| Description | Date | Identifier | |
| Fitting of oil and water pump drive towers to experimental Falcon and Eagle engines. | 11th Apr 1918 | Box 37 \ 4 scan 054 | |
| Changing the material of the camshaft drive's lower housing nut from steel to a lighter alloy. | 20th Jun 1917 | Box 37 \ 4 scan 055 | |
| Instruction to manufacture two Camshaft Drive Lower Nuts in aluminium for testing on Falcon engines. | 3rd Jul 1917 | Box 37 \ 4 scan 056 | |
| Cover memo regarding a duralumin camshaft drive lower nut for 'Falcon' engines. | 5th Jul 1917 | Box 37 \ 4 scan 057 | |
| Requesting a set of Lower Housing Nuts for 'Eagle' engines be made in aluminium for experimental testing. | 25th Jul 1917 | Box 37 \ 4 scan 058 | |
| The camshaft drive lower half housing nut in aluminium for Eagle Engines. | 26th Jul 1917 | Box 37 \ 4 scan 059 | |
| Experimental parts fitted to the 'E' Engine, reference X.3030. | 24th Aug 1917 | Box 37 \ 4 scan 060 | |
| Replacing an altered blueprint with a new tracing for the 'Eagle' engine camshaft drive lower housing nut. | 24th Aug 1917 | Box 37 \ 4 scan 061 | |
| Camshaft drive lower housing nut for Eagle Engines. | 30th Aug 1917 | Box 37 \ 4 scan 062 | |
| Recommendation to retain a steel nut over an aluminium one for a camshaft drive, citing difficulty in threading aluminium. | 22th Oct 1917 | Box 37 \ 4 scan 063 | |
| Experiment memo regarding an aluminium camshaft drive lower nut for the Eagle engine. | 25th Jun 1917 | Box 37 \ 4 scan 064 | |
| Chasing outstanding prints of drawings. | 25th Jun 1917 | Box 37 \ 4 scan 065 | |
| Experimental water outlet pipes for Eagle and Falcon engines, referencing blueprint Lec.813. | 27th Jun 1917 | Box 37 \ 4 scan 066 | |
| 'Falcon' Water Outlet Pipes. | 10th Jul 1917 | Box 37 \ 4 scan 067 | |
| To Mr. Clark from RHC seeking confirmation on the cancellation of Falcon water outlet pipes. | 13th Sep 1917 | Box 37 \ 4 scan 068 | |
| List of experiments to be incorporated into the 100 hours endurance test of the experimental Falcon 'B' engine. | 21th Jun 1917 | Box 37 \ 4 scan 069 | |
| Modification of Eagle engines for use in seaplanes. | 21th Jun 1917 | Box 37 \ 4 scan 070 | |
| From 'E' detailing a discussion with Mr. Royce regarding modifications to the Eagle engine for seaplane work. | 25th Jun 1917 | Box 37 \ 4 scan 071 | |
| Recommendation on the power output and testing of Eagle engines for seaplanes. | 29th Jun 1917 | Box 37 \ 4 scan 072 | |
| Letter to the Air Board Office suggesting a trial of the 'Eagle' engine on a seaplane. | 5th Jul 1917 | Box 37 \ 4 scan 073 | |
| Cancelled experiment to determine the carburetter throat size on 1001 engines to give 330 HP | 24th Jul 1917 | Box 37 \ 4 scan 074 | |
| Proposed design for an inverted 12-cylinder vee engine, focusing on component placement. | 23th Jun 1917 | Box 37 \ 4 scan 075 | |
| New air pump for the Falcon X engine, comparing its performance and modifications. | 22th Jun 1917 | Box 37 \ 4 scan 076 | |
| Relief valve design and placement to manage tank pressure and prevent breakdowns. | 9th Aug 1917 | Box 37 \ 4 scan 077 | |
| Blueprint LeC.824 for a new increased capacity air pump for the Falcon engine. | 25th Jun 1917 | Box 37 \ 4 scan 078 | |
