| Description | Date | Identifier | |
| Diagram of an apparatus for investigating the contact breakers and magnetos. | 6th Feb 1917 | Box 36 \ 1 scan 093 | |
| Indicator Diagram Apparatus and the utility of its epicyclic gear. | 24th Mar 1917 | Box 36 \ 1 scan 094 | |
| Test and investigation records for high-speed contact breakers and magnetos. | 15th Feb 1916 | Box 36 \ 1 scan 095 | |
| Test report on a high-speed contact breaker. | 27th Apr 1917 | Box 36 \ 1 scan 096 | |
| Issues with a magneto, including friction, component fitment, and overheating due to suspected eddy currents. | 2nd May 1917 | Box 36 \ 1 scan 097 | |
| Preliminary report on a high-speed contact breaker test, noting spark performance and issues at various speeds. | 2nd May 1917 | Box 36 \ 1 scan 098 | |
| Troubleshooting ignition magneto and distributor issues causing a false image. | 15th Mar 1916 | Box 36 \ 1 scan 099 | |
| The endurance testing of magneto, distributor, and cam components on Falcon and Eagle engines. | 3rd May 1917 | Box 36 \ 1 scan 100 | |
| Ignition issues with the 'Falcon' engine, covering contact breaker performance at high revs and preparations for spark vision tests. | 15th Feb 1916 | Box 36 \ 1 scan 101 | |
| Cover note for a list of outstanding work to be done on a contact breaker. | 8th Jun 1917 | Box 36 \ 1 scan 102 | |
| List of magneto experiments arranged by urgency, detailing tests on various contact breakers and components. | 9th Jun 1917 | Box 36 \ 1 scan 103 | |
| Instructions for an electrical test on a Z.A.2 component and a request for a new lubricated cam for a Z.R.6. | 29th Jun 1917 | Box 36 \ 1 scan 104 | |
| Progress on a list of magneto experiments, including delays and the setup of a new test. | 12th Jun 1917 | Box 36 \ 1 scan 105 | |
| Delays with a contact breaker for magneto experiments and requesting its delivery for inspection. | 15th Jun 1917 | Box 36 \ 1 scan 106 | |
| Investigation into the contact breaker motion of a Dixie Model 20 motorcycle magneto at high speeds, including a diagram of the test setup. | 22th Jun 1917 | Box 36 \ 1 scan 107 | |
| The motion of a Dixie contact breaker, tested up to 6500 RPM, with an accompanying diagram. | 22th Jun 1917 | Box 36 \ 1 scan 108 | |
| The motion and performance of a contact breaker mechanism at various speeds. | 22th Jun 1917 | Box 36 \ 1 scan 109 | |
| Test report on the wear and performance of a magneto over an extended run, noting measurements and observations. | 30th Jun 1917 | Box 36 \ 1 scan 110 | |
| Cover memo for reports on the testing of Bosch Z.A.2 two-cylinder motorcycle magnetos. | 30th Jun 1917 | Box 36 \ 1 scan 111 | |
| Investigation of contact breaker motion on a Bosch Z.A.2 two-cylinder motor cycle type magneto. | 30th Jun 1917 | Box 36 \ 1 scan 112 | |
| Test report detailing arcing issues with a contact breaker at various engine speeds. | 30th Jun 1917 | Box 36 \ 1 scan 113 | |
| The behavior of a fibre block and contact gap at different engine speeds, with diagrams. | 30th Jun 1917 | Box 36 \ 1 scan 114 | |
| Diagram and explanation of the path of platinum points within a circular component. | 30th Jun 1917 | Box 36 \ 1 scan 115 | |
| Magneto duration test which resulted in a broken rocker arm and spring, including a table of minimum firing speeds. | 15th Feb 1917 | Box 36 \ 1 scan 116 | |
