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).
Hand-drawn graph charting Oil, Water, and Air temperatures against time and average speed.
| Identifier | ExFiles\Box 1\4\ B001_X 100a-page296 | |
| Date | 18th November 1932 | |
| 2. PER. II (2) OIL, WATER AND AIR TEMPS. EVERY 26 MILES °C OIL WATER AIR 18.11.32 19.11.32 22 + 25.11.32 26.11.32 27 + 28.11.32 48.3 M.P.H 41.7 M.P.H 48 M.P.H 38.2 M.P.H 42.2 M.P.H 44 M.P.H | ||