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).
Fitting of a Robert Bosch Horn, Type U.K.12, to a 20 HP chassis.
| Identifier | ExFiles\Box 59\3\ Scan061 | |
| Date | 1st July 1929 | |
| Hs.{Lord Ernest Hives - Chair} from EFC. c. Sales. X.6031. EFC3/ADL.7.29. X.6031 ROBERT BOSCH HORN. TYPE U.K.12. We attach copy of report A.D.36 in connection with the above horn, which horn has recently been fitted to 20 H.P. chassis 16-G4. EFC. | ||