| Description | Date | Identifier | |
| The status of work on a Delaunay Belleville car, a Lanchester chassis, and a Napier chassis. | 17th Apr 1912 | Box 22 \ 3 Scan041 | |
| Availability and build timeline of a Lanchester chassis. | 30th Apr 1919 | Box 22 \ 3 Scan042 | |
| To Mr Nadin inquiring about the completion of work on the Lanchester chassis and a Mercedes. | 9th May 1912 | Box 22 \ 3 Scan043 | |
| Departmental memo authorizing the delivery of a Lanchester chassis to Barkers on Olaf St. | 13th May 1912 | Box 22 \ 3 Scan044 | |
| Follow-up request for a reply regarding the Lanchester chassis. | 14th May 1912 | Box 22 \ 3 Scan045 | |
| Departmental memo regarding the status of work on Lanchester and Mercedes chassis. | 9th May 1912 | Box 22 \ 3 Scan046 | |
| The collection of a Lanchester chassis and fitting of a two-seater body. | 27th Jul 1912 | Box 22 \ 3 Scan047 | |
| Instruction to dispatch a complete 'L' type Gear Box to Mr Royce, per Mr Popes' instructions. | 31th Jul 1912 | Box 22 \ 3 Scan048 | |
| Instruction note to an employee named Ross about obtaining a report for X440 and a car. | 15th Jun 1912 | Box 22 \ 3 Scan049 | |
| Internal note about a completion deadline with various annotations. | 24th Jul 1912 | Box 22 \ 3 Scan050 | |
| The despatch of a Lanchester gearbox to Mr Royce. | 1st Aug 1912 | Box 22 \ 3 Scan051 | |
| Letter to Mr Bailey regarding the dispatch and particulars of a Lanchester Epicyclic Gear. | 1st Aug 1912 | Box 22 \ 3 Scan052 | |
| Sales department's desire to promptly sell cars. | 3rd Jul 1919 | Box 22 \ 3 Scan053 | |
| To Mr Platford regarding a damaged Lanchester gearbox and a delay in its return. | 7th Aug 1912 | Box 22 \ 3 Scan054 | |
| Lanchester Gear Box that was damaged in transit due to bad packing. | 14th Aug 1912 | Box 22 \ 3 Scan055 | |
| Departmental memo regarding a Lanchester gearbox that arrived damaged and the subsequent claim for repairs. | 15th Aug 1912 | Box 22 \ 3 Scan056 | |
| Lanchester Gear Box damaged during transit by the Railway Co. | 25th Sep 1912 | Box 22 \ 3 Scan057 | |
| Departmental memo regarding a Lanchester Gear Box damaged in transit. | 27th Sep 1912 | Box 22 \ 3 Scan058 | |
| Damaged Lanchester Gear Box and the viability of a claim against the Railway Company. | 9th Oct 1912 | Box 22 \ 3 Scan059 | |
| Requesting an order number in relation to a Lanchester Gear Box. | 24th Oct 1912 | Box 22 \ 3 Scan060 | |
| Confidential memo regarding the potential sale of competitor cars, Daimler, Wolseley, and Lanchester. | 14th Jul 1914 | Box 22 \ 3 Scan061 | |
| Sale of a Daimler and Wolseley, and the retention or transfer of a Lanchester. | 17th Jul 1914 | Box 22 \ 3 Scan062 | |
| Lanchester car for Mr. Barrington, detailing the difficulty of fitting a body to its unusual chassis. | 21th Jul 1914 | Box 22 \ 3 Scan063 | |
| Instructions regarding fitting seats and a windscreen to a Lanchester vehicle for demonstration purposes. | 23th Jul 1914 | Box 22 \ 3 Scan064 | |
| Memo regarding test conditions for a Lanchester vehicle and associated travel arrangements. | 29th Jul 1914 | Box 22 \ 3 Scan065 | |
| Requesting modifications and the dispatch of a Lanchester X. 440 car for Mr Barrington. | 24th Jul 1914 | Box 22 \ 3 Scan066 | |
