15th Apr 1936 | Box 124 \ 5 scan0135 | |
| Manufacture of parts for Flt. Lieut. Staniland's Alfa Romeo Racing Car. | 30th Aug 1936 | Box 124 \ 5 scan0136 | |
| Letter from Fairey Aviation Co. Ltd. thanking the recipient for work on an Alta transmission. | 1st Sep 1936 | Box 124 \ 5 scan0137 | |
| Letter regarding car maintenance and an apology for missing an acquaintance at a race. | 3rd Sep 1936 | Box 124 \ 5 scan0138 | |
| The decision not to charge for work on Flt. Lieut. Staniland's Alfa Romeo. | 3rd Sep 1936 | Box 124 \ 5 scan0139 | |
| Article from 'The Autocar' magazine detailing the Royal Automobile Club's 1,000 Miles Road Trial of the 1914 Cadillac. | 25th Oct 1913 | Box 125 \ 1 scan0001 | |
| Suitability of a 32 PB chassis for Ebbw Vale Steel, Iron and Coal Co. Ltd., including gearing options and a comparison with a Cadillac. | 29th Aug 1919 | Box 125 \ 1 scan0002 | |
| Comparison of a six-cylinder engine's running and petrol consumption against a Cadillac eight-cylinder Vee. | 29th Aug 1919 | Box 125 \ 1 scan0003 | |
| Report comparing the performance of a Rolls-Royce and a Cadillac in various road trials. | 29th Aug 1919 | Box 125 \ 1 scan0004 | |
| Page from a vehicle comparison report detailing acceleration tests, an uphill test, and weight breakdown between two cars designated 'RR' and 'CA'. | 23th Jun 1920 | Box 125 \ 1 scan0005 | |
| Short memo regarding a delayed promise concerning a Cadillac. | 23th Jun 1920 | Box 125 \ 1 scan0006 | |
| Follow-up communication regarding the promised delivery of a Cadillac car. | 27th Jul 1920 | Box 125 \ 1 scan0007 | |
| Delay in the delivery of a Cadillac car from America. | 27th Jul 1920 | Box 125 \ 1 scan0008 | |
| Delayed Cadillac delivery, a Marmion car for travel to America, and the specifics of U.S. import duties for cars and chassis. | 6th Oct 1920 | Box 125 \ 1 scan0009 | |
| The shipping and upcoming delivery of a Cadillac. | 24th Nov 1920 | Box 125 \ 1 scan0010 | |
| Inter-office letter enclosing a booklet titled 'Cadillac Details of Construction' for review of carburation matters. | 7th Mar 1921 | Box 125 \ 1 scan0011 | |
| Customer's comparison between his Cadillac and a new Rolls-Royce, and planning a performance demonstration. | 13th Jul 1921 | Box 125 \ 1 scan0012 | |
| Performance of a twelve-cylinder engine in relation to a Mr. Dugdale. | 18th Jul 1921 | Box 125 \ 1 scan0013 | |
| Car modifications for a customer demonstration against a Cadillac. | 18th Jul 1921 | Box 125 \ 1 scan0014 | |
| Using alcohol in the radiator, a speed comparison with a Cadillac, and the inaccuracy of American speedometers. | 18th Jul 1921 | Box 125 \ 1 scan0015 | |
| New car for a Mr. Dugdale and a query about its performance against a Cadillac. | 21th Jul 1921 | Box 125 \ 1 scan0016 | |
| Air pressure relief valve, with an attached letter from Springfield. | 16th Aug 1921 | Box 125 \ 1 scan0017 | |
| Letter discussing the necessity of fitting an air pressure relief valve, citing examples from Cadillac and environmental factors. | 28th Jul 1921 | Box 125 \ 1 scan0018 | |
| Proposal to trial a Cadillac car to assess its redesigned steering. | 1st Jan 1926 | Box 125 \ 1 scan0019 | |
| Need for a relief valve in the pressure system for high-altitude operation, with references to Pikes Peak and Cadillac cars. | 11th Aug 1920 | Box 125 \ 1 scan0020 | |
| Correspondence regarding the difficulty in arranging a full-day test drive of a Cadillac car. | 14th Jan 1926 | Box 125 \ 1 scan0021 | |
