| Description | Date | Identifier | |
| The mechanical efficiency of a La Salle steering box under static conditions. | 11th Jun 1934 | Box 22 \ 4 Scan019 | |
| Dimensions for an American straight-eight crankshaft, specifically a Pontiac model. | 8th Oct 1934 | Box 22 \ 4 Scan020 | |
| Cable received with the helix angle for Cadillac steering and comparing it to the LaSalle steering on the Spectre model. | 22th Nov 1934 | Box 22 \ 4 Scan021 | |
| List comparing the weights of different dynamo models. | 17th Apr 1935 | Box 22 \ 4 Scan022 | |
| Letter from Cadillac Motor Car Company discussing transmission gear design for silence. | 17th Apr 1935 | Box 22 \ 4 Scan023 | |
| From Cadillac Motor Car Company detailing the processing of LaSalle transmission gears. | 28th Sep 1932 | Box 22 \ 4 Scan024 | |
| The effectiveness of the 'Inco Lapping System' and experiments with a 'Michigan Tool Co's Gear Lapping Machine' for LaSalle gears. | 2nd Apr 1935 | Box 22 \ 4 Scan025 | |
| Letter from Cadillac Motor Car Company detailing their production methods for making transmission gears. | 2nd Apr 1935 | Box 22 \ 4 Scan026 | |
| Gear tooth lapping operations, interference, and contact, with a comparison to Cadillac and LaSalle transmissions. | 2nd Apr 1935 | Box 22 \ 4 Scan027 | |
| Exploded view diagram of a gearbox showing gear tooth contact specifications. | 21th May 1935 | Box 22 \ 4 Scan028 | |
| Official order for supercharger parts for a Graham-Paige vehicle. | 21th May 1935 | Box 22 \ 4 Scan029 | |
| Preliminary results of Joggle Tests on the 30-EX chassis. | 18th Nov 1935 | Box 22 \ 4 Scan030 | |
| Report comparing a 15 HP Lorraine-Dietrich car to the Goshawk 11, detailing its omissions and faults. | 23th Nov 1921 | Box 22 \ 4 Scan031 | |
| Recommending the purchase of a 20 HP Lorraine car for competitive analysis and comparison. | 13th Aug 1926 | Box 22 \ 4 Scan032 | |
| Ascertaining the price to obtain a 20 HP Lorraine car. | 16th Aug 1926 | Box 22 \ 4 Scan033 | |
| Recommendation to test a special 20 HP Lorraine car before purchase. | 1st Aug 1926 | Box 22 \ 4 Scan034 | |
| Potential purchase and trial of a 20 HP Lorraine car. | 23th Aug 1926 | Box 22 \ 4 Scan035 | |
| Arranging a trial run for a 20 HP Lorraine car. | 25th Aug 1926 | Box 22 \ 4 Scan036 | |
| Arrangement of a chassis trial for a 20-HP Lorraine car. | 31th Aug 1926 | Box 22 \ 4 Scan037 | |
| The potential purchase of a 20 HP 'Lorraine' Car and temporary importation logistics. | 2nd Sep 1926 | Box 22 \ 4 Scan038 | |
| From France about transporting parts back to Derby for tests and travel arrangements. | 5th Sep 1926 | Box 22 \ 4 Scan039 | |
| The decision on purchasing a 20 HP Lorraine car after testing. | 10th Sep 1926 | Box 22 \ 4 Scan040 | |
| Test report on the 6-cylinder Lorraine car that competed in the 24 Hours of Le Mans. | 10th Sep 1926 | Box 22 \ 4 Scan041 | |
| Road test report detailing the performance of a car's engine, clutch, brakes, steering, and suspension. | 10th Sep 1926 | Box 22 \ 4 Scan042 | |
| Summary report on a single-purpose car, critiquing its high-speed control and praising its engine. | 10th Sep 1926 | Box 22 \ 4 Scan043 | |
| The held-over purchase of a 20 HP Lorraine car. | 10th Sep 1926 | Box 22 \ 4 Scan044 | |
| Interest in a 20 Hp. Lorraine Car. | 14th Sep 1926 | Box 22 \ 4 Scan045 | |
| Trial of a 'LORRAINE' 20-HP car and requesting further instructions. | 9th Sep 1926 | Box 22 \ 4 Scan046 | |
