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 test figures for a 25 HP Vauxhall.
| Identifier | ExFiles\Box 127\4\ scan0051 | |
| Date | 9th June 1937 | |
| To Rm.{William Robotham - Chief Engineer} c. to Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews} 1097 Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies}12/JH.1/9.6.37. 25 H.P. Vauxhall Oil Consumption. Herewith oil consumption figures taken after a mileage of 2,000 for future reference. Test. Mileage 200 Oil added ½ pt. Consumption 3,200 m.p.g. Av. speed 41.3 m/per hr. Air temp. 16°C. Rm{William Robotham - Chief Engineer}/F.Dodd. | ||