| Brief memo regarding the arrangement of a run for a Cadillac car. | 15th Jan 1926 | Box 125 \ 1 scan0022 | |
| Arranging a trial on a Cadillac car and potentially fixing it. | 15th Jan 1926 | Box 125 \ 1 scan0023 | |
| Requesting information about a trial run conducted on a Cadillac car. | 23th Jan 1926 | Box 125 \ 1 scan0024 | |
| Short typed memorandum to arrange a date regarding a Cadillac Car. | 25th Jan 1926 | Box 125 \ 1 scan0025 | |
| Conditions required to arrange a trial run of a Cadillac car. | 28th Jan 1926 | Box 125 \ 1 scan0026 | |
| The road trial of a Cadillac car to investigate steering wobble issues. | 2nd Feb 1926 | Box 125 \ 1 scan0027 | |
| Road trial report on an 8-cylinder Cadillac car, focusing on steering performance with balloon tyres. | 1st Feb 1926 | Box 125 \ 1 scan0028 | |
| Test drive report discussing steering characteristics, suspension performance, and wobble experienced with balloon tyres. | 1st Feb 1926 | Box 125 \ 1 scan0029 | |
| Road test report noting issues with tyre pressure, wheel wobble, and the performance of the engine, clutch, and gearbox. | 1st Feb 1926 | Box 125 \ 1 scan0030 | |
| Vehicle test report page detailing performance of the brakes, axle, and suspension, including results from a Brockley Hill climb test. | 2nd Feb 1926 | Box 125 \ 1 scan0031 | |
| High-speed steering wobbles, particularly in relation to fitting front brakes on Phantom cars. | 2nd Feb 1926 | Box 125 \ 1 scan0032 | |
| Comparative test report between car models 18-EX and 73-OR, including performance data and a list of complaints for 18-EX. | 3rd Jun 1929 | Box 125 \ 1 scan0033 | |
| Test card from June 1929 listing faults found on chassis No. 18 Ex. | 28th Jun 1929 | Box 125 \ 1 scan0034 | |
| Evaluating competitor 8-cylinder vee engines and their performance characteristics compared to six and straight-eight engines. | 16th Oct 1929 | Box 125 \ 1 scan0035 | |
| Sales and summarizing complaints about the Cadillac 16. | 20th May 1930 | Box 125 \ 1 scan0036 | |
| Car's superior performance in acceleration, speed, and silence, and suggesting a test drive. | 20th May 1930 | Box 125 \ 1 scan0037 | |
| Cadillac's competitive performance and the need for Rolls Royce to deliver comparable power. | 8th May 1930 | Box 125 \ 1 scan0038 | |
| Test drive and comparison of the Cadillac 16's performance and handling. | 1st May 1930 | Box 125 \ 1 scan0039 | |
| Typed report comparing a vehicle's performance against a Cadillac, including handling on a dirt road and passenger feedback. | 20th May 1930 | Box 125 \ 1 scan0040 | |
| Comparative analysis of a vehicle against a Cadillac, focusing on performance, handling, and market perception. | 20th May 1930 | Box 125 \ 1 scan0041 | |
| The inspection, performance, and consumption tests of a Cadillac V-16. | 28th Apr 1930 | Box 125 \ 1 scan0042 | |
| Remarks from a test of a 16 Cylinder Cadillac Car. | 13th Jun 1930 | Box 125 \ 1 scan0043 | |
| Field report from a journey between Vienna and Warsaw, including details of a competitor's 16-cylinder Cadillac. | 13th Jun 1930 | Box 125 \ 1 scan0044 | |
| Vehicle performance review followed by a discussion concerning a potential sale to Romanian royalty. | 17th Jun 1930 | Box 125 \ 1 scan0045 | |
| Specifications and notes on the Cadillac V 16. | 17th Jun 1930 | Box 125 \ 1 scan0046 | |
| Engine specifications including bearing dimensions, timing, capacities, and electrical system details. | 17th Jun 1930 | Box 125 \ 1 scan0047 | |
| Specification sheet detailing components including the starter, transmission, axles, and brakes. | 17th Jun 1930 | Box 125 \ 1 scan0048 | |
