| Description | Date | Identifier | |
| Gearbox and clutch design options, including freewheeling, servo drives, and various braking systems. | 10th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan028 | |
| Proposed new gearbox design, referencing sketches and patentable claims. | 10th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan029 | |
| Sketch and description of a change speed lever mechanism with synchro mesh equivalent control. | 10th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan030 | |
| Sketch diagram of a double pawl and brake mechanism for a gearbox, possibly related to a synchro-mesh or Salerni system. | 10th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan031 | |
| Sketch of a brake and pawl mechanism, viewed from the engine backwards. | 10th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan032 | |
| Hand-drawn sketch with notes for a self-wrapping drum brake design. | 10th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan033 | |
| Suggested design for a 3rd speed brake system, with a self-servo one-direction brake. | 10th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan034 | |
| Sketch diagram illustrating the operation of a through-drive jaw clutch and cam-based gear selection mechanism. | 10th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan035 | |
| Schematic diagram and description of a servo-controlled, multi-speed gearbox with a reverse unit. | 11th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan036 | |
| Specifications for hydraulic jacks for the Phantom II and 20/25 HP chassis. | 11th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan037 | |
| Design improvements for the Phantom II, including the rear chassis, petrol tank, petrol gauge fitting, and rear grid. | 11th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan038 | |
| Unseen modifications to the engine foot and dashboard for the 20/25 model improvements. | 21th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan039 | |
| Suggesting a modification to the rear brake lever on a 20 HP car to reduce direct braking for a 10,000 miles test. | 6th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan040 | |
| Suggesting the thickening of front brake shoe linings for the Phantom II and 25 HP models. | 7th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan041 | |
| Five design schemes for stiffening the front end of the Phantom II frame. | 24th Feb 1930 | West Wittering \ U \ 2January1930-September1930 Scan042 | |
| The specifications for bumper pads on dumb irons, including approved alterations. | 10th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan043 | |
| Clearance issues with the Excelsior Damper on a Phantom II model. | 11th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan044 | |
| New damper springs for the Phantom II clutch. | 11th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan045 | |
| Confirming the handover of schedule 3055 for a three-point engine suspension experiment. | 11th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan046 | |
| Options for sourcing and modifying a car body for the first experimental Phantom II chassis. | 12th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan047 | |
| Salerni coupling control rod, its load capacity, and a proposed modification. | 13th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan048 | |
| 'Jellying Experiment' for a three-point engine suspension, requesting a print to be made for a temporary front support. | 13th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan049 | |
| The proposed modified bonnet, radiator, and dash for the Phantom II and 20/25 HP models. | 14th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan050 | |
| Material specifications for the Phantom II clutch driven member. | 17th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan051 | |
| The arrangement of a backing light switch for the L.H.S.S. gearbox and its adaptation for a new suspension. | 17th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan052 | |
| New single-point radiator suspension for the 10,000-mile car. | 24th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan053 | |
| Withdrawing a signature for the standardisation of K.1 K.L.G. plugs for the 20 HP model. | 24th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan054 | |
| Modifications to the L.H.S.S. front axle lubrication system. | 26th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan055 | |
| Arrangement of doors and lever modifications for a 20/25 HP chassis for R.R.A.I. | 25th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan056 | |
| Issues and potential solutions for the 20/25 HP chassis exhaust system. | 27th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan057 | |
| Adaptation of a single-point radiator suspension to a 3-inch diameter crossmember. | 27th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan058 | |
| Dimensions and positioning of gear/brake levers and the instrument board for a L.H. Phantom II chassis. | 28th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan059 | |
| Centralised chassis lubrication system for the Phantom II model. | 28th Mar 1930 | West Wittering \ U \ 2January1930-September1930 Scan060 | |
| Rear wheelarch clearances for a new 60.750 rear track and its impact on body design. | 7th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan061 | |
| Increasing the capacity and length of a dashboard pump and tank for a centralised chassis lubrication system. | 7th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan062 | |
| Proposal for a new rear suspension for the 20/25 HP gearbox, based on the Phantom II design. | 9th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan063 | |
| Bijur lubrication system for the front axle and the standard Enots system. | 10th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan064 | |
| Suggesting an adjustment for the radiator shutter and starting carburetter controls for varying scuttle depths. | 11th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan065 | |
| Proposing a design change for the longitudinal stay of the 20/25 HP Chassis exhaust silencer. | 12th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan066 | |
| Gauge material for wing stays on P.2 and 20/25HP models, and a proposal for new head-lamp brackets. | 12th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan067 | |
| Gearbox problems and the preliminary design of an epicyclic gearbox. | 12th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan068 | |
| Comparison of different gear train arrangements and their performance characteristics. | 12th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan069 | |
| Design report on patent applications and considerations for equivalent synchro-mesh control systems. | 12th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan070 | |
| Calculations and considerations for gear change timing, braking forces, and control lever design. | 12th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan071 | |
| Page outlining suggestions for gearbox and clutch mechanisms, specifically regarding coasting and gear selection. | 14th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan072 | |
| Three gearbox design schemes, including proposals from Mr. Hardy and Mr. Royce, with a diagram for a single lever control. | 14th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan073 | |
| Analysis of various gearbox and clutch systems, comparing Armstrong-Siddeley, a proposed Epicyclic design, and a Chrysler spool gear. | 14th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan074 | |
| Note on Mr. Hardy's remarks regarding the testing of Armstrong-Siddeley gears. | 14th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan075 | |
| Critique of Mr. de Salamanca's Phantom II, detailing objections to its features and modifications. | 14th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan076 | |
| Gearbox and transmission suitability of a six-wheeled vehicle for the India War Department. | 15th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan077 | |
