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).
Graph illustrating the movement of a pointer and stylus, plotting the graduation of a dial against running time in seconds.
Identifier | ExFiles\Box 113\2\ scan0163 | |
Date | 11th November 1930 guessed | |
Acceleration and Braking Recorder. "J.T." Graduation of dial. Distance travelled per second from zero. Maintained position from last measurement of road travelled. Duration one second Movement of pointer and stylus. Running time in seconds. Fig. 1 | ||