| To halt work on the E.8804 Air Pump and introduce a new pump for the 'Falcon' engine from serial number 501 onward. | 26th Jun 1917 | Box 37 \ 4 scan 079 | |
| Mr. Royce's instructions on the use of new air pumps for Falcon and Eagle engine repairs. | 2nd Jul 1917 | Box 37 \ 4 scan 080 | |
| Instruction to bring in an air pump for the Falcon Engine from series 501 onwards. | 4th Jul 1917 | Box 37 \ 4 scan 081 | |
| The manufacture of a set of parts for a 'Falcon' engine air pump for experimental testing. | 4th Jul 1917 | Box 37 \ 4 scan 082 | |
| Increased capacity air pump for 'Falcon' B engines. | 7th Jul 1917 | Box 37 \ 4 scan 083 | |
| Requesting an order for a list of parts for the Falcon Engine air pump. | 9th Jul 1917 | Box 37 \ 4 scan 084 | |
| Alterations to parts for the Falcon Engine Air Pump for experimental purposes at Mr. Royce's request. | 9th Jul 1917 | Box 37 \ 4 scan 085 | |
| Cover memo forwarding a copy of another document regarding the 'Falcon' engine air pump. | 10th Jul 1917 | Box 37 \ 4 scan 086 | |
| The Falcon Engine Air Pump and the issuance of prints to the Experimental Dept. Stores. | 10th Jul 1917 | Box 37 \ 4 scan 087 | |
| 'Falcon' Engine Air Pump, noting a related memo and the issuance of a print. | 10th Jul 1917 | Box 37 \ 4 scan 088 | |
| Record of a telephone conversation with Captain Briggs regarding the supply of relief valves for air pumps. | 10th Jul 1917 | Box 37 \ 4 scan 089 | |
| Engine pump upgrades for Eagle/Falcon engines and petrol lifting systems. | 12th Jun 1917 | Box 37 \ 4 scan 090 | |
| Upton Lewis machine test results and fracture diagrams for Magnalium metal. | 12th Jun 1917 | Box 37 \ 4 scan 091 | |
| Test results diagram and material composition for Levitt Metal. | 12th Jun 1917 | Box 37 \ 4 scan 092 | |
| Material fatigue test record for an aluminum alloy, conducted on an Upton Lewis Machine. | 2nd Jun 1917 | Box 37 \ 4 scan 093 | |
| Test specifications for an Aluminum Copper Antimony alloy, including material composition and test parameters. | 5th Jun 1917 | Box 37 \ 4 scan 094 | |
| Test record for Miralite metal conducted on an Upton-Lewis machine, detailing material composition and test parameters. | 12th Feb 1917 | Box 37 \ 4 scan 095 | |
| Test report for a Magnalium sample on an Upton Lewis Machine, converted by Messrs Blackwell. | 4th Jul 1917 | Box 37 \ 4 scan 096 | |
| Test results and fracture diagrams for a Magnalium sample from an Upton Lewis Machine. | 4th Jul 1917 | Box 37 \ 4 scan 097 | |
| Test report from an Upton Lewis machine on Royal Aircraft Factory Piston Alloy B4, showing test parameters and resulting diagrams. | 1st Jul 1917 | Box 37 \ 4 scan 098 | |
| Confirmation of a telegram to expedite single valve pumps for American Eagle and Falcon engines. | 11th Jul 1917 | Box 37 \ 4 scan 099 | |
| Progress report on the single valve air pump and relief valve. | 14th Aug 1917 | Box 37 \ 4 scan 100 | |
| The progress and testing of a single valve air pump and separate relief valve. | 1st Aug 1917 | Box 37 \ 4 scan 101 | |
| List of experiments to be incorporated into the 100 hours endurance test of the experimental Falcon 'B' engine. | 21th Jun 1917 | Box 37 \ 4 scan 102 | |
| List of experiments to be incorporated into the 100-hour endurance test of the experimental Falcon 'B' engine. | 21th Jun 1917 | Box 37 \ 4 scan 103 | |
