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).
The advantages of using a stronger spring for contact points.
| Identifier | WestWitteringFiles\Q\2April1927-June1927\ 18 | |
| Date | 14th June 1927 guessed | |
| -3- Contd. Though the stronger spring gives some slight advantage, the primary object of the stronger spring is not the avoidance of bouncing but the possibility of improving the running condition of the contact points. EFC. | ||