| Description | Date | Identifier | |
| Small-quantity automobile body production, aircraft industry practices, sheet metal work, and material tolerances. | 7th Mar 1940 | Box 178 \ 2 img073 | |
| Comparison of American and British sheet metal practices, gauges, and costs for car body construction. | 7th Mar 1940 | Box 178 \ 2 img074 | |
| Different drafting and design methods, comparing an aluminum sheet method with the Cadillac system. | 7th Mar 1940 | Box 178 \ 2 img075 | |
| Insulating front suspension from road noise, comparing Packard and Opel Kapitan schemes for the 'Myth' project. | 5th Mar 1940 | Box 178 \ 2 img076 | |
| Conversation with Mr. Heron regarding engine valve technology, problems, and potential solutions. | 4th Mar 1940 | Box 178 \ 2 img077 | |
| Hollow-head valves, supercharger designs, and fuel injection systems for aircraft engines. | 4th Mar 1940 | Box 178 \ 2 img078 | |
| Safety fuels, spark injection, carburetters, octane ratings, and nitriding steels for aero engines. | 4th Mar 1941 | Box 178 \ 2 img079 | |
| Steel orders, Vulture valve springs, and automatic transmission technologies. | 4th Mar 1940 | Box 178 \ 2 img080 | |
| Letter from Lemaire Tool & Mfg. Co. regarding direct gasoline injection for aviation engines. | 28th Feb 1940 | Box 178 \ 2 img081 | |
| Agenda and details for a conference on Plain Bearings, Surface Finish, and Lubrication at M.I.T. | 7th Feb 1940 | Box 178 \ 2 img082 | |
| Plain bearings and surface finish, detailing industry visits and participants for a conference. | 7th Feb 1940 | Box 178 \ 2 img083 | |
| Summary of findings on plain bearings and surface finishing techniques. | 7th Feb 1940 | Box 178 \ 2 img084 | |
| Characteristics and applications of plain bearings and surface finishes. | 7th Feb 1940 | Box 178 \ 2 img085 | |
| Cover memo forwarding a report from Olley for future discussion. | 1st Feb 1940 | Box 178 \ 2 img086 | |
| Letter discussing American drop head motor car practices and torsional stiffness comparisons. | 11th Jan 1940 | Box 178 \ 2 img087 | |
| Page of a report discussing torsional stiffness in car design, comparing various models and addressing vehicle weight. | 11th Jan 1940 | Box 178 \ 2 img088 | |
| Rationalization of car structure, comparing different construction methods, and the future of frameless and fram-body designs. | 11th Jan 1940 | Box 178 \ 2 img089 | |
| Technical analysis of car body rumble, floor materials, and frame construction on various models. | 11th Jan 1940 | Box 178 \ 2 img090 | |
| Report discussing four-link coil spring suspension, Oldsmobile gearboxes, and laminated glass. | 11th Jan 1940 | Box 178 \ 2 img091 | |
| Letter from Maurice Olley discussing changes to headlamp design and vehicle chassis stiffness. | 11th Jan 1940 | Box 178 \ 2 img092 | |
| Notes on the design and characteristics of a four-link coil spring rear axle. | 11th Jan 1940 | Box 178 \ 2 img093 | |
| Coil spring suspension systems, their benefits over leaf springs, and testing requirements. | 2nd Feb 1940 | Box 178 \ 2 img094 | |
| Blueprint detailing the general construction and geometry of a 4-link coil spring rear axle suspension system. | 2nd Feb 1940 | Box 178 \ 2 img095 | |
| Diagrams showing understeer line and an improved 4-link coil spring rear axle construction. | 2nd Feb 1940 | Box 178 \ 2 img096 | |
| Schematic of a 9-cylinder radial engine showing the injector pump, servomotor, and air control valve. | 2nd Jan 1926 | Box 178 \ 2 img097 | |
| Diagram of the Ljungstrom injection system with components such as the air control valve and fuel pipe. | 2nd Jan 1926 | Box 178 \ 2 img098 | |