| Modifications to the 'Eagle' and 'Falcon' valve spring washers. | 15th Feb 1917 | Box 36 \ 1 scan 117 | |
| Broken washer and potential improvements to engine jackets following an Admiralty test of a sixth series engine. | 15th Feb 1917 | Box 36 \ 1 scan 118 | |
| List of experiments fitted to the Eagle Experimental A Engine. | 25th Apr 1917 | Box 36 \ 1 scan 119 | |
| Technical note on improved valve spring washers for the 'Eagle' engine. | 23th May 1917 | Box 36 \ 1 scan 120 | |
| Instruction to issue prints for a set of improved valve spring washer parts for testing on Falcon engines. | 25th May 1917 | Box 36 \ 1 scan 121 | |
| The fitting of new valve spring washers for an Experimental Eagle 'E' Engine endurance test. | 22th Jun 1917 | Box 36 \ 1 scan 122 | |
| Cancellation notice for experiment X.2925 on improved valve spring washers. | 24th Aug 1917 | Box 36 \ 1 scan 123 | |
| The failure of valve spring caps during engine and test rig trials. | 24th Aug 1917 | Box 36 \ 1 scan 124 | |
| Instruction memo to manufacture and test a modified set of 12 washers for an 'Eagle' engine valves and fittings jumping test. | 28th Aug 1917 | Box 36 \ 1 scan 125 | |
| Requesting the creation of 12 modified washers for a jumping test on an 'Eagle' engine's valves and fittings. | 29th Aug 1917 | Box 36 \ 1 scan 126 | |
| Urgent testing of stronger valve spring washers for Eagle and Falcon engines. | 3rd Sep 1917 | Box 36 \ 1 scan 127 | |
| Shorter valve springs to suit stronger washers, referencing an attached drawing. | 4th Sep 1917 | Box 36 \ 1 scan 128 | |
| The suitability of existing Falcon engine valve spring washers for increased speeds. | 6th Aug 1917 | Box 36 \ 1 scan 129 | |
| Instructions for experiments to be included in the endurance test of the Experimental Falcon 'B' Engine. | 21th Jun 1917 | Box 36 \ 1 scan 130 | |
| The testing of Eagle valve gear components. | 15th Sep 1917 | Box 36 \ 1 scan 131 | |
| Continued note discussing issues with a batch of valves from the supplier Linotype which have poor threads. | 17th Sep 1917 | Box 36 \ 1 scan 132 | |
| Stronger washer and shorter spring for 'Falcon' engine valves. | 17th Sep 1917 | Box 36 \ 1 scan 133 | |
| Design of tapered valve stem tops for Eagle and Falcon engines and the procedure for holding the valve during maintenance. | 18th Sep 1917 | Box 36 \ 1 scan 134 | |
| Failures of split pins in the Eagle 8 valve gear and testing alternative solutions. | 18th Sep 1917 | Box 36 \ 1 scan 135 | |
| Procedure and tooling for changing springs or washers on 'Eagle' & 'Falcon' valves. | 20th Sep 1917 | Box 36 \ 1 scan 136 | |
| Valve test rig for the Eagle Valve Gear, detailing issues with springs, split pins, and rivets. | 26th Sep 1917 | Box 36 \ 1 scan 137 | |
| Test report on the 3rd Series Falcon valve gear detailing component failures. | 9th Feb 1917 | Box 36 \ 1 scan 138 | |
| Instructions regarding the testing and fitting of various valve spring washers for the Eagle engine. | 5th Oct 1917 | Box 36 \ 1 scan 139 | |
| The conversion of an experimental C2 engine into an Eagle 8 type, listing the new parts used. | 5th Oct 1917 | Box 36 \ 1 scan 140 | |
| Confirming the completion of an experiment on strengthened valve spring washers. | 8th Oct 1917 | Box 36 \ 1 scan 141 | |
| The satisfactory performance of improved valve spring washers fitted to Falcon engines. | 28th Dec 1917 | Box 36 \ 1 scan 142 | |
