| Description | Date | Identifier | |
| Which 25 HP chassis to send to coachbuilder Park Ward for a special body. | 1st Oct 1931 | Box 55 \ 1 Scan062 | |
| The reservation of chassis GFT-50 for coachbuilder Park Ward & Co. | 2nd Oct 1931 | Box 55 \ 1 Scan063 | |
| Chassis allocation, dashboard type, and spring specifications for a special 25 HP car for 'R'. | 5th Oct 1931 | Box 55 \ 1 Scan064 | |
| Chassis arrangements for a special 25 HP car for the Experimental Department. | 3rd Oct 1931 | Box 55 \ 1 Scan065 | |
| Concerning the specifications and urgent delivery for chassis GFT-102, a Special 20/25 HP Car. | 8th Oct 1931 | Box 55 \ 1 Scan066 | |
| Providing a definite completion and delivery date for a chassis to the coach builders. | 13th Oct 1931 | Box 55 \ 1 Scan067 | |
| Proposed paint scheme and interior finish for a Special Touring Saloon trials car. | 12th Oct 1931 | Box 55 \ 1 Scan068 | |
| Instructions regarding vehicle fittings, colour schemes, and ventilation modifications for a 'U' Series car. | 12th Oct 1931 | Box 55 \ 1 Scan069 | |
| Design sketch for an interior door panel, detailing materials and fittings. | 12th Oct 1931 | Box 55 \ 1 Scan070 | |
| Instructions for finishing a special touring saloon demonstration car, model 20.G.4. | 12th Oct 1931 | Box 55 \ 1 Scan071 | |
| List of accessories and fitting instructions for Sir Henry Royce's new car. | 14th Oct 1931 | Box 55 \ 1 Scan072 | |
| Delivery schedule for a 20/25 HP car dummy chassis and the fitting of a new petrol tank. | 19th Oct 1931 | Box 55 \ 1 Scan073 | |
| Parts sent to Park Ward & Co. Ltd. for a car being built for Sir Henry Royce. | 20th Oct 1931 | Box 55 \ 1 Scan074 | |
| Transportation and potential inspection of a chassis on its way to Park Ward's Works. | 21th Oct 1931 | Box 55 \ 1 Scan075 | |
| Missed car appointment and a request for notification upon another car's arrival. | 24th Oct 1931 | Box 55 \ 1 Scan076 | |
| Confirming a telephone conversation about non-standard dashboard and radiator dimensions for chassis GFT-102, expressing concern over the impact on stock bodies. | 26th Oct 1931 | Box 55 \ 1 Scan077 | |
| Bonnet alignment issue caused by an incorrectly fitted restplate. | 26th Oct 1931 | Box 55 \ 1 Scan078 | |
| Request for a complete set of instruments for a Special Touring Saloon, with a specification for Venetian cream dials. | 26th Oct 1931 | Box 55 \ 1 Scan079 | |
| Chassis GFT-102, its fitting with a Park Ward body for experimental use, and concerns over altered universal dashboard dimensions. | 26th Oct 1931 | Box 55 \ 1 Scan080 | |
| Dashboard discrepancies on chassis GFT-102 with coachbuilder Park Ward. | 28th Oct 1931 | Box 55 \ 1 Scan081 | |
| Apology letter concerning a dashboard issue on chassis GFT-102, attributing the problem to the coachbuilders. | 28th Oct 1931 | Box 55 \ 1 Scan082 | |
| The procurement and dispatch of rims and instruments for a 25 HP car. | 28th Oct 1931 | Box 55 \ 1 Scan083 | |
| Specification for Venetian cream instrument dials on a 25 HP Special Touring Saloon. | 1st Nov 1931 | Box 55 \ 1 Scan084 | |
| Letter from coachbuilders Park Ward & Co. Ltd regarding a blueprint for the bonnet hinge and louvres for Sir Henry Royce's new 25-HP car. | 4th Nov 1931 | Box 55 \ 1 Scan085 | |
