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).
Page mentioning riding on a 40/50-HP Chassis.
| Identifier | ExFiles\Box 69\2\ scan0255 | |
| Date | 16th December 1924 guessed | |
| -3- riding on an exceptionally good 40/50-H.P. Chassis. Memo Attached. Cx.{Major Len W. Cox - Advertising Manager} fuvl | ||