| Description | Date | Identifier | |
| Telegraphic request for carpet material for a dashboard body. | 17th Feb 1938 | Box 132 \ 3 scan0171 | |
| Scheme for a pressed sheet metal dashboard for the Bentley 111 and 50. | 12th Mar 1938 | Box 132 \ 3 scan0172 | |
| The dashboard and body brackets for the Bentley 111, specifically a new mounting scheme. | 23th Mar 1938 | Box 132 \ 3 scan0173 | |
| Blueprints for a pressed steel dashboard for the Bentley III and Bentley 50 chassis. | 24th Mar 1938 | Box 132 \ 3 scan0174 | |
| Advantages and savings of using a sheet metal dash on the body for Bentley III & 50 models. | 23th Apr 1938 | Box 132 \ 3 scan0175 | |
| Scheme for mounting the dashboard and floorboards to insulate them from the chassis frame, reducing noise and movement. | 23th Apr 1938 | Box 132 \ 3 scan0176 | |
| Scheme for fittings on the dashboard for Bentley models 111 and 50, detailing their placement and removability. | 9th May 1938 | Box 132 \ 3 scan0177 | |
| Relocation of the windscreen wiper motor on the Bentley III dashboard. | 20th Jul 1938 | Box 132 \ 3 scan0178 | |
| Modification of the Bijur pump attachment for the Bentley III and Bentley 50 dashboard. | 27th May 1938 | Box 132 \ 3 scan0179 | |
| Methods for sound-insulating a sheet metal dash using plastic material and felt. | 18th Jun 1938 | Box 132 \ 3 scan0180 | |
| Instructions for a modification to the dashboard on Bentley 111 and 50 models to assist with accelerator pedal assembly. | 2nd Sep 1938 | Box 132 \ 3 scan0181 | |
| Modification scheme for a gastight joint on the steering column for the Bentley 3 and 50 dashboard. | 8th Sep 1938 | Box 132 \ 3 scan0182 | |
| Alteration of dashboards on the Phantom III and Bentley III to fit a Lucas screen wiper. | 28th Oct 1938 | Box 132 \ 3 scan0183 | |
| Standardization of screen wiper brackets for the Wraith, Bentley, and P.lll chassis. | 14th Oct 1938 | Box 132 \ 3 scan0184 | |
| Scheme for adding finger grooves and a stiffener to the dashboard for Bentley and Wraith models. | 17th Nov 1938 | Box 132 \ 3 scan0185 | |
| Part replacements and requirements for the Wraith III dashboard and fittings. | 17th Nov 1938 | Box 132 \ 3 scan0186 | |
| Blueprints and standard parts required for dashboard and windscreen wiper fittings. | 17th Nov 1938 | Box 132 \ 3 scan0187 | |
| Dashboard layout and accessory arrangement for a Bentley 5. | 17th Dec 1938 | Box 132 \ 3 scan0188 | |
| Proposal to evaluate using sheet metal pressings instead of forgings for Bentley 5 dashboard support brackets. | 6th Feb 1939 | Box 132 \ 3 scan0189 | |
| Fitting Ceapak soundproofing to sheet metal dashboards B.5 and B.50. | 21th Feb 1939 | Box 132 \ 3 scan0190 | |
| Mock-up for sheet metal dashboards B.5 and B.50, proposing flexible metallic tubing. | 24th Feb 1939 | Box 132 \ 3 scan0191 | |
| Modification to the dashboard cutout on the Bentley 5 to improve bonnet clearance. | 21th Mar 1939 | Box 132 \ 3 scan0192 | |
| To hold work on the Bentley 5 dashboard for modification. | 31th Mar 1939 | Box 132 \ 3 scan0193 | |
| Dashboard wiring conduit scheme for the Silver Ripple 1.R.1 and Bentley 5 models. | 29th Apr 1939 | Box 132 \ 3 scan0194 | |
| Triangular mounting plate for the Bentley 5 dashboard. | 9th Jun 1939 | Box 132 \ 3 scan0195 | |
| The specifications and installation of hand choke controls for the Silver Ripple I, Silver Wraith I, and Silver Dawn I models. | 15th Jun 1939 | Box 132 \ 3 scan0196 | |
