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).
Telegram regarding Eagle engine compression ratios and friction anchorage.
| Identifier | WestWitteringFiles\C\February1919\ Scan18 | |
| Date | 25th February 1919 | |
| R.R. 144A (24 B.) (SA. 408. 19.3.15) E.P. 8247. ROLLS-ROYCE, Limited. TELEGRAM RECEIVED BY TELEPHONE Time Received By Date 3 from To RECEIVED 25 FEB 1919 Stop do not think it is necessary to go below four and four point three for can compression ratios stop re eagle friction anchorage F M THIS SHEET MUST BE FILED. | ||