| Description | Date | Identifier | |
| Comparison of road performance and power curves between the Continental Phantom and the standard production Phantom. | 17th Feb 1928 | Box 92 \ 2 scan0001 | |
| Graph comparing the power at road wheels of the Standard and Continental Phantom (17EX) against an average Standard Phantom. | 1st Feb 1926 | Box 92 \ 2 scan0002 | |
| Graph showing Power at Road Wheels (B.HP) versus Engine R.P.M. for Standard and Continental Phantom models. | 1st Feb 1929 | Box 92 \ 2 scan0003 | |
| Two graphs showing acceleration performance data for Standard and Continental Phantom models. | 1st Feb 1928 | Box 92 \ 2 scan0004 | |
| Power output and compression ratios for the F.2.B. series engine. | 7th Jun 1928 | Box 92 \ 2 scan0005 | |
| Request for HP to weight ratio comparisons for the New Phantom, Silver Ghost, Goshawk, and 20 HP Indian models. | 20th Jun 1928 | Box 92 \ 2 scan0006 | |
| Short memo confirming that requested curves have been sent in response to a prior communication. | 20th Aug 1928 | Box 92 \ 2 scan0007 | |
| The full load power curve tests of the 'SS' engine and comparison with the Phantom engine. | 28th Aug 1928 | Box 92 \ 2 scan0008 | |
| Page 2 of a report detailing engine tests, focusing on carburetter performance, induction systems, and resolving issues with dynamo drive and valve bounce. | 28th Aug 1928 | Box 92 \ 2 scan0009 | |
| Engine seizing issue, a proposed fix, and a weight comparison with the production Phantom. | 28th Aug 1928 | Box 92 \ 2 scan0010 | |
| Power curve graph comparing the performance of the 'Super Sports' Phantom engine against the 'Continental' Phantom and an average production unit. | 28th Aug 1928 | Box 92 \ 2 scan0011 | |
| The running conditions and subsequent modifications for Super Sports Engine No. 55-3. | 5th Sep 1928 | Box 92 \ 2 scan0012 | |
| Engine testing, covering vibration, fuel supply, valve timings, and oil system performance. | 5th Sep 1928 | Box 92 \ 2 scan0013 | |
| Blueprint showing the oil grooves in a dynamo drive bush for a Super Sports engine. | 5th Sep 1928 | Box 92 \ 2 scan0014 | |
| Blueprint detailing oil drain grooves in a governor housing for a Super Sports Engine. | 5th Sep 1928 | Box 92 \ 2 scan0015 | |
| Sketch showing the arrangement of an oil scoop for a super-sports engine. | 5th Sep 1928 | Box 92 \ 2 scan0016 | |
| Technical drawing of a Modified Rocker Shaft for a Super-Sports Engine. | 5th Sep 1928 | Box 92 \ 2 scan0017 | |
| Performance graph for engine no. 553, detailing the power curve, oil pressures, and induction depression. | 4th Sep 1928 | Box 92 \ 2 scan0018 | |
| Technical report on the running conditions and performance testing of the 'SS' Engine No. SS-3. | 20th Sep 1928 | Box 92 \ 2 scan0019 | |
| Comparison of power curves for 110° and 116° camshafts, with notes on vacuum pump lubrication and tappet adjustment. | 19th Sep 1928 | Box 92 \ 2 scan0020 | |
| Power curve graph for the Super Sports Engine N°SS-3 with a 116° camshaft, comparing performance with a 110° camshaft. | 19th Sep 1928 | Box 92 \ 2 scan0021 | |
| The running conditions and compression pressure tests for 'SS' Engine No. SS-3. | 28th Sep 1928 | Box 92 \ 2 scan0022 | |
| Various engine noises, including piston knock, rocker mechanism noise, and timing gear issues. | 25th Sep 1928 | Box 92 \ 2 scan0023 | |
| Graph of compression pressures for a Super Sports Engine. | 25th Sep 1928 | Box 92 \ 2 scan0024 | |
| Graph plotting the mechanical efficiency and friction horsepower of Engine No SS-3 against its RPM. | 25th Sep 1928 | Box 92 \ 2 scan0025 | |
