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).
The oil consumption for car 3 CP 10, detailing mileage, oil top-ups, and loan period.
| Identifier | ExFiles\Box 144\3\ scan0292 | |
| Date | 4th January 1938 | |
| CX.{Major Len W. Cox - Advertising Manager} 1220 POST JAN 6 1933 Rec'd RC{R. Childs}2/L/4.1.38. Re: 3 CP 10 - Oil Consumption. The sump of the above car was full at the speedo reading of 3907. 4759 Mr. Summers added 5564 1 qrt. 2 qrts. 1 qrt. Car on loan to Mr. Summers during this period. Engine filled with Arctic oil on the 23rd (of this month.) Miles for month - 1657 to 1 gallon of oil. RC{R. Childs} ✔ | ||