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).
Requesting an opinion on a 'Bosch' horn to establish a standard for the vibrator instrument.
| Identifier | ExFiles\Box 59\3\ Scan100 | |
| Date | 17th December 1930 | |
| X6031 Sg.{Arthur F. Sidgreaves - MD} c. Wor.{Arthur Wormald - General Works Manager} Hs{Lord Ernest Hives - Chair}/Rml/ME.17.12.30 HORNS. We have as yet no record of your opinion on the 'Bosch' horn which we let you have. Should you approve of this horn, we should like to know, because it at once gives us the standard to aim at with the vibrator instrument.. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||