| Technical memo discussing sticking 20 HP valve inlets and Phantom power curves. | 17th Oct 1928 | Box 92 \ 2 scan0026 | |
| Engine performance issues, including camshaft effects, piston rings, and torque reaction experiments. | 17th Oct 1928 | Box 92 \ 2 scan0027 | |
| Ratings for two couplings and details of a Chrysler spring drive. | 17th Oct 1928 | Box 92 \ 2 scan0028 | |
| Graph comparing Torque vs. Angular Deflection for a Standard Hardy Coupling and an ALPE Coupling. | 17th Oct 1928 | Box 92 \ 2 scan0029 | |
| Expressing concern that the 'SS' engine development has been neglected due to the focus on aero engine work. | 17th Oct 1928 | Box 92 \ 2 scan0030 | |
| Engine compression experiments, torque re-action, and potential carburetion improvements. | 17th Oct 1928 | Box 92 \ 2 scan0031 | |
| The running conditions, power curve, and recent modifications of the Super Sports Engine S.S.3. | 18th Oct 1928 | Box 92 \ 2 scan0032 | |
| Continued report on engine testing, detailing issues with manifold distortion, gear noise, piston lapping, and oil pressure. | 18th Oct 1928 | Box 92 \ 2 scan0033 | |
| Engine modifications concerning oil supply, crankcase pressure, and valve mechanism noise. | 18th Oct 1928 | Box 92 \ 2 scan0034 | |
| Graph of petrol consumption curves for a Super Sports engine. | 18th Oct 1928 | Box 92 \ 2 scan0035 | |
| Power curve graph for the Super Sports Engine No. SS-3. | 9th Oct 1928 | Box 92 \ 2 scan0036 | |
| 'SS' engine development work, comparing its performance to the F.2.B. series engine. | 26th Oct 1928 | Box 92 \ 2 scan0037 | |
| Technical discussion on increasing engine power through carburettor and compression ratio modifications. | 26th Oct 1928 | Box 92 \ 2 scan0038 | |
| Analysis of engine power gains and comparative airflow tests between SS and F.2.B. cylinder heads. | 26th Oct 1928 | Box 92 \ 2 scan0039 | |
| Increasing valve lift to improve air flow and volumetric efficiency, with proposals for further testing on an SS engine. | 26th Oct 1928 | Box 92 \ 2 scan0040 | |
| Engine component testing, including induction systems, carburetors, manifolds, and pistons. | 26th Oct 1928 | Box 92 \ 2 scan0041 | |
| Engine noise issues from springs and valves, with recommendations for modifications. | 25th Sep 1928 | Box 92 \ 2 scan0042 | |
| Graph of Mechanical Efficiency and Friction Horse Power for the Super Sports Engine No. SS-3. | 25th Sep 1928 | Box 92 \ 2 scan0043 | |
| Graph comparing airflow through Super Sports and F-2-B series inlet valves. | 26th Oct 1928 | Box 92 \ 2 scan0044 | |
| Blueprint graph comparing the power output of a Super Sports engine against a standard F-2-B series engine. | 26th Oct 1928 | Box 92 \ 2 scan0045 | |
| Blueprint of an apparatus for measuring airflow past valves for different pressure heads and various lifts. | 27th Oct 1928 | Box 92 \ 2 scan0046 | |
| The power loss and noise from the super sports exhaust system manifold. | 27th Oct 1928 | Box 92 \ 2 scan0047 | |
| Graph plotting brake horsepower and percentage power loss against engine RPM for a Super Sports Engine with and without an exhaust manifold. | 26th Oct 1928 | Box 92 \ 2 scan0048 | |
| Options for improving acceleration through ample engine power or improved gearing, such as a freewheel mechanism. | 7th Nov 1928 | Box 92 \ 2 scan0049 | |
| Proposed gearbox design combining an epicyclic unit with a conventional 2-speed gearbox. | 16th Jan 1929 | Box 92 \ 2 scan0050 | |
| The performance of the 'SS' Chassis Engine and improvements on the 19-EX engine. | 16th Jan 1929 | Box 92 \ 2 scan0051 | |
