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).
Oil consumption for car GWN 2, including mileage, oil added, and miles per gallon calculation.
| Identifier | ExFiles\Box 144\3\ scan0255 | |
| Date | 3rd September 1937 | |
| S/W Rm{William Robotham - Chief Engineer} MTtS 1220. CX{Major Len W. Cox - Advertising Manager} RECEIVED SEP 6 1937 RC{R. Childs}4/L/3.9.37 Re: GWN 2 - Oil, Consumption. The sump of the above car was full at the speedo reading of 28446. 6392 1 pt. 6971 1 qrt. 7438 1 pt. POST... 1937 Received Miles for month - 1301 to 2 quarts of oil - 2602 m.p.g. RC.{R. Childs}✓ | ||