| Description | Date | Identifier | |
| Itemised expense claim sheet from September 1932. | 19th Sep 1932 | Box 23 \ 1 Scan401 | |
| Expense report detailing costs for travel, accommodation, and meals for visits to W.W. and Brooklands. | 20th Sep 1932 | Box 23 \ 1 Scan402 | |
| Expense report from October 1932. | 24th Oct 1932 | Box 23 \ 1 Scan403 | |
| Message requesting 5000 francs for travel expenses to Chateauroux. | 27th Oct 1932 | Box 23 \ 1 Scan404 | |
| Telegram confirming the sending of five thousand francs to Hancock via express. | 3rd Nov 1932 | Box 23 \ 1 Scan405 | |
| Confirming the dispatch of 5000 French Francs. | 2nd Feb 1932 | Box 23 \ 1 Scan406 | |
| Acknowledgement of receipt for 5000 Francs with an attached I.O.U. | 4th Nov 1932 | Box 23 \ 1 Scan407 | |
| Request to the cashier for a cash advance for travel expenses to France. | 4th Nov 1932 | Box 23 \ 1 Scan408 | |
| Expense claim form for a telephone call and lunch. | 12th Nov 1932 | Box 23 \ 1 Scan409 | |
| Expense report for a visit to France, with costs in both Sterling and Francs. | 23th Nov 1932 | Box 23 \ 1 Scan410 | |
| Brief financial note detailing cash in hand and a credit amount. | 23th Nov 1932 | Box 23 \ 1 Scan411 | |
| Request to advance £3 to T.A. Gibson for expenses at Brooklands. | 25th Nov 1932 | Box 23 \ 1 Scan412 | |
| Expense claim form for two visits to London in November 1932. | 26th Nov 1932 | Box 23 \ 1 Scan413 | |
| Outlining travel and expense arrangements for Mr. Lovesey's visit to America concerning the 'Bluebird' car. | 5th Dec 1932 | Box 23 \ 1 Scan414 | |
| Expense report for meals and petrol during a trip to North Devon & North Wales. | 6th Dec 1932 | Box 23 \ 1 Scan415 | |
| Payment authorization for £5 to T.A. Gibson for expenses at Brooklands. | 15th Dec 1932 | Box 23 \ 1 Scan416 | |
| Request for a cash advance of £20 for expenses related to taking car 19-EX to France. | 6th Jan 1933 | Box 23 \ 1 Scan417 | |
| Expense claim form detailing costs for a business lunch and a B.A.R.C. subscription. | 13th Jan 1933 | Box 23 \ 1 Scan418 | |
| Request for a £30 advance for A.W. Poyser's travel expenses to the U.S.A. | 17th Jan 1933 | Box 23 \ 1 Scan419 | |
| Itemised expense report for visits, meals, and travel costs from December 1932 to January 1933. | 18th Jan 1933 | Box 23 \ 1 Scan420 | |
| Expense claim for a visit to West Wittering. | 21th Jan 1933 | Box 23 \ 1 Scan421 | |
| Request for a £20 cash advance for travel expenses to France with Peregrine III. | 25th Jan 1933 | Box 23 \ 1 Scan422 | |
| Authorising a £3 check advance to T.A. Gibson for expenses at Martlesham. | 4th Feb 1933 | Box 23 \ 1 Scan423 | |
| Request for a cash advance of three pounds for Mr. Platford's expenses to Gloster Aircraft Co. Ltd. | 4th Feb 1933 | Box 23 \ 1 Scan424 | |
| Expense claim for meals at Brooklands. | 7th Feb 1933 | Box 23 \ 1 Scan425 | |
| Request to the cashier for an advance on travel expenses to France. | 9th Feb 1933 | Box 23 \ 1 Scan426 | |
| Query regarding an employee's car expense claim and whether he should be added to the official list of authorised users. | 9th Feb 1933 | Box 23 \ 1 Scan427 | |
| Expenses for Mr. Hall who used his own car for a job after a loan car was unavailable. | 14th Feb 1933 | Box 23 \ 1 Scan428 | |
| Request for a cash advance of £50 for expenses related to a 10,000-mile car test in France. | 10th Feb 1933 | Box 23 \ 1 Scan429 | |
| Short internal memorandum requesting approval for attached expenses. | 14th Feb 1933 | Box 23 \ 1 Scan430 | |
| Expense report for a 10,000-mile Bensport trip for two people. | 22th Feb 1933 | Box 23 \ 1 Scan431 | |
| Itemised expense sheet from a trip through France and Italy. | 22th Feb 1933 | Box 23 \ 1 Scan432 | |
| Expense report page detailing costs for Monday 20th and providing currency totals. | 22th Feb 1933 | Box 23 \ 1 Scan433 | |
| Expense report for travel to and within the U.S.A., detailing costs in both pounds and dollars. | 14th Mar 1933 | Box 23 \ 1 Scan434 | |
| Itemized expense report for travel and transport in the USA. | 14th Mar 1933 | Box 23 \ 1 Scan435 | |
| Expense report for travel to the U.S.A., including a boat journey on the Aquitania. | 14th Mar 1933 | Box 23 \ 1 Scan436 | |