| Test report on Hypoid gears under full torque conditions on an 'SS' chassis. | 2nd Feb 1929 | Box 92 \ 2 scan0052 | |
| Investigations into joint faults, gearbox tests, and petrol consumption. | 2nd Feb 1929 | Box 92 \ 2 scan0053 | |
| Power curves of the SS model versus the Phantom and the functionality of a new rear wheel carrier. | 7th Feb 1929 | Box 92 \ 2 scan0054 | |
| Performance graph showing Horse Power at Road Wheels vs. Engine R.P.M. for Standard Phantom and S.S. chassis. | 7th Feb 1929 | Box 92 \ 2 scan0055 | |
| Blueprint comparing various types of trunnion bearings. | 8th Feb 1929 | Box 92 \ 2 scan0056 | |
| Technical memorandum detailing dynamometer performance and weight data for the S.S. and Standard Phantom models. | 9th Jul 1929 | Box 92 \ 2 scan0057 | |
| S.S. chassis tests, discussing axle performance, steering, and investigations into noise issues on various experimental cars. | 16th Jul 1929 | Box 92 \ 2 scan0058 | |
| Manifold and exhaust note tests, comparing Phantom models and S.S. cars. | 13th Jan 1930 | Box 92 \ 2 scan0059 | |
| Performance analysis comparing the standard silencer system with a new cast aluminum expansion box system for the Phantom II. | 13th Jan 1930 | Box 92 \ 2 scan0060 | |
| The overheating and melting of an aluminium exhaust component during bench testing, with plans for further road tests. | 13th Jan 1930 | Box 92 \ 2 scan0061 | |
| Graph showing Brake Horse Power against RPM for an engine with various exhaust system configurations. | 9th Jan 1930 | Box 92 \ 2 scan0062 | |
| Graph showing power loss curves for engine No SS-15 with various standard exhaust system configurations. | 9th Jan 1930 | Box 92 \ 2 scan0063 | |
| Performance graph comparing Brake Horse Power vs RPM for different exhaust manifold pipe systems on engine SS-15. | 10th Jan 1930 | Box 92 \ 2 scan0064 | |
| Blueprint diagram illustrating the failure points of a cut-out ring. | 11th Jan 1930 | Box 92 \ 2 scan0065 | |
| The performance of a Solex twin choke carburettor on a Phantom II car. | 22th Jan 1930 | Box 92 \ 2 scan0066 | |
| Carburetter performance, detailing throttle response and potential refinements. | 14th Feb 1930 | Box 92 \ 2 scan0067 | |
| The petrol consumption of an S.S. car, comparing different driving styles and speeds. | 14th Feb 1930 | Box 92 \ 2 scan0068 | |
| Cooling system tests for the 19-EX and Phantom II models conducted at Brooklands. | 25th Jun 1930 | Box 92 \ 2 scan0069 | |
| Tests conducted to improve vehicle engine cooling by adjusting ventilation, shutters, and underpanels. | 26th Jun 1930 | Box 92 \ 2 scan0070 | |
| Engine cooling improvements, including ventilated bonnets, radiator design, and oil temperature analysis for hot climates. | 25th Jun 1930 | Box 92 \ 2 scan0071 | |
| Vehicle performance, detailing issues with overheating, petrol supply, and recorded lap speeds. | 25th Jun 1930 | Box 92 \ 2 scan0072 | |
| Test report continuation comparing vehicle performance, detailing issues with an American car and model 19-EX during speed and engine tests. | 25th Jun 1930 | Box 92 \ 2 scan0073 | |
| Engine cooling system tests, including water circulation, fan belt tension, and the American Phantom II. | 25th Jun 1930 | Box 92 \ 2 scan0074 | |
| Summary of improvements and findings related to the Phantom II's bonnet ventilation, fan, and radiator systems. | 25th Jun 1930 | Box 92 \ 2 scan0075 | |
| The necessity of fitting ventilated or louvred bonnets to cars to cope with high speeds. | 25th Jun 1930 | Box 92 \ 2 scan0076 | |
