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).
Title page for a section on magnetos.
| Identifier | ExFiles\Box 46\3\ Scan257 | |
| Date | 4th January 1922 guessed | |
| MAGNETOS _______... | ||