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).
Letter from Scintilla Limited discussing the maximum amount of hand and automatic advance.
| Identifier | ExFiles\Box 50\1\ Scan230 | |
| Date | 21th March 1923 | |
| 2. Messrs. Rolls-Royce, Ltd. 21.3.23. machine will have the maximum amount of hand and automatic advance which can be allowed in this particular type. Yours faithfully, SCINTILLA LIMITED. (Contract Department) w g Butne FWS. | ||