| Requesting a £5 expense advance for A.B. Roberts for travel to France. | 14th Mar 1933 | Box 23 \ 1 Scan437 | |
| Request for a cash advance of £5 for Mr. G.W. Hancock's expenses to France. | 17th Mar 1933 | Box 23 \ 1 Scan438 | |
| Expense claim for travel to West Wittering and Brooklands. | 23th Mar 1933 | Box 23 \ 1 Scan439 | |
| Expense claim for lunches and teas at Brooklands on June 1st. | 3rd Jun 1933 | Box 23 \ 1 Scan440 | |
| Superior silence and ease of use of a competitor's (Napier) gearbox, suggesting investigation. | 24th Aug 1909 | Box 23 \ 2 Scan001 | |
| Gearbox noise, gear finishing processes using Brown & Sharpe cutters, and a comparison with Napier gearboxes. | 8th Sep 1909 | Box 23 \ 2 Scan002 | |
| Performance of special cutters from the No. 1100 box for making gears. | 8th Sep 1909 | Box 23 \ 2 Scan003 | |
| Request for impressions of a Napier car following a drive from London to Derby. | 29th May 1912 | Box 23 \ 2 Scan004 | |
| The driving impressions of a Napier car compared to an early company model. | 30th May 1912 | Box 23 \ 2 Scan005 | |
| Typed report assessing the performance of a vehicle's engine, gears, and clutch. | 16th Apr 1918 | Box 23 \ 2 Scan006 | |
| Engine performance issues including stalling, noisy tappets, weak acceleration, and crankshaft vibrations. | 16th Apr 1912 | Box 23 \ 2 Scan007 | |
| Engine performance issues including clatter, poor starting, and piston knocks. | 16th Apr 1919 | Box 23 \ 2 Scan008 | |
| Test report on a vehicle's steering, springing, cooling and exhaust systems. | 16th Apr 1912 | Box 23 \ 2 Scan009 | |
| From F.H. Royce to Claude Johnson comparing the brakes and axles of Napier and Lanchester cars. | 12th Jun 1912 | Box 23 \ 2 Scan010 | |
| Departmental memo requesting a report on Napier brakes, following a memorandum from Mr Royce. | 14th Jun 1912 | Box 23 \ 2 Scan011 | |
| Requesting the Drawing Office to investigate a Napier engine's performance fitted with a Polyrhoe or a Rolls-Royce carburettor. | 20th Jun 1912 | Box 23 \ 2 Scan012 | |
| Request to fit either a Polyrhoe or standard carburetter to a Napier Chassis engine. | 21th Jun 1912 | Box 23 \ 2 Scan013 | |
| Experimental department report on a test of a Napier Plate clutch for jingling plates. | 31th Aug 1912 | Box 23 \ 2 Scan014 | |
| Comparison of flywheel and clutch plate weights and specifications between R.R. and Napier models. | 10th Oct 1912 | Box 23 \ 2 Scan015 | |
| Instructions to Mr Thornton regarding a rear wheel sent for repair requiring a rim to be refixed. | 10th Oct 1912 | Box 23 \ 2 Scan016 | |
| Experiment No. 434, detailing the results of an obstacle track test on a competitor's Napier car. | 7th May 1913 | Box 23 \ 2 Scan017 | |
| The condition of shock absorbers and steering components, noting a slack cap on the steering tube. | 7th May 1913 | Box 23 \ 2 Scan018 | |
| Attaching the final report on the re-test of Napier Pivots on track X.434. | 7th May 1913 | Box 23 \ 2 Scan019 | |
| Use of Bosch magnetos versus Watford magnetos. | 17th May 1920 | Box 23 \ 2 Scan020 | |
| Providing impressions from test drives of competitor cars at the Olympia Show. | 11th Nov 1920 | Box 23 \ 2 Scan021 | |
| Continued vehicle performance report comparing a Lanchester car to others. | 11th Nov 1920 | Box 23 \ 2 Scan022 | |
| Comparative demonstration run for Mr. Glicksten Junr. between an Open Touring car and a competing Napier. | 30th Apr 1921 | Box 23 \ 2 Scan023 | |
| Competitor reliability and arranging a test run of a Napier car. | 19th Nov 1919 | Box 23 \ 2 Scan024 | |
| Letter from O.D. Cars Ltd. proposing the use of their patented inventions on a new model small car. | 21th Nov 1921 | Box 23 \ 2 Scan025 | |
| Page 2 of a letter from O. D. Cars Limited outlining a design philosophy for a durable, low-maintenance car and detailing the successful testing of a prototype chassis. | 21th Nov 1921 | Box 23 \ 2 Scan026 | |
| Description of the lubrication systems for the spring, rear axle, front axle, power unit, safety switch, and clutch. | 21th Nov 1921 | Box 23 \ 2 Scan027 | |
| The design of the brake system to compensate for torsional spring differences. | 2nd Dec 1921 | Box 23 \ 2 Scan028 | |
| Letter from O.D. CARS LTD. following up on a previous letter due to uncertainty with the mail service in Ireland. | 2nd Dec 1921 | Box 23 \ 2 Scan029 | |
