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).
Continuation page discussing the relationship between two phenomena and coil efficiency.
| Identifier | WestWitteringFiles\D\May1920\ Scan22 | |
| Date | 8th May 1920 | |
| Contd. -2- EFC1/T8.5.20. We anticipated that these two phenomena would occur at the same time as the general efficiency of the coil was improved. EFC. | ||