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 2, including mileage readings and oil added.
| Identifier | ExFiles\Box 144\3\ scan0215 | |
| Date | 2nd June 1937 | |
| CX.{Major Len W. Cox - Advertising Manager} Re: GWN 2 - Oil Consumption. The sump of the above car was full at the speedo reading of 178. 1407 1 qrt. 1760 1 pt. 2157 1 qrt. Miles for month - 1979 to 2 quarts, 1 pint - 3168 m.p.g. CX{Major Len W. Cox - Advertising Manager} RC{R. Childs}3/L/2.6.37.JUN RECEIVED POST JUN Received RC.{R. Childs}✓ | ||