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 enamelled copper wire for winding experimental ignition coil secondary windings.
| Identifier | ExFiles\Box 63\1\ scan0235 | |
| Date | 22th September 1931 | |
| X3035. Roy.{Sir Henry Royce} from Hs{Lord Ernest Hives - Chair}/Wst. Hs{Lord Ernest Hives - Chair}/Wst.1/AD22.9.31. Will you please order from the West Insulating Co.Ltd. 6 lbs. of 44 SWG. enamelled copper wire for the purpose of winding experimental ignition coil secondary windings of a finer gauge than standard. Hs{Lord Ernest Hives - Chair}/Wst. | ||