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).
Request to obtain specific gauges of copper wire for a starter main and auxiliary switch unit.
| Identifier | ExFiles\Box 168a\2\ img020 | |
| Date | 23th December 1930 | |
| X6033 Roy.{Sir Henry Royce} from EPC. EPCI/AD23.12.30. X.6033. STARTER MAIN AND AUXILIARY SWITCH UNIT WITH FINER GAUGE WINDING. In connection with the above will you please obtain for us 1 lb. 21 S.W.G. D.S.C. H.C. Copper wire. 1/2 lb. 27 S.W.G. D.C.C. " EPC. | ||