Experimental starter motor main and auxiliary switch with finer gauge windings for its coils.
| Identifier | ExFiles\Box 168a\2\ img016 | |
| Date | 13th September 1930 | |
| Y6622 RHC. {R. H. Coverley - Production Engineer} from EFC. {E. Fowler Clarke - Electrical Engineer} c. hs {Lord Ernest Hives - Chair} /AJL. EPCS/AD13.9.30. X.6033. STARTER MOTOR MAIN & AUXILIARY SWITCH WITH ONE GAUGE FINER WINDINGS OF BOTH MAIN & AUXILIARY SWITCH COILS. We hand you herewith our experimental starter main and auxiliary switch fitted with finer gauge windings, for instance :- In the case of the main coil 21 SWG. in place of 20 SWG. D.S.C. and " " " " auxiliary coil 27 SWG. in place of 26 SWG. D.C.C. Will you please arrange to have this switch fitted to either 19-EX or 20-EX and the standard switch removed therefrom handed to us. EFC. {E. Fowler Clarke - Electrical Engineer} HEW. | ||
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).