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).
Continuation page of a memo detailing the movement of a lever based on oil pressure.
| Identifier | ExFiles\Box 71\4\ scan0138 | |
| Date | 16th April 1925 guessed | |
| contd :- -2- As soon as the oil pressure reaches 20 lbs. per sq. in. the lever E!72518 moves through 2°, hence the 2° indicated at 10 m.p.h. Es/Rm.{William Robotham - Chief Engineer} | ||