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).
Notes on operational silence and the tangential force required to advance a cam lever.
| Identifier | ExFiles\Box 40\2\ Scan200 | |
| Date | 7th October 1938 | |
| -6- L (16) Remarks re silence of operation :- Very quiet at low speeds. Contact breaker operates very quietly. (17) Tangential force to advance cam lever:- 1.25 lbs wt. EFC. [Faint mirrored stamp text] 7 OCT 1938 DERBY MODEL ROOM | ||