| Dashboard modifications on a Bentley 5 to accommodate a Marsden heater. | 5th Jul 1939 | Box 132 \ 3 scan0197 | |
| Experiment with Harris Bushes for the dashboard mounting on Senior Range vehicles. | 26th Jan 1940 | Box 132 \ 3 scan0198 | |
| Dashboard and fittings modifications for the Ripplet Chassis, including a list of required parts. | 15th Feb 1940 | Box 132 \ 3 scan0199 | |
| The mounting of twin coils on the dashboard for the L.H. Senior Range and the use of American heaters for U.S. models. | 2nd Apr 1940 | Box 132 \ 3 scan0200 | |
| Mounting twin Lucas coils and heater options for left-hand drive Senior Range cars for the U.S.A. market. | 2nd Apr 1940 | Box 132 \ 3 scan0201 | |
| Alteration notice for an adjusting washer, changing it from a .750 diameter to a 1.750 long elongated shape. | 16th May 1940 | Box 132 \ 3 scan0202 | |
| Best dashboard arrangement for 'the Myth' model, considering the heater, battery, and wireless. | 4th Oct 1940 | Box 132 \ 3 scan0203 | |
| Trial for a special type of rear seat cushion suggested by the Sales department. | 14th Mar 1930 | Box 132 \ 3 scan0204 | |
| Investigation of shallow air cushions for the Phantom II chassis. | 15th Mar 1930 | Box 132 \ 3 scan0205 | |
| Promotional leaflet for Paxon pneumatic car upholstery, explaining its non-compression principle. | 15th Mar 1930 | Box 132 \ 3 scan0206 | |
| Descriptive leaflet for the 'PAXON' pneumatic upholstery system. | 2nd May 1930 | Box 132 \ 3 scan0207 | |
| The construction, modification, and evaluation of a sample Paxon cushion. | 2nd May 1930 | Box 132 \ 3 scan0208 | |
| The delivery and testing of a sample Paxon cushion on experimental cars. | 9th May 1930 | Box 132 \ 3 scan0209 | |
| Returning Experimental Car 14-G-4 and sending a sample Paxon air cushion for evaluation. | 12th May 1930 | Box 132 \ 3 scan0210 | |
| Cushion springing tests for a 'Paxon' Air Cushion in a wooden base. | 21th May 1930 | Box 132 \ 3 scan0211 | |
| Data table of load versus deflection measurements in inches during loading and unloading cycles. | 9th Feb 1931 | Box 132 \ 3 scan0212 | |
| Replacing an uncomfortable pneumatic rear seat cushion on the 25-EX model to improve suspension test results. | 9th Feb 1931 | Box 132 \ 3 scan0213 | |
| Special 'Paxon' air bag rear cushion for a Park Ward body on a 25-EX chassis. | 11th Feb 1931 | Box 132 \ 3 scan0214 | |
| Letter seeking agreement on the cost for alterations to cushions being carried out by Park Ward & Co. Ltd. | 19th Jun 1931 | Box 132 \ 3 scan0215 | |
| Advantages and potential use of a latex upholstery cushion. | 22th Aug 1932 | Box 132 \ 3 scan0216 | |
| New 'Latex Upholstery Cushion' made of sorbo rubber, submitted by the Dunlop Rubber Company. | 22th Aug 1932 | Box 132 \ 3 scan0217 | |
| Experimenting with Dunlop 'Latex' upholstery, noting its disadvantage of poor ventilation. | 23th Aug 1932 | Box 132 \ 3 scan0218 | |
| Comparing Latex and spring frame seat types for car model 21-G-IV. | 10th May 1934 | Box 132 \ 3 scan0219 | |
| Requesting a Dunlop sorbo rear seat cushion for a specific car, comparing it favourably to the standard spring cushion. | 11th Jun 1934 | Box 132 \ 3 scan0220 | |
| Comfort and appearance of Latex versus spring frame rear seat cushions. | 19th Jun 1934 | Box 132 \ 3 scan0221 | |
| Specifications for latex rear seat cushions for model 21-G-IV. | 9th Jul 1934 | Box 132 \ 3 scan0222 | |
