| Description | Date | Identifier | |
| List of experimental parts issued by the Drawing Office, detailing their status. | 20th Apr 1921 | Box 76 \ 2 scan0269 | |
| Progress report detailing experimental work, tests, and electrical experiments on various components. | 25th Apr 1921 | Box 76 \ 2 scan0270 | |
| Directive regarding the progress of experimental work, specifically on the 'Vulture' and 'Buzzard' projects. | 25th Apr 1921 | Box 76 \ 2 scan0271 | |
| Cover memo for a fortnightly Progress List regarding experimental work. | 10th May 1921 | Box 76 \ 2 scan0272 | |
| Progress report on experimental work for the fortnight ending 30th April. | 10th Dec 1920 | Box 76 \ 2 scan0273 | |
| Status report on component details, experimental work in progress, and various engineering tests. | 25th Apr 1921 | Box 76 \ 2 scan0274 | |
| Cover letter for a Progress List on Experimental Work for a three-week period. | 25th Apr 1921 | Box 76 \ 2 scan0275 | |
| Progress report on experimental work for the three weeks ending May 21st, listing designs received, work carried out, and parts issued. | 21th May 1933 | Box 76 \ 2 scan0276 | |
| Progress report on component detailing, ongoing experimental work, and electrical tests. | 10th Dec 1920 | Box 76 \ 2 scan0277 | |
| List of electrical experimental work including tests on battery ignition, a dynamo, and batteries. | 10th Dec 1920 | Box 76 \ 2 scan0278 | |
| Cover memo for the progress list of experimental work for the fortnight ending June 4th. | 10th Jun 1921 | Box 76 \ 2 scan0279 | |
| Progress report on experimental work, detailing design instructions, work carried out, and experimental parts issued. | 4th Jun 1931 | Box 76 \ 2 scan0280 | |
| Status report on experimental work, tests, and component designs for various engine models. | 24th Jun 1921 | Box 76 \ 2 scan0281 | |
| Progress report on experimental work for the fortnight ending 18th June, detailing designs, work carried out, and parts issued. | 24th Jun 1921 | Box 76 \ 2 scan0282 | |
| Progress report on vehicle components, experimental work in progress, and various tests. | 14th Jul 1921 | Box 76 \ 2 scan0283 | |
| Cover sheet for progress sheets on experimental work for the fortnight ending July 2nd, 1921. | 14th Jul 1921 | Box 76 \ 2 scan0284 | |
| Progress report on experimental work for the fortnight ending 2nd July 1921. | 14th Jul 1921 | Box 76 \ 2 scan0285 | |
| Status report on parts issuance, experimental work in progress, and various component tests. | 14th Jul 1921 | Box 76 \ 2 scan0286 | |
| Cover note for progress sheets on experimental work, covering the period from July 4th to August 6th. | 16th Aug 1921 | Box 76 \ 2 scan0287 | |
| Progress report on experimental work for the period of July 4th to August 6th. | 11th Aug 1920 | Box 76 \ 2 scan0288 | |
| Register of parts and modifications with status updates and reference numbers. | 11th Aug 1920 | Box 76 \ 2 scan0289 | |
| Progress report on experimental work and tests for various engine and electrical components. | 13th Sep 1921 | Box 76 \ 2 scan0290 | |
| Cover note for progress sheets from August 9th to September 3rd. | 13th Sep 1921 | Box 76 \ 2 scan0291 | |
| Progress report on experimental work for the Goshawk 11 project between August 8th and September 3rd. | 10th Dec 1930 | Box 76 \ 2 scan0292 | |
| Status report on component design, experimental work, and testing for the 40/50, Condor, and Goshawk 11 models. | 10th Dec 1930 | Box 76 \ 2 scan0293 | |
| Continued list of tests on engines, chassis, and electrical experimental work. | 19th Oct 1921 | Box 76 \ 2 scan0294 | |
| Cover note for attached progress sheets detailing experimental work. | 19th Oct 1921 | Box 76 \ 2 scan0295 | |
| Laboratory report on the chemical analysis of two non-ferrous alloy pistons. | 20th Nov 1916 | Box 76 \ 3 scan0001 | |
| Laboratory report on the chemical analysis of non-ferrous alloy pistons. | 11th Dec 1916 | Box 76 \ 3 scan0002 | |
| Laboratory report page 2, detailing microphotographs of sand-blasted and overheated metal surfaces from piston crowns. | 15th Feb 1916 | Box 76 \ 3 scan0003 | |
| Notes on the solidification and cooling of piston metal, detailing the effects of cooling rates on alloy structure. | 16th Feb 1916 | Box 76 \ 3 scan0004 | |
| Metallurgical report detailing conclusions on the heat treatment and casting of aluminium pistons. | 18th Sep 1924 | Box 76 \ 3 scan0005 | |
