Notice regarding an insulated switch on the steering column for the 7CA model.
| Identifier | ExFiles\Box 31\2\ Scan042 | |
| Date | 14th August 1919 guessed | |
| Extract.-EFC {E. Fowler Clarke - Electrical Engineer} 1/MP51016. X.1413.-INSULATED SWITCH ON STEERING COLUMN. The above is at present fitted to 7CA. | ||
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).