| Telegram from Barrington inquiring about the readiness of a Lanchester car. | 28th Jul 1914 | Box 22 \ 3 Scan067 | |
| Order for greasing the chassis and charging batteries for the Lanchester Experimental car. | 17th Nov 1914 | Box 22 \ 3 Scan068 | |
| Letter regarding a delay in the readiness of a Lanchester car, providing a new address and requesting tools. | 28th Jul 1914 | Box 22 \ 3 Scan069 | |
| Typed memo concerning confirmation of work done for Lanchester and how to proceed with an official order. | 8th Jan 1915 | Box 22 \ 3 Scan070 | |
| Evaluating a Lanchester Chassis and its gearbox for potential use. | 22th May 1917 | Box 22 \ 3 Scan071 | |
| Cover note asking about an attached letter from a company named Barkers. | 21th Feb 1922 | Box 22 \ 3 Scan072 | |
| Letter from coachbuilders Barker & Co. Ltd. to W. Cowen regarding a new Lanchester Chassis. | 20th Feb 1922 | Box 22 \ 3 Scan073 | |
| Test drive report on a 20 HP Lanchester Open Touring car, comparing its performance to a Rolls-Royce 20 HP model. | 21th Sep 1925 | Box 22 \ 3 Scan074 | |
| Requesting to arrange a test drive of an 18 HP Lanchester car. | 9th Oct 1931 | Box 22 \ 3 Scan075 | |
| Arrangements to acquire and test several cars, including a Lanchester and a Fiat. | 11th Jan 1932 | Box 22 \ 3 Scan076 | |
| Secret internal memo authorizing the immediate purchase of a Lanchester Car. | 12th Feb 1932 | Box 22 \ 3 Scan077 | |
| The purchase of a Lanchester car and arranging for it to be driven to Derby. | 18th Aug 1932 | Box 22 \ 3 Scan078 | |
| Confirming arrangements for a driver to collect a new Lanchester car and drive it to Derby. | 20th Feb 1932 | Box 22 \ 3 Scan079 | |
| Arrangements for the collection of a Lanchester car from Lillie Hall and return to Derby. | 20th Feb 1932 | Box 22 \ 3 Scan080 | |
| Test drive report and critique of an 18 HP Lanchester. | 22th Feb 1932 | Box 22 \ 3 Scan081 | |
| Secret memo from 'Sg' to 'Hs' detailing trial results of an 18 HP Lanchester and comparing it to the 'Peregrine' project. | 22th Feb 1932 | Box 22 \ 3 Scan082 | |
| With conflicting opinions on whether to keep a Lanchester car. | 24th Feb 1932 | Box 22 \ 3 Scan083 | |
| Preliminary test report on the 18HP Lanchester car, detailing performance and vibration issues. | 25th Feb 1932 | Box 22 \ 3 Scan084 | |
| Technical report detailing various mechanical, gear, and component noises on a vehicle. | 14th Feb 1932 | Box 22 \ 3 Scan085 | |
| The performance of the springing, steering, brakes, and cooling system. | 28th Feb 1932 | Box 22 \ 3 Scan086 | |
| Test report on an automatic gear change and fluid flywheel system, noting temperature, ease of use, and performance under stress. | 25th Feb 1932 | Box 22 \ 3 Scan087 | |
| Gearbox, clutch, and exhaust system performance during testing. | 25th Feb 1932 | Box 22 \ 3 Scan088 | |
| General impressions and initial examination of a car, comparing its features to the Peregrine model. | 25th Feb 1932 | Box 22 \ 3 Scan089 | |
| Performance test comparison between a 12HP Lanchester and a 17.G.IV car. | 25th Feb 1932 | Box 22 \ 3 Scan090 | |
