| Description | Date | Identifier | |
| Blueprint showing a modification to a carburetor body for a Phantom Legacy 3432. | 7th Nov 1933 | Box 13 \ 4 04-page181 | |
| Performance graph from power tests of an 8.1 Litre Phantom engine, comparing various carburetor and component setups. | 1st Apr 1938 | Box 13 \ 4 04-page182 | |
| Patent infringement with the Phantom II chassis carburetter's slow running device and the need to standardise a new design. | 7th Nov 1933 | Box 13 \ 4 04-page183 | |
| Investigation and rectification of a valve gear and tappet noise complaint on a customer's car. | 30th Nov 1933 | Box 13 \ 4 04-page184 | |
| Troubleshooting and rectifying issues with valve gear, tappets, and carburettor settings on a car. | 1st Dec 1933 | Box 13 \ 4 04-page185 | |
| Modifications for Phantom II semi-expanding carburettors to resolve performance issues. | 1st Dec 1933 | Box 13 \ 4 04-page186 | |
| Customer complaint regarding noisy valve gear and intermittent valve sticking on car 16-MY. | 1st Dec 1933 | Box 13 \ 4 04-page187 | |
| Investigation and rectification of a persistent valve gear noise in a customer's car, No. 10-MX. | 1st Dec 1935 | Box 13 \ 4 04-page188 | |
| Diagnosing and rectifying engine trouble related to valves, tappets, and carburetter modifications. | 1st Dec 1932 | Box 13 \ 4 04-page189 | |
| Request to modify the carburetter from chassis 22-EX to the existing standard specification. | 10th Jan 1934 | Box 13 \ 4 04-page190 | |
| New throttle edge carburation scheme for the Phantom II. | 17th Jan 1934 | Box 13 \ 4 04-page191 | |
| Testing a new worm and wheel adjustment for throttle edge carburation on a 22-EX Car. | 17th Jan 1934 | Box 13 \ 4 04-page192 | |
| Faulty slow running in the Phantom II carburation after a hard run and potential solutions. | 17th Jan 1934 | Box 13 \ 4 04-page193 | |
| Issue and subsequent modification for the Phantom II Starting Carburetter Control. | 31th Jan 1934 | Box 13 \ 4 04-page194 | |
| Modification to the starting carburetter control to prevent unwanted movement from its closed position. | 27th Jan 1934 | Box 13 \ 4 04-page195 | |
| Blueprint detailing an external oil control linkage mechanism. | 31th Jan 1934 | Box 13 \ 4 04-page196 | |
| Complaint and modifications for the starting carburetter control on Phantom II cars. | 31th Jan 1934 | Box 13 \ 4 04-page197 | |
| Modification to the Phantom II Starting Carburetter Control. | 1st Mar 1934 | Box 13 \ 4 04-page198 | |
| Standardisation of parts for a Phantom II starting carburetter control. | 1st Mar 1934 | Box 13 \ 4 04-page199 | |
| List of modifications required for the Phantom II Semi-Expanding Carburetter to make it suitable for production. | 25th Jul 1934 | Box 13 \ 4 04-page200 | |
| Standardisation of an enlarged semi-expanding carburetter. | 27th Sep 1934 | Box 13 \ 4 04-page201 | |
| Cost estimate for extra jigs, tools, and equipment for the 'T' series chassis. | 3rd Sep 1934 | Box 13 \ 4 04-page202 | |
| Oil intake issue on the Phantom II carburetter and a proposed rocker cover replacement. | 28th Nov 1934 | Box 13 \ 4 04-page203 | |
| On two unsatisfactory features of a larger choke carburetter fitted to a Phantom II 'T2' series chassis. | 5th Feb 1935 | Box 13 \ 4 04-page204 | |
| Request to fit a rocker cover with a breather to chassis 28-EX for a Phantom II. | 14th Feb 1935 | Box 13 \ 4 04-page205 | |
