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).
Record of oil consumption for a car, detailing mileage readings and quantities of oil added.
| Identifier | ExFiles\Box 144\3\ scan0171 | |
| Date | 2nd March 1937 | |
| CX.{Major Len W. Cox - Advertising Manager} RC{R. Childs}8/L/2.3.37. B 2 GA - Oil Consumption. The sump of the above car was full at the speedo reading of 22475. 22740 1 qrt. 22868 1 pt. Miles for month - 383 to 3 pints of oil - 1016 m.p.g. RC.{R. Childs}✓ | ||