| Description | Date | Identifier | |
| Power and consumption curves with a valve timing diagram for an Alfa-Romeo unit. | 4th Feb 1932 | Box 124 \ 5 scan0035 | |
| Graph of Boost Pressure and Temperature against RPM for an Alfa-Romeo engine. | 15th Mar 1939 | Box 124 \ 5 scan0036 | |
| Graph plotting the mechanical efficiency versus RPM for an Alfa-Romeo unit. | 15th Mar 1939 | Box 124 \ 5 scan0037 | |
| Exhaust valve lift diagram for an Alfa-Romeo unit. | 15th Mar 1939 | Box 124 \ 5 scan0038 | |
| Graph detailing the inlet valve lift of an Alfa-Romeo unit against the crank angle in degrees. | 17th Feb 1932 | Box 124 \ 5 scan0039 | |
| Telegram received by telephone requesting particulars for an 'Alsa' gearbox and back axle. | 17th Feb 1932 | Box 124 \ 5 scan0040 | |
| Providing details of Alfa Romeo gear ratios. | 18th Feb 1932 | Box 124 \ 5 scan0041 | |
| Diagram and specifications for Alfa Romeo gear ratios. | 18th Feb 1932 | Box 124 \ 5 scan0042 | |
| Requesting the braking ratio and gearbox mechanism dimensions for an Alfa Romeo. | 19th Feb 1932 | Box 124 \ 5 scan0043 | |
| Technical memorandum detailing the dimensions and specifications of Alfa gears. | 22th Feb 1932 | Box 124 \ 5 scan0044 | |
| Request for further information on the gear tooth width of an Alfa Romeo gearbox. | 22th Feb 1932 | Box 124 \ 5 scan0045 | |
| Specifications and test results for an Alfa-Romeo Camshaft Vibration Damper. | 23th Feb 1932 | Box 124 \ 5 scan0046 | |
| Document detailing spring rating data and a corresponding diagram of a gear and drum assembly. | 24th Feb 1938 | Box 124 \ 5 scan0047 | |
| Graph showing the spring rating of an Alfa-Romeo camshaft vibration damper. | 24th Feb 1938 | Box 124 \ 5 scan0048 | |
| The status of an Alfa Romeo car for which there is a sales offer. | 29th Feb 1932 | Box 124 \ 5 scan0049 | |
| Secret memo regarding the Alfa Romeo car and its points of similarity with the Bensport designs. | 1st Mar 1932 | Box 124 \ 5 scan0050 | |
| Test report on the overall stiffness of an Alfa-Romeo crankshaft, showing deflection measurements under torque. | 2nd Mar 1932 | Box 124 \ 5 scan0051 | |
| Reverse gear design of an Alfa Romeo gearbox and a planned synchromesh test. | 2nd Mar 1932 | Box 124 \ 5 scan0052 | |
| Blueprint diagram showing the gear train arrangement for an Alfa Romeo 1750 CC. | 2nd Mar 1932 | Box 124 \ 5 scan0053 | |
| Future of an Alfa-Romeo car in relation to a 'Bensport' project. | 2nd Mar 1932 | Box 124 \ 5 scan0054 | |
| Technical report on an Alfa-Romeo Car, detailing the engine specifications and crankshaft assembly. | 3rd Mar 1932 | Box 124 \ 5 scan0055 | |
| Description of the supercharger, valve gear, gearbox, and rear axle components. | 3rd Mar 1932 | Box 124 \ 5 scan0056 | |
| Continuation of a specification sheet detailing the front axle, brakes, steering, springs, electrical system, and chassis. | 3rd Mar 1932 | Box 124 \ 5 scan0057 | |
| Cutaway photograph showing the internal gears of a differential assembly. | 29th Feb 1932 | Box 124 \ 5 scan0058 | |
| Blueprint drawing with dimensions for an Alfa-Romeo valve. | 29th Feb 1932 | Box 124 \ 5 scan0059 | |
