| Description | Date | Identifier | |
| Newspaper clipping detailing new automobile racing records set at Brooklands. | 14th Nov 1911 | Box 29 \ 3 Scan006 | |
| Speed records set by Mr. R. S. Mitchell at Brooklands in a 16/20 HP Straker-Squire car. | 14th Nov 1911 | Box 29 \ 3 Scan007 | |
| Record card detailing a speed trial at the Brooklands Motor Course. | 14th Nov 1911 | Box 29 \ 3 Scan008 | |
| Note on the world's 24-hour motoring record of 1,581 miles, held by Edge. | 23th Sep 1909 | Box 29 \ 3 Scan009 | |
| Speed test notes for a Napier 16.9 HP car at the Brooklands R.A.C. test. | 16th Sep 1909 | Box 29 \ 3 Scan010 | |
| Performance calculations for speed, time, and displacement in different gears. | 16th Sep 1909 | Box 29 \ 3 Scan011 | |
| Calculations for vehicle performance in 2nd gear, including speed, displacement, and ton-miles. | 20th Mar 1911 | Box 29 \ 3 Scan012 | |
| Need for more engine power, targeting 70 BHP via camshafts and larger throttles. | 20th Mar 1911 | Box 29 \ 3 Scan013 | |
| Engine performance, running smoothness, and a proposal for a standard exhaust cutout. | 23th Mar 1911 | Box 29 \ 3 Scan014 | |
| Speed capabilities, a potential test at Brooklands, and the construction of a prototype 4-seater body. | 23th Mar 1911 | Box 29 \ 3 Scan015 | |
| Requesting experiments on engine ratings for the B.A. Meeting, specifically testing the 'Knave' engine and the effect of large valves. | 19th Jun 1911 | Box 29 \ 3 Scan016 | |
| Departmental memo regarding testing procedures for a trunk induction pipe and the new testing shop dynamo. | 19th Jun 1911 | Box 29 \ 3 Scan017 | |
| To Mr. Royce seeking approval for the windscreen and horn design for the Speed Trials Car. | 28th Jun 1911 | Box 29 \ 3 Scan018 | |
| Engine modifications for chassis 1719 and 1869 to increase their speed. | 7th Sep 1911 | Box 29 \ 3 Scan019 | |
| List of modifications including a free exhaust and a larger carburetter. | 6th Oct 1911 | Box 29 \ 3 Scan020 | |
| Request to prepare a set of high-compression pistons and adapt a carburetter for a speed car. | 6th Oct 1911 | Box 29 \ 3 Scan021 | |
| Meeting minutes from late 1911 discussing speed trials, hill-climbing tests, and car performance. | 28th Nov 1911 | Box 29 \ 3 Scan022 | |
| Meeting minutes discussing modifications for speed trials, including wheel types, and the company's policy on pursuing speed records. | 14th Nov 1911 | Box 29 \ 3 Scan023 | |
| Committee meeting minutes discussing modifications to the 'Sluggard Car' for speed trials. | 28th Nov 1911 | Box 29 \ 3 Scan024 | |
| List of proposed alterations for the 'Sluggard Car' speed trials to attempt a world record. | 28th Nov 1911 | Box 29 \ 3 Scan025 | |
| Meeting minutes discussing speed trials, reliability tests, and modifications for the 'Sluggard car'. | 23th Nov 1911 | Box 29 \ 3 Scan026 | |
| Minutes from two meetings discussing modifications for the 'Sluggard Car' for speed trials and a radiator design to reduce windage. | 27th Nov 1911 | Box 29 \ 3 Scan027 | |
| Meeting minutes discussing speed trials, engine modifications for the 'Sluggard Car', and a hill climb test at Brooklands. | 30th Nov 1911 | Box 29 \ 3 Scan028 | |
| Minutes from the 90th Meeting discussing the 'Sluggard Car' modifications and costs for speed trials. | 30th Nov 1911 | Box 29 \ 3 Scan029 | |
| Meeting minutes discussing modifications for the 'Sluggard Car', including steering, wheels, and radiator. | 5th Dec 1911 | Box 29 \ 3 Scan030 | |
