| Description | Date | Identifier | |
| Request to incorporate setts and a hump back bridge into the road leading to the skid pan for testing purposes. | 20th Apr 1936 | Box 155 \ 4 scan0015 | |
| Grant of money for a concrete skid pan for steering tests. | 21th Feb 1936 | Box 155 \ 4 scan0016 | |
| Letter to the Derby & District Motor Club at Donington Park requesting track access for car testing. | 27th Apr 1936 | Box 155 \ 4 scan0017 | |
| Letter from the Experimental Department requesting access to the Donington Park track for car testing. | 11th May 1936 | Box 155 \ 4 scan0018 | |
| Letter requesting access to Donington Park track for testing car 37-EX. | 8th Jul 1936 | Box 155 \ 4 scan0019 | |
| Letter from the Experimental Department requesting access to the Donington Park track for testing car 37-EX. | 9th Jul 1936 | Box 155 \ 4 scan0020 | |
| Confirming the readiness of the Sinfin Skidpan, with a handwritten exchange regarding cows. | 13th Oct 1936 | Box 155 \ 4 scan0021 | |
| Inquiring about the use of a Skid Pan that cost nearly £4,000. | 18th Dec 1936 | Box 155 \ 4 scan0022 | |
| Cost, original recommendation, and operational issues of a skid pan used for steering tests. | 21th Dec 1936 | Box 155 \ 4 scan0023 | |
| Methodology for testing driving visibility on a skid pan. | 26th Feb 1937 | Box 155 \ 4 scan0024 | |
| Request to have lines from an attached graph painted in black on the skid pan. | 1st Mar 1937 | Box 155 \ 4 scan0025 | |
| Letter requesting access to Donington Park for testing car 29-EX. | 10th Mar 1937 | Box 155 \ 4 scan0026 | |
| The handling of Bentley cars, comparing oversteer and understeer, with results from skid pan tests. | 11th Mar 1937 | Box 155 \ 4 scan0027 | |
| Vehicle handling characteristics, focusing on experiments to induce understeer. | 11th Mar 1937 | Box 155 \ 4 scan0028 | |
| Vehicle handling, comparing understeer/oversteer and the effects of rim width and tyre pressure. | 11th Mar 1937 | Box 155 \ 4 scan0029 | |
| Letter requesting track access at Donington Park for testing car 5.B.1V. | 28th Apr 1937 | Box 155 \ 4 scan0030 | |
| Letter from the Derby & District Motor Club requesting assistance with scrutineering and pit crew for a race. | 7th Jul 1937 | Box 155 \ 4 scan0031 | |
| Letter to the Derby & District Motor Club declining a request for scrutineering assistance due to holidays. | 12th Jul 1937 | Box 155 \ 4 scan0032 | |
| Letter to the Derby & District Motor Club requesting track access at Donnington Park for car testing. | 17th Aug 1937 | Box 155 \ 4 scan0033 | |
| Letter requesting track access at Donnington Park for car testing. | 18th Aug 1937 | Box 155 \ 4 scan0034 | |
| Letter to the Derby & District Motor Club requesting access to the Donnington Park track for car testing. | 23th Aug 1937 | Box 155 \ 4 scan0035 | |
| Letter requesting track access at Donnington Park for testing car 3.B.IV. | 25th Aug 1937 | Box 155 \ 4 scan0036 | |
| Requesting a key for the Skid Pan to avoid access issues and allow for overtime work. | 6th Sep 1937 | Box 155 \ 4 scan0037 | |
| Invoice from Donington Park Motor Race Course for use of the circuit for testing. | 7th Sep 1937 | Box 155 \ 4 scan0038 | |
| Letter from 'The Autocar' magazine requesting test data curves for under/over steering to publish alongside an article on the skid pan. | 23th Sep 1937 | Box 155 \ 4 scan0039 | |
| Letter to 'The Autocar' magazine providing a sketch for a write-up on a Skid Pan. | 28th Sep 1937 | Box 155 \ 4 scan0040 | |
| Follow-up inquiry regarding the availability of an additional key for the Skid Pan. | 22th Oct 1937 | Box 155 \ 4 scan0041 | |
| Technical corrections to a document on the 'Skid Pan' and acknowledging General Motors' contribution. | 22th Oct 1937 | Box 155 \ 4 scan0042 | |
| Letter requesting track access for two cars at Donington Park. | 2nd Nov 1937 | Box 155 \ 4 scan0043 | |
| The detailing of part SCD.493 for a Bracket for an Abney Level. | 1st Mar 1938 | Box 155 \ 4 scan0044 | |
| Request for track access at Donington Park for two cars. | 8th Mar 1938 | Box 155 \ 4 scan0045 | |
| Letter requesting track access for car 28.G.VI at Donnington Park. | 11th Mar 1938 | Box 155 \ 4 scan0046 | |
