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 a car's oil consumption over a month, including mileage and top-up details.
| Identifier | ExFiles\Box 144\3\ scan0158 | |
| Date | 1st February 1937 | |
| CX{Major Len W. Cox - Advertising Manager} 1220 [STAMP: 2 FEB 1937 RECEIVED] RC{R. Childs}6/L/1.2.37. B 3 GA - Oil Consumption. The sump of the above car was full at the speedo reading of 28134. 28566 . 1 qrt. 28626 1 qrt. 28942 1 qrt. 29363 1 qrt. - oil changed and one quart added. 29660 2 qrts. Miles for month - 1526 to 1 1/2 galls of oil - 1016 m.p.g. Consumption for previous month - 980 m.p.g. RC.{R. Childs} ✓ [STAMP: RECEIVED] | ||