| Meeting minutes discussing modifications to the 'Sluggard Car' radiator and other components. | 28th Nov 1911 | Box 29 \ 3 Scan031 | |
| Meeting minutes discussing modifications and failures of the Sluggard Car and Engine. | 21th Dec 1911 | Box 29 \ 3 Scan032 | |
| Meeting minutes discussing engine balancing for the 'Sluggard Car' and a hill climb event at Brooklands. | 22th Dec 1911 | Box 29 \ 3 Scan033 | |
| Meeting minutes discussing speed trials and alterations to the 'Sluggard Car'. | 28th Nov 1911 | Box 29 \ 3 Scan034 | |
| Minutes from the 108th meeting regarding a proposed auxiliary oil pipe for the 'Sluggard'. | 17th Jan 1912 | Box 29 \ 3 Scan035 | |
| Requesting a report to clarify the inverted type springing on the 'Sluggard' car for future orders. | 28th Oct 1911 | Box 29 \ 3 Scan036 | |
| Departmental memo regarding the 'Sluggard' Car, referencing the 48th Technical Committee meeting. | 2nd Nov 1911 | Box 29 \ 3 Scan037 | |
| List of seven required alterations for the 'Sluggard' car, chassis 2004. | 17th Nov 1911 | Box 29 \ 3 Scan038 | |
| List of seven alterations to be made to the 'Sluggard' Car. | 20th Nov 1911 | Box 29 \ 3 Scan039 | |
| Minutes from the 77th Technical Committee meeting regarding the company's involvement in speed records. | 22th Nov 1911 | Box 29 \ 3 Scan040 | |
| Departmental memo discussing the company's position on speed records against Napier and proposing a 100 mph reliability run. | 7th Oct 1911 | Box 29 \ 3 Scan041 | |
| Departmental memo regarding assistance in the sale of a Rolls-Royce car. | 7th Oct 1911 | Box 29 \ 3 Scan042 | |
| Minutes from the 96th meeting regarding improving the power of chassis 1796 for a customer named Pope. | 8th Dec 1911 | Box 29 \ 3 Scan043 | |
| Instruction to M. Barrington regarding a drawing for an oil pipe for a speed car, awaiting committee approval. | 9th Jan 1922 | Box 29 \ 3 Scan044 | |
| Instructions from Mr. Royce regarding speed trials for Chassis 2002, potentially involving a marine engine. | 11th Mar 1912 | Box 29 \ 3 Scan045 | |
| Notes by Mr. Royce regarding car modifications for the 100 miles in one hour record attempt at Brooklands. | 11th Mar 1912 | Box 29 \ 3 Scan046 | |
| Modifications for achieving a 100-mile one-hour record on the Brooklands track. | 11th Mar 1912 | Box 29 \ 3 Scan047 | |
| Recommendations for modifying a car with a marine engine for performance testing at Brooklands track. | 11th Mar 1912 | Box 29 \ 3 Scan048 | |
| Engine improvements, comparing a marine engine to a 'Sluggard' engine, and suggesting modifications. | 16th Mar 1912 | Box 29 \ 3 Scan049 | |
| Departmental memo regarding speed tests at Brooklands Track and achieving 100 miles per hour. | 16th Mar 1912 | Box 29 \ 3 Scan050 | |
| Request from the Duc d'Alba for a high-performance chassis (34 UB) with custom modifications. | 10th Jun 1914 | Box 29 \ 3 Scan051 | |
| Performance modifications for chassis 34 UB for the Duc d'Alba in Spain. | 10th Jun 1914 | Box 29 \ 3 Scan052 | |
| Memorandum regarding engine modifications and test results for chassis EU 45. | 18th Jun 1914 | Box 29 \ 3 Scan053 | |
| Mr Hives' suggestions for high-performance modifications to chassis 34UB. | 10th Jun 1914 | Box 29 \ 3 Scan054 | |
| Requesting an expected date for comparative chassis tests between standard high and low compression engines. | 18th Nov 1919 | Box 29 \ 3 Scan055 | |
| Comparative chassis tests to determine the advantage of higher compression engines. | 20th Nov 1919 | Box 29 \ 3 Scan056 | |
