Graph plotting oil, water, and air temperatures against mileage during a 10,000-mile road test in France.
| Identifier | ExFiles\Box 11\5\ 05-page108 | |
| Date | 20th April 1934 | |
| 28-EX. Readings every 25 miles 10,000 miles test in France 357 miles 48 T.M.P.H 15 MPG 10 MPG OIL AND WATER TEMPS. 7 1/4 M.P.G. AIR TEMP 20.4.34 MORK. Parkinson 9637 miles | ||
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).