| Description | Date | Identifier | |
| Composition and delivery status of aluminium alloy pistons. | 4th Oct 1917 | Box 37 \ 3 scan 092 | |
| Requesting a progress report on three experiments related to pistons with false crowns. | 15th Oct 1917 | Box 37 \ 3 scan 093 | |
| Different piston specifications and casting methods. | 8th Oct 1917 | Box 37 \ 3 scan 094 | |
| Letter regarding the life, alloy composition, and design improvements of aluminium pistons. | 28th Feb 1918 | Box 37 \ 3 scan 095 | |
| Piston design and the necessity of using aluminium pistons in high-speed aero engines. | 28th Feb 1918 | Box 37 \ 3 scan 096 | |
| Listing a series of cancelled experiments on pistons and crankcases. | 5th Jun 1918 | Box 37 \ 3 scan 097 | |
| Technical instruction on correcting Brake Horse Power (B.HP) for atmospheric temperature and pressure. | 3rd Sep 1917 | Box 37 \ 3 scan 098 | |
| Instructions on the correct procedure for taking temperature readings in a test house. | 15th Sep 1917 | Box 37 \ 3 scan 099 | |
| Correction table for Aero Engine B.HP to standard pressure based on barometer readings. | 15th Sep 1917 | Box 37 \ 3 scan 100 | |
| Calculation of a correction table based on standard temperature and pressure. | 9th Aug 1917 | Box 37 \ 3 scan 101 | |
| Calculations for five distinct cases of engine performance correction factors. | 9th Aug 1917 | Box 37 \ 3 scan 102 | |
| Calculations for five correction factors labelled A to E. | 9th May 1917 | Box 37 \ 3 scan 103 | |
| Table showing the variation of atmospheric pressure and the boiling point of water with altitude. | 18th Mar 1916 | Box 37 \ 3 scan 104 | |
| Reference sheet detailing conversions for standard atmospheric pressure. | 8th Sep 1917 | Box 37 \ 3 scan 105 | |
| Preparing a table of corrections for horsepower based on atmospheric temperature and pressure. | 8th Sep 1917 | Box 37 \ 3 scan 106 | |
| Method for correcting aero engine ground brake horsepower (B.HP) for variations in atmospheric temperature and pressure. | 11th Feb 1916 | Box 37 \ 3 scan 107 | |
| Page 2 of a document detailing the mathematical derivation of a formula for the percentage correction to Indicated Horse Power (I.HP). | 11th Feb 1916 | Box 37 \ 3 scan 108 | |
| Page detailing calculations for correcting Indicated Horsepower (I.HP) and its relation to Brake Horsepower (B.HP). | 9th Aug 1917 | Box 37 \ 3 scan 109 | |
| Page of calculations for a percentage correction to Brake Horsepower (B.HP). | 9th Aug 1917 | Box 37 \ 3 scan 110 | |
| Letter to a tester about recording engine revs, considering barometric pressure and tappet adjustments. | 13th Sep 1917 | Box 37 \ 3 scan 111 | |
| Typed letter discussing engine performance, personnel handling, and speed figures. | 21th Sep 1917 | Box 37 \ 3 scan 112 | |
| Formula to correct aero engine ground brake horsepower for atmospheric temperature and pressure variations. | 21th Sep 1917 | Box 37 \ 3 scan 113 | |
| Continued note on atmospheric temperature correction during power tests, with a comparative data table. | 3rd Sep 1917 | Box 37 \ 3 scan 114 | |
| Technical instruction on the formula for correcting Brake Horse Power (B.HP) for atmospheric temperature and pressure. | 3rd Sep 1917 | Box 37 \ 3 scan 115 | |
| Procedure for measuring test house temperature. | 9th Aug 1917 | Box 37 \ 3 scan 116 | |
