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).
Cross-reference note pointing to another file regarding petrol and oil consumption.
| Identifier | ExFiles\Box 144\3\ scan0322 | |
| Date | 30th September 1940 | |
| 1220 See also File No 1249 (Petrol Consumption) for Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}4/SW.30.9.40 which deals at the same time with OIL CONSUMPTION. ****** | ||