| Description | Date | Identifier | |
| Listing attached documents concerning the design and performance of chassis dynamos. | 5th Oct 1920 | Box 37 \ 2 scan 095 | |
| General report on the testing of various dynamos, focusing on volt-speed and ampere-speed curves. | 10th Oct 1920 | Box 37 \ 2 scan 096 | |
| Report page comparing the performance characteristics and numerical particulars of Bosch and Liberty dynamos. | 5th Oct 1920 | Box 37 \ 2 scan 097 | |
| Specifications for machine windings and associated diagrams for various machines. | 5th Oct 1920 | Box 37 \ 2 scan 098 | |
| Experiments with dynamos and vibrator regulators for car electrical systems. | 25th Oct 1920 | Box 37 \ 2 scan 099 | |
| The 'Liberty' shunt wound dynamo, including weights and circuit specifications. | 7th Aug 1920 | Box 37 \ 2 scan 100 | |
| Specification details for an electrical armature, commutator, and brushes assembly. | 29th Dec 1933 | Box 37 \ 2 scan 101 | |
| Specifications for the dimensions and installation of four brushes and their holders. | 29th Dec 1933 | Box 37 \ 2 scan 102 | |
| Graph of open circuit volt-speed curves for various plain shunt wound dynamos under cold and hot conditions. | 22th Sep 1920 | Box 37 \ 2 scan 103 | |
| Graph of ampere output curves for various plain shunt wound dynamos under cold and hot conditions. | 25th Sep 1920 | Box 37 \ 2 scan 104 | |
| Optimal gear ratios and performance for a C.A.V. starter and a Liberty dynamo. | 22th Dec 1920 | Box 37 \ 2 scan 105 | |
| Wiring diagram for the Liberty Switchbox connections and the Liberty Dynamo end. | 9th Aug 1920 | Box 37 \ 2 scan 106 | |
| Wiring diagram for the connections of a Liberty Dynamo and Vibrator Regulator. | 28th Jan 1921 | Box 37 \ 2 scan 107 | |
| Comparison table of specifications for various shunt dynamos. | 28th May 1925 | Box 37 \ 2 scan 108 | |
| Analysis of the Liberty Dynamo and Regulator's operation, including a circuit diagram and notes on its characteristics. | 13th Aug 1929 | Box 37 \ 2 scan 109 | |
| The assembly and modification of 'Eagle' engine water pump parts for testing. | 3rd Jun 1918 | Box 37 \ 2 scan 110 | |
| Water pump modification test for the 'Eagle' engine, involving new joint facing cover washers. | 3rd Jun 1918 | Box 37 \ 2 scan 111 | |
| Arrangement of the Water Pump (Sheet 2) for 'Eagle' Engines. | 5th Jun 1918 | Box 37 \ 2 scan 112 | |
| Instruction standardizing the altered position of the water pump drain cock for 'Eagle' engines. | 7th Sep 1919 | Box 37 \ 2 scan 113 | |
| Alteration notice for the Drain Cock Body and Locking Washer on Falcon & Eagle engines. | 30th Oct 1918 | Box 37 \ 2 scan 114 | |
| Mostly blank document with a 'Print Room' stamp in the bottom right corner. | 4th Oct 1917 | Box 37 \ 2 scan 115 | |
| Confirming the handover of a drawing for a Petrol Venturi Meter and ordering two experimental units. | 4th Oct 1917 | Box 37 \ 2 scan 116 | |
| Testing a Venturi Petrol Flow Meter before ordering in quantity. | 6th Oct 1917 | Box 37 \ 2 scan 117 | |
| Instruction to manufacture and assemble parts for petrol flow meters for test houses, based on a blueprint. | 9th Oct 1917 | Box 37 \ 2 scan 118 | |
| Instruction memo regarding petrol flow meters for test houses. | 17th Oct 1917 | Box 37 \ 2 scan 119 | |