| The formula for correcting aero engine ground B.HP for variations in atmospheric temperature and pressure. | 20th Sep 1917 | Box 37 \ 3 scan 117 | |
| Page 2 of a calculation to correct Indicated Horse Power (I.HP) for atmospheric conditions. | 20th Sep 1917 | Box 37 \ 3 scan 118 | |
| Page detailing formulas and examples for correcting Indicated and Brake Horsepower. | 20th Sep 1917 | Box 37 \ 3 scan 119 | |
| Page of calculations for the percentage correction to Brake Horse Power (B.HP). | 20th Sep 1917 | Box 37 \ 3 scan 120 | |
| Page showing the conclusion of a calculation for B.HP correction to a standard state. | 24th Sep 1917 | Box 37 \ 3 scan 121 | |
| Request for 10 blueprints of a table for correcting aero engine Brake Horsepower (B.HP) based on atmospheric variations. | 24th Sep 1917 | Box 37 \ 3 scan 122 | |
| Data table for correcting aero engine B.HP to standard pressure. | 15th Sep 1917 | Box 37 \ 3 scan 123 | |
| Correction of aero engine B.HP for atmospheric humidity. | 22th Oct 1917 | Box 37 \ 3 scan 124 | |
| Listing atmospheric factors needed to formulate the law of horsepower variation. | 13th Sep 1917 | Box 37 \ 3 scan 125 | |
| Instruction to a tester to record barometric readings as they have a marked effect on engine power. | 13th Sep 1917 | Box 37 \ 3 scan 126 | |
| Letter from the Air Board Office regarding the Upton Lewis Testing Machine and requesting results of conductivity tests on aluminium alloys. | 24th Aug 1917 | Box 37 \ 3 scan 127 | |
| The continual breaking of Magneto Fixing Lugs and a proposal for a replaceable steel design. | 28th Feb 1918 | Box 37 \ 3 scan 128 | |
| Strengthening of magneto brackets by increasing the lug thickness. | 28th Feb 1918 | Box 37 \ 3 scan 129 | |
| The risk of breaking a holding-down bolt by over-tightening or misusing a spanner. | 1st May 1918 | Box 37 \ 3 scan 130 | |
| 'Eagle' Engines Magneto Drive, Fittings and Brackets with Improved Lugs. | 1st May 1918 | Box 37 \ 3 scan 131 | |
| Instruction to the experimental department to manufacture and test magneto brackets with modified lugs for 'Eagle' engines. | 1st May 1918 | Box 37 \ 3 scan 132 | |
| Magneto drive and fittings for 'Eagle' engines, specifically magneto brackets with improved lugs. | 8th May 1918 | Box 37 \ 3 scan 133 | |
| Requesting the production of three test sets of Magneto Bracket 'B' units for 'Eagle' engines. | 16th May 1918 | Box 37 \ 3 scan 134 | |
| Issue of Magneto Drive & Fittings for 'Eagle' engines to the experimental department. | 19th Jul 1918 | Box 37 \ 3 scan 135 | |
| Experimental magneto bracket for the Eagle engine. | 24th Sep 1918 | Box 37 \ 3 scan 136 | |
| Experiment X.3293 on magneto brackets with improved lugs. | 15th Nov 1918 | Box 37 \ 3 scan 137 | |
| Experiment X.3293 on magneto brackets with improved lugs. | 13th Dec 1918 | Box 37 \ 3 scan 138 | |
| More secure method for attaching Eagle ignition wire tube clips and primer connections. | 19th Jun 1917 | Box 37 \ 4 scan 001 | |
| From EFC to By. chasing outstanding prints for several drawings. | 25th Jun 1917 | Box 37 \ 4 scan 002 | |
| Improved method of attaching ignition wire tubes to induction pipes to LeC. 822. | 3rd Sep 1917 | Box 37 \ 4 scan 003 | |
| The increase of magneto timing advance on increased HP engines to improve power. | 7th Jun 1917 | Box 37 \ 4 scan 004 | |
