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 for vehicle GWN 8.
| Identifier | ExFiles\Box 144\3\ scan0225 | |
| Date | 1st July 1937 | |
| 1220 RC{R. Childs}5/L/1.7.37. Re: GWN 8 - Oil Consumption. The sump of the above car was full at the speedo reading of 1656. 2366 1 qrt. 2464 1 qrt. Miles for month - 808 to 2 quarts of oil - 1616 mpg. RC.{R. Childs} ✓ POST. Received JUL 1 1937 | ||