| Description | Date | Identifier | |
| Test report on the anti-detonation value of a doped fuel sample. | 6th Sep 1932 | Box 27a \ 4 Scan008 | |
| Requesting a covering order for fuel used in an Air Ministry test on the test beds. | 19th Sep 1932 | Box 27a \ 4 Scan009 | |
| Order of 'T' Aviation Mix Ethyl Fluid from the Ethyl Export Corporation. | 22th Sep 1932 | Box 27a \ 4 Scan010 | |
| Letter requesting a correlation between Benzene equivalent and Octane numbers for fuel knock rating. | 22th Sep 1932 | Box 27a \ 4 Scan011 | |
| Letter from Ethyl Export Corporation concerning fuel octane ratings and Benzene equivalents. | 23th Sep 1932 | Box 27a \ 4 Scan012 | |
| Application for authority to receive duty-free Methyl Alcohol (Methanol) for use as fuel in testing aero engines. | 1st Oct 1932 | Box 27a \ 4 Scan013 | |
| Regulations for the use, storage, and handling of duty-free spirits. | 1st Sep 1930 | Box 27a \ 4 Scan014 | |
| General conditions for the duty-free receipt of spirits for use in an Art or a Manufacture. | 1st Jan 1929 | Box 27a \ 4 Scan015 | |
| Addition of T.E.L. (Tetraethyllead) to methanol spirit and correcting a dosage error in a previous memo. | 7th Oct 1932 | Box 27a \ 4 Scan016 | |
| Analysis and octane value requirements for Estonian Shale petrol for use in a Kestrel engine. | 20th Oct 1932 | Box 27a \ 4 Scan017 | |
| The effects of Tetraethyllead (T.E.L.) on an engine during type test running and subsequent storage. | 26th Oct 1932 | Box 27a \ 4 Scan018 | |
| The effects of T.E.L. fuel additive on engine components, detailing rusting and pitting issues. | 26th Oct 1932 | Box 27a \ 4 Scan019 | |
| Letter from the Anglo-American Oil Company regarding the testing of their 'Marvelube A.5.' lubricating oil. | 31th Oct 1932 | Box 27a \ 4 Scan020 | |
| Use of Tetra Ethyl Lead fuel, octane ratings, and engine performance tests. | 17th Nov 1932 | Box 27a \ 4 Scan021 | |
| Issues with Shell petrol for aero engines and proposing Anglo American Fuel as an alternative. | 21th Nov 1932 | Box 27a \ 4 Scan022 | |
| Use and testing of Tetra Ethyl Lead (TEL) in fuel for aircraft engines. | 21th Nov 1932 | Box 27a \ 4 Scan023 | |
| Confirming agreement to use Anglo American fuel. | 22th Nov 1932 | Box 27a \ 4 Scan024 | |
| Letter to the Anglo American Oil Co. Ltd. regarding an inquiry about engines supplied for Canada. | 23th Nov 1932 | Box 27a \ 4 Scan025 | |
| Letter from Anglo-American Oil Company regarding the use of their D.T.D.134 Spirit in a type test. | 26th Nov 1930 | Box 27a \ 4 Scan026 | |
| Internal request to place an order for Aviation Mix Ethyl Fluid from The Ethyl Export Corp. | 2nd Dec 1932 | Box 27a \ 4 Scan027 | |
| Specification document for standard fuel for aircraft engines, detailing its properties and testing requirements. | 2nd Dec 1932 | Box 27a \ 4 Scan028 | |
| Appendix specifying the requirements for a standard reference fuel, detailing the properties for Hexane. | 9th Dec 1932 | Box 27a \ 4 Scan029 | |
| Request to obtain 150 gallons of petrol from the Anglo American Oil Co. with a guaranteed Octane number. | 9th Dec 1932 | Box 27a \ 4 Scan030 | |
| Letter to the Anglo American Oil Co. Ltd. about an order for 80 Octane petrol and an enquiry into future fuel specifications. | 9th Dec 1932 | Box 27a \ 4 Scan031 | |
| Variations in Air Board Fuel deliveries from the Shell Company. | 9th Dec 1932 | Box 27a \ 4 Scan032 | |
| Letter from Shell-Mex and B.P. Ltd regarding the quality of Aviation fuel supplied under Air Board Specification D.T.D.134. | 2nd Dec 1932 | Box 27a \ 4 Scan033 | |
