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 of ice water and air temperatures from standardised crankcase studies.
| Identifier | ExFiles\Box 5a\3\ 03-page075 | |
| Date | 26th August 1931 | |
| (3) Ice Water - Air Temperatures Series A.C. IV Standardised Crankcase Studies Tours and Slough e-st 28 miles 20.8.31 21.8.31 22.8.31 23.8.31 24.8.31 25.8.31 26.8.31 100° 95° 90° 85° 80° 75° 70° 30° 25° 20° 15° 10° 197 M.P.H. 225 M.P.H. 245 M.P.H. 256 M.P.H. 275 M.P.H. 276 M.P.H. 293 M.P.H. 299 M.P.H. | ||