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).
Fitting a tested Watford EW6 magneto to vehicle 15-EX for a 10,000-mile test.
| Identifier | ExFiles\Box 65\3\ scan0170 | |
| Date | 19th January 1928 | |
| To RHC.{R. H. Coverley - Production Engineer} from EFC. c. HS{Lord Ernest Hives - Chair}/AJL. X7791 EFC1/T19.1.28. Herewith we hand to you Watford EW6 magneto No.100081 which we have now tested. This should be fitted to 15-EX for the 10,000 mile test, in place of the EO6 magneto. EFC. | ||