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).
Postscript regarding a telephone call to Firths about holding a Silico Manganese steel order.
| Identifier | ExFiles\Box 13\2\ 02-page062 | |
| Date | 17th March 1930 guessed | |
| - 2 - P.S. As I was telephoning Firths to see if they had got 2% Case hardening nickel steel, I warned them in regard to the Silico Manganese asking them to hold it if they had not rolled. | ||