| Confirming experiments and requesting a smaller petrol venturi meter for test houses. | 12th Nov 1917 | Box 37 \ 2 scan 120 | |
| Testing of an R.A.F. petrol flowmeter and the development of a new Venturi-type meter using a copper sulphate solution. | 28th Nov 1917 | Box 37 \ 2 scan 121 | |
| The accuracy and faults of Venturi petrol flow meters for use in test houses. | 28th Nov 1917 | Box 37 \ 2 scan 122 | |
| Data table for a Venturi petrol flow meter with a mercury gauge, correlating manometer readings with flow rates. | 8th Dec 1917 | Box 37 \ 2 scan 123 | |
| Table of data comparing flow rate in pints per hour to manometer gauge level differences in inches. | 8th Dec 1917 | Box 37 \ 2 scan 124 | |
| Instructions for making and fixing parts for a petrol flow meter for 3 cylinders from blueprints. | 17th Dec 1917 | Box 37 \ 2 scan 125 | |
| Confirming the handover of production for an experimental 3-cylinder petrol venturi flow meter. | 24th Jan 1918 | Box 37 \ 2 scan 126 | |
| Requesting the production of two types of petrol venturi meters, X.3180A and X.3180B. | 29th Jan 1918 | Box 37 \ 2 scan 127 | |
| The satisfactory performance of a new petrol flow meter and the decision to requisition it for test houses. | 6th May 1918 | Box 37 \ 2 scan 128 | |
| Demand for a water circulation flow meter for engine testing and the consideration of a patent. | 26th Apr 1917 | Box 37 \ 2 scan 129 | |
| Instruction to proceed with building six petrol Venturi meter boards for the Test Houses. | 1st Feb 1918 | Box 37 \ 2 scan 130 | |
| Two specifications for a Venturi Flow Meter and outlining a potential claim for the company's own design. | 26th Feb 1918 | Box 37 \ 2 scan 131 | |
| The operation of a gauge for measuring petrol flow. | 28th Feb 1918 | Box 37 \ 2 scan 132 | |
| Data table for a Venturi Petrol Flow Meter using a CuSO4 gauge, correlating flow time with manometer readings. | 28th Feb 1918 | Box 37 \ 2 scan 133 | |
| Continuation page of test results showing time against manometer gauge level differences. | 14th Mar 1918 | Box 37 \ 2 scan 134 | |
| Notice stating that the petrol venturi meters experiment has been instructed as a production job. | 14th Mar 1918 | Box 37 \ 2 scan 135 | |
| Request for a report on the usefulness of a small 3-cylinder petrol Venturi meter. | 24th May 1918 | Box 37 \ 2 scan 136 | |
| Confirming the successful testing of a petrol venturi meter for 3-cylinder engines. | 6th Jun 1918 | Box 37 \ 2 scan 137 | |
| Experimentation and implementation of petrol Venturi flow meters for engine test houses. | 7th Jun 1918 | Box 37 \ 2 scan 138 | |
| Inability to produce petrol venturi flow meters in-house and suggesting they be outsourced. | 31th Aug 1918 | Box 37 \ 2 scan 139 | |
| Requesting literature or reports on petrol flowmeters. | 16th May 1919 | Box 37 \ 2 scan 140 | |
| Results and suitability of various types of petrol flow meters for aero engines. | 20th May 1919 | Box 37 \ 2 scan 141 | |
| Producing an accurate differential low-pressure gauge using a simple venturi type for reliable readings in horizontal flight. | 20th May 1919 | Box 37 \ 2 scan 142 | |
| Calculations for a petrol venturi meter, determining flow rates. | 2nd Jul 1919 | Box 37 \ 2 scan 143 | |
| Letter from the Ministry of Munitions of War regarding a flowmeter report and development. | 2nd Jul 1919 | Box 37 \ 2 scan 144 | |
