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 two of a typed document regarding castellated nuts.
| Identifier | ExFiles\Box 129\1\ scan0081 | |
| Date | 15th December 1936 guessed | |
| -2- (5) Castellated nuts to enable us to set the fingers at our works. Yours fiathfully, FOR ROLLS-ROYCE LTD. | ||