| Order of a set of Magneto Drive & Fittings for a 'Falcon' B Engine for testing purposes. | 22th Jun 1917 | Box 37 \ 4 scan 005 | |
| Magneto drive and fittings for the 'Falcon' 'B' Engine X. 3091. | 22th Jun 1917 | Box 37 \ 4 scan 006 | |
| Parts list for the magneto drive and fittings for the 'Falcon' 'B' engine. | 9th Aug 1917 | Box 37 \ 4 scan 007 | |
| Parts list for the magneto drive and fittings for the 'Falcon' 'B' engine. | 9th Aug 1917 | Box 37 \ 4 scan 008 | |
| New Intermediate Shaft for the 'Falcon' 'B' engine wheelcase and gears. | 22th Jun 1917 | Box 37 \ 4 scan 009 | |
| Adjustment of magneto timing, proposing a new scheme with a four-jaw driving drum. | 21th Jun 1917 | Box 37 \ 4 scan 010 | |
| Proposal to adopt a new form of drive for the 'Eagle' and 'Falcon' engines, referencing a memo from Mr. Bailey. | 18th May 1916 | Box 37 \ 4 scan 011 | |
| Cover memo forwarding a document regarding the magneto drive and fittings for the 'Falcon B' engine, X.3091. | 25th Jun 1917 | Box 37 \ 4 scan 012 | |
| The wheelcase and gears for the 'Falcon' Engine ('B'). | 26th Jun 1917 | Box 37 \ 4 scan 013 | |
| Standard Magneto Drive & Fittings for the 'Falcon' B engine from serial number 501 onwards. | 5th Jul 1917 | Box 37 \ 4 scan 014 | |
| Instructions concerning the Magneto Drive & Fittings for 'Falcon' and experimental 'B' engines. | 23th Jul 1917 | Box 37 \ 4 scan 015 | |
| Experimental parts incorporated into the 'FALCON' 'B' engine, now ready for testing. | 13th Sep 1917 | Box 37 \ 4 scan 016 | |
| Confirming satisfactory experiments on a Falcon B engine, making them standard for Series 3 engines. | 22th Oct 1917 | Box 37 \ 4 scan 017 | |
| Instruction to hold production of 'Falcon' engines to replace the Wheelcase Oil Jet with a shorter version. | 26th Jun 1917 | Box 37 \ 4 scan 018 | |
| Marked-up prints for the wheelcase and gears of a 'Falcon' 'B' engine X.3094. | 26th Jun 1917 | Box 37 \ 4 scan 019 | |
| Issuance of a final drawing for a Wheelcase part E.13919 for Falcon and Experimental 'B' engines. | 16th Aug 1917 | Box 37 \ 4 scan 020 | |
| Listing experimental parts incorporated into a Falcon 'B' engine for testing. | 9th Sep 1917 | Box 37 \ 4 scan 021 | |
| Satisfactory experiments on the Falcon B engine, making them standard for series 3 engines. | 22th Oct 1917 | Box 37 \ 4 scan 022 | |
| Instruction to trial the wheelcase ball bearing housing and oil pump towers in crankcase aluminium for the Eagle and Falcon engines. | 21th Jun 1917 | Box 37 \ 4 scan 023 | |
| Proposing the trial of aluminium instead of bronze for the wheelcase ball bearing housing and water & oil pump towers. | 21th Jun 1917 | Box 37 \ 4 scan 024 | |
| Instruction to manufacture a Falcon water pump drive tower in crankcase alloy aluminium for testing. | 2nd Jul 1917 | Box 37 \ 4 scan 025 | |
| Cover memo regarding two copies of a document about the 'Falcon' water pump drive tower. | 3rd Jul 1917 | Box 37 \ 4 scan 026 | |
| Requesting the manufacture of an Eagle engine's water pump drive tower in aluminium for testing. | 3rd Aug 1917 | Box 37 \ 4 scan 027 | |
| Water pump drive tower in aluminium for RE Eagle engines. | 13th Aug 1917 | Box 37 \ 4 scan 028 | |
| Issuing a new tracing for an experimental aluminium water pump drive tower for 'Eagle' engines. | 3rd Sep 1917 | Box 37 \ 4 scan 029 | |