| Relocation of the differential lock from the driving axles to the gearbox for future development. | 15th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan078 | |
| Schematic of a four-wheel-drive drivetrain with a central, front, and rear differential. | 15th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan079 | |
| Modifications to the wing stays for the 20/25 HP model. | 15th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan080 | |
| Filing of car designs for the 20/25 HP long chassis and the postponement of their use in the new catalogue. | 23th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan081 | |
| Design changes to a hinged petrol tank filler, concerning the joint washer and clip mechanism. | 23th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan082 | |
| Revised wingstays, crossmember, and lamp brackets for the 20/25 HP model. | 24th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan083 | |
| Requesting progress reports on the two 10,000-mile cars, with specific interest in certain components like lubrication and gears. | 26th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan084 | |
| Revised scuttle isolation and dashboard modifications for a 20/25 HP Park Ward Experimental Limousine. | 26th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan085 | |
| Proposal to mount the Phantom II pedals on the clutch pit, adopting the 20HP method to allow for identical parts. | 28th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan086 | |
| Design and dimensions of a scuttle and dashboard for a Phantom II experimental car. | 28th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan087 | |
| Instruction specifying the use of the Universal Type subframe for the Continental car. | 28th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan088 | |
| Stagnation of sales for the 25HP car, detailing issues with body size, engine performance, and ignition defects. | 28th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan089 | |
| Various car gear problems and proposing an improved epicyclic gear design. | 29th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan090 | |
| Gearbox design alternatives, including epicyclic trains, clutches, and gear ratios. | 3rd Sep 1933 | West Wittering \ U \ 2January1930-September1930 Scan091 | |
| Various servo-assisted gear control systems and freewheel mechanisms. | 3rd Sep 1933 | West Wittering \ U \ 2January1930-September1930 Scan092 | |
| Recommendation for improving gear changes by modifying jaw clutch gears and adding a resilient coupling to the transmission. | 29th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan093 | |
| Advantages and disadvantages of thermostat control for radiator shutters and proposing a new design. | 30th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan094 | |
| Examination report on a left-hand drive chassis with feedback on the gearbox, levers, instruments and accessories. | 30th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan095 | |
| Modifications to the Phantom II radiator suspension system and associated sketches. | 30th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan096 | |
| Design, necessity, and aesthetics of car bumpers, with a preference for semi-elliptical shapes. | 30th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan097 | |
| Stop lamp bracket for the Phantom II model. | 30th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan098 | |
| Design and supply of a centre lamp bracket for the 20/25HP model. | 30th Apr 1930 | West Wittering \ U \ 2January1930-September1930 Scan099 | |
| Testing specifications and temperature settings for car shutter thermostats. | 1st May 1930 | West Wittering \ U \ 2January1930-September1930 Scan100 | |
| Development of twin carburetters for 6-cylinder engines, referencing the Phantom II. | 1st May 1930 | West Wittering \ U \ 2January1930-September1930 Scan101 | |
| Findings and recommendations on springs and damping for Phantom II & 25HP models. | 5th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan102 | |
| Solutions for radiator jellying, body mounting, and reducing frame vibration using rubber insulation and dampers. | 5th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan103 | |
| Important complaint detailing design flaws in the Phantom 2's shock dampers and central lubrication system. | 5th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan104 | |
| Viability and design of brackets for Butler Stop Lamps on P2 and 20/25 HP models. | 5th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan105 | |
| Schemes to improve dynamo output and battery charging on Phantom II and 25HP cars. | 6th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan106 | |
| Progress on the Salerni coupling for gearboxes, applied to EAC. 7. | 7th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan107 | |
| Use of a double spring for a single point radiator suspension. | 7th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan108 | |
| Modifications to the Phantom II bonnet, discussing overhang, materials, and fittings. | 7th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan109 | |
| Modifications to the thrust bearings and draining system for the 20/25HP hypoid rear axle. | 7th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan110 | |
| Proposals for current and future production of shock dampers, including a new scheme. | 10th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan111 | |
| Supply of American versus English instruments for an L.H.S.S. instrument board. | 10th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan112 | |
| Instrument panel design, mounting, and lighting options. | 10th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan113 | |
| Schemes for front shock damper and centralised lubrication for the 2nd L.H. Phantom II. | 11th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan114 | |
| Alternative designs and proposals for the front shock dampers and central lubrication system. | 12th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan115 | |
| Urgent design improvements for the radiator, shock dampers, and shutters on 25HP & P.2 car models. | 13th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan116 | |
| Technical memo discussing future progress and improvements for various vehicle components. | 14th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan117 | |
| Adjustments to the P. 2. L.H. Bonnet isolation gap and movement. | 14th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan118 | |
| Modifications to the L.H. Chassis, specifically the hand brake quadrant stop, gear lever retaining nut, and a gearbox vent. | 14th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan119 | |
| Repositioning of the P.2. Left Hand step brackets. | 14th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan120 | |
| Selection and arrangement of instruments for the P.2 L.H. instrument board. | 14th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan121 | |
| Details on the instrument board layout for the P.2. L.H. model, comparing English and American instruments. | 17th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan122 | |
| Modifications to the hypoid axle to facilitate easier filling. | 17th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan123 | |
| Future of the 25HP engine, advocating for modifications based on the 'Japan' design over the existing 'China' version. | 19th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan124 | |
| Modification to the central oiling and front shock dampers to rectify a defect. | 19th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan125 | |
| Complaints about the riding qualities of the Phantom II and 25HP models, comparing damping, springs, and weight distribution. | 19th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan126 | |
| Riding comfort, body sizes, and tyre pressures for different chassis. | 20th May 1930 | West Wittering \ U \ 2January1930-September1930 Scan127 | |
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