| The status of comparative chassis tests and attaching related reports. | 22th Nov 1919 | Box 29 \ 3 Scan057 | |
| BJ to DA regarding the completion of comparative chassis tests. | 1st Dec 1919 | Box 29 \ 3 Scan058 | |
| Urging the completion of chassis tests to inform policy on the use of high compression engines in closed cars. | 5th Dec 1919 | Box 29 \ 3 Scan059 | |
| Requesting a progress update on comparative chassis tests. | 13th Dec 1919 | Box 29 \ 3 Scan060 | |
| Requesting comparative tests of low and high compression chassis to decide on their continuation and body options. | 7th Jan 1920 | Box 29 \ 3 Scan061 | |
| Cover letter forwarding correspondence received from the Secretary of the Brooklands Automobile Racing Club. | 2nd Feb 1920 | Box 29 \ 3 Scan062 | |
| Letter from Brooklands Automobile Racing Club regarding track repairs after military use and its re-opening for testing. | 31th Jan 1920 | Box 29 \ 3 Scan063 | |
| Requesting details for the testing of high and low compression chassis, with additional speed tests requested. | 9th Apr 1920 | Box 29 \ 3 Scan064 | |
| Scheduling of tests for high and low compression chassis. | 1st Apr 1920 | Box 29 \ 3 Scan065 | |
| Outlining tests for two experimental cars with high and low compression chassis at Brooklands Track. | 12th Apr 1920 | Box 29 \ 3 Scan066 | |
| Letter inquiring about the opening times of the Brooklands Motor Course for car testing. | 13th Apr 1920 | Box 29 \ 3 Scan067 | |
| Advisability of conducting hill-climbing tests on high and low compression chassis. | 15th Apr 1920 | Box 29 \ 3 Scan068 | |
| Proposing a hill test around Derbyshire to compare high and low compression cars, deeming the Brooklands test too short. | 19th Apr 1920 | Box 29 \ 3 Scan069 | |
| Requesting a date for comparative chassis tests to be held at Brooklands. | 12th May 1920 | Box 29 \ 3 Scan070 | |
| The scheduling of comparative chassis tests at Brooklands. | 17th May 1920 | Box 29 \ 3 Scan071 | |
| Letter to Mr. Maddocks regarding issues with a high speedometer reading, carburettor, and water temperature. | 2nd Jun 1920 | Box 29 \ 3 Scan072 | |
| Speedometer and performance test results for car 49-GB at the Brooklands racetrack. | 1st Jun 1920 | Box 29 \ 3 Scan073 | |
| Performance test results logging quarter-mile times and speeds under various vehicle configurations. | 2nd Jun 1920 | Box 29 \ 3 Scan074 | |
| Performance test results page showing lap times and quarter-mile acceleration tests under various vehicle configurations. | 2nd Jun 1920 | Box 29 \ 3 Scan075 | |
| Performance test results for tests 9, 10, and 11, detailing lap times and speeds under various conditions. | 3rd Jun 1920 | Box 29 \ 3 Scan076 | |
| Test results for car 49-GB at Brooklands, including lap times, speedometer accuracy, and acceleration. | 3rd Jun 1920 | Box 29 \ 3 Scan077 | |
| Acceleration tests showing time taken in seconds for various speed ranges. | 3rd Jun 1920 | Box 29 \ 3 Scan078 | |
| Speed and acceleration tests at Brooklands on a 49-GB car with different axle ratios and engine compressions. | 15th Jun 1920 | Box 29 \ 3 Scan079 | |
| Table of acceleration and speed test results under various car configurations and axle ratios. | 9th Feb 1937 | Box 29 \ 3 Scan080 | |
| Lap times and speeds for a 49-GB car during tests at Brooklands under various conditions. | 16th Jun 1920 | Box 29 \ 3 Scan081 | |
