| Description | Date | Identifier | |
| Letter to G.R. Minchin of Messrs Peto and Radford Ltd. regarding potential travel plans and a delayed return. | 23th Aug 1940 | Box 156 \ 4 scan0120 | |
| Letter to G.R.N. Minchin of Messrs Peto & Radford Ltd. arranging a meeting for Tuesday, September 3rd. | 25th Aug 1940 | Box 156 \ 4 scan0121 | |
| Letter from accumulator manufacturers Peto & Radford concerning meeting arrangements and a trip to Scotland. | 26th Aug 1940 | Box 156 \ 4 scan0122 | |
| Letter from accumulator manufacturers Peto & Radford confirming a meeting with W.A. Robotham. | 27th Aug 1940 | Box 156 \ 4 scan0123 | |
| Letter of apology to G.N. Minchin of Messrs Peto & Radford Ltd for a missed appointment. | 5th Sep 1940 | Box 156 \ 4 scan0124 | |
| Letter from Peto & Radford to W.A. Robotham regarding a discussion about 'Moore's device' and its performance. | 6th Sep 1940 | Box 156 \ 4 scan0125 | |
| Cover memo discussing a letter and drawing regarding Turbo Transmitters for a rationalised automobile. | 26th Sep 1940 | Box 156 \ 4 scan0126 | |
| Letter discussing progress and solutions for fitting a proposed transmitter, possibly to a vehicle's gearbox or engine. | 6th Nov 1940 | Box 156 \ 4 scan0127 | |
| Letter from Turbo Transmitters Ltd. discussing fitting a hydraulic transmitter to a car. | 19th Sep 1940 | Box 156 \ 4 scan0128 | |
| Letter to G.R. Minchin of Peto & Radford Ltd. regarding a delay with a torque converter and a request for a servo drive. | 12th Nov 1940 | Box 156 \ 4 scan0129 | |
| Letter to Turbo Transmitters Ltd. requesting detailed drawings for installing a Turbo Transmitter in a Bentley Chassis. | 12th Nov 1940 | Box 156 \ 4 scan0130 | |
| Letter outlining the requirements and modifications necessary to install a Turbo-Transmitter into a Bentley chassis. | 12th Nov 1940 | Box 156 \ 4 scan0131 | |
| Cover letter regarding the enclosure of a letter about a Turbo-Transmitter installation on a Bentley Chassis. | 12th Nov 1940 | Box 156 \ 4 scan0132 | |
| Explaining the calculation of engine r.p.m. figures based on various tyre rolling circle measurements for an attached chart. | 27th Sep 1943 | Box 156 \ 4 scan0133 | |
| Table comparing axle ratios, tyre sizes, rolling circles, and engine RPM for various cars. | 3rd Nov 1943 | Box 156 \ 4 scan0134 | |
| Chart showing engine R.P.M. for various cars at 60 M.P.H. | 3rd Nov 1943 | Box 156 \ 4 scan0135 | |
| Comparison table of engine RPM at 60 MPH for various cars based on tyre size and axle ratio. | 3rd Nov 1943 | Box 156 \ 4 scan0136 | |
| Order for various Dunlop Fort tyres and spare tubes. | 4th Jan 1932 | Box 157 \ 1 scan0001 | |
| Internal request to order eight Dunlop Fort Canadian tyre covers. | 12th Jan 1932 | Box 157 \ 1 scan0002 | |
| Letter from Dunlop Rubber Co. Ltd. arranging a meeting to discuss modified tread pattern tyres. | 21th Jan 1932 | Box 157 \ 1 scan0003 | |
| Letter to Dunlop Rubber Co Ltd. regarding the delayed testing of Modified Tread Pattern Tyres. | 22th Jan 1932 | Box 157 \ 1 scan0004 | |
| Letter from Dunlop Rubber Co. proposing a change of meeting date to discuss a modified tread tyre. | 23th Jan 1932 | Box 157 \ 1 scan0005 | |
| Letter to Dunlop Rubber Co Ltd confirming a meeting to discuss modified tread tyres. | 25th Jan 1932 | Box 157 \ 1 scan0006 | |
| The return of twelve unsuitable tyre covers and tubes received in error from the Dunlop Co. | 28th Jan 1932 | Box 157 \ 1 scan0007 | |
