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).
Testing of Watford EW6 magnetos fitted with continuous cam rings.
| Identifier | ExFiles\Box 65\3\ scan0261 | |
| Date | 24th April 1928 | |
| To Mx.{John H Maddocks - Chief Proving Officer} from EFC. X7791 EFC3/T24.4.28. WATFORD EW6 MAGNETOS. As referred to in our EFC2/T24.4.28, we are handing you herewith two machines, Nos. 100096 and 100097 which are two of four returned to us fitted with continuous cam rings. We should be pleased to have your report on these machines as early as possible because our decision as to whether these continuous cam rings should be used as standard rests on this. EFC. | ||