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).
Referring to a vibration mentioned in an attached report and a previous communication.
| Identifier | ExFiles\Box 108\2\ scan0057 | |
| Date | 23th March 1938 | |
| 600 - Sg.{Arthur F. Sidgreaves - MD} from Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}6/R.23.3.38. With reference to the attached report, this is the vibration mentioned in your Sg{Arthur F. Sidgreaves - MD}3/E.4.3.38. Rm.{William Robotham - Chief Engineer} | ||