| Enquiry into fuel quality and the subsequent revision of the D.T.D.134 specification to include benzole. | 2nd Dec 1932 | Box 27a \ 4 Scan034 | |
| Letter from Shell-Mex & B.P. Ltd. refuting fuel quality complaints and discussing specifications and pricing. | 15th Dec 1932 | Box 27a \ 4 Scan035 | |
| Letter from the Anglo-American Oil Company regarding the supply and quality of 80 and 90 Octane fuel. | 15th Dec 1932 | Box 27a \ 4 Scan036 | |
| Internal request to order five 50 gallon barrels of 90's Benzol. | 16th Dec 1932 | Box 27a \ 4 Scan037 | |
| Order for 80 gallons of Methanol from I.C.I. Ltd. | 17th Dec 1932 | Box 27a \ 4 Scan038 | |
| Copy of a Kidbrooke report on the properties of D.T.D.134 (ANGLO) fuel. | 19th Dec 1932 | Box 27a \ 4 Scan039 | |
| Future engine tests and ratings using 80 octane fuel for Goshawk, Griffon, Merlin, and Kestrel engines. | 20th Dec 1932 | Box 27a \ 4 Scan040 | |
| Air Ministry instructions for testing Goshawk, Griffon, Merlin, and Kestrel engines with new 80 octane fuel. | 19th Dec 1932 | Box 27a \ 4 Scan041 | |
| Order for 500 gallons of 80 Octane fuel from the Shell Company. | 30th Dec 1932 | Box 27a \ 4 Scan042 | |
| Confirming a telephone conversation regarding a requisition for 500 gallons of Shell Aviation spirit. | 31th Dec 1932 | Box 27a \ 4 Scan043 | |
| Procurement of 500 gallons of 80 octane fuel. | 4th Jan 1933 | Box 27a \ 4 Scan044 | |
| Switch to 80 Octane fuel for testing Goshawk, Griffon, Merlin, and Kestrel engines. | 5th Jan 1933 | Box 27a \ 4 Scan045 | |
| Article discussing the importance of fuel quality, detonation, and anti-knock properties for aero-engines. | 14th Dec 1932 | Box 27a \ 4 Scan046 | |
| Technical bulletin explaining the concept of the Octane Number and its importance for aero-engine fuels. | 10th Jan 1933 | Box 27a \ 4 Scan047 | |
| Letter from Shell-Mex and B.P. Ltd regarding the specification and supply of D.T.D.134 aviation fuel. | 10th Jan 1933 | Box 27a \ 4 Scan048 | |
| Letter from Shell-Mex and B.P. discussing aviation fuel types, octane ratings, and supply logistics. | 10th Jan 1933 | Box 27a \ 4 Scan049 | |
| Letter from Shell-Mex and B.P. Ltd. regarding the supply of various fuel mixtures. | 10th Jan 1933 | Box 27a \ 4 Scan050 | |
| Letter to Shell-Mex & B.P. Ltd. regarding 80 Octane fuel specifications and its future development. | 14th Jan 1933 | Box 27a \ 4 Scan051 | |
| Requesting the order of D.T.D.134 standard reference fuel for knock rating tests. | 19th Jan 1933 | Box 27a \ 4 Scan052 | |
| Order for 500 gallons of 80 Octane fuel from Shell Mex. & B.P. Ltd. | 19th Jan 1933 | Box 27a \ 4 Scan053 | |
| Letter from Ethyl Export Corporation regarding the testing of Estonian home-produced shale fuel for aviation purposes. | 20th Jan 1933 | Box 27a \ 4 Scan054 | |
| Letter from Shell-Mex and B.P. Ltd confirming an order for 500 gallons of 80 Octane fuel and discussing specifications. | 21th Jan 1933 | Box 27a \ 4 Scan055 | |
| Letter from Ethyl Export Corporation regarding the use of leaded fuel in engines and Esthonian aviation fuel. | 7th Feb 1933 | Box 27a \ 4 Scan056 | |
| Comparative analysis of two grades of Esthonian Shale Spirits from the Ethyl Export Corporation. | 7th Feb 1933 | Box 27a \ 4 Scan057 | |
| Letter to R. W. Dorey discussing the test results of Esthonian Shale Spirit, deeming it unsuitable as an aviation fuel. | 7th Feb 1933 | Box 27a \ 4 Scan058 | |
