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).
Sending a sample High Frequency Horn (instrument no. 17579) submitted by Klaxon Ltd for testing.
| Identifier | ExFiles\Box 59\3\ Scan066 | |
| Date | 25th July 1930 | |
| X6074 .Hs.{Lord Ernest Hives - Chair} Roy{Sir Henry Royce}/Dn4/BH25.7.30. We are sending down to you a new type High Frequency Horn Submitted by Klaxon Ltd, as a sample. The number of the instrument is 17579. Perhaps you will kindly arrange to test this instrument if you are interested in same. Roy.{Sir Henry Royce} [Stamped Text] RECEIVED JUL 25 1930 HS{Lord Ernest Hives - Chair} | ||