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).
Replacement of a Watford EW6 magneto on engine 12-EX due to cold start issues.
| Identifier | ExFiles\Box 65\3\ scan0290 | |
| Date | 31th May 1928 | |
| To RHC.{R. H. Coverley - Production Engineer} from EFC. X7791 EFC1/T31.5.28. The Watford EW6 magneto No.105333 on 12-EX will not start the engine cold. We therefore wish to replace it with magneto No.100082 which we hand you herewith. This magneto has a continuous cam ring. EFC. | ||