| Page 2 of a letter discussing aviation fuel specifications and supply strategy concerning the Estonian Government. | 14th Feb 1933 | Box 27a \ 4 Scan059 | |
| Letter to Ethyl Export Corporation approving the use of tetraethyl lead in fuel for Kestrel engines. | 14th Feb 1933 | Box 27a \ 4 Scan060 | |
| Order for 24 cans of Aviation Mix Ethyl Fluid from the Ethyl Export Corp. | 17th Feb 1933 | Box 27a \ 4 Scan061 | |
| Order for 160 gallons of Methanol from I.C.I. Ltd. | 17th Feb 1933 | Box 27a \ 4 Scan062 | |
| Request for a curve showing the octane values of lead additions to D.T.D.134 fuel for Kestrel engine tests. | 17th Feb 1933 | Box 27a \ 4 Scan063 | |
| The progress of developing a standardized apparatus and method for testing fuel knock. | 11th Nov 1931 | Box 27a \ 4 Scan064 | |
| Page from a publication describing the 'C.F.R.' knock-testing apparatus, detailing its engine, carburetor, and other systems. | 1st Nov 1931 | Box 27a \ 4 Scan065 | |
| Technical article discussing the development and application of the octane number scale for measuring anti-knock quality in gasoline. | 1st Nov 1931 | Box 27a \ 4 Scan066 | |
| Page from a publication discussing secondary reference fuels, octane number definition, and anti-knock quality of gasoline. | 1st Nov 1931 | Box 27a \ 4 Scan067 | |
| Cooperative fuel research, discussing test apparatus, octane numbers of motor gasoline, and cooperative testing procedures. | 1st Nov 1931 | Box 27a \ 4 Scan068 | |
| Report summarizing the results of cooperative knock ratings conducted by the Detonation Sub-committee in August 1931. | 1st Nov 1931 | Box 27a \ 4 Scan069 | |
| Journal page discussing international collaboration on detonation testing and a detailed description of the C.F.R. knock-testing apparatus. | 1st Nov 1931 | Box 27a \ 4 Scan070 | |
| Side and end sectional views and specifications for the 'C. F. R.' Engine and its carburetor. | 1st Nov 1931 | Box 27a \ 4 Scan071 | |
| Page from a gasoline manufacturer's journal detailing the 'C.F.R.' Carburetor and its ignition system. | 1st Nov 1931 | Box 27a \ 4 Scan072 | |
| Page detailing the spark settings, power absorption, and cooling system for a 'C. F. R.' engine, including a carburetor diagram. | 1st Nov 1931 | Box 27a \ 4 Scan073 | |
| Page discussing the bouncing-pin element and knockmeter for engine knock detection and measurement. | 1st Nov 1931 | Box 27a \ 4 Scan074 | |
| Recommended practice document for conducting engine knock tests. | 1st Nov 1931 | Box 27a \ 4 Scan075 | |
| Technical page from a journal detailing procedures for engine knock intensity, mixture-ratio adjustment, anti-knock determination, and maintenance. | 1st Nov 1931 | Box 27a \ 4 Scan076 | |
| Guide on engine and bouncing-pin adjustment for knock testing, including procedures, data, and troubleshooting. | 1st Nov 1931 | Box 27a \ 4 Scan077 | |
| Letter from Ethyl Export Corporation regarding fuel specifications and lead content for Kestrel engine tests. | 18th Feb 1933 | Box 27a \ 4 Scan078 | |
| Letter from Ethyl Export Corporation providing a lead response curve and test data for Shell D.T.D. 134 Spirit. | 21th Feb 1933 | Box 27a \ 4 Scan079 | |
| Page 2 of a letter discussing fuel 'lead' response curves and octane numbers. | 27th Feb 1933 | Box 27a \ 4 Scan080 | |
| Graph plotting the Octane Number of Shell DTD 134 Spirit against the addition of Tetraethyllead (T.E.L.). | 27th Feb 1933 | Box 27a \ 4 Scan081 | |
| The recommended fuel for civil Kestrel engines and a query about updating the standard to a minimum octane rating. | 9th Mar 1933 | Box 27a \ 4 Scan082 | |
