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 order a 1-lb reel of copper wire for an auto charge control switch.
| Identifier | ExFiles\Box 59\1\ Scan356 | |
| Date | 28th October 1929 | |
| X.6046 Roy.{Sir Henry Royce} from EFC. EFC2/AD28.10.29. X6046 AUTO CHARGE CONTROL SWITCH. In the above connection will you please order a 1-lb reel of No.28 SWG. D.S.C. Copper wire. EFC. | ||