| Description | Date | Identifier | |
| Tests on a modified petrol supply system using a reduced volume pump and vacuum tank. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan241 | |
| Table of results for Autovac tests showing induction pipe depression on a 40/50 Silver Ghost. | 5th May 1923 | West Wittering \ N \ 2October1925-December1925 Scan242 | |
| Table of results from Autovac tests on a 40/50 HP Silver Ghost using an old pressure pump. | 1st Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan243 | |
| Cover memo for a report on chassis 8-EX after completing 7,500 miles. | 1st Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan244 | |
| Chassis 8 EX after completing 7,500 miles, detailing engine condition, lubrication, valves, pistons, and ignition plugs. | 2nd Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan245 | |
| Condition report on various engine components, including details on an oil leak and exhaust system modifications. | 2nd Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan246 | |
| Vehicle condition report detailing the state of various engine and exhaust components. | 2nd Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan247 | |
| Condition report on various vehicle components including ignition, engine, and steering systems. | 2nd Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan248 | |
| Condition report on various vehicle components including the gearbox, servo, clutch, and starter motor. | 10th Oct 1925 | West Wittering \ N \ 2October1925-December1925 Scan249 | |
| The condition of various chassis components including brakes, axles, steering, springs and headlights after testing. | 10th Oct 1925 | West Wittering \ N \ 2October1925-December1925 Scan250 | |
| Condition report on the front shock absorbers, rear axle, rear brakes, and petrol tank. | 10th Oct 1925 | West Wittering \ N \ 2October1925-December1925 Scan251 | |
| Post-test condition report for various vehicle components and a summary of test statistics. | 7th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan252 | |
| The causes and solutions for 'servo jaggers' in braking systems. | 7th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan253 | |
| The comparison of 3 and 7 oil feeds to crankshaft bearings. | 7th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan254 | |
| New Phantom engine oil flow, comparing tests with 7 and 3 direct oil feeds. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan255 | |
| Oil consumption and discharge through engine bearings, comparing results from 3 and 7 oil feeds. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan256 | |
| With a graph showing oil consumption and discharge for an engine with 7 and 3 bearing feeds. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan257 | |
| Investigating oil pressure differences between main and intermediate engine bearings. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan258 | |
| Showing engine oil pressure in various bearings plotted against engine RPM. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan259 | |
| Calculated oil pressure at big ends due to centrifugal force and the effects of bearing leakage. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan260 | |
| Report and graph detailing oil consumption for the 40/50 HP (Silver Ghost) engine, with comparisons to the Phantom model. | 7th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan261 | |
| Oil temperature and flow characteristics for Phantom and 40/50 HP engines. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan262 | |
| Page discussing the factors influencing oil temperature in bearings and comparing different oil flows. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan263 | |
| The failure of bolts holding the front end of a Phantom's subframe. | 12th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan264 | |
| Magnetos without automatic advance for the new Phantom chassis. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan266 | |
| The comparative bench tests of B.T.H. and Watford magnetos, focusing on noise, weight, and price. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan267 | |
| Comparing the specifications of Watford and B.T.H. magnetos. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan268 | |
| Endurance, circuit, and utility tests on two magnetos with tabulated results. | 12th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan269 | |
| Magneto and Remy coil tests, detailing spark gap and performance measurements. | 18th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan270 | |
| Page comparing high and low speed sparking characteristics of different magnetos. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan271 | |
| Continuation on steering column backlash and magneto noise comparison. | 10th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan272 | |
| Specification of performance for a 6-cylinder magneto without automatic advance for the 40/50 car. | 25th Feb 1925 | West Wittering \ N \ 2October1925-December1925 Scan273 | |
| Testing procedures for a magneto's spark-producing capability under various adverse conditions and speeds. | 25th Feb 1925 | West Wittering \ N \ 2October1925-December1925 Scan274 | |
