From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Letter from Eligio Mirone listing the advantages of an automatic change speed gear.
| Identifier | ExFiles\Box 136\2\ scan0146 | |
| Date | 12th December 1939 guessed | |
| 2 Eligio Mirone Torino Via Le Chiuse, 25 bis Telefono: 11.144 includes also a full analysis of my automatic change speed gear, illustrating its advantages under the following aspects : Mechanical efficiency Easy steering Performance of the car Elasticity of the engine Pick up of motor Noiseless drive Vibrations Mean speed of the car Mean fuel consumption Simplicity Starting on gradients Starting on level ground Construction Strength Life Fitting up Adjustment Maintenance Cost and weight Space occupied Appearance Working at low efficiency of the engine Independence of other parts of the car Heating Down-hill braking Awaiting your reply, I am, Yours faithfully, [Signature] Mirone | ||