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).
Confirming the suitability of a Lucas Horn Button push switch.
| Identifier | ExFiles\Box 59\3\ Scan129 | |
| Date | 28th August 1931 | |
| X6032 Roy{Sir Henry Royce}/AW. from Hs{Lord Ernest Hives - Chair}/HEW. Hs{Lord Ernest Hives - Chair}/HEW4/AD28.8.31. LUCAS HORN BUTTON. With reference to your Roy{Sir Henry Royce}/AW9/IN27.8.31, the horn push switch No.16 on the illustrated sheet will be most suitable for our requirements. Hs{Lord Ernest Hives - Chair}/HEW. Correspondence returned herewith. | ||