| Description | Date | Identifier | |
| List of drawings and their status for the EAC.10 engine. | 21th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan148 | |
| List of drawing numbers with titles and remarks on their status or necessary modifications. | 21th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan149 | |
| List of drawings and remarks concerning pistons, starter motors, and oil level indicators. | 22th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan150 | |
| The schematics, supply, and fitting of step brackets and running boards for a sports chassis. | 22th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan151 | |
| Design and die-casting of a cross web piston for the 20HP model, including a sketch. | 22th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan152 | |
| Drawings for a gearbox pedal arrangement, specifically the stop for the clutch pedal. | 23th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan153 | |
| Design improvements for the Phantom chassis to enhance ride quality and handling. | 23th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan154 | |
| Design of a sequence starter, including the proportions, teeth engagement, and helical angles. | 23th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan155 | |
| Brief general specification of the E.A.C. 10 engine and its differences from the present Phantom. | 28th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan156 | |
| Issues with a dummy Alpine Sports Chassis and plans for modifications and a second dummy. | 29th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan157 | |
| Design requirements for a press button switch for a sequence starter's simplified scheme. | 29th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan158 | |
| Engine detonation, pre-ignition and misfire issues when using French petrol. | 29th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan159 | |
| Performance of Silchrome valve steel and proposing further testing. | 29th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan160 | |
| Brief general specification of the EAC.10 chassis, detailing its development and improvements. | 30th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan161 | |
| Promising new chrome-nickel-tungsten valve steel for extended trials. | 6th Jan 1928 | West Wittering \ R \ October1927-December1927 Scan162 | |
| Road test report and evaluation of vehicle E.A.C. 7, detailing engine misfires, performance, and recommendations for improvements. | 31th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan163 | |
| Alternative arrangement for the INDIA3 brake mechanism and its pros and cons. | 31th Dec 1927 | West Wittering \ R \ October1927-December1927 Scan164 | |
| Parts and stock management for the transition to the EAC.10 Super Sports Model. | 6th Jan 1928 | West Wittering \ R \ October1927-December1927 Scan165 | |
| Modifications to the cylinder head and induction pipe arrangement for the 'INDIA 3' project. | 2nd Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan001 | |
| Alternative proposals for the 'SS' steering box, concerning the utility of the large versus small worm gear. | 3rd Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan002 | |
| Design modifications for an exhaust pipe flange, including a reduced bolt size and a material change for the spherical washer. | 5th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan003 | |
| Arrangement of the cylinder head and induction pipe for 'India 3', referencing drawing LeC. 2541. | 5th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan004 | |
| Cover note regarding an adjustable idler gear for India, referencing document LeC. 2539. | 5th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan005 | |
| Blueprint for an underfed induction pipe and the repositioning of the carburetter. | 5th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan006 | |
| Proposed modifications to the 'SS' Front Axle. | 5th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan007 | |
| Modifications to the 'SS' front axle and frame, including lowering it and changing the wheel hub bearings. | 11th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan008 | |
| Expressing disappointment with the design of the 'SS' rear end, petrol tank, and wheel carrier, proposing a simpler scheme. | 11th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan009 | |
| Potential solution for high-speed wobbles on the Phantom model using front engine arms. | 7th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan010 | |
| Flexibility issues in dashboards and scuttles, proposing reinforcement solutions. | 11th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan011 | |
| Issues with car magnetos for the Phantom model, considering materials and alternative suppliers. | 11th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan012 | |
| Technical note discussing the lubrication system for the bearings of an adjustable carrier wheel. | 11th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan013 | |
| Proposed design for an induction pipe with a supporting diagram. | 7th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan014 | |
| Carburetter design possibilities, including issues with volumetric efficiency and float clearance. | 12th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan015 | |
| Testing and use of aluminium alloy bearings for camshafts to save weight. | 12th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan016 | |
| Design preferences for induction pipes and carburetters for the India 3 project, referencing the 'SS' Phantom. | 12th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan017 | |
| Analysis of a vehicle skid, listing potential causes including road conditions, tyres, and driver action. | 1st Sep 1928 | West Wittering \ S \ 2April1928-June1928 Scan018 | |
| Steering fault, comparing to a Hispano-Suiza design and proposing a modification from a mechanical to a hydraulic system on the front axle. | 11th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan019 | |
| Merits of different dipping headlight schemes. | 11th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan020 | |
| Suggesting the purchase of a 1927 straight eight Bugatti to study its road holding and steering characteristics. | 16th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan021 | |
| Providing design feedback on the 'SS' hand brake system. | 12th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan022 | |
| Simplification of the 'India 3' engine suspension to reduce parts, cost, and weight. | 16th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan023 | |
| Alternative design for the central oiling connection to the back axle. | 17th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan024 | |
| From R. at Le Canadel regarding the satisfactory state of the 'SS' engine valve gear. | 14th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan025 | |
| Suggestion concerning the central oiling for the front anchorage of the rear spring, referencing a previous suggestion for India 3. | 17th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan026 | |
| Design disappointments and issues with the rear end and wheel carrier of the 'SS' EAC.10 chassis. | 14th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan027 | |
| Schemes for carrying luggage and spare wheels at the rear of various car models. | 14th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan028 | |
| Two sketches illustrating alternative spare wheel mounting arrangements at the rear of a vehicle. | 15th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan029 | |
| New schematic for lubricating dipping headlamp controls, proposing a simpler design to avoid using coils. | 15th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan030 | |
| Correct fitting of the rear shock damper stone shield for pipe protection. | 15th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan031 | |
