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).
History of two Lucas magnetos.
| Identifier | ExFiles\Box 40\2\ Scan216 | |
| Date | 28th June 1927 | |
| To ROY.{Sir Henry Royce} from EFC. X8793 EFC1/T28.6.27. RE LUCAS MAGNETOS. Further to our EFC1/T24.6.27, herewith please receive certain information concerning the history of these two magnetos in our hands. EFC. | ||