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 letter concerning a covering order for material and a squeak characteristic.
| Identifier | ExFiles\Box 141\1\ scan0280 | |
| Date | 23th April 1937 guessed | |
| -2- I will instruct the Order Office to send you a covering order for the above material marked 'not to be charged for'. We have fairly well-tied up the-first-thing-in-the-morning squeak with a falling μ with speed increase characteristic. Yours truly, | ||