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).
The decision to persevere with Wind Tone Horns despite existing issues.
| Identifier | ExFiles\Box 166\9\ img079 | |
| Date | 14th April 1937 | |
| WST 6066 S/W To Rm{William Robotham - Chief Engineer}/Wst. from Sg.{Arthur F. Sidgreaves - MD} re Wind Tone Horns. Sg{Arthur F. Sidgreaves - MD}37/E14.4.37 Copy to Hs.{Lord Ernest Hives - Chair}Cx.{Major Len W. Cox - Advertising Manager}Hn.{F. C. Honeyman - Retail orders}B. EY.Da.{Bernard Day - Chassis Design}Mx.{John H Maddocks - Chief Proving Officer}Hd.{Mr Hayward/Mr Huddy}Br.Kv. Referring to Rm{William Robotham - Chief Engineer}/Wst.5/AP.5.4.37 you will now have seen reports from Hd.{Mr Hayward/Mr Huddy} and Br.. In view of those it does not seem necessary to make any change in the type of horn. We must, however, persevere in getting over any existing troubles with these horns. Sg.{Arthur F. Sidgreaves - MD} | ||