| Description | Date | Identifier | |
| Recommendation to cable a payment of 300 dollars to Mr. Inskip for the purchase of parts. | 26th Mar 1934 | Box 173 \ 3 img010 | |
| Letter from Cuno Engineering Corp. regarding the shipment of radiator control valves and potential patent licensing. | 14th Feb 1934 | Box 173 \ 3 img011 | |
| List of Delco parts and their corresponding prices. | 14th Feb 1934 | Box 173 \ 3 img012 | |
| Parts and cost list for the front frame and suspension of a La Salle car. | 14th Feb 1934 | Box 173 \ 3 img013 | |
| Price and specification list for various V-16 and V-12 Cadillac models, including color and upholstery options. | 14th Feb 1934 | Box 173 \ 3 img014 | |
| Pistons ordered for Bentley. | 13th Mar 1934 | Box 173 \ 3 img015 | |
| Letter from the Aluminum Company of America discussing the suitability of a Dodge piston for experimental testing. | 13th Mar 1934 | Box 173 \ 3 img016 | |
| Blueprint showing a detailed cross-section of a mechanical component with annotations. | 13th Mar 1934 | Box 173 \ 3 img017 | |
| Blueprint showing drilling instructions and dimensions for a circular component. | 13th Mar 1934 | Box 173 \ 3 img018 | |
| Blueprint showing detailed cross-sections and dimensions for a piston. | 2nd Jun 1940 | Box 173 \ 3 img019 | |
| Blueprint for a machined circular component with specifications for drilling and grinding. | 2nd Jun 1940 | Box 173 \ 3 img020 | |
| Blueprint detailing specifications and manufacturing instructions for a mechanical component with ring grooves. | 2nd Jun 1940 | Box 173 \ 3 img021 | |
| Blueprint detailing manufacturing specifications for piston ring grooves and skirt. | 2nd Jun 1940 | Box 173 \ 3 img022 | |
| Blueprint drawing by the Aluminum Company of America for a Lynite T-Slot Piston for Chrysler Corp. | 14th Feb 1934 | Box 173 \ 3 img023 | |
| Letter from Bohn Aluminum & Brass Corp confirming an order for connecting rod bearings for Cadillac Motor Car Co. | 14th Feb 1934 | Box 173 \ 3 img024 | |
| Request for payment authorization for an invoice from Allison Engineering Co. for main bearings and materials. | 20th Mar 1934 | Box 173 \ 3 img025 | |
| Authorizing the settlement of an account for satisfactory bearings and material. | 29th Mar 1934 | Box 173 \ 3 img026 | |
| Cablegram from Indianapolis regarding a two-week parts completion time. | 31th Mar 1931 | Box 173 \ 3 img027 | |
| Cablegram advising of a Graham Paige car shipment aboard the SS American Farmer, expected in London around April 22nd. | 31th Mar 1931 | Box 173 \ 3 img028 | |
| Letter from Aluminum Company of America concerning an order for fourteen Chrysler pistons, their machining, rings, and Alumiliting process. | 16th Mar 1934 | Box 173 \ 3 img029 | |
| Partial blueprint detailing cross-sections and machining instructions for a circular mechanical component. | 16th Mar 1934 | Box 173 \ 3 img030 | |
| Blueprint detailing drilling instructions and dimensional callouts for a component. | 16th Mar 1934 | Box 173 \ 3 img031 | |
| Blueprint cross-section of a piston with detailed dimensions and manufacturing notes. | 2nd Jun 1934 | Box 173 \ 3 img032 | |
| Blueprint for a cam grind component showing detailed dimensions and drilling instructions. | 2nd Jun 1934 | Box 173 \ 3 img033 | |
| Blueprint with a cross-section view and manufacturing instructions for a component with ring grooves, likely a piston. | 2nd Jun 1934 | Box 173 \ 3 img034 | |
| Blueprint of a Lynite T-Slot Piston drawn by the Aluminum Company of America for Chrysler Corp. | 4th Apr 1934 | Box 173 \ 3 img035 | |
| Overview of the features of the new La Salle Car, a Cadillac product. | 4th Apr 1934 | Box 173 \ 3 img036 | |
| List of technical features including a graphite block clutch, steering, radiator cowl, thermostat, and an automatic choke. | 4th Apr 1934 | Box 173 \ 3 img037 | |
| The performance and practicality of supercharging using a centrifugal blower. | 4th Apr 1934 | Box 173 \ 3 img038 | |
| Notes on engine power increase, supercharger performance, and noise reduction. | 4th Apr 1934 | Box 173 \ 3 img039 | |
| Engine performance regarding fuel, cooling, oil temperatures, and component specifications. | 4th Apr 1934 | Box 173 \ 3 img040 | |
| The design of big end bearings and findings on using a plain choke carburetter with a centrifugal blower. | 4th Apr 1934 | Box 173 \ 3 img041 | |
| The design features of a supercharger, including petrol management, construction, and engine speed limitation. | 4th Apr 1934 | Box 173 \ 3 img042 | |
