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 3-AZ-38, tracking mileage and oil top-ups over a month.
| Identifier | ExFiles\Box 144\3\ scan0244 | |
| Date | 5th August 1937 | |
| CX.{Major Len W. Cox - Advertising Manager} 3-AZ-38 - Oil Consumption. - - - - - - - - - - - RC{R. Childs}2/L/5.8.37. The sump of the above car was full at the speedo reading of 25829. 26007 1 qrt. 26520 1 qrt. 27162 3 1/2 pts. 27521 2 qrts. 27581 2 qrts. 28148 3 1/2 pts. 28446 7 pts. Miles for month - 2617 to 3 galls. 1 quart of oil - 805.2 m.p.g. RC.{R. Childs}✓ [Stamp text: Received AUG] | ||