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).
Inquiring about the status of two Lucas magnetos returned for upgrading.
| Identifier | ExFiles\Box 40\2\ Scan223 | |
| Date | 23th August 1927 | |
| V8793 To Roy.{Sir Henry Royce} from EFC. EFC4/T23.8.27. LUCAS MAGNETOS. We should like to know the present position of the two Lucas magnetos Nos.51 and 54B recently returned for bringing up-to-date equally with No.53, which we have at present on an experimental car. EFC. | ||