| Blueprint showing the layout of brakes and cam profile for an Alfa Romeo 1750 cc. | 27th Feb 1932 | Box 124 \ 5 scan0060 | |
| Blueprint diagram of the steering mechanism for an Alfa Romeo 1750 CC. | 29th Feb 1932 | Box 124 \ 5 scan0061 | |
| Diagrams of an Alfa Romeo 1750cc engine's combustion space and camshaft brake. | 29th Feb 1932 | Box 124 \ 5 scan0062 | |
| Specification sheet detailing the characteristics of Alfa-Romeo valve springs. | 27th Feb 1932 | Box 124 \ 5 scan0063 | |
| Blueprint showing the design and dimensions for an Alfa-Romeo piston. | 29th Feb 1932 | Box 124 \ 5 scan0064 | |
| Graph showing valve lift, velocity, and acceleration curves for an Alfa Romeo 1750 cc engine. | 29th Feb 1932 | Box 124 \ 5 scan0065 | |
| Engineering drawing of an Alfa Romeo connecting rod. | 29th Feb 1932 | Box 124 \ 5 scan0066 | |
| Alfa-Romeo crankshaft at 1/2 scale. | 28th Feb 1942 | Box 124 \ 5 scan0067 | |
| Correcting a previous sketch and detailing the reverse gear mechanism on an Alfa Romeo. | 3rd Mar 1932 | Box 124 \ 5 scan0068 | |
| Schematic diagram of the gear train arrangement for an Alfa Romeo 1750 C.C. | 4th Mar 1932 | Box 124 \ 5 scan0069 | |
| Confirming the decision to retain an Alfa-Romeo car as long as it is of value. | 8th Mar 1932 | Box 124 \ 5 scan0070 | |
| Steering and performance specifications for an Alfa Romeo 1750 cc supercharged chassis. | 16th Mar 1932 | Box 124 \ 5 scan0071 | |
| Analysis of an Alfa Romeo engine, comparing its performance and design to internal projects. | 18th Mar 1932 | Box 124 \ 5 scan0072 | |
| Request for a drawing and measurements of an Alfa Romeo clutch. | 6th Apr 1932 | Box 124 \ 5 scan0073 | |
| Technical memorandum detailing the specifications of an Alfa-Romeo clutch. | 11th Apr 1932 | Box 124 \ 5 scan0074 | |
| Requesting particulars of the Alfa Romeo clutch to assist in the design of a similar clutch for the Bensport. | 6th Apr 1932 | Box 124 \ 5 scan0075 | |
| Specifications and performance graph for an Alfa Romeo clutch and its springs. | 11th Apr 1932 | Box 124 \ 5 scan0076 | |
| Sending of an arrangement drawing for an Alfa Romeo clutch. | 13th Apr 1932 | Box 124 \ 5 scan0077 | |
| Blueprint of a clutch arrangement for a 1750cc Alfa Romeo. | 13th Apr 1932 | Box 124 \ 5 scan0078 | |
| Letter from Alfa Romeo British Sales offering to repurchase a recently acquired supercharged model. | 19th May 1932 | Box 124 \ 5 scan0079 | |
| High co-efficient of friction of an Alfa Romeo clutch compared to a standard RR clutch. | 21th Apr 1932 | Box 124 \ 5 scan0080 | |
| Comparison of the coefficient of friction between an R.R. and an Alfa Romeo clutch. | 25th Apr 1932 | Box 124 \ 5 scan0081 | |
| Analysis of an Alfa Romeo 8-cylinder racing engine and its aluminium alloy. | 8th Jul 1932 | Box 124 \ 5 scan0082 | |
| Technical specifications and valve timing data for an Alfa Romeo engine. | 8th Jul 1932 | Box 124 \ 5 scan0083 | |
| Material composition analysis for an aluminium head with direct valve seats, referencing Alfa Romeo cylinder castings. | 9th Jul 1932 | Box 124 \ 5 scan0084 | |
| Technical description and analysis of an Alfa-Romeo 1750 cc Roots type supercharger. | 9th Jul 1932 | Box 124 \ 5 scan0085 | |
