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 figures for October for specific Trials Cars.
| Identifier | ExFiles\Box 144\3\ scan0275 | |
| Date | 4th November 1937 | |
| Matthews 1220 S/W. Rm.{William Robotham - Chief Engineer} Oil Consumption. Cx{Major Len W. Cox - Advertising Manager}7/KW4.11.37. I attach hereto the figures for October in respect of the undermentioned Trials Cars :- GAN-54 3-CP30 3-AZ-38 Encs. RC{R. Childs}8/L/3.11.37 RC{R. Childs}9/L3.11.37 RCIO/L/3.11.37 Cx.{Major Len W. Cox - Advertising Manager} dueb | ||