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).
Comparison of maximum and minimum magneto readings for two machines at 108 volts A.C.
| Identifier | WestWitteringFiles\L\2April1924-June1924\ Scan72 | |
| Date | 15th May 1924 | |
| Contd. -3- EFC8/T15.5.24. winding at 108 volts A.C. 50~ were as follows :- Magneto. Maximum. Minimum. 1st. machine. 16.6 10.9 2nd. " 18.3 9.9 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ the second machine apparently having stronger magnetism. EFC. | ||