| Typed report on the mechanical design and arrangement of a supercharger blower unit, page 2. | 9th Jul 1932 | Box 124 \ 5 scan0086 | |
| Performance tests comparing an Alfa-Romeo blower with a Powerplus blower, presenting adiabatic and volumetric efficiency curves. | 9th Jul 1932 | Box 124 \ 5 scan0087 | |
| Comparison of Powerplus and Roots Alfa-Romeo supercharger efficiencies. | 21th Jun 1932 | Box 124 \ 5 scan0088 | |
| Instructing the rebuild of an Alfa Romeo car following the return of blower parts from the Powerplus Company. | 12th Jul 1932 | Box 124 \ 5 scan0089 | |
| Comparison of the Peregrine and Alfa Romeo engine power outputs and components. | 19th Jul 1932 | Box 124 \ 5 scan0090 | |
| Altering blower parts to make it suitable for any desired boost. | 19th Jul 1932 | Box 124 \ 5 scan0091 | |
| Performance comparison graph and data table for the 1760cc Alfa Romeo and 2364cc Peregrine engines. | 27th Jul 1932 | Box 124 \ 5 scan0092 | |
| The servicing of an Alfa-Romeo car's clutch and unconnected front brakes. | 27th Jul 1932 | Box 124 \ 5 scan0093 | |
| Letter to Barker & Co. Ltd. regarding a slipping clutch on an Alfa Romeo car being tested by the Experimental Department. | 27th Jul 1932 | Box 124 \ 5 scan0094 | |
| Repair status and collection of an Alfa Romeo with clutch trouble. | 8th Aug 1932 | Box 124 \ 5 scan0095 | |
| Notification regarding the collection of an Alpha Romeo car from Messrs. Barkers. | 9th Aug 1932 | Box 124 \ 5 scan0096 | |
| Collection of an Alpha Romeo car from Lillie Hall. | 10th Aug 1932 | Box 124 \ 5 scan0097 | |
| Arranging the collection of an Alfa Romeo car to be taken to Brooklands track. | 11th Aug 1932 | Box 124 \ 5 scan0098 | |
| Performance test results for an Alfa Romeo at Brooklands, including lap times and speedometer checks. | 16th Aug 1932 | Box 124 \ 5 scan0099 | |
| Track tests of an Alfa-Romeo, detailing lap speeds, speedometer accuracy, and comparisons with other vehicles. | 16th Aug 1932 | Box 124 \ 5 scan0100 | |
| Faulty clutch on an Alfa-Romeo car which needs repair before sale. | 8th Sep 1932 | Box 124 \ 5 scan0101 | |
| Note discussing the temperature rise in a Powrplus blower and comparing measured versus calculated values. | 24th Sep 1932 | Box 124 \ 5 scan0102 | |
| Calculations and temperature analysis for an Alfa-Romeo engine blower. | 24th Sep 1932 | Box 124 \ 5 scan0103 | |
| Performance calculations and test data for the Powerplus Blower No. 10 on an engine. | 27th Sep 1932 | Box 124 \ 5 scan0104 | |
| The disposal of an Alfa-Romeo car after completing information gathering. | 27th Sep 1932 | Box 124 \ 5 scan0105 | |
| Letter arranging the assessment and potential sale of an Alfa-Romeo car. | 28th Sep 1932 | Box 124 \ 5 scan0106 | |
| The condition and delivery of an Alfa Romeo car. | 29th Sep 1932 | Box 124 \ 5 scan0107 | |
| Sale of an Alfa Romeo car by Barkers. | 30th Sep 1932 | Box 124 \ 5 scan0108 | |
| Test drive report on a 2-3 litre Alfa Romeo, detailing its performance and mechanical features. | 7th Nov 1932 | Box 124 \ 5 scan0109 | |
| The design and performance of cylinder heads and brake-drums. | 18th Feb 1932 | Box 124 \ 5 scan0110 | |
