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).
Technical note on the risk of dynamo failure with a disconnected battery.
| Identifier | WestWitteringFiles\Q\2April1927-June1927\ 165 | |
| Date | 11th June 1927 guessed | |
| -5- Contd. (4) With the large resistance proposed, nearly negligible risk of dynamo failure if battery be disconnected either intentionally or unintentionally, because the voltage with this weak field cannot rise very much higher than the normal voltage of the system. EFC. | ||