| Description | Date | Identifier | |
| Letter to Peto & Radford regarding the fitting of new vent plugs to different battery models. | 1st Dec 1930 | Box 168b \ 3 img311 | |
| Test results for a battery after 1 year and 7 months of use, including low and high rate discharge data. | 31th Dec 1930 | Box 168b \ 3 img312 | |
| List of proposed modifications and a reference to the corresponding file. | 31th Dec 1930 | Box 168b \ 3 img313 | |
| Cross-reference note regarding the 40/50 battery in two 6-volt units. | 31th Dec 1930 | Box 168b \ 3 img314 | |
| Specification sheet for 'S.S.' Chassis 23-EX ('E' type) fitted with Engine Unit No.13. | 14th Feb 1929 | Box 169 \ 1 img001 | |
| Specification list of various vehicle components with part numbers and modification notes. | 14th Feb 1929 | Box 169 \ 1 img002 | |
| List of chassis components and their corresponding part and specification numbers. | 1st Feb 1929 | Box 169 \ 1 img003 | |
| List of vehicle components with corresponding part numbers and modification notes. | 1st Feb 1929 | Box 169 \ 1 img004 | |
| Specification sheet for 'S.S.' Engine Unit No. 13. | 14th Feb 1929 | Box 169 \ 1 img005 | |
| List of engine components with corresponding part numbers and modification notes. | 14th Feb 1929 | Box 169 \ 1 img006 | |
| Parts list for engine and transmission components with their associated reference numbers. | 1st Feb 1929 | Box 169 \ 1 img007 | |
| The Speedometer Drive. | 14th Feb 1929 | Box 169 \ 1 img008 | |
| Cover page regarding temporary electrical units on the 23-EX chassis. | 1st Feb 1929 | Box 169 \ 1 img009 | |
| Specification revision for the 'S.S.' Chassis 23-EX ('E' type) regarding the petrol tank. | 16th Feb 1929 | Box 169 \ 1 img010 | |
| Revised specification for 'S.S.' Chassis 23-EX, detailing axle and universal joint modifications. | 22th Feb 1929 | Box 169 \ 1 img011 | |
| Specification revisions for 'S.S.' Unit No. 13, detailing modifications to various components. | 22th Feb 1929 | Box 169 \ 1 img012 | |
| Revised specification for the 23-EX Chassis ('E' type) fitted with Engine Unit No.11. | 13th Jun 1929 | Box 169 \ 1 img013 | |
| Specification sheet for rear and front springs and fittings, detailing dimensions, materials, and modifications. | 13th Jun 1929 | Box 169 \ 1 img014 | |
| List of modifications and specifications for various car components including steering, switches, and fuel systems. | 13th Jun 1929 | Box 169 \ 1 img015 | |
| List of part modifications and improvements for shock dampers, instrument boards, batteries, horns, and wiring. | 13th Jun 1929 | Box 169 \ 1 img016 | |
| List of vehicle components with their associated part numbers and modifications. | 13th Jun 1929 | Box 169 \ 1 img017 | |
| List of modifications and part numbers for various chassis components. | 13th Jun 1929 | Box 169 \ 1 img018 | |
| Parts list for radiator shutters, bonnet, starting handle, and exhaust fittings with their reference numbers. | 13th Jun 1929 | Box 169 \ 1 img019 | |
| Revised specification for 'S.S.' Unit No.11. | 13th Jun 1929 | Box 169 \ 1 img020 | |
| List of modifications and part numbers for various engine components. | 13th Jun 1929 | Box 169 \ 1 img021 | |
| List of engine component modifications and their associated reference numbers. | 13th Jun 1929 | Box 169 \ 1 img022 | |
| List of modifications and part references for various vehicle systems, including controls, carburetter, and gearbox. | 13th Jun 1929 | Box 169 \ 1 img023 | |
| The Speedometer Drive, L.O.P. G.76750. | 13th Jun 1929 | Box 169 \ 1 img024 | |
| Index of electrical components with their corresponding drawing or part numbers. | 13th Jun 1929 | Box 169 \ 1 img025 | |
| List of electrical components and their corresponding part numbers. | 13th Jun 1929 | Box 169 \ 1 img026 | |
| Specification revision document for Engine Unit No. 11, Chassis 23-EX, comparing previous and revised parts. | 5th Dec 1929 | Box 169 \ 1 img027 | |
| Specification revision document for a vacuum pump, detailing an updated cylinder and base plate. | 1st Dec 1929 | Box 169 \ 1 img028 | |
| Specification revision for Engine Unit No.11, Chassis 23-EX, detailing changes to induction pipes and exhaust fittings. | 8th Jan 1930 | Box 169 \ 1 img029 | |
| Specification revision document for Chassis 23-EX (Unit No. 11), detailing changes to induction and exhaust systems. | 16th Jan 1930 | Box 169 \ 1 img030 | |