| Pricing and specification for a 'Lorraine' chassis and 'Torpedo' seater. | 24th Sep 1926 | Box 22 \ 4 Scan047 | |
| Confidential memo detailing the specification and pricing for the 'Lorraine' chassis. | 24th Sep 1926 | Box 22 \ 4 Scan048 | |
| Letter from Société Lorraine providing a price quotation for their 15 CV Sport model chassis and car. | 21th Sep 1926 | Box 22 \ 4 Scan049 | |
| The second page of a formal letter written in French, ending with a salutation and a signature. | 21th Sep 1926 | Box 22 \ 4 Scan050 | |
| Specification sheet in French for the 15 RV 6-cylinder sports model chassis, '24-hour world road record' type. | 21th Sep 1926 | Box 22 \ 4 Scan051 | |
| Specification sheet in French detailing vehicle dimensions, steering, and accessories. | 27th Sep 1926 | Box 22 \ 4 Scan052 | |
| Quotation received from the Paris Depot for a Lorraine chassis and a 4-seater Torpedo. | 27th Sep 1926 | Box 22 \ 4 Scan053 | |
| Agreeing to obtain a Lorraine Dietrich car fitted with a body. | 30th Sep 1926 | Box 22 \ 4 Scan054 | |
| Telegram regarding the acquisition of a 'winning Lorraine' car versus a new car. | 7th Oct 1926 | Box 22 \ 4 Scan055 | |
| Telegram received by telephone concerning engine and new car delivery times after a show. | 7th Oct 1926 | Box 22 \ 4 Scan056 | |
| Purchase of a Sizaire car for research, front pivot design, and patenting a new suspension combination. | 8th Oct 1926 | Box 22 \ 4 Scan057 | |
| Outlining a planned visit to West Wittering to deliver a car and engine components. | 19th Oct 1926 | Box 22 \ 4 Scan058 | |
| Arrangements to collect a Lorraine Dietrich car in London and inspect another car at Barkers. | 20th Oct 1926 | Box 22 \ 4 Scan059 | |
| Confirming an order for experimental work and testing on a Lorraine car. | 25th Oct 1926 | Box 22 \ 4 Scan060 | |
| Querying the performance characteristics and faults of a Lorraine Deitrich car. | 27th Oct 1926 | Box 22 \ 4 Scan061 | |
| Comparison of various competitor chassis designs and steering mechanisms following a conference. | 27th Oct 1926 | Box 22 \ 4 Scan062 | |
| Faults and performance of a competitor's 20 HP Lorraine Deitritch vehicle. | 11th Feb 1926 | Box 22 \ 4 Scan063 | |
| Lorraine-Dietrich car and a suggestion for a Peto & Radford accumulator indicator. | 11th May 1926 | Box 22 \ 4 Scan064 | |
| Preliminary test report on the 20 HP Lorraine car, focusing on its power unit and performance characteristics. | 6th Nov 1926 | Box 22 \ 4 Scan065 | |
| Analysis of engine shaft period, power curve, and a comparative acceleration test between cars. | 6th Nov 1926 | Box 22 \ 4 Scan066 | |
| Performance comparison between a 20 HP RR and a Lorraine car, analysing M.E.P., acceleration, and engine characteristics. | 11th Sep 1926 | Box 22 \ 4 Scan067 | |
| Proposing a comparison by swapping the carburetter and induction systems between a Lorraine car and a 20 HP chassis. | 11th Sep 1926 | Box 22 \ 4 Scan068 | |
| From 'R' to 'Hs. E.' proposing to fit a Lorraine-style carburetter and induction system to the 40/50 lightweight engine. | 11th Nov 1926 | Box 22 \ 4 Scan069 | |
| Modifications to improve the speed and aerodynamics of the Sports Phantom model. | 11th Nov 1926 | Box 22 \ 4 Scan070 | |
| Competitor car design trends and features from Sunbeam, Lorraine, Lancia, and Panhard. | 15th Nov 1926 | Box 22 \ 4 Scan071 | |
