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).
Graph plotting temperatures taken on a 6-cylinder Falcon engine test with an 8/1 compression ratio.
| Identifier | ExFiles\Box 179b\3\ img324 | |
| Date | 8th February 1933 guessed | |
| POSN OF COUPLE IN BEARING TEMPERATURES TAKEN ON 6 CYL. FALCON TEST CRANKCASE IN STILL AIR. 8/1 COMPN RATIO. TEMP °C OIL DISCHARGE THROU | ||