| Performance test results from Brooklands, detailing lap times and speeds under various conditions. | 16th Jun 1920 | Box 29 \ 3 Scan082 | |
| Continuation of performance test results from Brooklands, detailing speed, time, and water temperature. | 16th Jun 1920 | Box 29 \ 3 Scan083 | |
| Acceleration test results for vehicle 49-GB at Brooklands with a standard axle and 1/8' liners under cylinders. | 16th Jun 1920 | Box 29 \ 3 Scan084 | |
| Advantages of a lower axle gear following tests on car 49-GB at Brooklands. | 25th Jun 1920 | Box 29 \ 3 Scan085 | |
| From C.J. to H.s. requesting a copy of a report on high and low compression tests carried out at Brooklands. | 15th Apr 1921 | Box 29 \ 3 Scan086 | |
| Demonstration run for Mr. Glicksten Junr., comparing a Rolls-Royce Open-touring car against a Napier on a hill climb. | 30th Apr 1921 | Box 29 \ 3 Scan087 | |
| Performance claims of a Napier car and arranging a comparative test run. | 15th Mar 1922 | Box 29 \ 3 Scan088 | |
| Delaying tests on 40/50 cars at Brooklands Track due to a 'lock-out'. | 15th Mar 1922 | Box 29 \ 3 Scan089 | |
| Requesting to proceed with tests of a 14-tooth axle compared to a 15-tooth axle on 40/50 HP cars at Brooklands track. | 7th Jul 1922 | Box 29 \ 3 Scan090 | |
| On performance tests for 40/50 cars at Brooklands Track, comparing 14-tooth and 15-tooth axles. | 8th Jul 1922 | Box 29 \ 3 Scan091 | |
| Request to test the comparative petrol consumption of 40/50 cars with different axles under simulated normal driving conditions. | 10th Jul 1922 | Box 29 \ 3 Scan092 | |
| Requesting the results of the Brooklands experiments with 14-tooth axles. | 27th Jul 1922 | Box 29 \ 3 Scan093 | |
| Inaccurate performance results from a test at Brooklands with a car fitted with a 14-tooth axle, and arranging for re-testing. | 29th Jul 1922 | Box 29 \ 3 Scan094 | |
| Request for a non-technical explanation of the advantages of high compression engines based on recent tests. | 29th Jul 1922 | Box 29 \ 3 Scan095 | |
| Requesting an update on the results of tests on 14-tooth axles at Brooklands. | 1st Aug 1922 | Box 29 \ 3 Scan096 | |
| Comparative high and low compression tests conducted on the 1.EX car at Brooklands track. | 1st Aug 1922 | Box 29 \ 3 Scan097 | |
| Performance test results for car 1.EX, a 4-seater open touring body, comparing high and low compression engine settings. | 9th Aug 1922 | Box 29 \ 3 Scan098 | |
| Speed test of the Goshawk II car at Brooklands, investigating a pre-ignition issue and recording performance data. | 18th Aug 1922 | Box 29 \ 3 Scan099 | |
| Vehicle speed testing at Brooklands, different configurations, and defective spark plugs causing pre-ignition. | 1st Aug 1922 | Box 29 \ 3 Scan100 | |
| Request for the results of the Brooklands Test for the 14-tooth axle and the Goshawk. | 28th Aug 1922 | Box 29 \ 3 Scan101 | |
| Urgent memo requesting a report on the Brooklands tests for 14 and 15 tooth axles. | 8th Sep 1922 | Box 29 \ 3 Scan102 | |
| Performance results of a 1.EX Car tested at Brooklands with 14-tooth and 15-tooth axles. | 13th Sep 1922 | Box 29 \ 3 Scan103 | |
| Performance test results for car 1.EX, a 4-seater open touring body, under various engine and exhaust configurations. | 13th Sep 1922 | Box 29 \ 3 Scan104 | |
| Performance test results for car 1.EX, a 4-seater open touring body, comparing high and low compression setups. | 13th Sep 1922 | Box 29 \ 3 Scan105 | |
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