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).
Diagram illustrating the clutch and pedal adjustments with numbered components.
| Identifier | ExFiles\Box 125\2\ scan0088 | |
| Date | 9th February 1931 guessed | |
| 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Fig. 10—Clutch and Pedal Adjustments | ||