| Meeting with Dunlop Tyre Co. regarding the testing and development of new silent tread tyres. | 1st Feb 1932 | Box 157 \ 1 scan0008 | |
| Photograph comparing two different tire tread patterns. | 1st Feb 1932 | Box 157 \ 1 scan0009 | |
| Close-up photograph of two stacked tyres, focusing on the tread pattern and sidewall markings. | 4th Feb 1932 | Box 157 \ 1 scan0010 | |
| The testing and potential production of new silent tread tyres. | 4th Feb 1932 | Box 157 \ 1 scan0011 | |
| Receipt of Heavy Duty Motor Covers from the Dunlop Rubber Co. without a requisition. | 8th Feb 1932 | Box 157 \ 1 scan0012 | |
| Letter from Dunlop Rubber Co. Ltd. regarding contacting their French factory about a car under test. | 8th Feb 1932 | Box 157 \ 1 scan0013 | |
| Letter to Dunlop Rubber Coy Ltd regarding tyre testing and the return of a specific tyre. | 9th Feb 1932 | Box 157 \ 1 scan0014 | |
| Request to order five Heavy Duty Dunlop Motor Covers with Canadian pattern silent tread. | 10th Feb 1932 | Box 157 \ 1 scan0015 | |
| Letter from Dunlop accepting an offer to examine tyres at 2,000-mile intervals and acknowledging the return of a specific tyre. | 10th Feb 1932 | Box 157 \ 1 scan0016 | |
| Tyre sizes for certain chassis and forwarding a communication from the Dunlop Company. | 2nd Mar 1932 | Box 157 \ 1 scan0017 | |
| Letter from Dunlop Rubber Co. Ltd. discussing the effects of different tyre and rim diameters on tyre life. | 1st Mar 1932 | Box 157 \ 1 scan0018 | |
| Copy of a letter from The Dunlop Rubber Company, Erdington to Messrs. Rolls-Royce Ltd. | 1st Mar 1932 | Box 157 \ 1 scan0019 | |
| Dunlop tyre options and availability for Peregrine and Bensport chassis. | 3rd Mar 1932 | Box 157 \ 1 scan0020 | |
| Proposal for ordering two sets of Peregrine wire wheels and tyres, with details from Dunlop on the available tyre type. | 15th Mar 1932 | Box 157 \ 1 scan0021 | |
| Letter from Dunlop Rubber Co. Ltd. confirming receipt of prints and discussing tyre specifications. | 12th Mar 1932 | Box 157 \ 1 scan0022 | |
| Letter to the Dunlop Rubber Co. Ltd. arranging an inspection for a set of Canadian Type Tread tyres after completing a 2,700-mile test run. | 1st Apr 1932 | Box 157 \ 1 scan0023 | |
| Requesting an order for Dunlop tyres and tubes to be sent to a location in France for chassis 19-EX. | 4th Apr 1932 | Box 157 \ 1 scan0024 | |
| Letter from Dunlop arranging an inspection of experimental car tyres after completing 2,700 miles. | 5th Apr 1932 | Box 157 \ 1 scan0025 | |
| Letter to Dunlop Rubber Co. Ltd. arranging for a car to be available for Mr. F. E. Smith to examine the tyres. | 6th Apr 1932 | Box 157 \ 1 scan0026 | |
| Requesting confirmation on the satisfactory performance of new tyres after testing. | 12th Apr 1932 | Box 157 \ 1 scan0027 | |
| Noise issues with new Dunlop tread tyres and seeking an opinion on different types. | 13th Apr 1932 | Box 157 \ 1 scan0028 | |
| Performance and noise levels of new Dunlop M.A.1 and M.A.2 tread tyres. | 14th Apr 1932 | Box 157 \ 1 scan0029 | |
| Graphs showing the power consumption of pneumatic tyres under varying load, speed, and pressure. | 11th May 1932 | Box 157 \ 1 scan0030 | |
| Letter to The Dunlop Rubber Co. Ltd. arranging an inspection of Canadian Type Tread tyres after a 5,000-mile test. | 11th May 1932 | Box 157 \ 1 scan0031 | |
