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).
Page detailing remarks on the operational silence of a magneto and a tangential force measurement.
| Identifier | ExFiles\Box 65\3\ scan0168 | |
| Date | 18th January 1928 guessed | |
| -6- Contd. (16) Remarks re silence of operation :- Quiet magneto with the exception of the contact breaker which is fairly noisy. (17) Tangential force :- 1.0 lbs weight. EFC. | ||