| Distributing a blueprint sketch of a Lorraine car's combustion chamber. | 15th Nov 1926 | Box 22 \ 4 Scan072 | |
| Wire from Royce to Hives arranging permission for Mr. Minchin to drive the Lorraine. | 23th Nov 1926 | Box 22 \ 4 Scan073 | |
| Plan to return a Lorraine car to France for sale. | 18th Feb 1927 | Box 22 \ 4 Scan074 | |
| The re-exportation of a Lorraine car and the required documentation for the A.A. | 18th Feb 1927 | Box 22 \ 4 Scan075 | |
| Letter from The Automobile Association regarding an International Circulation Permit and Registration Card for a motor car. | 9th Feb 1927 | Box 22 \ 4 Scan076 | |
| Examination of the Lorraine Dietrich crankshaft, focusing on its synchronous speed and vibration characteristics. | 2nd Mar 1927 | Box 22 \ 4 Scan077 | |
| Experiments with the Goshawk engine's crankshaft, focusing on inertia, synchronous speed, and torsional vibrations. | 2nd Mar 1927 | Box 22 \ 4 Scan078 | |
| Graph comparing the crankshaft stiffness and torsional deflection of a 20 HP model against a Lorraine-Dietrich model. | 2nd Mar 1927 | Box 22 \ 4 Scan079 | |
| Blank document page with a purple ink date stamp in the bottom right corner. | 2nd Mar 1927 | Box 22 \ 4 Scan080 | |
| Blueprint of a piston, connecting rod, and gudgeon pin assembly for a Lorraine Dietrich engine. | 1st Mar 1927 | Box 22 \ 4 Scan081 | |
| Half-scale technical drawing of a Lorraine Dietrich crankshaft with various cross-sections and dimensions. | 1st Mar 1927 | Box 22 \ 4 Scan082 | |
| Lorraine Dietrich car, forwarding a previous communication to France and anticipating a duty payment. | 11th Mar 1927 | Box 22 \ 4 Scan083 | |
| Fitting a slipper wheel to a Lorraine Dietrich car to test torsional vibration damping. | 11th Mar 1927 | Box 22 \ 4 Scan084 | |
| Lorraine Dietrich car, a Triptyque customs document, the French Automobile Club and British Customs. | 28th Mar 1927 | Box 22 \ 4 Scan085 | |
| Reassembly and sale of a left-hand drive Lorraine Dietrich car. | 30th Mar 1927 | Box 22 \ 4 Scan086 | |
| The performance of a Lorraine-Dietrich engine on the test bench, with comparisons to the 20 HP and Goshawk engines. | 30th Mar 1927 | Box 22 \ 4 Scan087 | |
| Page 2 of a report detailing the specifications and performance characteristics of a six-cylinder engine. | 30th Mar 1927 | Box 22 \ 4 Scan088 | |
| Analysis of the Zenith triple diffuser carburettor induction system and its performance, including a plan view diagram. | 30th Mar 1927 | Box 22 \ 4 Scan089 | |
| Technical description of the engine's offset cylinder design and valve gear. | 30th Mar 1927 | Box 22 \ 4 Scan090 | |
| Comparison of engine performance characteristics, including valve lift and gas velocity, between different engine models. | 30th Mar 1927 | Box 22 \ 4 Scan091 | |
| Comparison of mechanical efficiency, friction losses, and ignition systems between Lorraine, Goshawk, and Phantom engines. | 30th Mar 1927 | Box 22 \ 4 Scan092 | |
| Engine testing, discussing ignition sensitivity, detonation, compression ratios, and combustion head design. | 30th Mar 1927 | Box 22 \ 4 Scan093 | |
| 20 HP engine power curves, comparing compression ratios and induction pipe depression with a Lorraine engine. | 30th Mar 1927 | Box 22 \ 4 Scan094 | |
| Engine performance analysis and summary of conclusions, comparing a Lorraine engine to a 20 HP model. | 30th Mar 1927 | Box 22 \ 4 Scan095 | |
