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).
Notes on road tests detailing weight, speed, and fuel consumption for two cars.
| Identifier | ExFiles\Box 147\5\ scan0004 | |
| Date | 13th December 1907 | |
| Consumption 3800. (2300) x459 Test on Mr Duncan's car 581 inst total weight 40 cwt. by EP.{G. Eric Platford - Chief Quality Engineer} 17 m per hr. 10/12/07 (after repairs - report 13/12/07) also. by L. Allen & Holland (driver of. car) 41 cwt. over cat & fiddle 10 to 18 m per gal. 11/12/07 EP{G. Eric Platford - Chief Quality Engineer} 13/12/07 | ||