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).
Trial of a Buzzer Type Bosch horn, noting a difference from a newer model.
| Identifier | ExFiles\Box 59\3\ Scan104 | |
| Date | 1st January 1931 | |
| X. 6031 S/W [crossed out] EFC To EFC from Sg.{Arthur F. Sidgreaves - MD} re Buzzer Type Horns. Sgl/E6.1.E1 Copy to Wor.{Arthur Wormald - General Works Manager} I am in receipt of EFC1/AD2.1.31 and note there is a difference between the latest type Bosch horn UK.12A and the one sent to me for trial. If you will send up the latest type addressed to me, I will arrange to have it fitted to a car and tried. Sg.{Arthur F. Sidgreaves - MD} [Stamp: RECEIVED SH JAN 1931] | ||