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).
Page describing the improvement of an operating shunt coil in reducing erratic behaviour caused by voltage variations.
| Identifier | ExFiles\Box 59\1\ Scan340 | |
| Date | 28th December 1928 guessed | |
| -8- operating shunt coil) which constitutes a considerable improvement in reduction of any erratic behaviour such as is due to varying voltage of the system. EFC. | ||