| Confirming the availability of two A.I.D. Mark 4 Flowmeters for a 'Condor' Type Test. | 10th Oct 1919 | Box 37 \ 2 scan 145 | |
| Proposed experimental piston alloy and the need for testing before adoption. | 17th Sep 1917 | Box 37 \ 2 scan 146 | |
| Requesting the casting of experimental pistons made from an aluminium, copper, and magnesium alloy for testing. | 18th Sep 1917 | Box 37 \ 2 scan 147 | |
| The composition of two types of aluminium alloy pistons and an inquiry about their casting status. | 10th Oct 1917 | Box 37 \ 2 scan 148 | |
| Request for a progress report on three experiments involving pistons with false crowns and different alloys. | 15th Oct 1917 | Box 37 \ 2 scan 149 | |
| Specifications and manufacturing methods for three different types of pistons. | 8th Oct 1917 | Box 37 \ 2 scan 150 | |
| List of cancelled experiments relating to engine crankcases and pistons. | 5th Jun 1918 | Box 37 \ 2 scan 151 | |
| Requesting the production of an adapter for a wireless drive shaft to be used on Eagle engines. | 26th Sep 1917 | Box 37 \ 2 scan 152 | |
| Confirming the completion and dispatch of Wireless Drive Shaft Adapters. | 8th Oct 1917 | Box 37 \ 2 scan 153 | |
| Requesting a report on the suitability of wireless drive shaft adaptors. | 15th Oct 1917 | Box 37 \ 2 scan 154 | |
| Satisfactory fitting of a wireless drive adaptor by Faireys. | 19th Oct 1917 | Box 37 \ 2 scan 155 | |
| Letter from Joseph Stubbs, Limited concerning the supply of sample piston ring pot castings. | 5th Oct 1917 | Box 37 \ 2 scan 156 | |
| The testing of new, more elastic piston rings made from special metal pot castings. | 9th Oct 1917 | Box 37 \ 2 scan 157 | |
| Request to test new piston rings made of a special metal against existing standard rings. | 9th Oct 1917 | Box 37 \ 2 scan 158 | |
| Requesting an analysis of a special metal for piston rings received from Messrs. Stubbs. Ltd. | 12th Oct 1917 | Box 37 \ 2 scan 159 | |
| Chemical analysis report for special metal piston rings from Messrs Stubbs Ltd. | 18th Oct 1917 | Box 37 \ 2 scan 160 | |
| The analysis and experimental use of special metal piston rings from Joseph Stubbs Ltd. | 22th Oct 1917 | Box 37 \ 2 scan 161 | |
| Laboratory report on the chemical composition and physical properties of special metal piston rings from Stubbs Limited. | 18th Oct 1917 | Box 37 \ 2 scan 162 | |
| Query regarding pot castings and metal mixture for piston rings supplied by Messrs. Joseph Stubbs Ltd. | 2nd Nov 1917 | Box 37 \ 2 scan 163 | |
| From EFC to Mr. Hall requesting advice on altering the special metal mixture for piston rings from Messrs. J. Stubbs Ltd. | 5th Nov 1917 | Box 37 \ 2 scan 164 | |
| Instructions on the casting process and required material properties for piston ring metal. | 6th Nov 1917 | Box 37 \ 2 scan 165 | |
| The chemical composition of a material. | 5th Nov 1917 | Box 37 \ 2 scan 166 | |
| Urgent internal enquiry regarding the progress of piston rings in a special metal from Messrs. Joseph Stubbs Ltd. | 5th Nov 1917 | Box 37 \ 2 scan 167 | |
| Concerning piston rings and a lubricant chart, with handwritten notes about vehicle component checks. | 17th Nov 1931 | Box 37 \ 2 scan 168 | |
| Experimental results of special metal piston rings from Joseph Stubbs & Co. | 14th Nov 1917 | Box 37 \ 2 scan 169 | |
