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 GUL 1, including mileage readings and oil top-ups.
| Identifier | ExFiles\Box 144\3\ scan0202 | |
| Date | 4th May 1937 | |
| CX.{Major Len W. Cox - Advertising Manager} RC{R. Childs}1/L/4.5.37. Re: GUL 1 - Oil Consumption. _ _ _ _ _ _ _ _ _ _ The sump of the above car was full at the speedo reading of 16032. 16317 1 qrt. 16840 1 pt. 16961 1 qrt. 17258 1 pt. 17763 1 qrt. Miles for month - 1731 to 1 gallon of oil. RC.{R. Childs}✓ [Stamp] POST. Received 5 MAY 1937 | ||