| Letter from Dunlop Rubber Co. Ltd. regarding a new tyre mould for a 20/25 HP demonstration car. | 13th May 1932 | Box 157 \ 1 scan0032 | |
| Comparative silence and wear tests on various Dunlop tyre treads. | 23th May 1932 | Box 157 \ 1 scan0033 | |
| Letter from Dunlop Rubber Co. Ltd. chasing for comments on the production of a tyre mould for the 20/25 HP chassis. | 24th May 1932 | Box 157 \ 1 scan0034 | |
| Letter to Dunlop Rubber Co. Ltd. regarding the testing and properties of MA.1 and MA.2 type tyres. | 25th May 1932 | Box 157 \ 1 scan0035 | |
| Comparative silence and non-skid tests between Dunlop MA.1 and MA.2 tyres. | 25th May 1932 | Box 157 \ 1 scan0036 | |
| Request to order tyres from the Dunlop Rubber Co. | 26th May 1932 | Box 157 \ 1 scan0037 | |
| Standardization of M.A.2. tyres and sourcing them from Dunlop. | 26th May 1932 | Box 157 \ 1 scan0038 | |
| Letter to the Dunlop Rubber Company Ltd. requesting a set of four M.A.2. type tread tyres for a 40/50 HP vehicle. | 26th May 1932 | Box 157 \ 1 scan0039 | |
| Communication regarding the readiness and testing of Dunlop MA.2 tyres. | 26th May 1932 | Box 157 \ 1 scan0040 | |
| Letter from Dunlop Rubber Co. Ltd. regarding the production status and delivery timelines for tyre moulds and tyres. | 28th May 1932 | Box 157 \ 1 scan0041 | |
| Letter to Mr. Hives announcing the writer's departure from their role and continuation of liaison work in a part-time capacity. | 10th Jun 1932 | Box 157 \ 1 scan0042 | |
| Urgent request for six Dunlop Buttress Tread tyres for car 19-EX. | 13th Jun 1932 | Box 157 \ 1 scan0043 | |
| Letter from Dunlop Rubber Co. Ltd. regarding a delay in tyre production and adoption of the MA.2 pattern. | 17th Jun 1932 | Box 157 \ 1 scan0044 | |
| Trial of Goodyear tyres and the decision to standardize Dunlop MA-2 tyres. | 20th Jun 1932 | Box 157 \ 1 scan0045 | |
| From ROY to Hs. regarding Dunlop Company proceeding with new tyre moulds for testing. | 21th Jun 1932 | Box 157 \ 1 scan0046 | |
| Confirming no objection to using M.A.2 tyres as standard once available. | 22th Jun 1932 | Box 157 \ 1 scan0047 | |
| Letter to the Dunlop Rubber Co. Ltd. requesting tyres for experimental purposes. | 27th Jun 1932 | Box 157 \ 1 scan0048 | |
| Letter from Dunlop Rubber Co. Ltd. concerning the delivery schedule of tyres. | 28th Jun 1932 | Box 157 \ 1 scan0049 | |
| Requesting the urgent supply of racing tyres for Brooklands tests. | 7th Jul 1932 | Box 157 \ 1 scan0050 | |
| Ordering new Dunlop tyres for a car in France due to wear in hot weather. | 10th Jul 1932 | Box 157 \ 1 scan0051 | |
| Order for two new Dunlop Buttress tread tyres for car 19-EX in France. | 12th Jul 1932 | Box 157 \ 1 scan0052 | |
| Dispatch of Dunlop racing tyres for Brooklands tests and their recommended inflation pressure. | 14th Jul 1932 | Box 157 \ 1 scan0053 | |
| Message to The Dunlop Rubber Co. Ltd. regarding the price and availability of tyres. | 16th Jul 1932 | Box 157 \ 1 scan0054 | |
| Telegram regarding the availability and price of new tread 19-inch Dunlop tyres. | 16th Oct 1944 | Box 157 \ 1 scan0055 | |
| Letter from Dunlop Rubber Co. Ltd. regarding the dispatch and availability of tyres. | 20th Jul 1932 | Box 157 \ 1 scan0056 | |
| Letter from Dunlop Rubber Co. Ltd. regarding a delay in the production and dispatch of a sample set of 7.00-20 MA.2. pattern tyres. | 22th Jul 1932 | Box 157 \ 1 scan0057 | |
| Letter to Dunlop Rubber Co. Ltd. acknowledging receipt of tyres for an endurance run. | 25th Jul 1932 | Box 157 \ 1 scan0058 | |