| Test report detailing the physical properties of 'Castor Lubrine'. | 14th Feb 1916 | Box 76 \ 3 scan0006 | |
| Analysis of oil composition, acidity, and lubricating value. | 14th Feb 1916 | Box 76 \ 3 scan0007 | |
| Laboratory report on the chemical analysis of an Aluminium-Copper-Antimony piston alloy. | 8th Feb 1917 | Box 76 \ 3 scan0008 | |
| Metallurgical report on the effects of adding Antimony and Bismuth to remelted aluminum-copper alloys. | 25th Jun 1919 | Box 76 \ 3 scan0009 | |
| Test report on the mechanical properties of special aluminium alloys at different temperatures. | 25th Jun 1919 | Box 76 \ 3 scan0010 | |
| Data sheet showing the results of temperature-based stress tests on various special aluminium alloys. | 25th Jun 1917 | Box 76 \ 3 scan0011 | |
| Instruction sheet showing the chemical analysis results for various alloys. | 25th Jun 1917 | Box 76 \ 3 scan0012 | |
| Laboratory report on piston metals, comparing various alloys through engine, conductivity, and mechanical strength tests. | 20th Jul 1917 | Box 76 \ 3 scan0013 | |
| Laboratory report comparing the properties of various metal alloys, likely for piston manufacturing, with a final recommendation. | 28th Jul 1917 | Box 76 \ 3 scan0014 | |
| Results from a second test on various Piston Alloys, noting temperature readings and missing components. | 28th Jul 1917 | Box 76 \ 3 scan0015 | |
| Test results for Piston Alloys A, Q, and C at different temperatures. | 26th Jul 1917 | Box 76 \ 3 scan0016 | |
| Laboratory report on the chemical analysis of an oxide scum from a carburettor. | 3rd Aug 1917 | Box 76 \ 3 scan0017 | |
| Laboratory report on the chemical analysis of a steel sample. | 1st Dec 1917 | Box 76 \ 3 scan0018 | |
| Test results and chemical analysis of various special aluminium alloys at different temperatures. | 15th Feb 1918 | Box 76 \ 3 scan0019 | |
| Chemical analysis of four engine springs that performed well. | 30th Nov 1917 | Box 76 \ 3 scan0020 | |
| The chemical composition and proposed heat treatment for valve steel. | 4th Jan 1918 | Box 76 \ 3 scan0021 | |
| Laboratory report on the chemical analysis of a non-ferrous alloy from two pieces of petrol pipe and copper tubing. | 10th Jan 1918 | Box 76 \ 3 scan0022 | |
| Laboratory report on a non-ferrous alloy from two exhaust pipes, one good and one that cracked. | 10th Jan 1918 | Box 76 \ 3 scan0023 | |
| Instruction on the approximate composition of thin bearing linings, noting that accurate analysis is impossible. | 15th Jan 1918 | Box 76 \ 3 scan0024 | |
| Laboratory analysis of scale from valves, comparing different samples. | 14th Jan 1918 | Box 76 \ 3 scan0025 | |
| Analysis of the material composition of a connecting rod that failed during testing. | 18th Jan 1918 | Box 76 \ 3 scan0026 | |
| Laboratory analysis results for a second fractured connecting rod. | 18th Jan 1918 | Box 76 \ 3 scan0027 | |
| Laboratory report on the chemical analysis of a steel valve. | 19th Jan 1918 | Box 76 \ 3 scan0028 | |
| Instruction note detailing the laboratory analysis of valve bend material. | 26th Jan 1918 | Box 76 \ 3 scan0029 | |
| Instructions to Mr. Hewes specifying the chemical composition of steel for roller bearings and rollers. | 25th Jan 1918 | Box 76 \ 3 scan0030 | |
| Laboratory analysis of the chemical composition of Firth's Ball-race steel. | 29th Jan 1918 | Box 76 \ 3 scan0031 | |
| Tensile tests of various steel types at high temperatures. | 21th Feb 1918 | Box 76 \ 3 scan0032 | |
| Test report on the tensile strength of various steels at high temperatures. | 21th Feb 1918 | Box 76 \ 3 scan0033 | |
| Various steels tested for tensile strength at high temperatures, addressed to Mr. Royce and Mr. Hives. | 21th Feb 1918 | Box 76 \ 3 scan0034 | |
| Laboratory report on tensile tests of various steels at high temperatures. | 21th Feb 1918 | Box 76 \ 3 scan0035 | |
| Laboratory report on the chemical analysis of a non-ferrous alloy from two broken pistons. | 27th Feb 1918 | Box 76 \ 3 scan0036 | |
| Laboratory report on the chemical analysis of a non-ferrous alloy from two broken pistons. | 27th Feb 1918 | Box 76 \ 3 scan0037 | |
| Laboratory report on a sample of Nickel steel from a broken connecting rod. | 27th Feb 1918 | Box 76 \ 3 scan0038 | |
| Laboratory report on the analysis of fractured connecting rods and pistons from engines 742 and 770. | 28th Feb 1918 | Box 76 \ 3 scan0039 | |