| Graph plotting water and oil temperatures against miles run during a vehicle test. | 25th Jun 1930 | Box 92 \ 2 scan0077 | |
| Graph showing the ambient temperatures at which a Standard Phantom II Cabriolet will overheat with different ventilation modifications. | 25th Jun 1930 | Box 92 \ 2 scan0078 | |
| Graph showing top and bottom water temperatures under various bonnet and shutter configurations. | 25th Jun 1930 | Box 92 \ 2 scan0079 | |
| Graph plotting oil and water temperature against miles run under specific vehicle conditions. | 25th Jun 1930 | Box 92 \ 2 scan0080 | |
| Graph comparing critical air temperatures for spring-tensioned vs positively-tensioned fan belts at 62 MPH without bonnet ventilation. | 25th Jun 1930 | Box 92 \ 2 scan0081 | |
| Graph comparing top water temperature against miles run for experimental models 18 E.X. and 19 E.X. | 25th Jun 1930 | Box 92 \ 2 scan0082 | |
| Blueprint illustrating a modification to the front undershield to improve the cooling system. | 9th Jul 1930 | Box 92 \ 2 scan0083 | |
| Second report on Brooklands radiator tests, detailing issues with the autovac fuel supply system. | 9th Jul 1930 | Box 92 \ 2 scan0084 | |
| Engine fuel supply, vacuum pump efficiency, and overheating issues. | 9th Jul 1930 | Box 92 \ 2 scan0085 | |
| Cooling system fan belt performance and mixture strength issues at high speeds. | 9th Jul 1930 | Box 92 \ 2 scan0086 | |
| Engine pre-ignition, fuel supply, and a comparison of different radiator matrixes and bottom outlets. | 9th Jul 1930 | Box 92 \ 2 scan0087 | |
| Engine cooling circulation tests, analyzing the effects of system restrictions and vehicle speed on water temperature. | 9th Jul 1930 | Box 92 \ 2 scan0088 | |
| Analysis of a car's cooling system performance under various driving conditions and ambient temperatures. | 9th Jul 1930 | Box 92 \ 2 scan0089 | |
| Recommendations for improvements to fuel and cooling systems, and proposals for Phantom II hill climbing tests. | 9th Jul 1930 | Box 92 \ 2 scan0090 | |
| Graphs illustrating the results of a Brooklands test on an engine cooling system, detailing the effects of fan configuration, vehicle speed, and radiator shutters on water temperature. | 2nd Jul 1930 | Box 92 \ 2 scan0091 | |
| Series of graphs and diagrams illustrating the effect of water circulation on overheating in a car's cooling system. | 2nd Jul 1930 | Box 92 \ 2 scan0092 | |
| Graph from a Brooklands test showing top and bottom water temperatures under various fan and radiator conditions. | 2nd Jul 1930 | Box 92 \ 2 scan0093 | |
| Graph showing the effect of temperature on complete car circulation. | 18th Aug 1930 | Box 92 \ 2 scan0094 | |
| Friction horsepower test on a Phantom II engine. | 18th Aug 1930 | Box 92 \ 2 scan0095 | |
| The comparative cooling performance of five cars tested at Brooklands. | 25th Aug 1930 | Box 92 \ 2 scan0096 | |
| Comparison of cooling system capacity and performance characteristics against competitor vehicles. | 25th Aug 1930 | Box 92 \ 2 scan0097 | |
| Report page detailing vehicle performance comparisons, speedometer data, and maximum speed tests for various models. | 25th Aug 1930 | Box 92 \ 2 scan0098 | |
| Continuation page mentioning gain due to a 112º camshaft and higher compression. | 25th Aug 1930 | Box 92 \ 2 scan0099 | |
| Comparison of vehicle specifications across different car manufacturers, including data on face area, volume, and temperature. | 1st Sep 1930 | Box 92 \ 2 scan0100 | |
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