| Specifications for internal expanding brake linings and braking distribution. | 18th Jul 1930 | Box 125 \ 1 scan0049 | |
| Test drive of a 16-cylinder Cadillac, with commentary on its engine, power, steering and gearbox compared to the Phantom II. | 18th Jul 1930 | Box 125 \ 1 scan0050 | |
| Report comparing a 16-cylinder Cadillac to the American and English Phantom I, detailing a visit to the Cadillac factory. | 1st Jul 1930 | Box 125 \ 1 scan0051 | |
| Visit to the Studebaker factory, detailing a test of their new free-wheel mechanism and observations on their extensive research and component testing methods. | 1st Jul 1930 | Box 125 \ 1 scan0052 | |
| Comparing a 16-cylinder Cadillac engine to in-house 12-cylinder designs, discussing engine performance and features. | 2nd Jul 1930 | Box 125 \ 1 scan0053 | |
| Letter from a distributor providing particulars on a 16-cylinder Cadillac following a demonstration. | 4th Oct 1930 | Box 125 \ 1 scan0054 | |
| Letter to Lendrum & Hartman Ltd confirming a car's weight and comparing its price unfavourably with a Maybach. | 7th Oct 1930 | Box 125 \ 1 scan0055 | |
| Letter from car distributor Lendrum & Hartman Ltd concerning a trial run on a 16-Cylinder Cadillac and proposing a reciprocal trial on a Phantom Two. | 8th Oct 1930 | Box 125 \ 1 scan0056 | |
| Letter discussing comparative tests of a sports model Cadillac against a Phantom II and a future trial of a Maybach. | 9th Oct 1930 | Box 125 \ 1 scan0057 | |
| Letter from car distributor Lendrum & Hartman Ltd to W. A. Robotham concerning Cadillac models and a potential trade-in of a Phantom II. | 10th Oct 1930 | Box 125 \ 1 scan0058 | |
| Comparing the performance figures of the Phantom I, Phantom II, and Cadillac V16 engines. | 14th Oct 1930 | Box 125 \ 1 scan0059 | |
| Letter regarding a 16-cylinder Cadillac coming from America, a potential test at Brooklands Track, and Sir Henry Royce's preference for a 12-cylinder arrangement. | 17th Oct 1930 | Box 125 \ 1 scan0060 | |
| Visit to the Cadillac factory, detailing their facilities and a review of their 12-cylinder car. | 5th Jan 1931 | Box 125 \ 1 scan0061 | |
| Observations on engine mounting, gear ratios, weight reduction, thermostats, and bearings. | 10th Apr 1931 | Box 125 \ 1 scan0062 | |
| Letter proposing a performance comparison between a Cadillac and one of their cars at Brooklands Track. | 10th Apr 1931 | Box 125 \ 1 scan0063 | |
| Letter from car distributor Lendrum & Hartman Ltd explaining the unavailability of a Cadillac model for demonstration. | 13th Apr 1931 | Box 125 \ 1 scan0064 | |
| Photograph of the latest Cadillac gearbox. | 20th Apr 1932 | Box 125 \ 1 scan0065 | |
| Page with diagrams and adjustment instructions for a 'Triple-silent, Syncro-mesh' transmission. | 20th Apr 1932 | Box 125 \ 1 scan0066 | |
| Transmission removal and disassembly instructions with an exploded view of the synchronizing mechanism and a speedometer pinion chart. | 25th Apr 1932 | Box 125 \ 1 scan0067 | |
| Clarifying the specifications of a Cadillac gearbox, noting it has two synchromesh speeds and a jaw clutch. | 25th Apr 1932 | Box 125 \ 1 scan0068 | |
| Correcting a description of the operation of helical gears. | 26th Apr 1932 | Box 125 \ 1 scan0069 | |
| Letter to General Motors requesting to purchase a spare connecting rod from a Cadillac car for inspection. | 29th Aug 1932 | Box 125 \ 1 scan0070 | |
| Letter from Vauxhall Motors forwarding a request for a Cadillac connecting rod to General Motors Ltd. | 31th Aug 1932 | Box 125 \ 1 scan0071 | |
