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).
Record of oil consumption for car 3-AZ-22, listing additions at various mileages.
| Identifier | ExFiles\Box 144\3\ scan0176 | |
| Date | 5th March 1937 | |
| CX.{Major Len W. Cox - Advertising Manager} RC{R. Childs}3/L/5.3.37. 3-AZ-22 - Oil Consumption. - - - - - - - - - - - The sump of the above car was full at the speedo reading of 12092. 12349 1 qrt. 12693 1 qrt. 12926 3 pts. 13371 1 qrt. 13812 1 qrt. Miles for month - 1720 to 1 gall 1 qrt 1 pt. - 1248 m.p.g. RC.{R. Childs}✓ [Stamp: Rec...] | ||