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).
List of petrol and oil used in vehicle 4-B-50 from 9th March to 26th May.
| Identifier | ExFiles\Box 111\4\ scan0218 | |
| Date | 29th August 1941 | |
| Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} Clan Fdry. Hs{Lord Ernest Hives - Chair}/Dd.10/JT29.8.41. Transport Dept.406. 800a Herewith list of Petrol and Oils used in 4-B-50 from 9th March to 26th May. DATE. PETROL. OIL. DATE. PETROL. OIL. 10.3.41. 11 galls. - 16.4.41. 11 galls. 1/4 galls. 11.3.41. 18 " - 17.4.41. 13 " - 12.3.41. 14 " - 19.4.41. 11 " - 13.3.41. 13 " - 20.4.41. 22 " - 17.3.41. 10 " - 25.4.41. 8 " - 18.3.41. 7 " 1/4 gall. 26.4.41. 8 " - 20.3.41. 26 " - 29.4.41. 14 " 1/8 " 21.3.41. 18 " 1/4 " 2.5.41. 10 " - 22.3.41. 9 " - 5.5.41. 9 " 1/8 " 24.3.41. 1/2 " 6.5.41. 16 " - 25.3.41. 16 " - 7.5.41. 15 " 3/8 " 27.3.41. 17 " - 11.5.41. 11 " 1/8 " 29.3.41. 9 " - 13.5.41. 12 " - 30.3.41. 6 " - 14.5.41. 10 " - 1.4.41. 9 " - 17.5.41. 9 " - 3.4.41. 7 " - 19.5.41. 8 " - 5.4.41. 10 " - 20.5.41. 7 " - 9.4.41. 7 " - 21.5.41. 11 " 1/2 " 10.4.41. 7 " - 23.5.41. 8 " - 11.4.41. 13 " - 12.4.41. 4 " - Hs{Lord Ernest Hives - Chair}/Dd. | ||