| Request to obtain a sample Cadillac connecting rod to study its method for oil supply to the little end. | 6th Sep 1932 | Box 125 \ 1 scan0072 | |
| Detailed blueprint of a steering gear assembly for a Cadillac, including components, adjustments, and testing procedures. | 29th May 1931 | Box 125 \ 1 scan0073 | |
| Schematic of a steering wheel control and information assembly. | 3rd Sep 1931 | Box 125 \ 1 scan0074 | |
| Exploded view photograph of a Cadillac (Saginaw) steering gear assembly. | 3rd Sep 1931 | Box 125 \ 1 scan0075 | |
| Disassembled photograph of a Cadillac Saginaw steering gear assembly. | 3rd Sep 1931 | Box 125 \ 1 scan0076 | |
| Photograph showing the disassembled components of a Cadillac steering column with Saginaw steering controls. | 3rd Sep 1931 | Box 125 \ 1 scan0077 | |
| Photograph showing the components of a Cadillac steering column with Saginaw steering controls. | 23th May 1934 | Box 125 \ 1 scan0078 | |
| The arrival date of a Cadillac. | 23th May 1934 | Box 125 \ 1 scan0079 | |
| Delay in receiving a Cadillac 16 car for the Experimental Department. | 29th May 1934 | Box 125 \ 1 scan0080 | |
| Night letter cablegram to Cadillac Motorcar Co. regarding the delivery of a Cadillac and a Buick. | 11th Jun 1934 | Box 125 \ 1 scan0081 | |
| Cablegram regarding the shipping of a Cadillac and communication about a Buick. | 13th Jun 1934 | Box 125 \ 1 scan0082 | |
| Candid letter discussing improvements and criticizing the build quality of a car, 'the 16'. | 9th Jun 1934 | Box 125 \ 1 scan0083 | |
| Letter discussing engineering departmental issues, frustrations with workmanship standards, and challenges with suspension and coachwork. | 9th Jun 1934 | Box 125 \ 1 scan0084 | |
| Memo discussing frame stiffness issues in convertible cars. | 9th Jun 1934 | Box 125 \ 1 scan0085 | |
| Engineering memo discussing frame stiffness calculations, ride quality, and a critique of Dubonnet and Chevrolet suspension designs. | 9th Jun 1934 | Box 125 \ 1 scan0086 | |
| Technical problems with a Dubonnet device, including frame tuning and low-speed wobble, and expressing concern about being made a scapegoat. | 9th Jun 1934 | Box 125 \ 1 scan0087 | |
| Lateral strength, suspension durability on various cars, and plans to mount wishbone pins on rubber. | 15th Jun 1934 | Box 125 \ 1 scan0088 | |
| Tests of Cadillac type automatic tappets for the Phantom II, analysing valve bounce and spring performance at high speeds. | 15th Jun 1934 | Box 125 \ 1 scan0089 | |
| Report comparing camshaft performance and the effect of different valve springs. | 15th Jun 1934 | Box 125 \ 1 scan0090 | |
| Test report on camshaft and valve spring performance at different engine speeds and loadings. | 15th Jun 1934 | Box 125 \ 1 scan0091 | |
| Effect of an open inlet valve and a proposed test to stiffen the valve mechanism with steel push rods. | 15th Jun 1934 | Box 125 \ 1 scan0092 | |
| Graph showing the opening and closing valve lift curves for a No. 6 exhaust valve with Cadillac type tappets. | 14th Jun 1919 | Box 125 \ 1 scan0093 | |
| Graph comparing power output (BHP) and Mean Effective Pressure (MEP) against RPM for a Phantom II engine with different camshaft and rocker setups. | 14th Jun 1934 | Box 125 \ 1 scan0094 | |
| Letter to Cadillac Motor Car Co. regarding engineering time and an invitation to visit the Experimental Department. | 21th Jun 1934 | Box 125 \ 1 scan0095 | |
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