| Design of rear cushions to improve passenger comfort and ride quality. | 5th Sep 1934 | Box 132 \ 3 scan0223 | |
| Experiments on seat cushions and springs to improve passenger riding comfort. | 3rd Sep 1934 | Box 132 \ 3 scan0224 | |
| Test report comparing the back seat ride and features of experimental long-wheelbase cars 36-EX and 38-EX. | 29th Jan 1937 | Box 132 \ 3 scan0225 | |
| Comparing the ride characteristics of spring seat cushions versus Dunlopillo cushions, illustrated with acceleration-time graphs. | 29th Dec 1938 | Box 132 \ 3 scan0226 | |
| Analysis of seat cushion damping, showing how undamped cushions can spoil the ride quality, with illustrative graphs. | 29th Dec 1938 | Box 132 \ 3 scan0227 | |
| Paper on the development of foamed latex cushioning presented at a Society of Automotive Engineers meeting. | 9th Jan 1939 | Box 132 \ 3 scan0228 | |
| The design, application, and cost considerations of foamed latex cushions in various vehicles. | 9th Jan 1939 | Box 132 \ 3 scan0229 | |
| Page discussing the cushioning qualities and installation of foamed latex in passenger car seats. | 9th Jan 1939 | Box 132 \ 3 scan0230 | |
| Comparing the cushioning and damping qualities of foamed latex and chemical blown sponge. | 9th Jan 1939 | Box 132 \ 3 scan0231 | |
| The flexibility, design possibilities, and air conditioning properties of foamed latex for use in cushioning. | 9th Jan 1939 | Box 132 \ 3 scan0232 | |
| The benefits of foamed latex cushioning, covering odor, space-saving, and safety features. | 9th Jan 1939 | Box 132 \ 3 scan0233 | |
| Page 7 of a paper discussing the properties and applications of foamed latex in vehicle design, concluding with acknowledgments. | 9th Jan 1939 | Box 132 \ 3 scan0234 | |
| Diagrams illustrating the design, properties, and manufacturing of foamed latex cushions. | 9th Jan 1939 | Box 132 \ 3 scan0235 | |
| Comparison of different cushioning materials including chemically blown sponge and foamed latex. | 9th Jan 1939 | Box 132 \ 3 scan0236 | |
| Letter enclosing a specification for a device designed to prevent engine bore wear for criticism. | 8th Oct 1934 | Box 132 \ 4 scan0001 | |
| Automatic cylinder bore and chassis lubricator to prevent wear during cold starts, referencing British Patent No. 348420. | 8th Oct 1934 | Box 132 \ 4 scan0002 | |
| Automatic lubricator, noting its effect on decarbonising and observations on engine bore wear. | 9th Sep 1934 | Box 132 \ 4 scan0003 | |
| Blueprint of a cylinder bore and chassis lubricator. | 9th Sep 1934 | Box 132 \ 4 scan0004 | |
| Letter to E.A. Eastwood discussing a lubrication device, its potential issues, and comparing it to other systems. | 13th Oct 1934 | Box 132 \ 4 scan0005 | |
| Experiments for extra cylinder lubrication to prevent piston seizure when starting from cold. | 2nd Nov 1934 | Box 132 \ 4 scan0006 | |
| Scheme for extra cylinder lubrication during cold starts to reduce piston seizure. | 2nd Nov 1934 | Box 132 \ 4 scan0007 | |
| Engine lubrication tests, focusing on the big end bearing and gudgeon pin oil supply under various conditions. | 2nd Nov 1934 | Box 132 \ 4 scan0008 | |
| Oil consumption tests on a Bentley unit and C.14 (20/25) unit following modifications. | 2nd Nov 1934 | Box 132 \ 4 scan0009 | |
| Blueprint showing a modification to a top half big end bearing. | 25th Apr 1934 | Box 132 \ 4 scan0010 | |
