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).
The oil consumption of car 3 CP 10, tracking mileage and oil additions.
| Identifier | ExFiles\Box 144\3\ scan0287 | |
| Date | 3rd December 1937 | |
| 1200 Cx{Major Len W. Cox - Advertising Manager} Ex. RC{R. Childs}5/L/3.12.37. RECEIVED Re: 3 CP 10 - Oil Consumption. - - - - - - - - - The sump of the above car was full at the speedo reading of 1134. 1221 1 qrt. 1627 1 qrt. 1946 1 qrt. 2437 1 qrt. 2655 1 qrt. 3907 1 qrt. POST DEC Miles for month - 2773 to 1 1/2 gallons of oil - 1848 m.p.g. RC.{R. Childs}✓ | ||