| Proposing to specify fuel by a minimum octane number for civil engines, rather than by brand name. | 9th Mar 1933 | Box 27a \ 4 Scan083 | |
| Internal request to order 1000 gallons of 80 Octane fuel from Shell Mex & B.P. Ltd. | 9th Mar 1933 | Box 27a \ 4 Scan084 | |
| Confirming the receipt of 12 cans of Tetra Ethyl Fluid from The Ethyl Export Corp. | 17th Mar 1933 | Box 27a \ 4 Scan085 | |
| Order for 500 gallons of Anglo American 80 Octane fuel. | 23th Mar 1933 | Box 27a \ 4 Scan086 | |
| Letter from Ethyl Export Corporation detailing the properties and composition of continental fuels like Esso and Azur. | 27th Mar 1933 | Box 27a \ 4 Scan087 | |
| Order of 1000 gallons of 80 Octane fuel from the Anglo American Oil Co. | 29th Mar 1933 | Box 27a \ 4 Scan088 | |
| Properties and development of Hydrogenated Safety Fuel, also known as 'SAFE-T-ESSO'. | 29th Mar 1933 | Box 27a \ 4 Scan089 | |
| List of test results for a fluid's physical and chemical properties. | 30th Mar 1933 | Box 27a \ 4 Scan090 | |
| Laboratory report on the analysis of an unknown fuel sample. | 30th Mar 1933 | Box 27a \ 4 Scan091 | |
| Test report on a sample of fuel, specification D.T.D.134, including detonation test results on an experimental engine. | 12th Apr 1933 | Box 27a \ 4 Scan092 | |
| Order of 24 cans of 'T' Aviation Mix Ethyl Fluid. | 6th Apr 1933 | Box 27a \ 4 Scan093 | |
| Correspondence regarding the appropriate fuel for full throttle trials of a Hawker High Speed Fury with a Kestrel engine. | 10th Apr 1933 | Box 27a \ 4 Scan094 | |
| Satisfactory fuel supplied by Shell for a High Speed 'Fury' aircraft with a Kestrel II S 1031 engine. | 12th Apr 1933 | Box 27a \ 4 Scan095 | |
| Letter from Ethyl Export Corporation regarding the supply of Schneider fuel from Shell-Mex & B.P. Ltd. | 11th Apr 1933 | Box 27a \ 4 Scan096 | |
| Letter from the Air Ministry requesting an update on obtaining a sample of hydrogenated fuel for testing. | 13th Apr 1933 | Box 27a \ 4 Scan097 | |
| Letter to the Air Ministry regarding the status of information on Hydrogenated Fuel from the Standard Oil Company. | 20th Apr 1933 | Box 27a \ 4 Scan098 | |
| Private memo about the failure of an Exp.III test due to sub-standard fuel with an octane number of 74. | 20th Apr 1933 | Box 27a \ 4 Scan099 | |
| Octane rating of a fuel sample for the Exp.111 engine. | 21th Apr 1933 | Box 27a \ 4 Scan100 | |
| Request for comments on a proposed new specification for aero engine fuel. | 28th Apr 1933 | Box 27a \ 4 Scan101 | |
| Air Ministry general specification for standard fuel for aircraft engines. | 28th Apr 1933 | Box 27a \ 4 Scan102 | |
| Technical specification page detailing fuel properties including sulphur, freezing point, gum, and anti-detonation value. | 28th Apr 1933 | Box 27a \ 4 Scan103 | |
| Specifications for fuel colouring, testing methods, and a detailed gum test procedure. | 28th Apr 1933 | Box 27a \ 4 Scan104 | |
| Page describing procedures for fuel testing, including determining potential gum and methods for anti-detonation value tests. | 28th Apr 1933 | Box 27a \ 4 Scan105 | |
| Appendix 3 detailing the method of sampling and precautions to avoid contamination. | 2nd May 1933 | Box 27a \ 4 Scan106 | |
| Letter from Ethyl Export Corporation arranging a test run of a new Bentley at Brooklands and discussing an S.A.E. membership application. | 2nd May 1933 | Box 27a \ 4 Scan107 | |
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