| Letter from M. A. McEvoy Ltd. regarding an experimental cylinder head cast in R.R. 50 alloy. | 26th Oct 1936 | Box 132 \ 4 scan0011 | |
| Letter to Messrs. M.A. McEvoy Ltd. declining a request to fit inserted valve seats in an R.R.53 cylinder head. | 2nd Nov 1936 | Box 132 \ 4 scan0012 | |
| Letter to Hepworth & Grandage Ltd. regarding a paper on cylinder materials, requesting an examination of samples and information on cylinder liners. | 14th Nov 1936 | Box 132 \ 4 scan0013 | |
| Extracts regarding the chemical composition and properties of piston rings for aircraft engines. | 19th Nov 1936 | Box 132 \ 4 scan0014 | |
| Cylinder materials, lubricants, and the effects of heat on piston ring performance and design. | 19th Nov 1936 | Box 132 \ 4 scan0015 | |
| Analysis of piston ring arrangements and dry wear test results for various cylinder and ring materials. | 19th Nov 1936 | Box 132 \ 4 scan0016 | |
| List of observations on engine ring and cylinder wear, including factors like bore quality and lubricants. | 25th Nov 1936 | Box 132 \ 4 scan0017 | |
| Letter from the Experimental Department requesting information on cylinder materials and wear. | 25th Nov 1936 | Box 132 \ 4 scan0018 | |
| Letter to Hepworth & Grandage Ltd. placing an order for twelve experimental liners. | 30th Nov 1936 | Box 132 \ 4 scan0019 | |
| Requesting an order for twelve experimental Ph.III cylinder liners from Messrs Hepworth & Grandage. | 30th Nov 1936 | Box 132 \ 4 scan0020 | |
| Letter from The Austin Motor Company regarding a paper on cylinder material and wear. | 19th Nov 1936 | Box 132 \ 4 scan0021 | |
| Metallurgical analysis report for a wet liner, made from Vacrit Cylinder Iron by Hepworth & Grandage, including two micrographs. | 23th Nov 1936 | Box 132 \ 4 scan0022 | |
| Laboratory report on the chemical analysis and hardness of Phantom III Cylinder Liners. | 23th Nov 1936 | Box 132 \ 4 scan0023 | |
| Letter from Hepworth & Grandage Ltd. confirming a meeting to discuss 'Vacrit' Liners. | 25th Nov 1936 | Box 132 \ 4 scan0024 | |
| Comparative costs and suppliers for Phantom III cylinder liners. | 2nd Dec 1936 | Box 132 \ 4 scan0025 | |
| Cost comparison table for Phantom III cylinder liners from various manufacturers. | 2nd Dec 1936 | Box 132 \ 4 scan0026 | |
| Extracts from a paper on aircraft engine piston ring and cylinder wear, comparing material compositions. | 19th Nov 1936 | Box 132 \ 4 scan0027 | |
| Cylinder materials, lubricants, and the effects of heat on piston ring design and performance. | 19th Nov 1936 | Box 132 \ 4 scan0028 | |
| Analysis of piston ring arrangements, dry wear tests, and conclusions on cylinder and ring materials. | 19th Nov 1936 | Box 132 \ 4 scan0029 | |
| Numbered list of conclusions regarding engine ring and cylinder operation, wear, and testing. | 23th Nov 1936 | Box 132 \ 4 scan0030 | |
| Letter to The Austin Motor Co. Ltd. regarding cylinder material and wear. | 23th Nov 1936 | Box 132 \ 4 scan0031 | |
| Advantages of using separate cylinder liners over the existing solid cast design. | 25th Nov 1936 | Box 132 \ 4 scan0032 | |
| Letter from The Associated Equipment Co Ltd answering questions about cylinder materials and wear. | 1st Dec 1936 | Box 132 \ 4 scan0033 | |
| A.E.C. Specification No. 21 for Cast Iron Liners, detailing chemical analysis and hardness limits. | 1st Jun 1935 | Box 132 \ 4 scan0034 | |
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