| Cross-section diagrams of a servomotor and an associated mechanism. | 12th Feb 1940 | Box 178 \ 2 img099 | |
| Cross-section drawing of a Ljungstrom Injector. | 12th Feb 1940 | Box 178 \ 2 img100 | |
| Cover memo for an attached document from Olley regarding work on crankshaft forgings in America. | 30th Jan 1940 | Box 178 \ 2 img101 | |
| Letter from Rolls-Royce Inc. Detroit to Rolls-Royce Ltd. Derby regarding crankshaft production, comparing steel types and forging practices. | 9th Jan 1940 | Box 178 \ 2 img102 | |
| Notes on a visit to the Wyman-Gordon Co. plant in Harvey, Illinois to see the first forging of Merlin crankshafts. | 5th Jan 1940 | Box 178 \ 2 img103 | |
| Visit to Harvey, Illinois, concerning the forging process and steel quality for Merlin engine cranks. | 5th Jan 1940 | Box 178 \ 2 img104 | |
| Notes from a visit to Harvey, Illinois, regarding steel forging practices, material analysis, and pricing proposals for aircraft steel. | 5th Jan 1940 | Box 178 \ 2 img105 | |
| Machining, nitriding, and steel selection for car cranks, including comparisons with American manufacturing practices. | 5th Jan 1940 | Box 178 \ 2 img106 | |
| Notes on steel types, machinability, hardening processes, and crankshaft manufacturing. | 5th Jan 1940 | Box 178 \ 2 img107 | |
| Notes from a visit to Harvey, Illinois, discussing steel types for small aero engine cranks. | 2nd Jan 1936 | Box 178 \ 2 img108 | |
| 1935 visit to the USA to investigate chassis issues and research American automobile engineering trends. | 2nd Jan 1936 | Box 178 \ 2 img109 | |
| Performance comparison against American cars and considerations for future vehicle design, including cornering behaviour and drivetrain layouts. | 1st Jan 1935 | Box 178 \ 2 img110 | |
| Comparison of chassis construction, noise insulation, and flexible flywheels against American cars like Cadillac, Briggs, and Hudson. | 2nd Jan 1936 | Box 178 \ 2 img111 | |
| The major problems of the Ph.III chassis, focusing on tyre noise and gearbox clunking. | 1st Jan 1936 | Box 178 \ 2 img112 | |
| Technical memo discussing American practices for gearboxes, road shocks, and engine mountings. | 2nd Jan 1935 | Box 178 \ 2 img113 | |
| Observations on engine noise insulation, induction, percolation, and hot-spots. | 2nd Jan 1935 | Box 178 \ 2 img114 | |
| Engine volumetric efficiencies, carburetter drains, and rubber slipper wheels with comparisons to American manufacturers. | 2nd Jan 1936 | Box 178 \ 2 img115 | |
| Notes on road shocks, supercharging, and bearing materials. | 8th Jan 1936 | Box 178 \ 2 img116 | |
| Notes on crankshaft bearings, clutches, frame construction, and competitor costs. | 3rd Jan 1935 | Box 178 \ 2 img117 | |
| Answering questions on Buick oil coolers, General Motors crankcase ventilation, Hudson timing gears, and GM piston development. | 2nd Jan 1935 | Box 178 \ 2 img118 | |
| Acquiring 'skid pan' test equipment and sharing experimental results with Cadillac to improve car handling and springing. | 7th Jan 1936 | Box 178 \ 2 img119 | |
| Weight analysis of Pontiac cars, comparing figures and noting differences in bumper inclusion. | 16th Apr 1934 | Box 178 \ 2 img120 | |
| Weight analysis of the chassis and running gear components for a 4-door 1934 Pontiac. | 16th Apr 1934 | Box 178 \ 2 img121 | |
| Weight breakdown of chassis components, sheet metal, and lamps, with a total weight calculation. | 16th Apr 1934 | Box 178 \ 2 img122 | |
