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).
Order for 2 spare diaphragms for standard Klaxon horns.
| Identifier | ExFiles\Box 63\1\ scan0019 | |
| Date | 17th August 1919 | |
| To Mr. Mills O.O. from EH. X.3035 EHL/LG16.8.19. 17th. Aug. 1919. Will you please order 2 spare Diaphragms for the standard Klaxon Horns we are using on the Cars. We require these to replace damaged ones on Experimental Cars. EH. | ||