| Acceleration performance graph for a Lanchester 18 HP car, plotting road speed against time. | 25th Feb 1931 | Box 22 \ 3 Scan091 | |
| Bearing a Print Room stamp from Derby. | 26th Feb 1982 | Box 22 \ 3 Scan092 | |
| Graph plotting road speed against time for acceleration tests in 3rd and Top gear. | 26th Feb 1932 | Box 22 \ 3 Scan093 | |
| Heavily faded document, possibly the reverse of a page, with a purple ink date stamp. | 26th Feb 1932 | Box 22 \ 3 Scan094 | |
| Performance and features of an 18 HP Lanchester car after testing. | 26th Feb 1932 | Box 22 \ 3 Scan095 | |
| Requesting the instruction book for an 18HP Lanchester car. | 29th Feb 1932 | Box 22 \ 3 Scan096 | |
| Performance of an 18 HP Lanchester, comparing it to a demonstration model and commenting on the fluid flywheel. | 29th Feb 1932 | Box 22 \ 3 Scan097 | |
| Covering note sent with the instruction book for an 18 HP Lanchester Car. | 3rd Mar 1932 | Box 22 \ 3 Scan098 | |
| Steering joggle issues on Phantom II cars and proposing a test fitment of flexible spring shackles. | 3rd Mar 1932 | Box 22 \ 3 Scan099 | |
| Trial of a flexible spring shackle (Shimmy Shackle) on a Phantom II Continental model to test steering improvements. | 2nd Mar 1932 | Box 22 \ 3 Scan100 | |
| Test report on an 18 HP Lanchester car, focusing on its fluid flywheel, power curve, and rear axle performance. | 5th Mar 1932 | Box 22 \ 3 Scan101 | |
| Graph showing the power at road wheels for an 18 HP Lanchester Car against road speed. | 1st Mar 1932 | Box 22 \ 3 Scan102 | |
| Blank page with a Print Room stamp in the bottom right corner. | 5th Mar 1932 | Box 22 \ 3 Scan103 | |
| Graph showing fluid flywheel slip at full throttle for an 18 HP Lanchester car. | 7th Mar 1932 | Box 22 \ 3 Scan104 | |
| Blank page with a Print Room stamp in the bottom right corner. | 5th Mar 1932 | Box 22 \ 3 Scan105 | |
| Notification about sending a Licence Disc for a Lanchester Car. | 5th Apr 1932 | Box 22 \ 3 Scan106 | |
| Mechanical issues with a loaned Lanchester car, including valve and spring problems. | 5th Apr 1932 | Box 22 \ 3 Scan107 | |
| Internal order request for valves and valve springs for a Lanchester 15/18 car. | 28th Apr 1932 | Box 22 \ 3 Scan108 | |
| Letter from The Lanchester Motor Co. regarding broken valve springs and a push rod modification for a 15/18HP car. | 27th May 1932 | Box 22 \ 3 Scan109 | |
| Blueprint showing a valve rocker and shaft spring arrangement. | 26th Apr 1932 | Box 22 \ 3 Scan110 | |
| Blank, folded sheet of paper with a date stamp. | 27th May 1917 | Box 22 \ 3 Scan111 | |
| Letter and tool for a 15/18 HP Lanchester Car No. 10237. | 9th Jun 1932 | Box 22 \ 3 Scan112 | |
| Request to remove a Lanchester car engine and dismantle its fluid flywheel for test bed analysis. | 4th Jun 1932 | Box 22 \ 3 Scan113 | |
| Letter from Lanchester Motor Co. to a customer regarding a special tool for a 15/18HP car. | 7th Jun 1932 | Box 22 \ 3 Scan114 | |
| Packing note detailing the dispatch of a valve spring compressor for a 15/18 HP car. | 8th Jun 1932 | Box 22 \ 3 Scan115 | |
| Requesting torque and pressure tests on a Lanchester gearbox cone clutch. | 12th Jul 1932 | Box 22 \ 3 Scan116 | |
| Request to further dismantle a Lanchester gearbox to collect data on brake load and friction coefficient. | 7th Jul 1932 | Box 22 \ 3 Scan117 | |