| Valve design of a 2-3 litre Alfa Romeo engine and suggesting a similar experiment. | 11th Nov 1932 | Box 124 \ 5 scan0111 | |
| Speed tests of a super-charged Alfa Romeo 1750 c.c. at the Milan autostrada in wet conditions. | 1st Dec 1932 | Box 124 \ 5 scan0112 | |
| Test drive and evaluation of an 8-cylinder 2-litre supercharged Alfa Romeo. | 16th Jun 1933 | Box 124 \ 5 scan0113 | |
| Continued report on competitor car trials, mentioning Alfa, Alvis, Lagonda, and Invicta. | 16th Jun 1933 | Box 124 \ 5 scan0114 | |
| John Cobb's purchase of Brian Lewis's Racing 'Alpha' and an invitation to view the dismantled car. | 19th Dec 1933 | Box 124 \ 5 scan0115 | |
| Request to view Mr. Cobb's Alfa-Romeo car in pieces at Thompson and Taylor's. | 20th Dec 1933 | Box 124 \ 5 scan0116 | |
| Technical report on the 8-Cylinder 2 1/4 litre Alfa Romeo chassis and engine. | 23th Dec 1933 | Box 124 \ 5 scan0117 | |
| Description of the camshafts, cylinder block and crankcase with component diagrams for a cam and rear bearing cap. | 23th Dec 1933 | Box 124 \ 5 scan0118 | |
| Description and blueprint diagram of a crankshaft and its associated drive gears. | 23th Dec 1933 | Box 124 \ 5 scan0119 | |
| Specifications for pistons, connecting rods, clutch, and supercharger. | 23th Dec 1933 | Box 124 \ 5 scan0120 | |
| Blueprint with dimensional specifications for an 8-cylinder Alfa Romeo crankshaft. | 29th Dec 1933 | Box 124 \ 5 scan0121 | |
| Letter to Thomson & Taylor Ltd. requesting a sketch of an 8-cylinder Alfa Romeo crankshaft assembly. | 29th Dec 1933 | Box 124 \ 5 scan0122 | |
| Letter from Thomson & Taylor (Brooklands) Ltd. regarding the examination of a gear and damper. | 1st Jan 1934 | Box 124 \ 5 scan0123 | |
| Drawing of an Alfa Romeo crankshaft centre section. | 30th Dec 1933 | Box 124 \ 5 scan0124 | |
| Letter thanking Thomson & Taylor for a sketch of an Alfa crankshaft and arranging its disassembly. | 4th Jan 1934 | Box 124 \ 5 scan0125 | |
| Crankshaft calculations including stiffness and inertia for an 8-cylinder Alfa-Romeo engine. | 5th Jan 1934 | Box 124 \ 5 scan0126 | |
| Letter to Mr. Taylor of Thomson & Taylor requesting a sketch of an Alfa Crankshaft assembly. | 16th Jan 1934 | Box 124 \ 5 scan0127 | |
| Letter from Thomson & Taylor (Brooklands) Ltd. enclosing a print showing the arrangement of an Alfa Romeo camshaft and blower drive wheels. | 17th Jan 1934 | Box 124 \ 5 scan0128 | |
| Letter to G.H.K. Taylor of Thomson & Taylor (Brooklands) Ltd. thanking him for a drawing of an Alfa Crankshaft centre. | 18th Jan 1934 | Box 124 \ 5 scan0129 | |
| Calculating the critical speed for an Alfa-Romeo crankshaft from a drawing provided by Thomson & Taylors. | 19th Jan 1934 | Box 124 \ 5 scan0130 | |
| Blueprint diagram of an Alfa-Romeo crankshaft centre. | 19th Jan 1934 | Box 124 \ 5 scan0131 | |
| Financial losses of Alfa Romeo and the withdrawal of MG from motor racing. | 24th Jul 1935 | Box 124 \ 5 scan0132 | |
| Request to manufacture gears for an Alfa-Romeo racing car for a Flight Lieutenant. | 15th Apr 1936 | Box 124 \ 5 scan0133 | |
| The final cost of a job concerning Flt.Lieut.Staniland before deciding on charges. | 16th Apr 1936 | Box 124 \ 5 scan0134 | |
| | | | |