| Revised specification for Chassis 23-EX, also known as Phantom II No. 19 Unit. | 26th Mar 1930 | Box 169 \ 1 img031 | |
| List of components and assemblies for a vehicle chassis, including brakes, steering, and radiator systems. | 26th Mar 1930 | Box 169 \ 1 img032 | |
| Specification revision for Unit Phan.II-19 (Chassis 23-EX), detailing modifications to engine components. | 26th Mar 1930 | Box 169 \ 1 img033 | |
| List of modifications and parts related to the flywheel, clutch, gearbox, and servo mechanisms. | 26th Mar 1930 | Box 169 \ 1 img034 | |
| Specification for the electrical equipment of Chassis 23-EX (Phantom II No. 19 Unit). | 26th Mar 1930 | Box 169 \ 1 img035 | |
| List of specifications for ignition cables, lamps, ammeters, batteries, and wiring fittings. | 26th Mar 1930 | Box 169 \ 1 img036 | |
| Specification sheet for Chassis 23-EX following 10,000 miles trials. | 14th Apr 1930 | Box 169 \ 1 img037 | |
| Specifications and modifications for rear springs, steering, petrol tank, and instrument board components. | 14th Apr 1930 | Box 169 \ 1 img038 | |
| List of modifications and part specifications for various vehicle components. | 14th Apr 1930 | Box 169 \ 1 img039 | |
| Specification sheet listing various vehicle components and their corresponding part numbers. | 14th Apr 1930 | Box 169 \ 1 img040 | |
| List of specifications and part numbers for brakes, axles, hubs, and steering components. | 14th Apr 1930 | Box 169 \ 1 img041 | |
| Specification sheet listing various chassis components and their part numbers. | 14th Apr 1930 | Box 169 \ 1 img042 | |
| Specification of components for a Phantom II Unit No.19 (Chassis 23-EX) after 10,000 miles trials. | 14th Apr 1930 | Box 169 \ 1 img043 | |
| List of parts and modifications for cylinders, valves, and fittings. | 1st Apr 1930 | Box 169 \ 1 img044 | |
| Specification list of engine components with their associated part numbers and details. | 14th Apr 1930 | Box 169 \ 1 img045 | |
| List of parts and modifications for lubrication, cooling, and control systems, with associated reference numbers. | 14th Apr 1930 | Box 169 \ 1 img046 | |
| List of modifications and updates to various vehicle components including the carburettor, lubrication, and transmission. | 14th Apr 1930 | Box 169 \ 1 img047 | |
| List of modifications and part references for various vehicle mechanisms. | 14th Apr 1930 | Box 169 \ 1 img048 | |
| Specification of the Electrical Equipment fitted to Chassis 23-EX for the 10,000 Miles Trials. | 14th Apr 1930 | Box 169 \ 1 img049 | |
| List of electrical components and headlamp fittings with their corresponding part numbers. | 14th Apr 1930 | Box 169 \ 1 img050 | |
| Specification revision for Phantom II Unit No. 19, Chassis 23-EX. | 2nd Jun 1930 | Box 169 \ 1 img051 | |
| List of locations where thermometers are fitted. | 4th Jun 1930 | Box 169 \ 1 img052 | |
| Specification revision for Phantom II Unit No. 19 (Chassis 23-EX), comparing previous and revised specifications for the flywheel and pressure plates. | 8th Sep 1930 | Box 169 \ 1 img053 | |
| Revised specifications for Chassis 23-EX, detailing updates to front springs, shock dampers, and brakes. | 4th Oct 1930 | Box 169 \ 1 img054 | |
| Specification revision for Phantom II Unit No.19 (Chassis 23-EX) detailing changes to clutch components. | 11th Oct 1930 | Box 169 \ 1 img055 | |
| Revisions to the chassis 23-EX specification. | 11th Oct 1930 | Box 169 \ 1 img056 | |
| Specification revision for Unit No.19 (Chassis 28-EX) concerning the Gear Box and actuating gear. | 19th Nov 1930 | Box 169 \ 1 img057 | |
| Specification sheet for the L.H. Chassis 24-EX, Phantom II Unit No. 21. | 1st Apr 1930 | Box 169 \ 1 img058 | |
| List of part specifications and modifications with their corresponding List of Parts (L.O.P.) numbers. | 1st Apr 1930 | Box 169 \ 1 img059 | |
| List of vehicle components and their corresponding reference numbers. | 1st Apr 1930 | Box 169 \ 1 img060 | |
| List of vehicle components and their corresponding L.O.P. part numbers. | 1st Apr 1930 | Box 169 \ 1 img061 | |
| Specification sheet for Engine Unit No. 21.(LH) fitted to Chassis 24-EX. | 1st Apr 1930 | Box 169 \ 1 img062 | |
| Index page listing various engine components and their corresponding 'List of Parts' numbers. | 1st Apr 1930 | Box 169 \ 1 img063 | |