| 18 HP Lanchester Car, No. 10237, regarding a letter and valve springs. | 22th Sep 1932 | Box 22 \ 3 Scan118 | |
| Letter to a customer regarding the replacement of unsatisfactory valve springs for an 18HP Lanchester Car. | 15th Sep 1932 | Box 22 \ 3 Scan119 | |
| Brief memo inquiring about the completion status of the Lanchester Car. | 31th Jan 1933 | Box 22 \ 3 Scan120 | |
| Acknowledgement of receipt for a parcel of valve springs regarding an 18-HP Lanchester Car No.10237. | 23th Sep 1932 | Box 22 \ 3 Scan121 | |
| Retention of a Lanchester car to study its Wilson epicyclic gearbox. | 6th Feb 1933 | Box 22 \ 3 Scan122 | |
| Letter discussing a performance curve for a 1927 La Salle Sedan compared to the Phantom and 20 HP models. | 20th Dec 1927 | Box 22 \ 4 Scan001 | |
| Short memo requesting particulars for the purchase of a La Salle car, under the subject of private flying and small aero engines. | 3rd Jul 1929 | Box 22 \ 4 Scan002 | |
| Purchase of a La Salle car to inspect its engine and transmission components. | 1st Jul 1929 | Box 22 \ 4 Scan003 | |
| Obtaining a LaSalle car with a synchro mesh gearbox for a test drive in London. | 1st Jul 1929 | Box 22 \ 4 Scan004 | |
| Arranging a trial for a green La Salle saloon car available through Messrs. Barker. | 12th Jul 1929 | Box 22 \ 4 Scan005 | |
| Arranging a trial run for the La Salle car. | 13th Jul 1929 | Box 22 \ 4 Scan006 | |
| Rescheduling the trial of a La Salle car due to a conflicting Air Ministry meeting. | 17th Jul 1929 | Box 22 \ 4 Scan007 | |
| Test report on a La Salle car's performance, handling, and engine characteristics. | 22th Jul 1928 | Box 22 \ 4 Scan008 | |
| Comparative analysis and road test report on La Salle, Cadillac, and Lincoln vehicles. | 22th Jul 1932 | Box 22 \ 4 Scan009 | |
| Evaluation of a La Salle synchro-mesh gearbox, comparing its performance to Graham Paige and Mathis models. | 22th Jul 1932 | Box 22 \ 4 Scan010 | |
| Horsepower diagram from tests on a 1927 La Salle Sedan, detailing engine performance and power requirements under various conditions. | 22th Jul 1928 | Box 22 \ 4 Scan011 | |
| Requesting a trial of Cadillac and Lincoln chassis following a report on the La Salle. | 22th Jul 1929 | Box 22 \ 4 Scan012 | |
| Purchase of a La Salle car to test its synchro-mesh gearbox, with comparisons to Cadillac, Lincoln and Graham-Paige. | 23th Jul 1929 | Box 22 \ 4 Scan013 | |
| La Salle car's engine and the development of a new engine for naval and aviation applications. | 26th Jul 1929 | Box 22 \ 4 Scan014 | |
| Potential purchase of a Graham-Paige car in place of a La Salle. | 29th Jul 1929 | Box 22 \ 4 Scan015 | |
| Requesting a reply regarding the purchase of a replacement for the La Salle car and an inquiry about the Graham-Paige. | 16th Aug 1929 | Box 22 \ 4 Scan016 | |
| Arranging a viewing of a new La Salle and a trial run of a new Daimler. | 3rd May 1934 | Box 22 \ 4 Scan017 | |
| Steering performance with controllable dampers and comparing a La Salle steering box to a worm and nut system. | 11th Jun 1934 | Box 22 \ 4 Scan018 | |
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