| Description | Date | Identifier | |
| Graph plotting steering leverage and the instantaneous ratio of steering wheel to stub axle rotation. | 6th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan1 | |
| Graph plotting the instantaneous ratio of steering wheel rotation against stub axle rotation for a Hispano-Suiza system. | 6th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan2 | |
| The Mentor full charge or excessive voltage indicator. | 8th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan3 | |
| Instruction sheet regarding a special screw-cap lamp with a helical filament. | 29th Jun 1920 | West Wittering \ M \ 2April1925-June1925 Scan4 | |
| The testing and adjustment of an electrical instrument's voltage-sensitive contacts and heating coil. | 29th Jun 1920 | West Wittering \ M \ 2April1925-June1925 Scan5 | |
| Instructions on the function of a Meuter over-voltage indicator instrument. | 7th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan6 | |
| Cracked induction pipe bends and proposed modifications. | 15th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan8 | |
| Road tests of throttle governor alterations. | 30th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan9 | |
| Diagnosing and rectifying a high-speed lag issue by addressing friction in the camshaft and governor system. | 1st Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan10 | |
| Butterfly throttle control issues due to unbalanced motion and spring-induced load. | 21th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan11 | |
| Tests conducted on an E.A.C. throttle governor to address performance complaints. | 21th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan12 | |
| Investigations into the EAC throttle governor. | 1st Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan13 | |
| Performance data graphs for an E.A.C. throttle governor. | 1st Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan17 | |
| Tests for an ignition oil relay leather piston ring. | 1st Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan18 | |
| Cup leather failures in EAC engines due to high oil temperatures and oil viscosity. | 21th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan19 | |
| Issues with a sticking magneto and failures of cup leathers. | 21th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan20 | |
| Modifications made to the ignition advance, control springs, and associated linkage. | 21th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan21 | |
| Modifications to the oil relay ignition governor, focusing on piston sticking issues. | 1st Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan22 | |
| Investigations and tests of an oil relay governor. | 21th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan23 | |
| Graph showing the ignition advance curve for an ignition relay governor under extreme working conditions. | 20th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan24 | |
| Improvement to the throttle governor control shaft using ball bearings. | 21th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan26 | |
| Secret memo regarding a steering column failure on a 'V' Series car after 5,400 miles in France. | 1st Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan27 | |
| The construction and testing of a six-compartment Dagenite cell case battery for a 20 HP chassis. | 1st Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan28 | |
| Comparison of ebonite and wood separators of varying thickness in battery cells. | 8th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan29 | |
| The condition of wood and ebonite separators within battery cells. | 8th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan30 | |
| Comparative analysis of battery cell components, specifically different types of plates and separators. | 8th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan31 | |
| Diagram illustrating various types of battery plate sections and separator materials. | 22th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan32 | |
| The disassembly and testing of a Peto & Radford Composite battery from a 20 HP chassis. | 22th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan33 | |
| Battery variations, discussing cell disposition, and the use of ebonite and wood separators. | 22th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan34 | |
| The inspection and comparison of a 9-plate Peto & Radford battery with the standard 7-plate model. | 22th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan35 | |
| Secret memo discussing the throttle governor control, friction issues, and pedal movement specifications for EAC 'V' Series cars. | 27th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan36 | |
| Follow-up report on a Peto & Radford 20 HP battery inspection, discussing test conditions and cell performance. | 28th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan37 | |
| The testing of fabric couplings on a joggling rig. | 29th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan38 | |