| Specifications for magneto operation, including minimum sparking speed and timing adjustments. | 8th Nov 1925 | West Wittering \ N \ 2October1925-December1925 Scan275 | |
| Graph showing the variation of O.C. volts with the hand lever position for a B.T.H. Magneto Type FM6. | 8th Nov 1925 | West Wittering \ N \ 2October1925-December1925 Scan276 | |
| Curve showing the variation of O.C. volts with cam lever position for a Watford E06A Magneto No 73970. | 27th Nov 1925 | West Wittering \ N \ 2October1925-December1925 Scan277 | |
| Tests on high-speed steering wobbles by altering wheel and pivot pin configurations. | 8th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan278 | |
| Steering wobbles, friction, and the effect of wheel dishing. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan279 | |
| Schematic showing the distance between the point of intersection of the pivot and the centre line of the tyre. | 8th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan280 | |
| The Autovac Galometer, an instrument for registering the volume of petrol used by an engine. | 9th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan281 | |
| The operation and calibration of the Autovac fuel measurement system, page 2. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan282 | |
| The relative petrol levels in a float chamber and outer reservoir. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan283 | |
| Petrol levels, a Galometer, and fitting a measuring Autovac to a Phantom tank. | 12th Aug 1925 | West Wittering \ N \ 2October1925-December1925 Scan284 | |
| Comparing the particulars of a 'Measuring Autovac' with a 'Standard Autovac'. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan285 | |
| Comparing the Stewart Vacuum Feed system with the Autovac system on a Phantom engine. | 12th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan286 | |
| Comparing the Stewart tank float and the Autovac system's effect on the engine's induction. | 14th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan287 | |
| Cross-sectional diagram of a Stewart Vacuum Tank with component annotations and dimensions. | 15th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan288 | |
| The 10,000 miles test of the 8-EX car in France, detailing oiling performance. | 15th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan289 | |
| The performance of Chassis 8 EX following a 10,000-mile test. | 10th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan290 | |
| Test report on the condition of various engine components following a mileage run. | 1st Sep 1970 | West Wittering \ N \ 2October1925-December1925 Scan291 | |
| The condition and performance of controls, induction pipe, carburetter, and exhaust system components after testing. | 1st Sep 1970 | West Wittering \ N \ 2October1925-December1925 Scan292 | |
| Status report on various vehicle components including the exhaust, magneto, suspension, and drive systems. | 1st Sep 1970 | West Wittering \ N \ 2October1925-December1925 Scan293 | |
| Test report on the condition of various vehicle components after testing. | 1st Sep 1970 | West Wittering \ N \ 2October1925-December1925 Scan294 | |
| Condition of various vehicle components after testing, including the bonnet, radiator, and steering system. | 1st Sep 1970 | West Wittering \ N \ 2October1925-December1925 Scan295 | |
| Test report on the performance of steering, gearbox, servo, starter motor, and other vehicle components. | 1st Sep 1970 | West Wittering \ N \ 2October1925-December1925 Scan296 | |
| Test report detailing the condition and wear of various chassis and powertrain components. | 1st Sep 1970 | West Wittering \ N \ 2October1925-December1925 Scan297 | |
| Condition report on front brakes, springs, headlights, and shock absorbers following a 10,000-mile test. | 1st Sep 1970 | West Wittering \ N \ 2October1925-December1925 Scan298 | |
| Condition report on various vehicle components after a mileage test, page 10. | 1st Oct 1925 | West Wittering \ N \ 2October1925-December1925 Scan299 | |
| The condition of a vehicle's body subframe, pedals, and chassis after testing, including performance data. | 15th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan300 | |
| Oiling tests for the Phantom model. | 15th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan301 | |
| Oil feed and consumption tests for the Phantom and Silver Ghost models. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan302 | |
| Showing oil consumption on a Silver Ghost with graphs for varying oil pressures and flow rates from road tests. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan303 | |
| Oil feed arrangements and leakage tests on Phantom and Silver Ghost cars. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan304 | |
| Oil discharge from Phantom engine bearings, comparing results with and without grooves in the intermediate bearings. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan305 | |
| The causes of overoiling and the factors that control oil consumption. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan306 | |
| Methods to reduce oil consumption in engines, specifically discussing 'L' section piston rings and piston designs. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan307 | |
| Modifications being made to a Phantom engine for bench and road testing. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan308 | |
