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 a water-cooled single-cylinder engine having 50% more horsepower than an air-cooled one.
| Identifier | ExFiles\Box 173\1\ img271 | |
| Date | 12th February 1934 guessed | |
| ROLLS-ROYCE LTD. S.N.T. (43656-10-6-33) 2-9720 S. TELEGRAM RECEIVED BY TELEPHONE. Time Received: Date: To: By: from: water cooled single cylinder fifty per cent more h.p. than Hives aircooled testing Delivered Saturday next V FROM: Robotham THIS SHEET MUST BE FILED. | ||