Graph of a non-detonating power curve on Redline fuel, showing M.E.P. and ignition advance vs R.P.M.
| Identifier | ExFiles\Box 134\1\ scan0120 | |
| Date | 23th December 1938 guessed | |
| CURVE C. NON DETONATING POWER CURVE (B) ON REDLINE FUEL. M.E.P. R.P.M. IGN. ADV. ° BTDC IGN. ① ② ③ | ||
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).