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).
Continued description of humps on one revolution of a camshaft, referring to original sketches.
| Identifier | Morton\M22\ img211 | |
| Date | 6th October 1922 guessed | |
| 69 CONTD:- -2- humps on one revolution of the camshaft. This is illustrated below :- See original for sketches. E.{Mr Elliott - Chief Engineer} | ||