| Follow-up memo chasing a response regarding thin valves for Falcon engines. | 8th Mar 1918 | Box 36 \ 1 scan 143 | |
| The failure of Condor valve spring washers during high-speed testing. | 23th Nov 1927 | Box 36 \ 1 scan 144 | |
| Analysis of component failure in a spring and washer assembly, including hardness test results and proposed modifications. | 22th Nov 1927 | Box 36 \ 1 scan 145 | |
| Drawing of a Condor Tee spring washer, indicating a fracture point. | 22th Nov 1927 | Box 36 \ 1 scan 146 | |
| Faded document with a red ink stamp from the Print Room. | 23th Nov 1927 | Box 36 \ 1 scan 147 | |
| The failure analysis of valve spring washers, focusing on Brinell hardness. | 26th Nov 1927 | Box 36 \ 1 scan 148 | |
| The manufacturing process for washers, comparing the use of heat-treated bar versus post-machining heat treatment. | 25th Nov 1927 | Box 36 \ 1 scan 149 | |
| The strength and potential failure of a Condor Valve Spring Washer. | 28th Nov 1927 | Box 36 \ 1 scan 150 | |
| Letter chasing up corrected consumption figures for the 190 HP engine curves for the Admiralty. | 27th Nov 1916 | Box 36 \ 2 scan 001 | |
| Results of a twenty-hour endurance test on a Falcon engine. | 27th Nov 1916 | Box 36 \ 2 scan 002 | |
| Follow-up report on a burnt valve caused by overheating from an ignition plug, awaiting confirmation from an Admiralty Inspector. | 1st Feb 1916 | Box 36 \ 2 scan 003 | |
| Test department figures for Falcon engine powers, consumptions, and efficiencies (uncorrected). | 1st Feb 1916 | Box 36 \ 2 scan 004 | |
| Powers, consumptions, and efficiencies test data for the Falcon engine. | 24th Jan 1917 | Box 36 \ 2 scan 005 | |
| Performance data sheet for a Falcon engine, detailing powers, consumptions, and efficiencies at various speeds. | 15th Feb 1916 | Box 36 \ 2 scan 006 | |
| Data table showing powers, consumptions, and efficiencies for the Falcon engine. | 10th Feb 1916 | Box 36 \ 2 scan 007 | |
| Powers, consumptions, and efficiencies data table for Falcon Engines, Series 1. | 10th May 1916 | Box 36 \ 2 scan 008 | |
| Dynamometer test results for a 190 HP engine, showing Power Curve and Throttle Curve data. | 15th Feb 1915 | Box 36 \ 2 scan 009 | |
| Test Department figures for a 190 HP engine, detailing power and throttle curve data. | 15th Feb 1916 | Box 36 \ 2 scan 010 | |
| Test results for an experimental 190 HP engine before despatch to Farnborough. | 16th Feb 1916 | Box 36 \ 2 scan 011 | |
| Throttle curve data for a Falcon engine from two different dynamometer tests. | 20th Apr 1917 | Box 36 \ 2 scan 012 | |
| Providing figures for plotting power curves for the Eagle and Falcon engines. | 20th Apr 1917 | Box 36 \ 2 scan 013 | |
| Power and consumption curves for Series 6 'Eagle' and Series 1 'Falcon' engines. | 15th Feb 1916 | Box 36 \ 2 scan 014 | |
| Table of figures showing powers, consumptions, and efficiencies for the 'Falcon' engine. | 15th Feb 1918 | Box 36 \ 2 scan 015 | |
| Comparative table of power and consumption data for various series of Eagle engines. | 2nd May 1917 | Box 36 \ 2 scan 016 | |
| Official testing requirements for increased horsepower engines. | 4th Jun 1917 | Box 36 \ 2 scan 017 | |
| Urgent update regarding the testing of the type 2-Falcon engine. | 15th Feb 1916 | Box 36 \ 2 scan 018 | |
