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 report for car GUL 1, detailing oil added at various mileage readings.
| Identifier | ExFiles\Box 144\3\ scan0192 | |
| Date | 2nd April 1937 | |
| CX.{Major Len W. Cox - Advertising Manager} RC{R. Childs}11/L/2.4.37. GUL 1 - Oil Consumption. - - - - - - - - - - - The sump of the above car was full at the speedo reading of 14655. 15022 3 qts. 15074 1 pt. 15415 1 qrt. 16032 2 qrts. Miles for month - 1377 to 1 gall. 2 qrts. 1 pt. of oil - 848 m.p.g. RC.{R. Childs} ✓ [Post Stamp Text] POST 5 APR 1937 Received | ||