Instruction to send the latest type Bosch buzzer horn, model UK.12A.
| Identifier | ExFiles\Box 59\3\ Scan105 | |
| Date | 1st January 1931 | |
| X6031. Sg. {Arthur F. Sidgreaves - MD} from EFC. {E. Fowler Clarke - Electrical Engineer} Sg {Arthur F. Sidgreaves - MD} 5/AD7.1.31. X.6031. BOSCH BUZZER TYPE HORN. As requested in your Sgl/E6.1.31 we are instructing to be sent to you the latest type Bosch horn UK.12A. EFC. {E. Fowler Clarke - Electrical Engineer} | ||
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).