| Routine tests for increased horsepower on Series 2 Falcon engines. | 13th Jun 1917 | Box 36 \ 2 scan 019 | |
| Modifying and standardizing aero engine endurance test routines. | 15th Sep 1916 | Box 36 \ 2 scan 020 | |
| Letter from the Aeronautical Inspection Department detailing the acceptance test procedure for Series 2 Falcon Engines. | 7th Jun 1917 | Box 36 \ 2 scan 021 | |
| Request for a horsepower chart for a Series 1 Falcon engine. | 19th Jun 1917 | Box 36 \ 2 scan 022 | |
| Request for average power and consumption figures for the Series 2 'Falcon' engine to construct performance curves. | 20th Jun 1917 | Box 36 \ 2 scan 023 | |
| Confirming a blueprint of the HP Chart for the Series 1 Falcon Engine has been sent. | 1st Jun 1917 | Box 36 \ 2 scan 024 | |
| Delay in obtaining performance and consumption curves for the Series 2 - 250 HP Falcon engine. | 26th Jun 1917 | Box 36 \ 2 scan 025 | |
| Table of engine fuel consumption (EFC) data at various RPMs and horsepower outputs. | 26th Jun 1917 | Box 36 \ 2 scan 026 | |
| Dynamometer test data for a Series 1 Falcon engine, showing powers, consumptions, and efficiencies. | 26th Jun 1917 | Box 36 \ 2 scan 027 | |
| Performance data table showing powers, consumptions, and efficiencies for the Falcon Engines Series 2. | 26th Jun 1917 | Box 36 \ 2 scan 028 | |
| Dynamometer test results showing powers, consumptions, and efficiencies for Series 1 'Falcon' engines. | 26th Jun 1917 | Box 36 \ 2 scan 029 | |
| Performance data table for Falcon Series 2 engines showing powers, consumptions, and efficiencies at various speeds. | 6th Jul 1917 | Box 36 \ 2 scan 030 | |
| Confidential letter discussing propeller efficiency, direct drive, and the performance of 'Hispano Suiza' and 'Falcon' engines. | 6th Jul 1917 | Box 36 \ 2 scan 031 | |
| Letter from Martinsyde Ltd. detailing engine fuel consumption test results at 14,000 ft. | 6th Jul 1917 | Box 36 \ 2 scan 032 | |
| Blueprints for power and consumption curves of Falcon engines. | 18th Jul 1917 | Box 36 \ 2 scan 033 | |
| Incorrect blueprints for the Falcon Engine, requesting the correct Series II versions. | 21th Jul 1917 | Box 36 \ 2 scan 034 | |
| Mistake with the Power and Consumption curves for the Falcon Engine. | 21th Jul 1917 | Box 36 \ 2 scan 035 | |
| Distributing a blueprint of power and consumption curves for Series 2 Falcon engines. | 26th Jul 1917 | Box 36 \ 2 scan 036 | |
| Request for reduced scale photostats of power curves for filing, while continuing to send blueprints to Mr. Royce for decoration. | 8th Sep 1917 | Box 36 \ 2 scan 037 | |
| Engine dynamometer and throttled-down test results for a 3rd series Super Falcon engine. | 8th Sep 1917 | Box 36 \ 2 scan 038 | |
| Instruction sheet with a performance data table for a Falcon HP engine with Standard and Condor pipes. | 7th Feb 1917 | Box 36 \ 2 scan 039 | |
| Comparison table of Brake Horse Power for various series of the 'Falcon' engine at different RPMs. | 26th Jan 1917 | Box 36 \ 2 scan 040 | |
| Table comparing the fuel consumptions of various series of 'Falcon' engines. | 26th Apr 1917 | Box 36 \ 2 scan 041 | |
| Table of comparative fuel consumptions for various series of the 'Falcon' engine at different RPMs. | 26th Apr 1917 | Box 36 \ 2 scan 042 | |
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