Graphical log from a 10,000-mile road test in France, tracking temperatures, speed, and fuel consumption.
| Identifier | ExFiles\Box 11\5\ 05-page109 | |
| Date | 13th April 1934 | |
| 28.EX. Readings every 25 miles 10,000 miles Test in France 316 miles 45.14 mph. 321 miles 43.2 mph. 326 miles 43.9 mph. 328 miles 43.5 mph. 70 miles 40 M.P.H 383 miles 43.4 MPH OIL AND WATER TEMPS AIR TEMP. 10.79 M.P.G. 10.38 M.P.G. 8.06 m.p.g. SHUTTERS FULLY OPEN Column 1: 13.4.34. MORN Roberts Column 2: 13.4.34. AFT Pattinson Column 3: MORN. 14.4.34. Roberts. Column 4: AFT. 14.4.34. Pattinson Column 5: MORN 15.4.34 Pattinson Column 6: AFT. 15.4.34. Roberts. 6471 miles 7120 miles 7523 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).