| To amend an order for M.A.2 6' x 19' tyres after an over-delivery from Dunlops. | 25th Jul 1932 | Box 157 \ 1 scan0059 | |
| Letter from Dunlop Rubber Co. Ltd. regarding the delivery of five 7.00-20 WA.2. type covers and apologising for a delay. | 29th Jul 1932 | Box 157 \ 1 scan0060 | |
| Letter to Dunlop Rubber Co. Ltd. acknowledging receipt of 7 x 20' tyres with MA.2 type treads. | 10th Aug 1932 | Box 157 \ 1 scan0061 | |
| Choice between Dunlop Silent and Buttressed tread tyres for chassis, particularly for overseas conditions. | 6th Sep 1932 | Box 157 \ 1 scan0062 | |
| Order for five sets of tyres and tubes for a Peregrine. | 8th Sep 1932 | Box 157 \ 1 scan0063 | |
| Invoices for Dunlop tyres received by the Experimental Department without an official order. | 17th Sep 1932 | Box 157 \ 1 scan0064 | |
| Retention of silent tread tyres for experimental testing. | 19th Sep 1932 | Box 157 \ 1 scan0065 | |
| Letter to Dunlop Rubber Co. Ltd. requesting recommendations on the running direction of M.A.2. type tread tyres. | 22th Sep 1932 | Box 157 \ 1 scan0066 | |
| Letter from Dunlop Rubber Co. regarding the correct fitting direction for MA.2 type tread tyres and an offer to correct tyres fitted in reverse on Mr. Royce's car. | 26th Sep 1932 | Box 157 \ 1 scan0067 | |
| Sketch detailing the recommended direction for a tyre tread pattern. | 24th Sep 1932 | Box 157 \ 1 scan0068 | |
| Cover note attaching Dunlop Co's recommendations on the running direction of M.A.2 type tread tyres. | 27th Sep 1932 | Box 157 \ 1 scan0069 | |
| Letter from Dunlop Rubber Co. Ltd. advising on the correct directional fitting of MA.2 Type Tread Tyres. | 26th Sep 1932 | Box 157 \ 1 scan0070 | |
| Sketch illustrating the recommended direction for a specific tyre tread pattern. | 24th Sep 1932 | Box 157 \ 1 scan0071 | |
| Standardisation of a new type of tyre tread to replace the existing silent tread. | 16th Aug 1932 | Box 157 \ 1 scan0072 | |
| Costing and approval routing slip, likely the reverse side of a part standardisation form. | 18th Jan 1939 | Box 157 \ 1 scan0073 | |
| Photographic comparison of two different tyre treads, labelled MA1 and MA2. | 20th May 1943 | Box 157 \ 1 scan0074 | |
| Photograph showing a close-up of two vehicle tires and their tread patterns. | 25th Oct 1932 | Box 157 \ 1 scan0075 | |
| Request to order and send six Dunlop Fort Tyres and Tubes to a hotel in France. | 25th Oct 1932 | Box 157 \ 1 scan0076 | |
| Internal request to order five Dunlop tyres, specifying the size and preferred tread type. | 3rd Nov 1932 | Box 157 \ 1 scan0077 | |
| Confirming receipt of six Dunlop tyres, listing their serial numbers and the cost of carriage. | 13th Nov 1932 | Box 157 \ 1 scan0078 | |
| Correcting a typographical error for the carriage cost of tyres from £7.0.0 to £5.0.0. | 15th Nov 1932 | Box 157 \ 1 scan0079 | |
| Request to Dunlops to send two inner tubes for Sir Henry Royce's car to West Wittering. | 23th Dec 1932 | Box 157 \ 1 scan0080 | |
| Request to order six 5.50 X 18' Dunlop Buttressed tread tyres for a Peregrine. | 17th Mar 1933 | Box 157 \ 1 scan0081 | |
| The immediate order of Dunlop tyres and bands for a car travelling to France. | 1st May 1933 | Box 157 \ 1 scan0082 | |
| Letter from Dunlop Rubber Co. Ltd. regarding the supply and road testing of various tyres. | 20th Apr 1933 | Box 157 \ 1 scan0083 | |
| | | | |