| Request to obtain galvanised steel rope for use on a skid pan. | 20th Apr 1938 | Box 155 \ 4 scan0047 | |
| Internal order for galvanized flexible steel cable to be used on a skid pan. | 21th Apr 1938 | Box 155 \ 4 scan0048 | |
| Requesting the repainting of a line on the skid pan to a new radius to prevent damage to the concrete. | 17th Sep 1938 | Box 155 \ 4 scan0049 | |
| Letter requesting access to the Donington Inner Circuit for high-speed testing. | 4th Apr 1940 | Box 155 \ 4 scan0050 | |
| Letter from Donington Park Motor Race Track regarding permission for track use, pending military commanding officer approval. | 8th Apr 1940 | Box 155 \ 4 scan0051 | |
| Letter from Donington Park Motor Race Track regarding permission to use the track. | 8th Apr 1940 | Box 155 \ 4 scan0052 | |
| Letter to Craner's Garage Ltd. acknowledging a delay to await a decision from headquarters. | 10th Apr 1940 | Box 155 \ 4 scan0053 | |
| Letter to Craner's Garage Ltd. suggesting a suitable time for a meeting. | 18th Apr 1940 | Box 155 \ 4 scan0054 | |
| Letter concerning the arrangement of track usage at Donington Park Motor Race Course. | 16th Apr 1940 | Box 155 \ 4 scan0055 | |
| Letter of thanks to Messrs. Craner's Garage Ltd. for the use of their track. | 30th Apr 1940 | Box 155 \ 4 scan0056 | |
| Engineering test procedure for skid pad testing. | 30th Apr 1940 | Box 155 \ 4 scan0057 | |
| Continued procedure for conducting a chassis skid pad test, covering steering ratio, theodolite setup, and sighting aids. | 30th Apr 1940 | Box 155 \ 4 scan0058 | |
| Continued engineering test procedure for skid pad testing on a chassis. | 30th Apr 1940 | Box 155 \ 4 scan0059 | |
| Engineering test procedure outlining the method for conducting a skid pad test on a chassis and analyzing the collected data. | 1st Mar 1939 | Box 155 \ 4 scan0060 | |
| Engineering test procedure for a skid pad test on the chassis, detailing side thrust calculations and plotting results. | 1st Mar 1939 | Box 155 \ 4 scan0061 | |
| Photograph displaying various dis-assembled mechanical components, including measurement dials, a curved bar, and fasteners. | 1st Mar 1939 | Box 155 \ 4 scan0062 | |
| Front view of a car fitted with a wide test rig, with two occupants. | 1st Mar 1939 | Box 155 \ 4 scan0063 | |
| View of the rear passenger compartment with a theodolite mounted for testing purposes. | 1st Mar 1939 | Box 155 \ 4 scan0064 | |
| Photograph of a saloon test car from a rear three-quarter angle, with technical apparatus attached to the front wheel. | 7th Oct 1949 | Box 155 \ 4 scan0065 | |
| Graph plotting the steering ratio against steering wheel movement for a limousine's re-circulatory ball steering box. | 7th Oct 1949 | Box 155 \ 4 scan0066 | |
| Graph of various vehicle angles versus lateral acceleration during a right-hand turn. | 7th Oct 1949 | Box 155 \ 4 scan0067 | |
| Graph plotting vehicle dynamics including various angles against lateral acceleration and speed during a left-hand turn. | 7th Oct 1949 | Box 155 \ 4 scan0068 | |
| Diagram illustrating the calculation of front slip angle using steering, Ackermann, and attitude angles. | 5th Oct 1940 | Box 155 \ 4 scan0069 | |
| Graph plotting the percentage of G-force against speed on a 108ft radius skid pad. | 5th Oct 1940 | Box 155 \ 4 scan0070 | |
| Procedure for claiming compensation for air raid damage to a skid pan. | 10th Mar 1941 | Box 155 \ 4 scan0071 | |
| Reporting air raid damage to an experimental skid pan. | 13th Mar 1941 | Box 155 \ 4 scan0072 | |
| Requesting further details about air raid damage to a skid pan for a War Damage Compensation claim. | 10th Mar 1941 | Box 155 \ 4 scan0073 | |
| Air raid damage to the skid pan at Sinfin, with proposed repairs and costs. | 26th Mar 1941 | Box 155 \ 4 scan0074 | |
| Request for a small box spanner for a 14mm Bentley plug. | 2nd May 1933 | Box 155 \ 4 scan0075 | |
| The specifications for feeler gauges and tool marking for the 3½ Litre Bentley. | 4th Jul 1933 | Box 155 \ 4 scan0076 | |
| Updated tool kit components for the Bentley Chassis. | 7th Jul 1933 | Box 155 \ 4 scan0077 | |
| Weight-saving design for a wheel nut spanner for R.W. Wheels on a Bentley car. | 14th Jul 1933 | Box 155 \ 4 scan0078 | |
