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).
Page 2 of a memo discussing modifications for noise reduction.
| Identifier | ExFiles\Box 19\1\ Scan135 | |
| Date | 3rd November 1931 guessed | |
| -2- Unless such modifications are in the direction of reducing the noise referred to above, it would appear fairly useless to pursue them. Do you propose to put this point of view to R.{Sir Henry Royce} at once ? Sg.{Arthur F. Sidgreaves - MD} | ||