| Letter to O.D. Cars Ltd. in Belfast acknowledging receipt of their correspondence. | 7th Dec 1921 | Box 23 \ 2 Scan030 | |
| Follow-up letter from O.D. Cars Ltd. regarding a previous communication and a potential visit by a shareholder. | 9th Jan 1922 | Box 23 \ 2 Scan031 | |
| Letter from G. Heyn & Sons, Ltd. concerning a postponed visit to England to demonstrate an 'O.D.' Car. | 25th Jan 1922 | Box 23 \ 2 Scan032 | |
| Letter to 'Head' Line & 'Lord' Line declining a list of patents and an offer to examine a car. | 2nd Feb 1922 | Box 23 \ 2 Scan033 | |
| Chassis that arrived from New York, detailing the fitted Westinghouse starting motor and dynamo. | 10th Jan 1914 | Box 23 \ 2 Scan034 | |
| Forwarding a letter from the Sales Department about a self-starter fitted on chassis 2432 for Vanderbilt. | 10th Jan 1914 | Box 23 \ 2 Scan035 | |
| Request for opinions on a Westinghouse self-starter that has been fitted to a car. | 15th Jan 1914 | Box 23 \ 2 Scan036 | |
| Investigation and test of a Westinghouse Engine Starter on car 2432 Vanderbilt. | 27th Jan 1914 | Box 23 \ 2 Scan037 | |
| Acknowledging receipt of photographs of a Westinghouse Engine Starter and confirming they are being sent to Mr. Royce. | 3rd Feb 1914 | Box 23 \ 2 Scan038 | |
| Letter detailing customer feedback on a Westinghouse Engine Starter fitted to chassis 2432. | 4th Feb 1914 | Box 23 \ 2 Scan039 | |
| Customer feedback on a Westinghouse Engine Starter. | 23th Feb 1914 | Box 23 \ 2 Scan040 | |
| The performance of a Westinghouse engine starter fitted to chassis 2432 (Vanderbilt). | 24th Feb 1914 | Box 23 \ 2 Scan041 | |
| Rejecting the Lucas Self-Starter design as unsuitable and crude. | 24th Feb 1914 | Box 23 \ 2 Scan042 | |
| Request for the catalogue and description of the Westinghouse Self-Starter for Mr Royce. | 2nd Mar 1914 | Box 23 \ 2 Scan043 | |
| Internal memorandum requesting a catalogue for a Westinghouse Self Starter for Mr. Royce, with subsequent updates on the request's status. | 18th Mar 1914 | Box 23 \ 2 Scan044 | |
| Acquisition of a catalogue for a Westinghouse Self-Starter. | 17th Apr 1914 | Box 23 \ 2 Scan045 | |
| Comparing the performance of Bosch, Bijur, and Westinghouse starter motors and generators. | 27th Apr 1920 | Box 23 \ 2 Scan046 | |
| Comparative analysis of Bijur and Westinghouse starter motors for engine use. | 27th Apr 1920 | Box 23 \ 2 Scan047 | |
| Performance comparison of Bijur and Westinghouse starter motors, including torque, speed, and current consumption. | 27th Apr 1920 | Box 23 \ 2 Scan048 | |
| Comparison of Bosch, Bijur, and Westinghouse starter motor and generator construction and performance. | 27th Apr 1920 | Box 23 \ 2 Scan049 | |
| Comparison of Lucas, Bosch, and Bijur motor and generator systems for suitability in cars. | 27th Apr 1920 | Box 23 \ 2 Scan050 | |
| Continued memo discussing points about motors, comparing the Bijur and Westinghouse models. | 27th Apr 1920 | Box 23 \ 2 Scan051 | |
| Criticising the performance curves of dynamos and motors and discussing the motor's reduction gear. | 18th May 1920 | Box 23 \ 2 Scan052 | |
| Comparative tests of starter motors, recommending the Bijur model and advising on cold weather starting procedures. | 29th May 1920 | Box 23 \ 2 Scan053 | |
| Aero engine starting motors, comparing Bijur and Bosch models and emphasizing reliability. | 29th May 1930 | Box 23 \ 2 Scan054 | |
| Confirming receipt of Westinghouse and Bijur parts from America for inspection and testing. | 10th Sep 1920 | Box 23 \ 2 Scan055 | |
| Preliminary report on a Westinghouse Starter Motor. | 28th Sep 1920 | Box 23 \ 2 Scan056 | |
| Inspection report detailing the condition of an armature, including its windings, brushes, and segments. | 28th Sep 1920 | Box 23 \ 2 Scan057 | |
| Instruction sheet detailing the composition of bearings and the total weight of a machine. | 28th Sep 1920 | Box 23 \ 2 Scan058 | |
| Technical critique of a Westinghouse motor, noting issues with its construction and components. | 29th Sep 1920 | Box 23 \ 2 Scan059 | |
| Technical description of a motor's construction, components, and weight. | 29th Sep 1920 | Box 23 \ 2 Scan060 | |
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