| Description | Date | Identifier | |
| Engine modifications and ongoing issues with the exhaust manifold, timing gears, pistons, and oil system. | 18th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan173 | |
| Modifying oil flow to prevent leaks and addressing valve mechanism noise. | 18th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan174 | |
| Graph of petrol consumption curves against engine RPM for a Super Sports engine. | 18th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan175 | |
| The reverse of a document with a purple ink date stamp from Derby. | 18th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan176 | |
| Graph showing the power curve for a Super Sports engine with various configurations and comparisons. | 9th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan177 | |
| Page marked with a receiving stamp, otherwise blank. | 18th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan178 | |
| Clutch jagging, valve guide clearances, and rocker shaft oiling on a 20 HP car. | 22th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan179 | |
| Oiling issues and recommending a 3-stage relief valve for the 20 HP engine, similar to the Phantom. | 24th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan180 | |
| Concerns about ignition wire tubing and proposing a change to bakelite tubes to mitigate heat damage. | 24th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan181 | |
| Suggestion to use earthed bakelite-covered metal tubes for wiring on an SS. engine to prevent electrical interference. | 24th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan182 | |
| Responding to criticism of delays in car improvements, detailing experimental work undertaken on engines, chassis, and superchargers. | 24th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan183 | |
| Internal secret memo discussing the sale and status of experimental Phantom Sports Cars. | 25th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan184 | |
| High-speed wobble tests comparing different Michelin and Dunlop tyres. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan185 | |
| Weight comparison table between Michelin and standard 6.75' Dunlop tyres, tubes, and wheels. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan186 | |
| 'SS' engine development work, comparing its performance and specifications against the F.2.B. series engine. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan187 | |
| Report discussing engine power, carburettor performance, and compression ratios for the SS and F.2.B. series engines. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan188 | |
| Analysis of engine power output and airflow tests comparing SS and standard F.2.B. cylinder heads and valves. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan189 | |
| Proposal for further tests on engine valve lift and air flow to improve volumetric efficiency and power. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan190 | |
| Engine development, focusing on induction systems, carburetters, manifolds, and pistons. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan191 | |
| Engine noise issues related to springs and valves, with proposed solutions for F.Z.B. and SS engines. | 25th Sep 1928 | West Wittering \ S \ September1928-October1928 Scan192 | |
| Graph plotting the Mechanical Efficiency and Friction Horsepower of a Super Sports Engine against its RPM. | 25th Sep 1928 | West Wittering \ S \ September1928-October1928 Scan193 | |
| Blank document back with a 'Print Room' date stamp from the Derby factory. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan194 | |
| Graph comparing air flow through Super Sports and F-2-B series inlet valves against valve lift. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan195 | |
| Graph comparing the Brake Horse Power of different engine configurations against RPM. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan196 | |
| Blueprint of a rig for measuring airflow past valves on an S.S. cylinder head for valve tests. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan197 | |
| Stamped by the Print Room in Derby, with the main body of text being illegible. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan198 | |
| Power loss and noise issues with a super sports exhaust system. | 27th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan199 | |
| Graph showing the power loss to the exhaust manifold for a Super Sports Engine, comparing open ports to a manifold. | 26th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan200 | |
| Blank document page with a purple ink stamp on the bottom right corner. | 27th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan201 | |
| The objectives and initial findings from tests carried out on 40/50 suspension axle movement. | 29th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan202 | |
| Analysis of vehicle suspension, axle movement, and ride comfort at various speeds and road conditions. | 29th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan203 | |
| Test results for vehicle axle movement, car swaying, and axle velocities under various conditions. | 29th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan204 | |
| Car velocities under different conditions and a description of an axle motion experiment. | 29th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan205 | |
| Typed report on vehicle suspension dynamics, detailing axle velocity, damping tests, and natural frequency. | 29th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan206 | |
| Chart of rear axle motion experiments for the Phantom 98 N.K. comparing different damping settings on various road surfaces. | 29th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan207 | |
| Graphs from rear axle motion experiments on a Phantom 38 NK, testing different speeds, surfaces, and shock absorber settings. | 29th Oct 1928 | West Wittering \ S \ September1928-October1928 Scan208 | |
| Circuit arrangement for a green lamp charge indicator, referencing the Silver Ghost model. | 4th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan001 | |
| The operation and non-standard switching of a green lamp unit and switchbox. | 7th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan002 | |
| Experiments with rubber engine mountings to reduce vibration and roughness on an 'SS' model. | 7th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan003 | |
| Page discussing ineffective dampers and parallel tests being conducted on a 20 HP car. | 7th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan004 | |
| Drawing of the experimental S.S. engine feet. | 8th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan005 | |
| Cover note for a report on the 18-EX 'SS' car after a 5,000-mile test, part of a larger 10,000-mile test in France. | 8th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan006 | |
| Promising results of 'SS' engine mounting tests using rubber strips to eliminate vibration. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan007 | |
| 5,000-mile performance report on the 18-EX. S.S. engine and its components. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan008 | |
| Faults and performance issues with various engine components. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan009 | |
| The condition of the engine suspension, exhaust system, and radiator studs. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan010 | |
| Issues and modifications for various vehicle components including the radiator, bonnet, oil pump, and front axle. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan011 | |
| Inspection report on brake, suspension, and steering components, noting issues with front dampers and lubrication systems. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan012 | |
| Flywheel, clutch, and gearbox issues, including observations on noise, wear, and oil leaks. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan013 | |
| Inspection report detailing the condition of various vehicle components after mileage. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan014 | |