| Choice of centre lamps and headlamps for the 20/25 Chassis. | 6th Nov 1931 | Box 55 \ 1 Scan086 | |
| Wooden finishers, headlamps, and wing stays for a special touring saloon. | 10th Nov 1931 | Box 55 \ 1 Scan087 | |
| Chasing a decision on the supply of centre lamps for a 20/25 chassis. | 11th Nov 1931 | Box 55 \ 1 Scan088 | |
| Specification and supply of headlamps for R's new car. | 12th Nov 1931 | Box 55 \ 1 Scan089 | |
| Promotional leaflet for Lucas-Graves patented anti-dazzle bulbs for 1932. | 1st Jan 1932 | Box 55 \ 1 Scan090 | |
| Promotional leaflet for Lucas-Graves 'Blue Star' Anti-Dazzle Bulbs. | 16th Nov 1931 | Box 55 \ 1 Scan091 | |
| Suggestion to increase the diameter of spare pivots for the old 10HP car. | 16th Nov 1931 | Box 55 \ 1 Scan092 | |
| Rescheduling a visit and preparing a car for a trip to Le Canadel, France. | 24th Nov 1931 | Box 55 \ 1 Scan093 | |
| Coordinating the customization of 18-inch wheels and special instruments for car GFT-102. | 17th Nov 1931 | Box 55 \ 1 Scan094 | |
| Letter detailing bodywork and finishing arrangements for a new car at Park Ward's Works. | 17th Nov 1931 | Box 55 \ 1 Scan095 | |
| Letter to coachbuilder Park Ward & Co. Ltd. concerning the dispatch and fitting of instrument board components for a 20/25 HP car. | 19th Nov 1931 | Box 55 \ 1 Scan096 | |
| Schematics and required prints for a 25HP Special Touring Saloon body. | 19th Nov 1931 | Box 55 \ 1 Scan097 | |
| Progress and sales potential of the 20/25 Special Touring Saloon, chassis 20-G-4. | 20th Nov 1931 | Box 55 \ 1 Scan098 | |
| Letter from coachbuilders Park Ward & Co. Ltd. concerning the receipt and fitting of instruments and body parts. | 20th Nov 1931 | Box 55 \ 1 Scan099 | |
| Delay in receiving a speedometer and instructions to paint the flange. | 23th Nov 1931 | Box 55 \ 1 Scan100 | |
| The status and testing of a 20/25 HP Special Touring Saloon chassis, 20-G4. | 23th Nov 1931 | Box 55 \ 1 Scan101 | |
| The main differences between the 20-G4 and 18-G4 models for demonstration and sales purposes. | 26th Nov 1931 | Box 55 \ 1 Scan102 | |
| Urgent supply of a 20-G4 exhaust system and other parts for a 19-G4. | 27th Nov 1931 | Box 55 \ 1 Scan103 | |
| Specification document detailing the components and layout for an exhaust system for the 'R's Car - 'U' Series. | 19th Nov 1931 | Box 55 \ 1 Scan104 | |
| Confirming a meeting at Park Wards to resolve difficulties on a vehicle and arrange for its collection. | 28th Nov 1931 | Box 55 \ 1 Scan105 | |
| Confirming a visit to Park Wards for car 20-G4. | 30th Nov 1931 | Box 55 \ 1 Scan106 | |
| Usage of the 20/25 HP Special Touring Saloon 20-G4 as a trials car. | 1st Dec 1931 | Box 55 \ 1 Scan107 | |
| Letter to Messrs Park Ward & Co. regarding the despatch of parts for a 20/25HP special saloon car for Sir H. Royce. | 3rd Dec 1931 | Box 55 \ 1 Scan108 | |
| Inquiring about the production status of chassis GFT-102. | 3rd Dec 1931 | Box 55 \ 1 Scan109 | |
| The progress of a 20/25 Saloon being built by coachbuilder Park Wards, confirming a final inspection. | 4th Dec 1931 | Box 55 \ 1 Scan110 | |
| The return of chassis GFT-102 from coachbuilders and a discussion about re-numbering it. | 4th Dec 1931 | Box 55 \ 1 Scan111 | |
| Suggesting a platform be built in chassis 20-G-4 to increase luggage capacity. | 9th Dec 1931 | Box 55 \ 1 Scan112 | |