| Modifications for the Phantom II larger choke carburetter, including the rocker cover baffle and throttle closing spring. | 8th Feb 1935 | Box 13 \ 4 04-page206 | |
| Investigations into carburetter flat spots on the 40/50 HP model. | 29th Apr 1935 | Box 13 \ 4 04-page207 | |
| The arrangement of the EAC.1 spare wheel carrier and provisions for balloon tyres. | 27th Nov 1925 | Box 13 \ 5 Spare05-page001 | |
| Modifications to the New Phantom spare wheel carrier. | 9th Mar 1926 | Box 13 \ 5 Spare05-page002 | |
| Additional information for the rear wheel carrier and luggage grid. | 8th Jan 1927 | Box 13 \ 5 Spare05-page003 | |
| Safekeeping of unfinished drawings for a rear wheel carrier and luggage grid. | 20th Jan 1927 | Box 13 \ 5 Spare05-page004 | |
| Design improvements for the luggage grid and rear wheel mounting. | 23th Jan 1927 | Box 13 \ 5 Spare05-page005 | |
| Design alternatives and instructions for the handle on a spare wheel carrier. | 23th Aug 1927 | Box 13 \ 5 Spare05-page006 | |
| Inaccessible screwed handle on a spare wheel carrier and attaching a reply. | 25th Aug 1927 | Box 13 \ 5 Spare05-page007 | |
| Replacement and fitting of the rear spare wheel carrier and luggage grid. | 15th Nov 1927 | Box 13 \ 5 Spare05-page008 | |
| Elusive knock on the Phantom spare wheel carrier and potential design changes. | 13th Mar 1928 | Box 13 \ 5 Spare05-page009 | |
| The replacement and fitting instructions for the rear spare wheel carrier and luggage grid. | 16th Nov 1927 | Box 13 \ 5 Spare05-page010 | |
| Proposals for the rear end of a frame and associated components. | 31th Mar 1928 | Box 13 \ 5 Spare05-page011 | |
| Expressing disappointment with the 'SS' rear end components, proposing a simpler scheme. | 7th Apr 1928 | Box 13 \ 5 Spare05-page012 | |
| Design issues and alternative schemes for the rear end, wheel carrier, and luggage grid of the EAC.10 chassis. | 14th Apr 1928 | Box 13 \ 5 Spare05-page013 | |
| Luggage carrier and chassis design schemes for specific projects. | 18th Apr 1928 | Box 13 \ 5 Spare05-page014 | |
| Design proposal and diagram for a back wheel carrier, discussing materials and mounting options. | 18th Apr 1928 | Box 13 \ 5 Spare05-page015 | |
| Criticisms of the rear wheel carrier for the 20 HP Phantom type, specifically its lack of rigidity. | 20th Apr 1928 | Box 13 \ 5 Spare05-page016 | |
| Modifications to the 'SS' chassis rear end, referencing changes to the wheel carrier and grid. | 17th May 1928 | Box 13 \ 5 Spare05-page017 | |
| Issue with the Phantom's rear wheel and luggage carrier. | 13th Jun 1928 | Box 13 \ 5 Spare05-page018 | |
| The inaccessibility of the Phantom rear wheel carrier fixing bolt and a proposed solution. | 22th Aug 1928 | Box 13 \ 5 Spare05-page019 | |
| New arrangement for a luggage box and two wheels at the rear for the 18-EX model. | 20th Oct 1928 | Box 13 \ 5 Spare05-page020 | |
| Car riding qualities concerning the rear end, body length, and weight distribution. | 20th Oct 1928 | Box 13 \ 5 Spare05-page021 | |
| Secret memo discussing proposed schemes for luggage and wheel accommodation at the rear of a vehicle. | 27th Oct 1928 | Box 13 \ 5 Spare05-page022 | |
| Telegram response regarding the design policy for a double spare wheel carrier. | 7th Nov 1928 | Box 13 \ 5 Spare05-page023 | |
| Internal memorandum regarding the design specifications for a two-wheel-only rear carrier for 'SS' cars. | 14th Nov 1928 | Box 13 \ 5 Spare05-page024 | |
