| Description | Date | Identifier | |
| Steering system tests investigating friction levels and damping to mitigate wobbles and road shocks. | 20th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan068 | |
| Tests conducted to improve vehicle riding qualities, focusing on loading, steering, and tyres. | 20th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan069 | |
| Report page discussing vehicle steering, suspension, and tyre performance, particularly concerning road shocks and wobbles. | 20th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan070 | |
| Improvements made to the 12-EX model and a list of further tests planned for a new axle. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan071 | |
| Steering tests conducted in France, detailing conditions and arrangements for a new type of front axle. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan072 | |
| Steering performance tests using different springs under various road conditions. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan073 | |
| Description and test results for a new arrangement of side steering tube springs. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan074 | |
| Summary comparing different side steering tube arrangements and their performance on various road conditions. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan075 | |
| Folder cover sheet for documentation titled 'Packing Front'. | 21th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan077 | |
| Scheme for applying friction to the Phantom steering system to reduce wobbles and irritating movement. | 21th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan078 | |
| Test results for frame deflections on the 40/50 HP New Phantom and 20 HP Car. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan079 | |
| Compiled notes on the utility of a voltmeter on an electrical system. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan080 | |
| The utility and correct installation of a voltmeter on the electrical system. | 21th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan081 | |
| Analysis of using voltmeter readings to determine the state of a battery's charge. | 21th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan082 | |
| The use of voltmeters versus ammeters and the cause of poor ignition point performance. | 21th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan083 | |
| Weight of an 8-cylinder Panhard car's body, questioning the owner's provided figure. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan084 | |
| Tests and proposed improvements to the steering on a 12-EX car to address wobbles. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan085 | |
| Statement expressing a preference for 6.75' tyres over the current 5' tyres, despite an increased risk of wobbles. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan086 | |
| On high-speed steering wobbles, comparing the effects of different tyre sizes and the wheel's moment of inertia. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan087 | |
| Experiments into the causes of explosions in the silencer of a Phantom engine. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan088 | |
| Analysis of engine running issues related to air supply, throttle, and fuel mixture. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan089 | |
| Engine explosions related to throttle position, carburetter mixture, and ignition timing. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan090 | |
| Tests to reduce exhaust silencer explosions using wire gauze and a sensitive governor. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan091 | |
| Summary of methods for preventing continuous explosions in the silencer by adjusting the throttle and fuel mixture. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan092 | |
| Investigation into the cause of explosions in the silencer on the Phantom model, comparing it to the Silver Ghost. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan093 | |
| Technical memo discussing throttle bearing friction and comparing engine explosions in Hispano and Lancia cars. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan094 | |
| The investigation into the failure and burning of battery ignition contact points. | 23th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan096 | |
| Distribution tests for the Phantom engine, comparing different manifold and carburetter configurations. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan097 | |
| Comparison of fuel flow and distribution using Phantom and Eagle carburettors with different manifold and induction pipe designs. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan098 | |
| Report page detailing experiments comparing Hispano-type manifolds with other designs, including a blueprint of an Eagle carburettor on a modified manifold. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan099 | |
| Report page detailing experiments and potential causes for fuel distribution issues at low speeds, with accompanying blueprint diagrams. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan100 | |
| Test report comparing a modified distributing pipe against a standard system, including performance data when cold. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan101 | |
| Note on engine system performance, throttle distribution, and the construction of a new distributing pipe. | 27th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan102 | |
| Further experiments with a superheated hot spot throttle heating system on the Phantom model. | 27th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan103 | |
| Report page detailing engine warming tests, comparing a superheated system and measuring heat flow to the cooling water using a calorimeter. | 27th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan104 | |
| Test results and conclusions for a super-heated induction pipe system, showing heat added to cooling water at various engine speeds. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan105 | |
| The 32-hour test run of the latest pedestal pistons, detailing performance, issues with piston knock, and gudgeon pin fixing. | 1st Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan107 | |
| Page 2 of a report comparing the weights of standard and pedestal pistons and noting test results for car 7-EX. | 30th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan108 | |
| Progress update on the Phantom engine's new aluminium head and cylinders, and the EAC-Vll chassis. | 30th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan109 | |
| Fitting large section tyres to improve the Phantom's suspension and stay competitive. | 31th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan110 | |
| Continued memorandum discussing dampers, low-pressure tyres, steering effort, and tyre compatibility. | 1st Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan111 | |
| Issue where an India cutout return spring was found to be too strong. | 1st Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan112 | |
| Preliminary steering tests for the 12-EX car, focusing on damper settings. | 1st Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan113 | |
| Tyre performance, steering wobble, and suspension settings, including a graph on tyre pressure vs. selectiveness. | 1st Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan114 | |
| Vehicle suspension issues, including wandering, damping, pivot lean, and damper oil viscosity. | 30th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan115 | |
| Laboratory report on the chemical analysis and heat treatment of a valve rocker. | 30th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan116 | |
| Proposing a visit to discuss tests investigating high-speed vibration on a 20 HP engine. | 1st Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan118 | |
| Results of steering tests in France and the decision to revert to a standard steering tube. | 1st Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan119 | |
| The testing of Dunlop and Michelin tyres, and shock damper settings on covered cars. | 2nd Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan120 | |
| Report on comparative tests of Maconite H.T. ignition cable after weather exposure. | 2nd Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan121 | |
