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).
Suggestion for using a glass disc to indicate the correct filling height for a matrix.
| Identifier | ExFiles\Box 24\4\ Scan135 | |
| Date | 2nd August 1924 guessed | |
| contd:- -2- up to say about 1" above the matrix. I suggest a disc of glass or some other means to shew or suggest the correct height to fill. R.{Sir Henry Royce} | ||