| Preliminary report detailing a series of tests performed on various fabric couplings. | 29th Jun 1920 | West Wittering \ M \ 2April1925-June1925 Scan39 | |
| Graph showing E.A.C. engine heat flow to cooling water against B.HP at a constant speed of 1500 RPM. | 28th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan41 | |
| Graph showing the heat flow to cooling water with increasing exhaust back pressure for an E.A.C. engine at a constant 1500 RPM and 50 B.HP | 27th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan42 | |
| Results of a fabric coupling test and its real-world performance. | 29th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan43 | |
| Preliminary report on a series of fabric coupling tests. | 29th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan45 | |
| Tests on fabric couplings using a joggling rig. | 29th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan46 | |
| 10,000-mile test on an EAC 'V' Series car (93-NK) in France. | 2nd May 1925 | West Wittering \ M \ 2April1925-June1925 Scan47 | |
| The condition of a vehicle's suspension, radiator, and underbody, detailing a dynamo failure and a query about returning to England. | 28th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan48 | |
| Inspection report detailing the condition and required adjustments for various vehicle components, including axles, clutch, and exhaust. | 29th Jun 1920 | West Wittering \ M \ 2April1925-June1925 Scan49 | |
| Chassis 93-NK after 7,960 miles of use. | 28th Apr 1925 | West Wittering \ M \ 2April1925-June1925 Scan50 | |
| The mileage testing of Redmanol encased battery ignition coils. | 4th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan51 | |
| Bumping test of an India chassis rear, noting a dumb iron failure due to poor brazing. | 1st May 1925 | West Wittering \ M \ 2April1925-June1925 Scan52 | |
| The first road test of an 'India' model with 4-wheel brakes, detailing brake, steering, and gearbox performance. | 25th Sep 1924 | West Wittering \ M \ 2April1925-June1925 Scan54 | |
| The production and testing of 'India' type cars with and without 4-wheel brakes. | 4th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan55 | |
| Rear axle, spring and dumb iron failures on a 20 HP 'India' chassis with a wider track. | 6th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan56 | |
| Circuit diagram of the condenser and contact points for an R distributor, for both positive and non-positive earthing connections. | 7th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan57 | |
| Instructions regarding a contact breaker screw, grip connection, and an attached illustrative diagram. | 7th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan58 | |
| Analysis of an earthing connection for the distributor and condenser case on a 20 HP model. | 7th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan59 | |
| Improving electrical connections for ignition systems, emphasizing cleanliness and design superiority. | 7th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan60 | |
| The importance of minimizing inductance and ohmic resistance in ignition system circuits. | 7th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan61 | |
| Technical analysis of the electrical characteristics and requirements of an ignition system's local circuit. | 7th May 1928 | West Wittering \ M \ 2April1925-June1925 Scan62 | |
| Explaining the circuit connections for a battery ignition system. | 7th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan63 | |
| 'dirting up' of contact breaker points in the ignition circuit, comparing the EAC and 20 HP models. | 7th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan64 | |
| Dynamo and ignition contact point issues. | 17th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan65 | |
| Potential commutation and overheating issues and the performance of brushes on a 29 coil armature. | 9th May 1935 | West Wittering \ M \ 2April1925-June1925 Scan66 | |
| Improving dynamo performance through modifications to brush holders and air gap adjustments. | 9th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan67 | |
| Modifying dynamo brush dimensions to improve output at slower speeds. | 19th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan68 | |
| Investigation into EAC dynamo performance concerning a change in armature and circumferential brush widths. | 19th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan69 | |
| The condition of a vehicle's exhaust, undercarriage, and electrical systems. | 8th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan70 | |
| The condition and performance of various vehicle components after mileage. | 1st Aug 1925 | West Wittering \ M \ 2April1925-June1925 Scan71 | |
| The condition and cracking of C.S. Springs (Firths). | 1st May 1925 | West Wittering \ M \ 2April1925-June1925 Scan72 | |
| Engine condition, front axle, and a comprehensive analysis of front spring leaf failures. | 1st May 1925 | West Wittering \ M \ 2April1925-June1925 Scan73 | |
| Chassis 93-NK after completing 12,235 miles. | 8th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan74 | |
