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 oil consumption in M.P.G. against distance for 25 HP models during 10,000-mile tests.
| Identifier | ExFiles\Box 144\3\ scan0089 | |
| Date | 14th July 1936 | |
| 25 HP 10,000 MILE TESTS OIL CONSUMPTIONS 14 7 36 LEGEND: ① 22 GY MARCH 1936 ENGLAND ② 22 GY APRIL 1936 FRANCE ③ 21 GIN AUG 1935 FRANCE ④ 21 GII NOV 1934 FRANCE AXES: Y-AXIS: OIL M.P.G. X-AXIS: DISTANCE COVERED IN MILES OTHER: 149 | ||