| Report page discussing crankshaft performance, a comparison between Lorraine and 20 HP engines, and planned experiments. | 18th Mar 1927 | Box 22 \ 4 Scan096 | |
| Diagram comparing the exhaust valve lift of a Lorraine-Dietrich engine and a 20 HP R.R. engine. | 18th Mar 1927 | Box 22 \ 4 Scan097 | |
| Reverse side of a document showing a date stamp. | 31th Mar 1927 | Box 22 \ 4 Scan098 | |
| Blueprint diagram comparing the inlet valve lift of a Lorraine-Dietrich engine with a 20hp R.R. engine. | 18th Mar 1927 | Box 22 \ 4 Scan099 | |
| Graph of Mechanical Efficiency and Compression Pressure curves for a Lorraine-Dietrich engine, compared with a 20 HP R.R. engine. | 21th Mar 1927 | Box 22 \ 4 Scan100 | |
| Graph comparing the power per unit cubic capacity and petrol consumption of a Lorraine-Dietrich engine and a 20 HP engine. | 16th Mar 1927 | Box 22 \ 4 Scan101 | |
| Power curve graph for a Lorraine-Dietrich engine with comparative data for a 20 HP Rolls-Royce engine. | 23th Mar 1927 | Box 22 \ 4 Scan102 | |
| Graph comparing the induction pipe depression of a Lorraine-Dietrich engine against a 20 HP R.R. engine. | 21th Mar 1927 | Box 22 \ 4 Scan103 | |
| Graph comparing the necessary ignition advance curves for a Lorraine-Dietrich engine against a Lighter Phantom engine. | 17th Mar 1927 | Box 22 \ 4 Scan104 | |
| Graph of performance curves showing gas velocity past valves for a Lorraine-Dietrich engine. | 25th Mar 1927 | Box 22 \ 4 Scan105 | |
| Comparison graph of Indicated Horse Power and Indicated Mean Effective Pressure curves for Lorraine-Dietrich and 20 HP engines. | 25th Mar 1927 | Box 22 \ 4 Scan106 | |
| Graph of the inlet valve lift and piston displacement curve for a Lorraine-Dietrich engine. | 22th Mar 1927 | Box 22 \ 4 Scan107 | |
| Graph of the inlet valve lift and piston displacement curve for a 20 HP engine. | 28th Mar 1927 | Box 22 \ 4 Scan108 | |
| Graph plotting the power necessary to rotate a Lorraine-Dietrich engine against its RPM. | 29th Mar 1927 | Box 22 \ 4 Scan109 | |
| Valve spring rating chart for a Lorraine-Dietrich engine. | 29th Mar 1927 | Box 22 \ 4 Scan110 | |
| Specification comparison between the Lorraine-Dietrich engine and the standard 20 HP R.R. engine. | 30th Mar 1927 | Box 22 \ 4 Scan111 | |
| Extremely faded and almost completely illegible document with a purple date stamp in the bottom right corner. | 31th Mar 1927 | Box 22 \ 4 Scan112 | |
| Power development experiments on a 20 HP engine by analysing the Lorraine Dietrich engine. | 1st Apr 1927 | Box 22 \ 4 Scan113 | |
| Comparative bench tests between larger diameter valves and standard valves, using Zenith carburettors. | 1st Apr 1927 | Box 22 \ 4 Scan114 | |
| Increasing power output by lowering induction pipe depression, comparing different carburetter configurations. | 1st Apr 1927 | Box 22 \ 4 Scan115 | |
| Engine power increases achieved through the use of larger valves and different carburettor setups. | 1st Apr 1927 | Box 22 \ 4 Scan116 | |
| Engine performance improvements by modifying carburettors, valves, and compression ratios, with comparisons to a Lorraine engine. | 1st Apr 1927 | Box 22 \ 4 Scan117 | |
| Summary and conclusions from tests to increase the power of a 20 HP engine, referencing the Lorraine engine. | 1st Apr 1927 | Box 22 \ 4 Scan118 | |
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