| Laboratory report suggesting an experiment to investigate the growth of crystal size in pistons due to engine operation. | 1st Mar 1918 | Box 76 \ 3 scan0040 | |
| Laboratory report on the chemical analysis of a non-ferrous alloy from a piston that broke during a test. | 18th Mar 1918 | Box 76 \ 3 scan0041 | |
| Laboratory report on the chemical analysis of a non-ferrous alloy from a broken piston. | 18th Mar 1918 | Box 76 \ 3 scan0042 | |
| Laboratory report on a sample of steel from a failed connecting rod. | 20th Mar 1918 | Box 76 \ 3 scan0043 | |
| Laboratory report on the chemical analysis of a failed steel connecting rod. | 20th Mar 1918 | Box 76 \ 3 scan0044 | |
| Instructions for the forging and heat treatment of six special connecting rods for testing purposes. | 23th Mar 1918 | Box 76 \ 3 scan0045 | |
| Instructions for re-testing and heat treatment of six special connecting rods. | 23th Mar 1918 | Box 76 \ 3 scan0046 | |
| Chemical analysis of a failed Chrome Vanadium Steel (CVS) connecting rod, with a handwritten conclusion. | 26th Apr 1917 | Box 76 \ 3 scan0047 | |
| Specification for a piston alloy, detailing its chemical composition and mechanical properties. | 26th Apr 1917 | Box 76 \ 3 scan0048 | |
| Specification for aluminium metal, outlining its chemical composition and Brinell hardness. | 26th Apr 1917 | Box 76 \ 3 scan0049 | |
| Specification for Crankcase Aluminium Metal Alloy. | 26th Apr 1917 | Box 76 \ 3 scan0050 | |
| Specification document for piston alloy, detailing chemical composition and mechanical properties. | 26th Apr 1917 | Box 76 \ 3 scan0051 | |
| Specification for die castings in aluminium alloy, detailing chemical composition and mechanical tests. | 26th Apr 1917 | Box 76 \ 3 scan0052 | |
| Comparison of material properties for 'Quickstep' and 'F.R.S.' variants after cooling. | 9th Apr 1918 | Box 76 \ 3 scan0053 | |
| Laboratory report on the chemical analysis of a steel crankshaft part. | 9th Apr 1918 | Box 76 \ 3 scan0054 | |
| Instructions regarding the metallurgical examination of a fractured crankshaft. | 10th Apr 1918 | Box 76 \ 3 scan0055 | |
| Laboratory test results and conclusion for an oil sample. | 4th Jun 1918 | Box 76 \ 3 scan0056 | |
| Laboratory report on the chemical analysis of a non-ferrous alloy from a 'Condor' piston. | 10th Jun 1918 | Box 76 \ 3 scan0057 | |
| Cover note forwarding a report from Mr. Hall regarding experiments on crystal growth in pistons. | 12th Jun 1918 | Box 76 \ 3 scan0058 | |
| Laboratory report on the chemical analysis of a steel sample from drillings. | 17th Jun 1918 | Box 76 \ 3 scan0059 | |
| Laboratory report on the chemical analysis of a steel valve that sealed badly. | 18th Jun 1918 | Box 76 \ 3 scan0060 | |
| Test results for connecting rod pieces under load. | 18th Jun 1918 | Box 76 \ 3 scan0061 | |
| Laboratory report detailing the chemical analysis of a non-ferrous alloy ingot. | 20th Jun 1918 | Box 76 \ 3 scan0062 | |
| Laboratory report on a sample of steel from an articulated rod that broke during testing. | 21th Jun 1918 | Box 76 \ 3 scan0063 | |
| Laboratory report on the analysis and comparison of different piston aluminum alloys. | 9th Jul 1918 | Box 76 \ 3 scan0064 | |
| Laboratory report detailing the chemical analysis of a steel sample from an Annulus Gear that broke during testing. | 18th Jul 1918 | Box 76 \ 3 scan0065 | |
| Laboratory report detailing the chemical analysis of a non-ferrous, high-tensile alloy from a Condor Tappet-cover. | 19th Jul 1918 | Box 76 \ 3 scan0066 | |
| Comparative test results of various metal alloys. | 19th Jul 1918 | Box 76 \ 3 scan0067 | |
| Laboratory report on a sample of steel detailing its chemical analysis and remarks on brittleness. | 25th Jul 1918 | Box 76 \ 3 scan0068 | |
| Lab report detailing the results of a freezing test on various oils. | 30th Jul 1918 | Box 76 \ 3 scan0069 | |
| Test results for a mild steel sample intended for experimental connecting rods, including Stanton and Tensile test data. | 13th Aug 1918 | Box 76 \ 3 scan0070 | |
| Laboratory report on the chemical analysis of a non-ferrous alloy from a 'Fiat' Piston. | 14th Aug 1918 | Box 76 \ 3 scan0071 | |
| Laboratory report comparing two samples of Castrol Oil with differing mineral oil content. | 19th Aug 1918 | Box 76 \ 3 scan0072 | |
| Laboratory report on a sample of steel from a broken Vickers Crankshaft after a 50 hour run. | 19th Aug 1918 | Box 76 \ 3 scan0073 | |
| | | | |