| Instruction to use a spare wheel carrier for car 19-EX similar to the one used for 18-EX. | 23th Nov 1928 | Box 13 \ 5 Spare05-page025 | |
| Comparing the 'SS' chassis with competitors and the Phantom model, discussing wheelbase, springs, and potential design improvements. | 26th Dec 1928 | Box 13 \ 5 Spare05-page026 | |
| Chassis design, comparing length, springing, and spare wheel options against the Phantom model. | 21th Dec 1928 | Box 13 \ 5 Spare05-page027 | |
| Continued portion of a typed memo defending a decision or system. | 1st Jan 1929 | Box 13 \ 5 Spare05-page028 | |
| Offering opinions and recommendations on various vehicle components including the wheel carrier, bonnet, screen, horn, and bodywork for experimental models. | 1st Jan 1929 | Box 13 \ 5 Spare05-page029 | |
| Arrangement of spare wheels and luggage on the rear of the 'SS' Chassis. | 15th Jan 1929 | Box 13 \ 5 Spare05-page030 | |
| Policy to fit one S.S. car with side wheel carriers. | 16th Jan 1929 | Box 13 \ 5 Spare05-page031 | |
| Various schemes for luggage and spare wheel arrangements on 'SS' models. | 17th Jan 1929 | Box 13 \ 5 Spare05-page032 | |
| 'SS' Luggage Grid & Side Wheel Carrier, referencing drawing N.Sch.2811 and modifications required. | 28th Jan 1929 | Box 13 \ 5 Spare05-page033 | |
| New rear wheel carrier and single filter design for the 16-G-4 model intended for India. | 6th Feb 1929 | Box 13 \ 5 Spare05-page034 | |
| Road test report and critique of the 'SS SPECIMEN 18-EX' car after extensive mileage. | 1st Feb 1929 | Box 13 \ 5 Spare05-page035 | |
| Typed memo discussing design improvements for car body elements like screens, wheel carriers, and bonnets. | 12th Feb 1929 | Box 13 \ 5 Spare05-page036 | |
| Options for carrying spare wheels and luggage on the 'SS' chassis. | 12th Feb 1929 | Box 13 \ 5 Spare05-page037 | |
| Testing the placement of a spare wheel and luggage box to manage weight distribution and improve ride quality. | 12th Feb 1929 | Box 13 \ 5 Spare05-page038 | |
| Fault analysis report for the 'SS' Spare Wheel Carrier, scheme N.SCH.2760. | 12th Feb 1929 | Box 13 \ 5 Spare05-page039 | |
| List of required modifications for clearances on a wheel carrier, dummy hub, and a number plate locking device. | 13th Feb 1929 | Box 13 \ 5 Spare05-page040 | |
| Blueprint showing a cross-section of a wheel hub assembly with modification notes. | 13th Feb 1929 | Box 13 \ 5 Spare05-page041 | |
| Rear end of an 'SS' Chassis and the choice between Lucas and German-made electric windscreen wipers. | 12th Feb 1929 | Box 13 \ 5 Spare05-page042 | |
| Arrangement for carrying luggage on 'SS' chassis cars, criticising luggage grids and proposing a built-in luggage box. | 13th Feb 1929 | Box 13 \ 5 Spare05-page043 | |
| Design and integration of the luggage box on the 18-EX model. | 13th Feb 1929 | Box 13 \ 5 Spare05-page044 | |
| Blueprint showing the side elevation of a vehicle's front section with a side-mounted spare wheel. | 14th Feb 1929 | Box 13 \ 5 Spare05-page045 | |
| Secret internal memo from 'Sg.' to 'Hs.' discussing the rear end of the 'SS' Chassis. | 14th Feb 1929 | Box 13 \ 5 Spare05-page046 | |
| Rear end of the 'SG' chassis and its luggage carrying capacity. | 15th Feb 1929 | Box 13 \ 5 Spare05-page047 | |
| Notes on rear end arrangements for luggage and spare wheels on the 'SS' chassis. | 15th Feb 1929 | Box 13 \ 5 Spare05-page048 | |