| Cancellation notice for experiment X.3099 on an air pump, superceded by a new horizontal type. | 3rd Jan 1918 | Box 37 \ 4 scan 104 | |
| Series of tests to be carried out on a range of aluminium alloys. | 9th May 1917 | Box 37 \ 4 scan 105 | |
| Proposal for a scheme of tests on alloys, detailing the types of tests and specifications for test pieces. | 15th Feb 1916 | Box 37 \ 4 scan 106 | |
| Instructions for conducting specific gravity and Brinell tests on various alloys and compiling a comparative report. | 15th Feb 1916 | Box 37 \ 4 scan 107 | |
| To Mr. Clark detailing the dispatch of 12 test pieces of Miralite to Mr. Purdon. | 17th May 1917 | Box 37 \ 4 scan 108 | |
| To Mr. Clark regarding 12 test pieces of Mirallite sent to Mr. Purdon. | 17th May 1917 | Box 37 \ 4 scan 109 | |
| To Mr. Clark regarding the dispatch of 30 stamped test pieces to Mr. Purdon. | 19th May 1917 | Box 37 \ 4 scan 110 | |
| Dispatch of nine stamped test pieces to Mr. Purdon. | 24th May 1917 | Box 37 \ 4 scan 111 | |
| To Mr. Clark regarding the dispatch of tensile and Upton Lewis test pieces to Mr. Purdom. | 25th May 1917 | Box 37 \ 4 scan 112 | |
| To Mr. Clark regarding the dispatch of stamped test pieces. | 30th May 1917 | Box 37 \ 4 scan 113 | |
| Request to the tracing department for diagrams of various aluminium alloys tested on an Upton Lewis machine. | 4th Jun 1917 | Box 37 \ 4 scan 114 | |
| Page 2 of a document detailing the percentage composition of a material. | 23th Jun 1917 | Box 37 \ 4 scan 115 | |
| List detailing the composition of eight different aluminium alloys for testing purposes. | 23th Jun 1917 | Box 37 \ 4 scan 116 | |
| Table of test results for various alloys, including Stanton Test figure, Specific Gravity, and Hardness Test. | 9th May 1917 | Box 37 \ 4 scan 117 | |
| Test results from an Upton Lewis Machine for a standard piston alloy, showing fracture points. | 12th Jun 1917 | Box 37 \ 4 scan 118 | |
| Test results from an Upton Lewis machine for a special piston metal alloy. | 12th Jun 1917 | Box 37 \ 4 scan 119 | |
| Fatigue test results for a standard crankcase alloy using an Upton Lewis machine. | 12th Jun 1917 | Box 37 \ 4 scan 120 | |
| Outlining the required tests for an R.A.F. proposed aluminum alloy. | 29th Jun 1917 | Box 37 \ 4 scan 121 | |
| Sending 24 test pieces to stores and requesting a number for an R.A.F. alloy. | 2nd Jul 1917 | Box 37 \ 4 scan 122 | |
| To Mr. Clark regarding 12 test pieces sent to Mr. Coverley. | 4th Jul 1917 | Box 37 \ 4 scan 123 | |
| Specific gravity test results for two samples of Magnalium metal. | 11th Jul 1917 | Box 37 \ 4 scan 124 | |
| Test results for various aluminium alloys, including Stanton, Upton Lewis, Specific Gravity, and Brinell tests. | 27th Jul 1917 | Box 37 \ 4 scan 125 | |
| Page noting that tensile tests are delayed pending the arrival of a new heating coil. | 1st Aug 1917 | Box 37 \ 4 scan 126 | |
| Accompanying the Upton Lewis Test Record for the R.A.F.B.4. Piston Alloy. | 1st Aug 1917 | Box 37 \ 4 scan 127 | |
| Complete set of tests to be conducted on a range of eight different aluminium alloys. | 9th May 1917 | Box 37 \ 4 scan 128 | |
