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).
Request for blueprints and an order for a pair of 'Phantom III' Wind Tone Horns for testing.
| Identifier | ExFiles\Box 59\3\ Scan357 | |
| Date | 24th October 1935 | |
| R.H.G. (crossed out) C.E. (crossed out) c. Hs{Lord Ernest Hives - Chair}/Wst. WST rbdd6 BY/RD4/W.24.10.35. "Phantom III". Wind Tone Horns. LeC.4718. Please receive herewith blue prints of :- D.75405. Wind Tone Horn, with special bracket to the above LeC. Will you please order one pair for test purposes. BY/RD. | ||