| Detailed weight breakdown of vehicle components, body, equipment, and fluids. | 4th Apr 1934 | Box 178 \ 2 img123 | |
| Visit to the U.S. automobile industry, discussing riding comfort and independent front wheel suspension systems. | 4th Apr 1934 | Box 178 \ 2 img124 | |
| Comparison of Chrysler Air-Flow cars with competitors, focusing on weight distribution, design, and coachwork. | 4th Apr 1934 | Box 178 \ 2 img125 | |
| Comparison of American car manufacturing practices regarding body rigidity, aesthetics, and power unit silence. | 4th Apr 1934 | Box 178 \ 2 img126 | |
| Engine development, including superchargers, bearings, and American automotive trends. | 4th Apr 1934 | Box 178 \ 2 img127 | |
| Competitor engine developments, including crankshafts, dampers, and pistons. | 4th Apr 1934 | Box 178 \ 2 img128 | |
| Comparison of engine design practices, particularly American methods, concerning lubrication, piston rings, materials, and valve clearance. | 4th Apr 1934 | Box 178 \ 2 img129 | |
| Engine cooling systems, including radiator matrices, fans, and oil coolers, comparing manufacturing options and supplier capabilities. | 4th Apr 1934 | Box 178 \ 2 img130 | |
| Steering and transmission developments, including steering ratios, clutch design, and gearbox technology. | 4th Apr 1934 | Box 178 \ 2 img131 | |
| Comparative analysis of hypoid rear axles and various braking systems used by competitors. | 4th Apr 1934 | Box 178 \ 2 img132 | |
| Dynamos, starter motors, and car weights, with comparisons to American automotive practices. | 4th Apr 1934 | Box 178 \ 2 img133 | |
| Proposing a weight analysis scheme and comparing car weights against American competitors. | 4th Apr 1934 | Box 178 \ 2 img134 | |
| Market intelligence report on future development trends in the American automotive industry. | 4th Apr 1934 | Box 178 \ 2 img135 | |
| Summary and recommendation on future engineering developments, focusing on transmissions and independent front wheel suspension. | 4th Apr 1934 | Box 178 \ 2 img136 | |
| Engineering document outlining opinions and recommendations for future automotive development and testing. | 4th Apr 1934 | Box 178 \ 2 img137 | |
| Report analyzing and comparing automotive components and production methods with American competitors. | 4th Apr 1934 | Box 178 \ 2 img138 | |
| List of specialist part suppliers and the components they provide. | 4th Apr 1934 | Box 178 \ 2 img139 | |
| Comparison of manufacturing strategies and durability testing standards with American automobile companies. | 4th Apr 1934 | Box 178 \ 2 img140 | |
| Comparison of American and British car testing facilities, performance philosophies, and potential design considerations. | 4th Apr 1934 | Box 178 \ 2 img141 | |
| Summary of the features of the new La Salle car, a Cadillac product. | 4th Apr 1934 | Box 178 \ 2 img142 | |
| Numbered list of vehicle component features and improvements. | 4th Apr 1934 | Box 178 \ 2 img143 | |
| Road test of a Bentley car in the U.S.A., covering weather, road conditions, and identified faults, particularly with the suspension. | 4th Apr 1934 | Box 178 \ 2 img144 | |
| Vehicle performance issues concerning frame jellying, lubrication in cold weather, and ground clearance in snow. | 4th Apr 1934 | Box 178 \ 2 img145 | |
| Vehicle issues including frozen brakes, gear ratios, valve spring failures, and radiator lag. | 4th Apr 1934 | Box 178 \ 2 img146 | |
| General equipment and carburetion for cars intended for the American market. | 4th Apr 1934 | Box 178 \ 2 img147 | |
| The performance and characteristics of a Graham Paige centrifugal blower supercharger. | 4th Apr 1934 | Box 178 \ 2 img148 | |
