The oil consumption for car B 39 JY for the month of October, detailing top-ups and mileage.
| Identifier | ExFiles\Box 144\3\ scan0285 | |
| Date | 2nd December 1937 | |
| Re: B 39 JY - Oil Consumption for October. - - - - - - - - - - - The sump of the above car was full at the speedo reading of 9674. 9930 1 qrt. 10229 1 pt. 10351 1 pt. Car decarbonised during 10552 1 pt. this period. 10962 1 qrt. 11075 1 pt. Miles for month - 1401 to 1 gallon of oil. 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).