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 page discussing duplication against short-circuited contact breaker or condenser failure.
| Identifier | WestWitteringFiles\N\2October1925-December1925\ Scan120 | |
| Date | 3rd November 1925 | |
| EFC4/T3.11.25. -4- Contd. N.B. Apparently it would not provide duplication against short circuited contact breaker or condenser failure, except by the opening of the corresponding switch. Therefore, although the system has some advantages of duplication, it certainly has not the complete advantages of duplication of two entirely separate systems. EFC. | ||