| Requesting a recommendation for a hammer to tighten Rudge Whitworth wheel nuts for Bentley Tools. | 27th Jul 1933 | Box 155 \ 4 scan0079 | |
| Ideal hammer for tightening Bentley wheel nuts, suggesting a new heavier rubber mallet. | 3rd Aug 1933 | Box 155 \ 4 scan0080 | |
| Inquiry about the position of jacks for the Bentley 3.5 Litre car. | 14th Aug 1933 | Box 155 \ 4 scan0081 | |
| Query regarding the status of jacks for the Bentley 3 1/2 litre tools. | 24th Aug 1933 | Box 155 \ 4 scan0082 | |
| The testing of Millenium jacking pads for the Bentley 3½ Litre car. | 28th Aug 1933 | Box 155 \ 4 scan0083 | |
| Suggestion for the design of jacking pads on a Bentley. | 30th Aug 1933 | Box 155 \ 4 scan0084 | |
| Alternative hammer designs for Bentley wheel hubs. | 1st Sep 1933 | Box 155 \ 4 scan0085 | |
| Trial of different types of hammers for Bentley wheel hubs. | 1st Sep 1933 | Box 155 \ 4 scan0086 | |
| Correcting the name 'Moseley' to 'Spencer Moulton' regarding the Bentley Hammer for Wheel Hubs. | 5th Sep 1933 | Box 155 \ 4 scan0087 | |
| Design and manufacture of an improved haft for a Bentley Wheel Hammer. | 8th Sep 1933 | Box 155 \ 4 scan0088 | |
| Bensport rear jacking pads and a modified jack head. | 12th Sep 1933 | Box 155 \ 4 scan0089 | |
| Alternative position for the jack pad on the rear spring. | 14th Sep 1933 | Box 155 \ 4 scan0090 | |
| Design of a spanner and hammer for Rudge Whitworth Wheels. | 14th Sep 1933 | Box 155 \ 4 scan0091 | |
| Drawing of a spanner for a wheel nut, specifically for Bensport. | 14th Jul 1933 | Box 155 \ 4 scan0092 | |
| Suitability of a sample hammer and spanner for Rudge Whitworth wheels. | 15th Sep 1933 | Box 155 \ 4 scan0093 | |
| Delayed production and sourcing of hammers for Rudge-Whitworth Bentley Wheels. | 2nd Oct 1933 | Box 155 \ 4 scan0094 | |
| Arrangement of tools under the bonnet of a Bentley. | 6th Oct 1933 | Box 155 \ 4 scan0095 | |
| Arrangement of tools under the bonnet for a Bentley, referencing several blueprint schemes. | 20th Oct 1933 | Box 155 \ 4 scan0096 | |
| More secure method for stowing the Bentley wheel hammer under the bonnet. | 21th Oct 1933 | Box 155 \ 4 scan0097 | |
| Sample Bentley wheel spanner and a delivery misunderstanding. | 7th Nov 1933 | Box 155 \ 4 scan0098 | |
| Placement of road tools under the bonnet for a Bentley B.23-AE streamlined chassis. | 10th Nov 1933 | Box 155 \ 4 scan0099 | |
| Trial and acceptance of a batch of Bentley wheel spanners. | 11th Nov 1933 | Box 155 \ 4 scan0100 | |
| Placement of Bentley road tools to avoid them overheating from the exhaust. | 16th Nov 1933 | Box 155 \ 4 scan0101 | |
| Storage location for Bentley road tools, warning they may overheat if kept under the bonnet. | 16th Nov 1933 | Box 155 \ 4 scan0102 | |
| The fitting of jacking pads to Bentley chassis. | 17th Nov 1933 | Box 155 \ 4 scan0103 | |
| Standardisation of parts for jacking pads on rear springs. | 2nd Nov 1933 | Box 155 \ 4 scan0104 | |
| Standardisation of tool placement under the bonnet for Bentley and Rolls-Royce models. | 25th Nov 1933 | Box 155 \ 4 scan0105 | |
| Overheating of under-bonnet tools and suggesting alternative storage locations. | 2nd Dec 1933 | Box 155 \ 4 scan0106 | |
| Fitting jacking pads to the first 15 Bentley chassis. | 2nd Dec 1933 | Box 155 \ 4 scan0107 | |
| Optimal placement of road tools under the bonnet for Bentley and R-R cars. | 5th Dec 1933 | Box 155 \ 4 scan0108 | |
| Alternative tool storage locations to avoid keeping them under the bonnet. | 6th Feb 1934 | Box 155 \ 4 scan0109 | |
| Requesting alterations to box spanners for a Bentley Tool Kit. | 18th Feb 1935 | Box 155 \ 4 scan0110 | |
| Highlighting the problem of storing large Dunlop jacks loose in the passenger compartment of experimental cars. | 1st Mar 1935 | Box 155 \ 4 scan0111 | |
| Investigation into supplying an integrated tool box in the dashboard for the Spectre Chassis. | 2nd Mar 1935 | Box 155 \ 4 scan0112 | |
| Lack of space for tool accommodation under the bonnet of a Spectre Chassis. | 4th Mar 1935 | Box 155 \ 4 scan0113 | |
| Weight reduction recommendations for the Bentley tool kit. | 5th Mar 1935 | Box 155 \ 4 scan0114 | |
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