| Index page listing various vehicle components and their corresponding 'List of Parts' numbers. | 1st Apr 1930 | Box 169 \ 1 img064 | |
| Specification sheet for the electrical equipment of L.H. Chassis 24-EX, Phantom II Unit No.21. | 29th Mar 1930 | Box 169 \ 1 img065 | |
| List of electrical components and their corresponding 'List of Parts' drawing numbers. | 1st Apr 1930 | Box 169 \ 1 img066 | |
| Specification sheet for Engine Unit No.21.e (LH) Chassis 24.eX. | 17th Apr 1930 | Box 169 \ 1 img067 | |
| List of modifications and specifications for various engine and chassis components. | 17th Apr 1930 | Box 169 \ 1 img068 | |
| List of component specifications and modifications for various parts including filters, indicators, valves, and controls. | 17th Apr 1934 | Box 169 \ 1 img069 | |
| List of part modifications and specifications for the flywheel, clutch, and gearbox assemblies. | 17th Apr 1930 | Box 169 \ 1 img070 | |
| Specification document for Chassis 24-KX (1.H) passed to test. | 17th Apr 1930 | Box 169 \ 1 img071 | |
| List of vehicle components with their associated part numbers and specifications. | 7th Apr 1930 | Box 169 \ 1 img072 | |
| List of vehicle components and modifications with their associated part numbers. | 7th Apr 1930 | Box 169 \ 1 img073 | |
| List of part updates and specifications for various automotive components. | 7th Apr 1930 | Box 169 \ 1 img074 | |
| Electrical equipment specification for Chassis 24-EX (I.E) and Engine Unit Phantom II No.21. | 17th Apr 1930 | Box 169 \ 1 img075 | |
| List of electrical components and their associated part numbers. | 17th Apr 1930 | Box 169 \ 1 img076 | |
| Specification sheet for Chassis 24-EX, detailing frames, fittings, and front spring specifications. | 21th Jun 1930 | Box 169 \ 1 img077 | |
| List of specifications and part numbers for various chassis components. | 21th Jun 1930 | Box 169 \ 1 img078 | |
| List of part specifications and modifications for various vehicle systems. | 1st Jun 1930 | Box 169 \ 1 img079 | |
| List of modifications and component specifications for wiring, radiator, bonnet, and other parts. | 1st Jun 1930 | Box 169 \ 1 img080 | |
| Specification list for various vehicle chassis components, including universal joints, axles, and brakes. | 21th Jun 1930 | Box 169 \ 1 img081 | |
| List of modifications and parts for steering, spare wheel carrier, silencer, and exhaust systems. | 1st Jun 1930 | Box 169 \ 1 img082 | |
| Specification for Engine Unit No. 23 (Chassis 24-EX). | 21th Jun 1930 | Box 169 \ 1 img083 | |
| List of engine component modifications and their corresponding part numbers. | 1st Jun 1930 | Box 169 \ 1 img084 | |
| List of part modifications and corresponding reference numbers for various engine components. | 21th Jun 1930 | Box 169 \ 1 img085 | |
| List of component specifications and modifications for controls, carburetter, gearbox, engine coupling, and clutch systems. | 21th Jun 1930 | Box 169 \ 1 img086 | |
| List of modifications and part updates for various vehicle mechanisms, including the speedometer, shafts, servo, and gear/brake systems. | 21th Jun 1930 | Box 169 \ 1 img087 | |
| Specification sheet detailing the electrical equipment for Chassis 24-EX, Engine Unit No. 23. | 21th Jun 1930 | Box 169 \ 1 img088 | |
| List of various electrical components and their corresponding drawing numbers. | 21th Jun 1930 | Box 169 \ 1 img089 | |
| Blueprint of an exhaust system with labeled components. | 24th Jun 1930 | Box 169 \ 1 img090 | |
| Blueprint detailing a silencer assembly, noting a deleted cutout and its replacement parts. | 24th Jun 1930 | Box 169 \ 1 img091 | |
| Specification revisions for Chassis 24-EX (Unit No.23), covering Autovac, piping, and springs. | 3rd Sep 1930 | Box 169 \ 1 img092 | |
| List of modifications and part changes for various vehicle systems including exhaust, axles, brakes, and gearing. | 1st Sep 1930 | Box 169 \ 1 img093 | |
| Specification revisions for Engine Unit No. 23, Chassis 24-EX. | 3rd Sep 1930 | Box 169 \ 1 img094 | |
| List of modifications and schemes for the Flywheel, Clutch, Gear Box, and Servo Motor Mechanism. | 3rd Sep 1930 | Box 169 \ 1 img095 | |
| Specification revision for Unit No.23 (Chassis 24-EX), detailing changes to the flywheel, clutch, and pressure plates. | 8th Sep 1930 | Box 169 \ 1 img096 | |
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