| Summary of the performance of a supercharged car and its blower device. | 4th Apr 1934 | Box 173 \ 3 img043 | |
| Report evaluating a Graham supercharged car, commenting on its engine, silence, and handling. | 4th Apr 1934 | Box 173 \ 3 img044 | |
| Graph comparing intake manifold pressure and vacuum against engine RPM for supercharged and non-supercharged engines. | 1st Apr 1934 | Box 173 \ 3 img045 | |
| Graph showing the effect of a supercharger on engine power and efficiency for a Graham Model 67 & 69 engine. | 1st Apr 1934 | Box 173 \ 3 img046 | |
| Telegram received by telephone from New York concerning valve tests and head distortion issues. | 13th Jan 1934 | Box 173 \ 3 img047 | |
| Telegram received by telephone with instructions for an exhaust valve and boost pressure for the Rye engine. | 3rd Feb 1937 | Box 173 \ 3 img048 | |
| Short typed message concerning the arrival of Hives in New York and the non-arrival of parts. | 10th Jan 1934 | Box 173 \ 3 img049 | |
| Night letter telegram to Allison Engineering Co. in Indianapolis concerning Curtiss bearings. | 19th Jan 1934 | Box 173 \ 3 img050 | |
| Letter from Wilcox-Rich Corporation to Mr. Rowbotham regarding a potential visit to the Packard plant. | 3rd Feb 1934 | Box 173 \ 3 img051 | |
| Letter from Wilcox-Rich Corporation discussing the design and function of different hydraulic tappets, including the Pierce-Arrow and Chrysler types. | 3rd Feb 1934 | Box 173 \ 3 img052 | |
| Letter from Wilcox-Rich Corporation discussing the development and benefits of a new hydraulic tappet design for engines. | 3rd Feb 1934 | Box 173 \ 3 img053 | |
| Technical drawing of a valve tappet for a Chrysler Imperial engine. | 23th Nov 1932 | Box 173 \ 3 img054 | |
| Blueprint for a poppet valve for a Pierce Arrow 12 & V16 engine, from the Wilcox-Rich Corporation. | 28th Jan 1933 | Box 173 \ 3 img055 | |
| Blueprint for a Chrysler hydraulic tappet. | 28th Nov 1933 | Box 173 \ 3 img056 | |
| Blueprint showing a cross-sectional view of a mechanical component. | 28th Nov 1933 | Box 173 \ 3 img057 | |
| Blueprint detailing valve lift specifications and component dimensions. | 28th Nov 1933 | Box 173 \ 3 img058 | |
| Blueprint showing a cross-section of a mechanical assembly with part callouts. | 28th Nov 1933 | Box 173 \ 3 img059 | |
| Blueprint showing cross-section and side views of a camshaft component. | 28th Nov 1933 | Box 173 \ 3 img060 | |
| Blueprint cover with a handwritten note about drilling for seepage clearance. | 7th Dec 1933 | Box 173 \ 3 img061 | |
| Blueprint of a hydraulic tappet layout for a Waukesha Motor Co. engine. | 7th Dec 1933 | Box 173 \ 3 img062 | |
| Letter from Wilcox-Rich Corporation providing information on torches used for applying Stellite. | 5th Feb 1934 | Box 173 \ 3 img063 | |
| Table correlating car speed in M.P.H. with the R.P.M. of various components for an axle ratio of 4.25. | 26th Oct 1933 | Box 173 \ 3 img064 | |
| Attached letter received from the Wright Aeronautical Corporation. | 8th Mar 1934 | Box 173 \ 3 img065 | |
| Cover letter from Wright Aeronautical Corporation listing enclosed reports, instruction books and drawings. | 25th Feb 1934 | Box 173 \ 3 img066 | |
| Confirming the dispatch of documents related to the 'Conqueror' and the temporary retention of others. | 24th Mar 1934 | Box 173 \ 3 img067 | |
| Shipping order from Wright Aeronautical Corp. for experimental documents sent to London. | 2nd Mar 1934 | Box 173 \ 3 img068 | |
| Requesting the return of a Letter of Credit and List of Correspondents following a trip to America. | 10th Apr 1934 | Box 173 \ 3 img069 | |
| With the address of the Central Hanover Trust Co. in New York. | 11th Apr 1934 | Box 173 \ 3 img070 | |
| Sending instruction books for Wright Aeronautical 'Whirlwind' and 'Cyclone' engines. | 11th Apr 1934 | Box 173 \ 3 img071 | |
| Cashed Letter of Credit and a mislaid list of correspondents. | 13th Apr 1934 | Box 173 \ 3 img072 | |
| Clarifying the date and duration of a flight that took place in America. | 13th Apr 1934 | Box 173 \ 3 img073 | |
| Letter to Graham-Paige Motors Corporation requesting data on their worm drive technology. | 12th Apr 1934 | Box 173 \ 3 img074 | |
| Letter from the President of Rolls-Royce of America to W. A. Robotham acknowledging receipt of funds and providing an accounting of expenditures for parts. | 3rd Apr 1934 | Box 173 \ 3 img075 | |
| Invoice from United Aircraft Products for two oil temperature regulators sold to Rolls-Royce of America. | 18th Mar 1934 | Box 173 \ 3 img076 | |
| Letter to J.S. Inskip regarding an invoice from Cadillac for a '16' and a LaSalle frame. | 13th Apr 1934 | Box 173 \ 3 img077 | |