| Report discussing engine development points including supercharger silence, fuel, cooling, and oil temperatures. | 4th Apr 1934 | Box 178 \ 2 img149 | |
| Engine components including big end bearings, carburetter with blower, and supercharger construction. | 4th Apr 1934 | Box 178 \ 2 img150 | |
| Blower efficiency and a summary of a supercharged car, with comparisons to Graham Paige and Duesenberg models. | 4th Apr 1934 | Box 178 \ 2 img151 | |
| Graph plotting intake manifold pressure and vacuum against engine RPM for supercharged and non-supercharged engines. | 4th Apr 1934 | Box 178 \ 2 img152 | |
| Performance curve graph comparing the effect of a supercharger on a Graham 8-cylinder engine's power and efficiency. | 9th Mar 1934 | Box 178 \ 2 img153 | |
| Report from the U.S.A. on a valve spring failure, subsequent engine damage, and cold weather performance. | 9th Mar 1934 | Box 178 \ 2 img154 | |
| Vehicle comparisons, valve spring failures, Bentley ground clearance issues, and travel plans from Detroit. | 9th Mar 1934 | Box 178 \ 2 img155 | |
| Report from the U.S.A. discussing the acquisition of a General Motors La Salle car for engineering analysis. | 3rd Mar 1934 | Box 178 \ 2 img156 | |
| Car comparisons, parts compatibility, solder specifications for radiators, and front-end drives. | 3rd Mar 1934 | Box 178 \ 2 img157 | |
| The existing state of front-end drives in American cars, comparing gear versus chain systems. | 3rd Mar 1934 | Box 178 \ 2 img158 | |
| Engine component choices, comparing timing gears and chains, with references to competitor vehicles like Cadillac, Ford, and Lincoln. | 3rd Mar 1934 | Box 178 \ 2 img159 | |
| Graph of valve lift versus crankshaft degrees, for use on a C.A.C. engine with a hydraulic tappet. | 1st Jul 1932 | Box 178 \ 2 img160 | |
| Report from the USA on valve spring and radiator failures, with updates on oil cooler and shock absorber development. | 3rd Mar 1934 | Box 178 \ 2 img161 | |
| Minutes of the Coachwork Sub Committee meeting discussing tool accommodation and luggage grids. | 23th Feb 1934 | Box 178 \ 2 img162 | |
| Standardization of Saloon and Coupe bodies, including revised dimensions and supplier negotiations. | 23th Feb 1934 | Box 178 \ 2 img163 | |
| Meeting notes discussing vehicle body modifications, including colour schemes and lowering step irons. | 23th Feb 1934 | Box 178 \ 2 img164 | |
| The merits of toughened glass over reinforced laminated glass for vehicle windows. | 26th Feb 1934 | Box 178 \ 2 img165 | |
| Importing a Cadillac, customs duty considerations, and comparison with Bentley and a future 12-cylinder model. | 26th Feb 1934 | Box 178 \ 2 img166 | |
| Competitor vehicle analysis (Terraplane, Cadillac, Buick) for product improvement. | 26th Feb 1934 | Box 178 \ 2 img167 | |
| Outlining a US trip itinerary, notes on a Bentley test, and other business matters. | 26th Feb 1934 | Box 178 \ 2 img168 | |
| Vehicle performance and issues encountered during testing in American winter conditions. | 27th Jan 1934 | Box 178 \ 2 img169 | |
| Page two of a letter discussing travel plans and where to forward mail. | 27th Jan 1934 | Box 178 \ 2 img170 | |
| Report from the U.S.A. on issues with a Bentley, including engine boom, brake problems, and commentary on independent suspension. | 12th Feb 1934 | Box 178 \ 2 img171 | |
| Engine and body noise, resonance, and potential acoustic solutions. | 12th Feb 1934 | Box 178 \ 2 img172 | |
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