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).
The suspected depreciation of magnetism in Watford magnetos.
| Identifier | ExFiles\Box 48\2\ Scan375 | |
| Date | 28th April 1928 | |
| X8796 To Mx. {John H Maddocks - Chief Proving Officer} from EFC. {E. Fowler Clarke - Electrical Engineer} c. Roy. {Sir Henry Royce} c. Ev. {Ivan Evernden - coachwork} EFC {E. Fowler Clarke - Electrical Engineer} 3/T28.4.28. WATFORD MAGNETOS TYPES EC6, EW6 and ROL. We suspect that Watford magnetos are subject to some depreciation of magnetism after delivery to us and initial test. We should like to have your views on this matter. EFC. {E. Fowler Clarke - Electrical Engineer} | ||