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).
Replying to a query about Magnetos X430, referencing a paper by Watson.
| Identifier | ExFiles\Box 4\5\ 05-page185 | |
| Date | 23th April 1921 | |
| X 430 To EPC. from E.{Mr Elliott - Chief Engineer} E4/G23/4/21. X.430 RE MAGNETOS X430. In reply to your memo EFC12/T19/4/21, I understand that the paper referred to is one by Watson, which was read at a meeting of the Institute of Electrical Engineers about a week ago. I have no other information at the moment. FC RECEIVED | ||