| Notes on addressing sales resistance and improving luggage capacity for the 'SS' model compared to the Phantom. | 15th Feb 1929 | Box 13 \ 5 Spare05-page049 | |
| New proposal and redesign for side spare wheel carriers. | 18th Feb 1929 | Box 13 \ 5 Spare05-page050 | |
| Design modifications for the 'SS' and India spare wheel carrier. | 19th Feb 1929 | Box 13 \ 5 Spare05-page051 | |
| Letter discussing a new rear wheel carrier design for close coupled coupe models. | 25th Feb 1929 | Box 13 \ 5 Spare05-page052 | |
| Requesting urgent work on a side wheel carrier and a detachable cross member. | 1st Mar 1929 | Box 13 \ 5 Spare05-page053 | |
| 20 HP rear, a side wheel carrier print, and a Barker enclosed limousine. | 2nd Mar 1929 | Box 13 \ 5 Spare05-page054 | |
| Instructions and a design correction for the forging of a side wheel carrier for SS. X7600. | 19th Mar 1929 | Box 13 \ 5 Spare05-page055 | |
| Design notes and sketches for a side wheel carrier. | 22th Mar 1929 | Box 13 \ 5 Spare05-page056 | |
| Agreed combinations and options for spare wheels and carriers. | 5th Apr 1929 | Box 13 \ 5 Spare05-page057 | |
| Page 2 of a document stating an item is a combination of those previously quoted. | 5th Apr 1929 | Box 13 \ 5 Spare05-page058 | |
| Communication regarding the 'SS' side spare wheel carrier and a disagreement over an engine foot. | 8th Apr 1929 | Box 13 \ 5 Spare05-page059 | |
| Modifications to SS. rear wheel carriers for model 25-EX to accommodate a special petrol tank. | 17th Apr 1929 | Box 13 \ 5 Spare05-page060 | |
| Confirmation of a telegram agreeing to design changes for a carrier with shorter tubes and a shallow trough in the runningboard. | 11th Jun 1929 | Box 13 \ 5 Spare05-page061 | |
| Request to fit a rear spare wheel carrier with luggage grid and a side wheel carrier to a bumper chassis. | 21th Jun 1929 | Box 13 \ 5 Spare05-page062 | |
| Query regarding a standardisation sheet for the rear spare wheel carrier on a 40/50 HP J.2 series chassis. | 2nd Jul 1929 | Box 13 \ 5 Spare05-page063 | |
| Urging the release of material for J.2 Series spare wheel carriers and luggage grids to avoid production delays. | 9th Jul 1929 | Box 13 \ 5 Spare05-page064 | |
| Failures with a side spare wheel carrier plate during road and bump testing. | 26th Aug 1929 | Box 13 \ 5 Spare05-page065 | |
| Report discussing wheel and carrier plate issues on 20 HP and S.S. models, and a proposed solution. | 29th Aug 1929 | Box 13 \ 5 Spare05-page066 | |
| Modifications and improvements to the 20HP side wheel carrier. | 29th Aug 1929 | Box 13 \ 5 Spare05-page067 | |
| Increasing the length of a bolthead and investigating frame stiffening for Ss and 20HP models. | 24th Jun 1929 | Box 13 \ 5 Spare05-page068 | |
| Standardisation report for a rear spare wheel carrier and luggage grid. | 24th Jun 1929 | Box 13 \ 5 Spare05-page069 | |
| Issues with spare wheel carriers, specifically bolt gripping problems and poor finish quality. | 17th Oct 1929 | Box 13 \ 5 Spare05-page070 | |
| Recommended improved parts to be incorporated into the Phantom II model production. | 15th Oct 1929 | Box 13 \ 5 Spare05-page071 | |
| Technical memorandum discussing vehicle improvements including radiator filters, central lubrication, and shock absorbers. | 15th Oct 1929 | Box 13 \ 5 Spare05-page072 | |
| Shock absorber loads and wear, distinguishing the issue from ball joint problems. | 30th Oct 1929 | Box 13 \ 5 Spare05-page073 | |
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