| Issue of a print for an aluminium water pump drive tower for Eagle engines to the Experimental Department Stores. | 1st Sep 1917 | Box 37 \ 4 scan 030 | |
| List of experiments to be incorporated into the 100-hour endurance test of the experimental Falcon 'B' engine. | 28th Apr 1917 | Box 37 \ 4 scan 031 | |
| Instructions regarding an experimental aluminium water pump drive tower, noting a weight reduction of 44 lbs. | 3rd Oct 1917 | Box 37 \ 4 scan 032 | |
| To Mr. Clark detailing the conversion of an Experimental C2 Engine to an Eagle 8 type with a list of incorporated parts. | 5th Oct 1917 | Box 37 \ 4 scan 033 | |
| List of suggested parts to be fitted to an Eagle engine for a 100-hour test. | 12th Oct 1916 | Box 37 \ 4 scan 034 | |
| Fitting new aluminium water and oil pump drive towers to an Eagle 'G' engine for a 100-hour endurance test. | 18th Feb 1918 | Box 37 \ 4 scan 035 | |
| List of experiments fitted to the Experimental 'G' Engine, which is now ready for testing. | 14th Mar 1918 | Box 37 \ 4 scan 036 | |
| On fitting aluminium oil and water pump drive towers to experimental engines. | 11th Apr 1918 | Box 37 \ 4 scan 037 | |
| Instruction to trial manufacturing wheelcase ball bearing housings and pump towers in aluminium for Eagle and Falcon engines. | 21th Jun 1917 | Box 37 \ 4 scan 038 | |
| Instruction to trial wheelcase ball bearing housings and pump towers in aluminium for the Eagle and Falcon engines. | 21th Jun 1917 | Box 37 \ 4 scan 039 | |
| Instruction to cast one set of a 'Falcon' Oil Pump Drive Tower in crankcase alloy aluminium for testing. | 2nd Jul 1917 | Box 37 \ 4 scan 040 | |
| 'Radcon' Oil Pump Drive Tower in Aluminium and the issuance of prints. | 3rd Jul 1917 | Box 37 \ 4 scan 041 | |
| Instruction to manufacture one set of 'Eagle' engine oil pump drive parts in aluminium for testing. | 3rd Aug 1917 | Box 37 \ 4 scan 042 | |
| Eagle Engine's oil pump drive tower and housing being made in aluminium. | 13th Aug 1917 | Box 37 \ 4 scan 043 | |
| The manufacturing of 'Eagle' engine oil pump parts in aluminium for testing. | 3rd Aug 1917 | Box 37 \ 4 scan 044 | |
| Issuing new tracings for the 'Eagle' engine's oil pump drive components made of aluminium. | 25th Aug 1917 | Box 37 \ 4 scan 045 | |
| Eagle engines oil pump drive tower and housing in aluminium. | 30th Aug 1917 | Box 37 \ 4 scan 046 | |
| Endurance test instructions for the experimental Falcon 'B' engine. | 26th Apr 1917 | Box 37 \ 4 scan 047 | |
| Experiment for an aluminium oil pump tower fitted to an Eagle experimental E2 engine. | 8th Oct 1917 | Box 37 \ 4 scan 048 | |
| List of suggested parts to be fitted to Eagle engines for a 100-hour run. | 2nd Jan 1918 | Box 37 \ 4 scan 049 | |
| Fitting aluminium water and oil pump drive towers to an Eagle 'C' engine for an endurance test. | 18th Feb 1918 | Box 37 \ 4 scan 050 | |
| List of experiments fitted to the Experimental 'G' Engine, now ready for testing. | 14th Mar 1918 | Box 37 \ 4 scan 051 | |
| The testing of 3-cylinder and 6-cylinder induction pipes for Eagle and Condor engines. | 23th Mar 1918 | Box 37 \ 4 scan 052 | |
| Tests conducted on six-cylinder pipes and carburetter configurations. | 23th Mar 1918 | Box 37 \ 4 scan 053 | |
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