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).
Instructions for fitting two Lucas electric horns to chassis 19.G.4 and retaining the original Klaxon horn.
| Identifier | ExFiles\Box 59\3\ Scan170 | |
| Date | 13th May 1932 | |
| X6032. RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Wst. MA Hs{Lord Ernest Hives - Chair}/Wst/13.5.32. 19.G.4. Will you please arrange to fit two Lucas HF.{H. W. Frost - Coachwork Inspector}722 electric horns to the headlamp pillars on 19.G.4. in a similar way to 19-EX. The brackets will be the same as on drawing Ex.8687/8 but with the inside diameter altered to suit the headlamp pillars on 19.G.4. The horns should be wired up together to the steering column horn switch. The Klaxon horn now on this chas sis can be retained as an auxiliary and wired up to an extra push button switch which we are supplying with the horns. Hs{Lord Ernest Hives - Chair}/Wst. | ||