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).
Performance and weight data for a 25.HP. Vauxhall.
| Identifier | ExFiles\Box 127\4\ scan0035 | |
| Date | 4th May 1937 | |
| 1097 4.5.37 25.HP. VAUXHALL. Time up Ticknall 57.8 Sec. WEIGHT Ton. Cwt. Qrs. Lbs. Front wheels................... 0 14 0 14 Rear Wheels.................... 0 16 0 7 Total.......................... 1 10 0 21 | ||