| Instructions regarding piston rings made from a special metal, noting the breakage percentage is the same as standard rings. | 19th Nov 1917 | Box 37 \ 2 scan 170 | |
| Summarizing reports on piston rings made from a special metal supplied by Messrs. J. Stubbs. | 20th Nov 1917 | Box 37 \ 2 scan 171 | |
| Acquisition and testing of steel for thrust bearings. | 26th Sep 1917 | Box 37 \ 2 scan 172 | |
| Notification of receipt of high carbon steel for ball thrust bearings from Messrs. Thos. Firth & Sons Ltd. | 3rd Dec 1917 | Box 37 \ 2 scan 173 | |
| Cover memo for instructions regarding an experiment on thrust bearing steel. | 3rd Jan 1918 | Box 37 \ 2 scan 174 | |
| Querying a stock discrepancy for steel required for thrust and roller bearings. | 27th Mar 1918 | Box 37 \ 2 scan 175 | |
| Requesting parts for the 'Eagle' engine carburetter petrol inlet pipe stays for the experimental department. | 26th Sep 1917 | Box 37 \ 2 scan 176 | |
| Cancellation notice for an experiment concerning the R.R.C.H. carburetter's petrol inlet pipe stays. | 1st Oct 1917 | Box 37 \ 2 scan 177 | |
| List of notable features for the Type H.C.7 carburettor. | 1st Feb 1917 | Box 37 \ 2 scan 178 | |
| Visit from H.M. Hobson Ltd. regarding their new 'Type H.C.7' carburetter. | 19th Sep 1917 | Box 37 \ 2 scan 179 | |
| Copy of a memo regarding obtaining four improved Claudel Hobson Carburetters for an 'Eagle' engine experiment. | 26th Sep 1917 | Box 37 \ 2 scan 180 | |
| The trial of a Claudel Hobson carburetter. | 26th Sep 1917 | Box 37 \ 2 scan 181 | |
| Letter to Messrs. H.M. Hobson Ltd. requesting to borrow Type H.C.7 carburettors for testing purposes on an 'Eagle' engine. | 5th Oct 1917 | Box 37 \ 2 scan 182 | |
| Letter from H.M. Hobson, Ltd. regarding the supply of H.C.7 carburetters for experimentation on an Eagle engine. | 8th Oct 1917 | Box 37 \ 2 scan 183 | |
| Formal order to Messrs. H.M. Hobson, Ltd. for two Type H.C.7 Carburetters. | 9th Oct 1917 | Box 37 \ 2 scan 184 | |
| Letter from H.M. Hobson, Ltd. confirming receipt of an order for two H.C.7 carburettors. | 10th Oct 1917 | Box 37 \ 2 scan 185 | |
| Notification regarding the receipt of two type HC7 Carburetters from Messrs. H. M. Hobson Ltd. | 17th Oct 1917 | Box 37 \ 2 scan 186 | |
| Letter from H.M. Hobson Ltd. requesting feedback on two H.C.7 carburettors sent for testing. | 22th Oct 1917 | Box 37 \ 2 scan 187 | |
| Letter to H.M. Hobson Ltd. regarding the fitting of H.C.7. carburettors to an 'Eagle' engine for testing. | 22th Oct 1917 | Box 37 \ 2 scan 188 | |
| Follow-up letter from H.M. Hobson Ltd. regarding test results for two H.C.7 Claudel-Hobson carburettors. | 15th Jan 1918 | Box 37 \ 2 scan 189 | |
| Letter to Messrs. Hobson Ltd. concerning a delay in testing H.C.7 carburettors. | 17th Jan 1918 | Box 37 \ 2 scan 190 | |
| Testing new Claudel-Hobson carburettors on 'Eagle' and 'Falcon' engines. | 17th Jan 1918 | Box 37 \ 2 scan 191 | |
| Upcoming testing of Claudel Duplex (H.C.7) carburettors and an inquiry for a new Zenith model. | 22th Jan 1918 | Box 37 \ 2 scan 192 | |
| Letter from the Air Board Technical Dept. regarding the dispatch and procurement of carburettors for testing. | 24th Jan 1918 | Box 37 \ 2 scan 193 | |
| Reply to the Air Board about engine carburettors. | 8th Mar 1918 | Box 37 \ 2 scan 194 | |
| | | | |