| Issues found with the 'India' model with front wheel brakes before a 10,000-mile test. | 12th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan76 | |
| Investigation into oil lubrication for the 'India' 4-speed gearbox worm and worm wheel. | 16th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan77 | |
| Front axle torsion and servo efficiency tests. | 20th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan78 | |
| The brake distribution and leverage for the 'India' four-wheel brake system. | 20th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan79 | |
| Mostly blank cover sheet overlying a blue document. | 5th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan80 | |
| The proposed design and experimentation of an iron core coil to improve spark utility. | 5th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan81 | |
| Potential experiments and improvements for ignition coils. | 20th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan82 | |
| Experiments on annealed copper dynamo commutators compared to hard-drawn copper. | 20th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan83 | |
| Data table detailing chassis load, movement, and wear allowances for different models. | 23th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan84 | |
| 'India' front axle brake levers fouling the axle during brake application. | 23th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan85 | |
| Spring failures, showing test duration, chassis position, fracture details, and material properties. | 1st May 1925 | West Wittering \ M \ 2April1925-June1925 Scan86 | |
| The failure of chassis cross members and spring stops during testing. | 22th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan87 | |
| Bump test of a 20 HP 'India' chassis, detailing frame specifications and breakages. | 25th Sep 1924 | West Wittering \ M \ 2April1925-June1925 Scan88 | |
| Bumping test for an 'India' Rear Axle with a wider track. | 23th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan89 | |
| Servo braking efficiency and distribution in relation to car weight. | 1st May 1925 | West Wittering \ M \ 2April1925-June1925 Scan90 | |
| Continuation of an inspection report on the condition of various mechanical components. | 1st May 1925 | West Wittering \ M \ 2April1925-June1925 Scan92 | |
| The condition of various vehicle components. | 20th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan93 | |
| Performance and issues with various vehicle components including the exhaust, clutch and steering. | 25th Sep 1924 | West Wittering \ M \ 2April1925-June1925 Scan94 | |
| The examination and condition of various vehicle components after testing, including engine, axle, and springs. | 20th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan95 | |
| The condition of Chassis 93-NK after 15,447 miles of testing. | 25th Sep 1924 | West Wittering \ M \ 2April1925-June1925 Scan96 | |
| Cover memo for an attached report from France regarding car 93-NK after 15,447 miles. | 18th Mar 1926 | West Wittering \ M \ 2April1925-June1925 Scan97 | |
| Performance graph comparing representative output curves of E.A.C. and 20 HP dynamos against RPM and MPH. | 18th Mar 1926 | West Wittering \ M \ 2April1925-June1925 Scan99 | |
| Graph showing specified and representative output curves for E.A.C. and 20 HP dynamos. | 26th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan100 | |
| Dynamo performance curves, comparing different armatures and suggesting improvements. | 28th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan101 | |
| New and previous performance curves for dynamos. | 28th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan102 | |
| Secret memorandum discussing torque multiplication and rod loads for the India 4-wheel brake system. | 29th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan104 | |
| Reporting a broken N.S. front spring on a 20 HP car during tests in France. | 1st Jun 1925 | West Wittering \ M \ 2April1925-June1925 Scan107 | |
| Broken front spring after 2,500 miles during testing in France. | 24th Aug 1935 | West Wittering \ M \ 2April1925-June1925 Scan108 | |
| Mr. Royce's views on direct braking versus servo power, with calculations for modifying brake components. | 9th Jun 1925 | West Wittering \ M \ 2April1925-June1925 Scan109 | |
| Adjustments to the proportions of direct and servo-assisted braking. | 29th Jan 1929 | West Wittering \ M \ 2April1925-June1925 Scan110 | |
| Excessive front brake wear attributed to sand from the roads entering the drums. | 8th Jun 1925 | West Wittering \ M \ 2April1925-June1925 Scan111 | |
| The condition of various vehicle components after testing. | 1st Jun 1925 | West Wittering \ M \ 2April1925-June1925 Scan112 | |
| The condition of various vehicle components after 17,692 miles of testing. | 1st Jun 1925 | West Wittering \ M \ 2April1925-June1925 Scan113 | |
| The condition of vehicle components including the axle, springs, and exhaust. | 27th May 1925 | West Wittering \ M \ 2April1925-June1925 Scan114 | |
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