| Unsuccessful testing of a spring-based solution for 'servo jaggers' and recommending flexibility in the servo engagement. | 16th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan309 | |
| Daimler car, analysing the reasons for a lower risk of wobbles. | 31th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan310 | |
| The particulars and engine performance of a new Daimler car following a trial run. | 31th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan311 | |
| Over-oiling tests, gearbox noise, and clutch performance. | 31th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan312 | |
| Evaluating the steering, brakes, suspension, and rear axle performance of a vehicle. | 12th Jun 1925 | West Wittering \ N \ 2October1925-December1925 Scan313 | |
| The road performance of a Daimler car, detailing its acceleration, high-speed vibrations, and a hill climb test. | 31th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan314 | |
| Road tests of a Daimler car, focusing on balloon tyres and wobble risk. | 31th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan315 | |
| Trial run report for a new Daimler, detailing vehicle particulars and engine performance. | 31th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan316 | |
| Test report on engine over-oiling, gearbox noise, clutch performance, and steering gearing. | 1st Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan317 | |
| Test report page evaluating vehicle performance, covering tyres, steering, brakes, and suspension. | 31th Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan318 | |
| The road performance and general impression of a car, including a timed hill climb test on Brockley Hill. | 1st Dec 1925 | West Wittering \ N \ 2October1925-December1925 Scan319 | |
| The performance and specifications of 'India' front springs with varying stiffness on 20 HP cars. | 1st Jul 1925 | West Wittering \ N \ July1925-September1925 Scan0 | |
| Continued memo asking which springs to standardise. | 27th Jun 1925 | West Wittering \ N \ July1925-September1925 Scan1 | |
| Secret memo discussing the testing of stronger springs for front wheel brakes on cars intended for India. | 29th Jun 1925 | West Wittering \ N \ July1925-September1925 Scan2 | |
| Tests of contact breaker rubbing block material, with a focus on Bone Grey Fibre. | 1st Jul 1925 | West Wittering \ N \ July1925-September1925 Scan3 | |
| Test report comparing the properties of bone grey fibre and continental bakelite, recommending its standardisation. | 7th Jul 1925 | West Wittering \ N \ July1925-September1925 Scan4 | |
| Hygroscopic and wear tests comparing bakelite and bone grey fibre materials. | 15th Jul 1924 | West Wittering \ N \ July1925-September1925 Scan5 | |
| Series of wear tests on continental bakelite and bone grey fibre materials under various lubrication and running conditions. | 1st Jul 1925 | West Wittering \ N \ July1925-September1925 Scan6 | |
| Test report detailing wear results for 'Bone grey fibre' samples under various chassis and bench conditions. | 1st Jul 1925 | West Wittering \ N \ July1925-September1925 Scan7 | |
| Test results for bone grey fibre samples run on different chassis. | 17th Jun 1925 | West Wittering \ N \ July1925-September1925 Scan8 | |
| Report on the R.A.E. petrol pump being fitted to Direct Drive Condor engines. | 1st Jul 1925 | West Wittering \ N \ July1925-September1925 Scan9 | |
| The performance of a geared type R.A.E. petrol pump. | 27th Jun 1925 | West Wittering \ N \ July1925-September1925 Scan10 | |
| Performance data report comparing the average of 8 R.A.E. pumps with an original R.A.E. pump on a Condor engine. | 22th Jun 1925 | West Wittering \ N \ July1925-September1925 Scan11 | |
| The alterations for the 'W' series chassis. | 1st Jul 1925 | West Wittering \ N \ July1925-September1925 Scan12 | |
| Proposal to fit duralumin connecting rods to the E.A.C. engine to reduce vibration and weight. | 3rd Jul 1925 | West Wittering \ N \ July1925-September1925 Scan13 | |
| Customer complaints of uneven slow running caused by the autovac system on Silver Ghost cars. | 4th Jul 1925 | West Wittering \ N \ July1925-September1925 Scan14 | |
| Troubleshooting a rich fuel mixture issue caused by the autovac system. | 4th Jul 1925 | West Wittering \ N \ July1925-September1925 Scan15 | |
| Letter from Autovac Mfg. Co. regarding experiments to improve their apparatus. | 3rd Jul 1925 | West Wittering \ N \ July1925-September1925 Scan16 | |
| Fitting new aluminium induction parts, using water heating, and improved tappets to a 7-EX car chassis. | 6th Jul 1925 | West Wittering \ N \ July1925-September1925 Scan17 | |
| Wider dash, louvered bonnet, and radiator modifications. | 6th Jul 1925 | West Wittering \ N \ July1925-September1925 Scan18 | |
| Modifications to the radiator, luggage grid, and gearbox mechanism. | 1st Jul 1925 | West Wittering \ N \ July1925-September1925 Scan19 | |
| Issues with springs, petrol tank design, and instrument layout. | 6th Jul 1925 | West Wittering \ N \ July1925-September1925 Scan20 | |
| Modifications to a cylindrical tank, rear brake adjustment covers, shutter control, and a list of further new parts to be fitted. | 1st Jul 1925 | West Wittering \ N \ July1925-September1925 Scan21 | |
| | | | |