| Letter from Graham-Paige Motors Corporation to Mr. W. A. Robotham regarding a car purchase and shipment. | 28th Mar 1934 | Box 173 \ 3 img078 | |
| Letter to Delco-Remy Corporation seeking clarification on direction indicators and dynamo specifications. | 13th Apr 1934 | Box 173 \ 3 img079 | |
| Technical report by Graham Paige on the performance of supercharging by a centrifugal blower. | 4th Apr 1934 | Box 173 \ 3 img080 | |
| Supercharger noise, fuel requirements, engine cooling, and oil temperatures. | 4th Apr 1934 | Box 173 \ 3 img081 | |
| Engine components including big end bearings, carburettors, blowers, superchargers, and engine speed limitations. | 4th Apr 1934 | Box 173 \ 3 img082 | |
| Blower efficiency and a summary of a supercharged Graham Paige car. | 4th Apr 1934 | Box 173 \ 3 img083 | |
| Graph plotting intake manifold pressure and vacuum against engine RPM for supercharged and non-supercharged engines. | 4th Apr 1934 | Box 173 \ 3 img084 | |
| Performance curve chart comparing a supercharged and a non-supercharged Graham engine. | 4th Apr 1934 | Box 173 \ 3 img085 | |
| Visit to the U.S.A. automobile industry, discussing independent front wheel suspension systems. | 4th Apr 1934 | Box 173 \ 3 img086 | |
| Analysis of Chrysler's Air-Flow design challenges and contemporary coachwork trends. | 4th Apr 1934 | Box 173 \ 3 img087 | |
| Analysis of American car design and power unit technology, focusing on body rigidity and engine silence. | 4th Apr 1934 | Box 173 \ 3 img088 | |
| Supercharger development, bearings, and engine design improvements. | 4th Apr 1934 | Box 173 \ 3 img089 | |
| Competitor automotive engineering developments, including crankshafts, pistons, and valve gear. | 4th Apr 1934 | Box 173 \ 3 img090 | |
| Comparison of American engine design practices with existing company methods. | 4th Apr 1934 | Box 173 \ 3 img091 | |
| Engine cooling components, including the sourcing of a more efficient matrix, development of variable fans, and the necessity of an oil cooler. | 4th Apr 1934 | Box 173 \ 3 img092 | |
| Technical report discussing developments in steering and transmission systems. | 4th Apr 1934 | Box 173 \ 3 img093 | |
| Hypoid rear axles and a comparative analysis of competitor brake systems, concluding with a recommendation to revise the current brake linkage. | 4th Apr 1934 | Box 173 \ 3 img094 | |
| Comparison of dynamo, starter motor, and car weight technologies, contrasting British practices with those of American manufacturers like Cadillac and Pontiac. | 4th Apr 1934 | Box 173 \ 3 img095 | |
| Comparison of car weights and performance between a company model and American competitors. | 4th Apr 1934 | Box 173 \ 3 img096 | |
| Future development trends in the automotive industry, covering engines, chassis, and body design. | 4th Apr 1934 | Box 173 \ 3 img097 | |
| Engine, transmission, and suspension developments, referencing competitor technologies from Cadillac and Graham. | 4th Apr 1934 | Box 173 \ 3 img098 | |
| Outlining considerations and recommendations for future automobile development work. | 4th Apr 1934 | Box 173 \ 3 img099 | |
| Analysis of American automotive technology and practices for potential improvements. | 4th Apr 1934 | Box 173 \ 3 img100 | |
| List of American component manufacturers, their products, and their representation status in England. | 4th Apr 1934 | Box 173 \ 3 img101 | |
| Using specialist-made parts versus in-house production, comparing approaches to American manufacturers and durability standards. | 4th Apr 1934 | Box 173 \ 3 img102 | |
| American automotive testing, design, and engine practices, suggesting the evaluation of a La Salle car. | 4th Apr 1934 | Box 173 \ 3 img103 | |
| Bentley car road test in the USA, detailing road conditions and suspension performance. | 4th Apr 1934 | Box 173 \ 3 img104 | |
| Vehicle performance issues including frame jellying, cold weather lubrication, and ground clearance in snow. | 4th Apr 1934 | Box 173 \ 3 img105 | |
| Vehicle performance issues in cold weather, including brakes, gears, and valve springs. | 4th Apr 1934 | Box 173 \ 3 img106 | |
| Necessary equipment and carburation adjustments for cars intended for the American market. | 4th Apr 1934 | Box 173 \ 3 img107 | |
| Confirming arrangements for shipping a Hudson Motors car and a Graham-Paige from Detroit to England. | 6th Apr 1934 | Box 173 \ 3 img108 | |
| Thank you letter to J. Inskip of Rolls-Royce America following a trip to New York. | 7th Apr 1934 | Box 173 \ 3 img109 | |
| | | | |
