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 a Bosch horn to car 25-EX due to the unavailability of an English substitute for the American market.
| Identifier | ExFiles\Box 64\3\ scan0303 | |
| Date | 2nd August 1930 | |
| AJL Please order XJ 550 Bosch Horn for 25EX HS{Lord Ernest Hives - Chair} To Hs.{Lord Ernest Hives - Chair} from Sg.{Arthur F. Sidgreaves - MD} Sg{Arthur F. Sidgreaves - MD}1/D2.8.30. Re: Horns. Here is a copy of what Oy. says. It seems that the best thing to do is to fit 25-EX. with a genuine Bosch horn because we cannot wait for an English substitute to be found so far as America is concerned. Sg.{Arthur F. Sidgreaves - MD} Att: Copy of Oy's memo. of 1.8.30. | ||