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 retain two Lucas chromium-plated electric horns fitted to the London Trials Car.
| Identifier | ExFiles\Box 59\3\ Scan222 | |
| Date | 22th December 1932 | |
| WST X6032 S/W. Hs{Lord Ernest Hives - Chair}/Wst. Lucas Chromium Plated Electric Horns. Cx{Major Len W. Cox - Advertising Manager}8/KW22.12.32. Hs{Lord Ernest Hives - Chair}/Wst.6/MA20.12.32. We should like to retain the two Lucas horns sent down for approval, as they are fitted to 48-MS our London Trials Car. Cx.{Major Len W. Cox - Advertising Manager} Kwb | ||