| Faults found in the hand brake, body subframe, and electrical systems of a vehicle. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan015 | |
| Test report detailing the car's condition after 9000 miles, including bodywork, paint, petrol consumption, and tyre life. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan016 | |
| Hand-drawn sketch of an exhaust manifold showing areas of burning and scaling. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan017 | |
| Sketch on graph paper showing a worn engine fabric coupling with elongated holes and a bulged shape. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan018 | |
| Pencil sketch of a cantilever leaf spring suspension assembly with handwritten modification notes. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan019 | |
| List of five engine components or systems. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan020 | |
| Comparison of 'SS' and standard Phantom engine mountings, focusing on radiator rigidity, vibration, and steering. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan021 | |
| Report comparing the performance of two vehicles, SS. 20-EX and Phantom 8-EX, regarding tyre pressure effects, engine vibration, and steering wobble. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan022 | |
| Technical analysis of steering selectivity and control, comparing various car models and potential improvements. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan023 | |
| Summary of test results focusing on frame and engine mounting to eliminate front-end oscillation on the SS model. | 12th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan024 | |
| Experiments to improve 'SS' engine mounting by testing various components to reduce vibration and booming. | 12th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan025 | |
| Bench test results and on-road performance of the 'SS' servo leverage. | 12th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan026 | |
| Analysis of brake distribution and servo torque multiplication with calculations for different schemes. | 11th Jan 1928 | West Wittering \ T \ 2January1929-June1929 Scan027 | |
| Graph comparing the performance of a Super-Sports servo against a standard Phantom servo. | 11th Jan 1928 | West Wittering \ T \ 2January1929-June1929 Scan028 | |
| Page with a purple ink stamp from the Print Room. | 11th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan029 | |
| Erratic behavior of the 'SS' clutch due to lubrication issues on the sliding ball race. | 14th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan030 | |
| Cover memo for an attached report (PD.36) on the electrical system of a Chrysler car. | 1st Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan031 | |
| Technical description of a Chrysler electrical system, detailing its components like the generator, battery, and starter motor. | 14th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan032 | |
| Description of the coil, distributor, lighting, and current limiter systems. | 22th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan033 | |
| Experiments with various schemes for 'SS' engine valve rocker lubrication. | 22th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan034 | |
| Report page detailing a modification to the oil supply system for SS engines by altering the rocker shaft. | 19th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan035 | |
| Investigation into noisy hydraulic shock absorbers on 20 HP cars. | 19th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan036 | |
| Investigation into a knocking sound caused by link pin distortion and clearance issues, including test results and attempted remedies. | 19th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan037 | |
| Investigation into damper, link, and bearing knocking noises and potential solutions. | 19th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan038 | |
| Investigations into noise issues on the 20 HP model, focusing on rear dampers and linkages. | 18th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan039 | |
| Blueprint detailing experiments on hydraulic damper noise, comparing slotted and drilled valve designs. | 18th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan040 | |
| Blank page with a purple rectangular ink stamp in the bottom right corner. | 19th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan041 | |
| Potential improvements to the Phantom carburetter by employing a diffuser type jet. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan042 | |
| Carburetter improvements, comparing diffuser type jets with plain jets and mentioning the development of an SS expanding carburetter. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan043 | |
| 'SS' engine mounting tests and a modification to the body mounting to reduce front end dither. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan044 | |
| Experiments on vehicle chassis alterations to prevent body yawing and improve handling. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan045 | |
| Recommendation to prepare a design for a thermostat to be fitted to the 'SS' engine. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan046 | |
| Review of induction system heating and distribution, comparing past experience on the Phantom engine with recent tests on the S.S. engine. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan047 | |
| The development of engine induction and heating systems, comparing water and superheated steam methods for warming up. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan048 | |
| Heat transference, gas velocity, and engine operation characteristics related to the induction system. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan049 | |
| Engine performance issues related to the induction system and carburetter proximity to the exhaust on the Phantom model. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan050 | |
| Comparison of engine induction and exhaust systems, discussing hot spots, heating, and distribution. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan051 | |
| The efficiency and testing of a Solex twin carburetter system, including a diagram. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan052 | |
| Methods for accelerating engine warm-up using thermostatic control of jacket water and radiator shutters. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan053 | |
| Proposal to experiment with a new induction system to reduce engine detonation, including a diagram. | 21th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan054 | |
| Improved manifolding design scheme with advantages over the present Phantom. | 22th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan055 | |
| The condition and performance of Staybrite steel exhaust snouts after road testing on two cars. | 22th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan056 | |
| Report on the central lubrication for the 18-EX car after 10,000 miles. | 22th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan057 | |
| 10,000-mile report on the central lubrication system and chassis condition for vehicle 18-EX. | 22th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan058 | |
| Condition and lubrication of various vehicle components in a tabular format. | 22th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan059 | |
| Typed inspection report, page 3, detailing the condition of various bearings and units. | 22th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan060 | |
| Investigations into joint failures, wear on various components, and rectifications for drip plug lubrication issues. | 22th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan061 | |
| Examination report on the condition of dismantled front and rear springs. | 24th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan062 | |
| Status update on the 'SS' chassis, detailing test plans and improvements for frame oscillations. | 24th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan063 | |
| Progress report on tests concerning the chassis, starter, exhaust system, and shock absorbers. | 24th Jan 1929 | West Wittering \ T \ 2January1929-June1929 Scan064 | |
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