| The 'SS' steering system's leverage, worm pitch, and potential mounting schemes. | 16th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan032 | |
| Steering performance, flexibility, and comparison with competitor vehicles. | 16th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan033 | |
| Choice of magnetos for cars, comparing British (Watford, Lucas) and German (Bosch) options. | 16th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan034 | |
| Blueprint for a new crankshaft design, detailing a seven-feed lubrication system and other potential alterations. | 17th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan035 | |
| Note regarding a blueprint modification for the lubricating system of an India 3 carrier wheel. | 17th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan036 | |
| Proposals for stiffening the steering column on the sports chassis. | 18th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan037 | |
| Potential alterations to the design and output of car dynamos. | 18th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan038 | |
| Failure of a prototype car lighting charge indicator and recommending against its fitment. | 21th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan039 | |
| Proposal and sketch for an 'SS' back wheel carrier design. | 18th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan040 | |
| Proposal to modify the steering on 20HP and Phantom models to lower the car's appearance and improve handling. | 21th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan041 | |
| Application of centralised chassis lubrication for the front spring shackle. | 18th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan042 | |
| Technical remarks and suggestions on the design for Phantom scuttle isolation. | 20th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan043 | |
| Obsolete parts and potential weaknesses of the Phantom Luggage Grid. | 20th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan044 | |
| Layout and potential standardisation of Phantom instrument boards. | 20th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan045 | |
| Non-acceptance of a 20HP rear wheel carrier and rigidity issues with the standard Phantom type. | 20th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan046 | |
| Solution to the difficulty of assembling the inner camshaft of the double rear brakes for the EAC. 14. & 'SS' rear axle. | 21th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan047 | |
| Feasibility of dismounting the 'SS' steering column without removing the engine. | 21th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan048 | |
| Crankchamber modifications and crankshaft lubrication, including a diagram. | 24th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan049 | |
| Questioning the necessity of a standard dashboard petrol gauge, citing cost and reliability. | 24th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan050 | |
| Correspondence regarding specifications for Phantom Dynamo armatures. | 25th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan051 | |
| Improvements to the Phantom's steering ratio, spring flexibility, and hydraulic damping systems. | 25th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan052 | |
| Phantom engine valve stretching, comparing different steel alloys, and proposing a strengthened valve design. | 25th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan053 | |
| Implementation and expectations of a central oiling system for both chassis. | 25th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan054 | |
| Offer from Solex to provide carburettors for testing. | 26th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan055 | |
| Proposed design modification to the Phantom valve stem. | 26th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan056 | |
| Requesting modifications and tests on Phantom induction pipes. | 26th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan057 | |
| Modifications to a universal joint and propeller shaft. | 28th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan058 | |
| Engine suspension for India 3, attaching document LeC. 2552. | 28th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan059 | |
| Knocking issue in the E.A.C. 7 starter motor and proposing potential solutions. | 28th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan060 | |
| Proposed improvements for a Phantom car in France before its 10,000-mile trial. | 28th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan061 | |
| Modifications to the magneto drive, proposing a new wheelcase and a Sims rubber coupling. | 28th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan062 | |
| Decision to not complete the 17-EX with Jarvis Sports Body to the highest possible standard in-house. | 28th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan063 | |
| Technical memorandum detailing specifications and conversion options for Phantom steering systems. | 28th Apr 1928 | West Wittering \ S \ 2April1928-June1928 Scan064 | |
| Necessity of increasing the Phantom's steering pendulum lever length to 10 inches. | 1st May 1928 | West Wittering \ S \ 2April1928-June1928 Scan065 | |
| List of 19 modifications for the Phantom car for France before its 10,000 miles test. | 1st May 1928 | West Wittering \ S \ 2April1928-June1928 Scan066 | |
| Urgent request detailing specifications for two types of pistons for the Phantom model. | 1st May 1928 | West Wittering \ S \ 2April1928-June1928 Scan067 | |
| Drawing LeC. 2554 for Phantom & E.A.C. 10 single bolt pedestal pistons with lower scraper ring. | 2nd May 1928 | West Wittering \ S \ 2April1928-June1928 Scan068 | |
| Over-run vibration, the effect of a lighter flywheel on a 20HP model, and rubber engine mounting. | 3rd May 1928 | West Wittering \ S \ 2April1928-June1928 Scan069 | |
| Modifications to the wheelcase, throttle governor, and induction pipe for the EAC.10 engine. | 4th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan070 | |
| Secret memo regarding the sending of schedules (N. schs. 2593/4) for safekeeping, with instructions that no work is to be done on them. | 5th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan071 | |
| Phantom valve stretch, proposing a heavier valve design and scrapping steel with high silicon. | 7th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan072 | |
| Cam design, valve gear clearances, and tappet settings for the Phantom & EAC.10 engines. | 7th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan073 | |
| Engine valve clearances, feeler gauges, and camshaft design, including proposals for the Phantom model. | 7th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan074 | |
| Secret memo discussing modifications to the Phantom radiator, bonnet, and dashboard for the G.2 'B' series and 'SS' chassis. | 7th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan075 | |
| Suitable design for a damped pendulum lever with laminated springs. | 9th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan076 | |
| Design and specifications for compensated type valve lift curves and cams. | 9th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan077 | |
| Modifications for a Phantom (12-EX) concerning centralised chassis lubrication and rear spring attachments. | 10th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan078 | |
| Alternative proposals for a centralised chassis lubrication system on the front axle. | 10th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan079 | |
| Typed letter suggesting changes to side steering lever lengths and requesting information on side steering tube springs. | 11th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan080 | |
| Scheme 2598, a wearing pad for the rear axle, and other modifications for a 10,000-mile test. | 11th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan081 | |
| Scheme 2599, a simplified arrangement for centralised chassis lubrication. | 11th May 1928 | West Wittering \ S \ 2April1928-June1928 Scan082 | |
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