Record of oil consumption for car 3-AZ-38, showing mileage and oil added.
| Identifier | ExFiles\Box 144\3\ scan0251 | |
| Date | 6th September 1937 | |
| S/W {Sales / Derby Works} , Rm {William Robotham - Chief Engineer} 1220. M TITS RC {R. Childs} 5/L/6.9.37 CX {Major Len W. Cox - Advertising Manager} RECEIVED Re: 3-AZ-38 - Oil Consumption. - - - - - - - - - - - - - - The sump of the above car was full at the speedo reading of 28446. 29089 3½ pts. 29381 1 qrt. 29451 2 qrts. 29843 1 qrt. 29864 3 pts. 30290 1 qrt. Miles for month - 1844 to 2 galls & ½ pint of oil - 896 m.p.g. RC. {R. Childs} | ||
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).