| Report comparing the insulation properties of 'Maconite' and 'Glover' H.T. ignition cables after environmental exposure and voltage testing. | 31th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan122 | |
| The development and performance of a double ballast resistance using various gauges of nickel wire. | 2nd Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan123 | |
| Testing double ballast resistances made from a nickel-manganese alloy called 'Mangonic'. | 2nd Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan124 | |
| Graph of the volt-ampere characteristic for a standard ballast resistance made of nickel wire. | 13th May 1926 | West Wittering \ P \ 2July1926-September1926 Scan125 | |
| Graph showing the volt-ampere characteristics of double ballast resistances. | 2nd Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan126 | |
| Graph showing the volt-ampere characteristics of a Delco-Remy ballast resistance. | 4th Nov 1925 | West Wittering \ P \ 2July1926-September1926 Scan127 | |
| Investigation into crankshaft vibrations on the 20 HP engine. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan128 | |
| Preliminary experiments investigating engine vibration at various speeds. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan129 | |
| Engine vibration tests, investigating torsional oscillations and the effect of slipper flywheels. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan130 | |
| Results of belt drive experiments focusing on engine vibrations at various speeds. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan131 | |
| Analysis of torsional vibration of a crankshaft, considering disturbing forces from piston inertia and resultant torque. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan132 | |
| Report page detailing experiments with an indicator to graphically show torsional oscillations in a crankshaft. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan133 | |
| Report page detailing an apparatus for observing torsional oscillations and crankshaft vibrations, with analysis of results at various speeds. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan134 | |
| Analysis of torsional vibrations and critical speed based on diagrams at various engine speeds. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan135 | |
| Analysis of crankshaft vibrations, focusing on frequency, amplitude, and stress under various conditions. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan136 | |
| Summary of test results on torsional oscillations and vibrations at various engine speeds. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan137 | |
| Torsional deflection and inertia experiments to determine the natural frequency of a crankshaft. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan138 | |
| Calculations for inertia and natural frequency of vibration for engine components using the Bifilar suspension method. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan139 | |
| Report page detailing calculations for torsional oscillations and the nodal point in a crankshaft system. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan140 | |
| The influence of a stiffer crankshaft on engine vibration and critical speed. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan141 | |
| Inertia torque, crankshaft taper erosion, and torsional vibrations, identifying a critical speed of 3350 r.p.m. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan142 | |
| Summary of test findings on crankshaft oscillation and vibration, including the effectiveness of slipper dampers and plans for future experiments. | 4th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan143 | |
| Diagram of a Torsional Vibration Indicator. | 27th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan146 | |
| Graph comparing the torsional deflection curves of standard and stiffer 20 HP crankshafts under torque. | 27th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan147 | |
| Outlining a scheme to observe the life of ignition contact points and requesting related data. | 18th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan149 | |
| Torque reaction vibrations caused by chassis modifications and a proposal to fix the issue by refitting the original cross member. | 9th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan150 | |
| Test results on different tyre sizes regarding high speed wobble. | 10th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan151 | |
| Test report on a 6 cylinder 24 Hours Le Mans Lorraine car. | 10th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan152 | |
| Vehicle performance report detailing issues with the engine, brakes, steering, and suspension. | 10th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan153 | |
| Summary report on a car's performance, focusing on its engine and handling characteristics. | 13th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan154 | |
| Test report on an 'IMCO' Autopulse Fuel Pump fitted to chassis 9.EX, comparing its performance to the Autovac system. | 13th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan155 | |
| The performance failings and noise issues of an Autopulse fuel pump unit. | 15th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan156 | |
| Tests conducted on 2.6' diameter white metal bearings to determine creep under alternating loads. | 15th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan157 | |
| Continuation page of a report on bearing tests under varying pressure and load frequency. | 14th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan158 | |
| Clarifying the definitions and testing of 'helix angle' and 'spiral angle' for a sequence starter. | 14th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan160 | |
| High tension D.C. tests of insulating materials such as bakelite, bakelised linen, canvas plates, and redmanol coil cases. | 16th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan161 | |
| Circuit diagram for a high-voltage test apparatus using a valve rectifier. | 16th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan162 | |
| Characteristics and results of an electrical insulation test system. | 16th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan163 | |
| Tests of bakelised plates and coil cases, investigating insulation resistance and leakage currents. | 16th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan164 | |
| Test results for leakage in micro-amperes of Redmanol and Stabalite coil cases at increasing temperatures. | 16th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan165 | |
| Repeated tests on various coil cases at 100°C, with tabulated results. | 16th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan166 | |
| Test results for the electrical leakage of various linen and canvas based sheet materials. | 16th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan167 | |
| The results of temperature tests on redmanol and stabalite coil cases and various sheet materials. | 16th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan169 | |
| Battery ignition contact breaker unit for 20 HP and 40/50 HP models, focusing on modifications and the position of contact points. | 18th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan170 | |
| On steering friction in pivots, comparing issues between the 20 HP and the New Phantom models following tests in France. | 20th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan171 | |
| Steering tests, friction measurements, and performance at high and low speeds. | 19th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan172 | |
| Arrangement of a light type axle pivot for the C2 Series with additional friction. | 19th Aug 1926 | West Wittering \ P \ 2July1926-September1926 Scan173 | |
| Suspension comparison test between a Lancia and a 40/50 HP model, focusing on the effect of rear-mounted spare wheels. | 20th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan174 | |
| Comparing crankshaft vibration experiments between the Phantom and 20 HP engines. | 20th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan176 | |
| Testing slipper wheels and the effects of varying damping torque on crankshaft vibration. | 20th Sep 1926 | West Wittering \ P \ 2July1926-September1926 Scan177 | |
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