| Proposed scheme of tests for various alloys, detailing test types, procedures, and specifications for test pieces with a diagram. | 15th Feb 1916 | Box 37 \ 4 scan 129 | |
| Instructions for material testing of various alloys, including specific gravity, porosity, and hardness tests, and a request for a comprehensive report. | 15th Feb 1916 | Box 37 \ 4 scan 130 | |
| Requesting confirmation that instructions for tests on Aluminium Alloys have been issued. | 15th May 1917 | Box 37 \ 4 scan 131 | |
| Confirming instructions to conduct tests on various Aluminium Alloys. | 17th May 1917 | Box 37 \ 4 scan 132 | |
| The dispatch of 12 'Mirallite' test pieces for tensile, Upton-Lewis, and Stantom tests. | 17th May 1917 | Box 37 \ 4 scan 133 | |
| Instruction sheet detailing the results of a Brinell hardness test on various components. | 7th Jun 1917 | Box 37 \ 4 scan 134 | |
| The composition of eight different aluminium alloys for testing. | 23th Jun 1917 | Box 37 \ 4 scan 135 | |
| Table of alloy test results showing Stanton Test figures, Specific Gravity, and Hardness Test values. | 9th Aug 1917 | Box 37 \ 4 scan 136 | |
| Instruction sheet detailing Specific Gravity and Brinell hardness test results. | 26th Jun 1917 | Box 37 \ 4 scan 137 | |
| The results of Stanton, Specific Gravity, and Brinell Hardness tests on aluminium alloys. | 26th Jun 1917 | Box 37 \ 4 scan 138 | |
| Outlining the required tests for an R.A.F. proposed aluminium alloy. | 29th Jun 1917 | Box 37 \ 4 scan 139 | |
| Instruction sheet for 12 test pieces stamped 'A F' to be sent to Mr. Coverley. | 4th Jul 1917 | Box 37 \ 4 scan 140 | |
| Specific gravity test results for two samples of Magnalium metal. | 11th Jul 1917 | Box 37 \ 4 scan 141 | |
| Laboratory instruction sheet detailing Brinell test results and specific gravity for various alloys. | 27th Jul 1914 | Box 37 \ 4 scan 142 | |
| Request for specific gravity and Brinell hardness test figures for aluminium alloys. | 27th Jul 1917 | Box 37 \ 4 scan 143 | |
| Test results for various aluminium alloys including Stanton, Upton Lewis, Specific Gravity, and Brinell tests. | 27th Jul 1917 | Box 37 \ 4 scan 144 | |
| Report page stating that tensile tests have been delayed pending a new heating coil. | 14th May 1917 | Box 37 \ 4 scan 145 | |
| List of experimental parts fitted to the 'A' Engine, with a test result for the propeller shaft. | 14th May 1917 | Box 37 \ 4 scan 146 | |
| Destruction test of an epicyclic gear on an 'Eagle' engine. | 23th May 1917 | Box 37 \ 4 scan 147 | |
| Test report on the failure of an epicyclic gear's sun wheel carrier and testing of a low Stanton figure shaft. | 10th Jul 1917 | Box 37 \ 4 scan 148 | |
| 100-hour test report on a new camshaft drive and other experimental engine parts, detailing failures encountered. | 19th Jul 1917 | Box 37 \ 4 scan 149 | |
| Examination report on the condition of engine components following a test run. | 19th Jul 1917 | Box 37 \ 4 scan 150 | |
| Page 3 of a report describing a severe test on a comparatively cool piston. | 14th May 1917 | Box 37 \ 4 scan 151 | |
| Experimental parts fitted to the 'A' Engine. | 14th May 1917 | Box 37 \ 4 scan 152 | |
| Destruction test conducted on an epicyclic gear for an Eagle engine. | 23th May 1917 | Box 37 \ 4 scan 153 | |
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