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 of test results including circuit tests, RPM test, measurements, and handwritten notes on timing advance and retard.
| Identifier | ExFiles\Box 49\5\ Scan221 | |
| Date | 10th December 1920 guessed | |
| -4- Contd. (10) Short circuit test :- O.K. (11) Open circuit test :- O.K. (12) Test at 1500 R.P.M. O.K. (13) (a) 8.5 m {Mr Moon / Mr Moore} /m (b) 8.5 m {Mr Moon / Mr Moore} /m (c) 8.0 m {Mr Moon / Mr Moore} /m (d) 7.0 m {Mr Moon / Mr Moore} /m (14). Our advance the same as maker's. Our retard 1° earlier than maker's. | ||