| The specifications for fitting low rating road springs and dampers to a 20-GIV chassis. | 9th Dec 1931 | Box 55 \ 1 Scan113 | |
| Arranging a photoshoot for a 20/25 HP Special Saloon for R. | 14th Dec 1931 | Box 55 \ 1 Scan114 | |
| Trials, photography, and a spare tyre cover for a 20/25 HP Special Saloon. | 15th Dec 1931 | Box 55 \ 1 Scan115 | |
| Road test of the Special Touring Saloon, comparing its acceleration and noting issues with gearbox noise. | 17th Dec 1931 | Box 55 \ 1 Scan116 | |
| Car's first test ride, detailing issues with the sunshine roof, side levers, internal mirror, and numberplate suspension. | 18th Dec 1931 | Box 55 \ 1 Scan117 | |
| High cost of a custom-designed gate compared to a Dunlop alternative. | 18th Dec 1931 | Box 55 \ 1 Scan118 | |
| Gear and brake lever positions on the 20.G.IV model. | 18th Dec 1931 | Box 55 \ 1 Scan119 | |
| Telegram confirming the safe arrival and good running condition of two cars in Cavalaire, France. | 20th Dec 1931 | Box 55 \ 1 Scan120 | |
| Special brake lever, spare wheel carrier, and rear number plate brackets for a 20/25 HP Chassis. | 28th Dec 1931 | Box 55 \ 1 Scan121 | |
| Request for a driver's report on a car's performance, including impressions, criticisms, and comments from Sir Henry. | 12th Jan 1932 | Box 55 \ 1 Scan122 | |
| Test report giving impressions on vehicle 20.G.4's performance in Le-Canadel, France. | 18th Jul 1932 | Box 55 \ 1 Scan123 | |
| Impressions of the 20.G.4 vehicle's performance at Le-Canadel, France. | 16th Jan 1932 | Box 55 \ 1 Scan124 | |
| Vehicle performance including headlamps, fuel consumption, and driving feedback. | 20th Jan 1932 | Box 55 \ 1 Scan125 | |
| Letter to Sir Henry Royce regarding gearbox improvements and engine performance updates. | 20th Jan 1932 | Box 55 \ 1 Scan126 | |
| Letter providing an update on the 'Peregrine' car, gearbox development for the 25HP, and cost reduction initiatives. | 20th Jan 1932 | Box 55 \ 1 Scan127 | |
| Memo discussing issues with brake lining and auto-adjustment. | 23th Jan 1932 | Box 55 \ 1 Scan128 | |
| Technical memo discussing potential clutch and brake failures and considering alternative transmission designs. | 23th Jan 1932 | Box 55 \ 1 Scan129 | |
| Letter discussing various gearbox configurations, speeds, and braking systems. | 23th Jan 1932 | Box 55 \ 1 Scan130 | |
| Correspondence regarding the reliability of friction devices, synchronizing brakes, and gearbox designs. | 31th Jan 1932 | Box 55 \ 1 Scan131 | |
| Status report on car 20.G.4 from a driver in France, detailing its performance and inquiring about a 'Laissee-Passer' renewal. | 31th Jan 1932 | Box 55 \ 1 Scan132 | |
| Correspondence regarding a car's performance, travel documents ('Laissez-Passer'), and well wishes for Sir Henry. | 3rd Feb 1932 | Box 55 \ 1 Scan133 | |
| Letter to Sir Henry Royce regarding the hiring of Dr. Underwood for Compression Ignition engine work. | 9th Feb 1932 | Box 55 \ 1 Scan134 | |
| The advantages of single-ended spanners over double-ended ones. | 13th Feb 1937 | Box 55 \ 1 Scan135 | |
| From 'R.' discussing a 12-cylinder project, auto-clutch ideas, and feedback on car performance and design. | 13th Feb 1932 | Box 55 \ 1 Scan136 | |
| Comparing the performance and noise levels of helical gears versus straight spur gears. | 13th Feb 1932 | Box 55 \ 1 Scan137 | |
| Observations on gearbox performance, comparing the wear of helical gears to straight spur gears. | 13th Feb 1932 | Box 55 \ 1 Scan138 | |
| Letter reporting the satisfactory performance of car 20.G.W. in France. | 14th Feb 1932 | Box 55 \ 1 Scan139 | |
| Telegram about engine test results for exhaust cam timing. | 24th Feb 1932 | Box 55 \ 1 Scan140 | |
| Vehicle performance report from Le Canadel, France. | 27th Feb 1932 | Box 55 \ 1 Scan141 | |
| Letter reporting on the performance of vehicle 20.GW, noting consistent running but issues at high speed. | 15th Jun 1932 | Box 55 \ 1 Scan142 | |
| Telegram concerning arrangements for Underwood, a return in mid-April, and the posting of a report. | 23th Mar 1932 | Box 55 \ 1 Scan143 | |
| 10,000-mile test in France for a Phantom car, listing its upgraded components and discussing luggage arrangements. | 24th Mar 1932 | Box 55 \ 1 Scan144 | |
| Preparation and modification of a 25 HP car for trials upon a colleague's return. | 1st Apr 1932 | Box 55 \ 1 Scan145 | |
| The running of car 20.G.W, detailing the fix for a misfire at low speeds. | 3rd Apr 1932 | Box 55 \ 1 Scan146 | |
| Letter about a change of programme due to a person's poor health. | 6th Apr 1932 | Box 55 \ 1 Scan147 | |
| Letter to Sir Henry Royce regarding a delay in Mr. Hancock's arrival and modifications to a car, including a new carburetter. | 9th Apr 1932 | Box 55 \ 1 Scan148 | |
| Letter detailing issues with oil leaks from the brake system and engine misfires at slow speeds. | 17th Apr 1932 | Box 55 \ 1 Scan149 | |
| Letter regarding misfiring issues with Lodge single point plugs at low speeds. | 26th Apr 1932 | Box 55 \ 1 Scan150 | |
| Letter from France regarding a delayed return due to illness (sciatica) and an update on car testing. | 26th Apr 1932 | Box 55 \ 1 Scan151 | |
| Telegram received by telephone confirming safe arrival from Hancock. | 25th Apr 1932 | Box 55 \ 1 Scan152 | |
| Letter discussing travel arrangements and a report on K.L.G. versus Lodge spark plug performance. | 1st May 1932 | Box 55 \ 1 Scan153 | |
| Telegram about arranging a car for an arrival at Newhaven. | 11th May 1932 | Box 55 \ 1 Scan154 | |
| Letter from F. Dodd to Mr. Hives confirming travel plans from France to England. | 1st May 1932 | Box 55 \ 1 Scan155 | |
| Internal memorandum discussing a preference for a 'J.I' car over a 'China' model for 'R'. | 12th Apr 1932 | Box 55 \ 1 Scan156 | |
| Car fitted with experimental features, detailing modifications to the engine, gearbox, and exhaust system. | 19th May 1932 | Box 55 \ 1 Scan157 | |
| General performance report on an engine unit, detailing its output and fuel compatibility. | 19th May 1932 | Box 55 \ 1 Scan158 | |
| Graph comparing power curves for two proposed Continental 25 HP engine configurations with an open exhaust. | 19th May 1932 | Box 55 \ 1 Scan159 | |
| Performance graph comparing a Standard U Series 25 HP engine with various cylinder head, carburettor, and camshaft configurations. | 5th Jul 1932 | Box 55 \ 1 Scan160 | |
| Starter motor failure caused by flood water, with a suggestion to drill drain holes in the casing. | 5th Jul 1932 | Box 55 \ 1 Scan161 | |
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