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).
Cover note for attached documents concerning valve spring coil vibrations.
| Identifier | WestWitteringFiles\U\August1930-November1930\ Scan063 | |
| Date | 3rd September 1930 | |
| ORIGINAL To R.{Sir Henry Royce} from EFC. c. Sg.{Arthur F. Sidgreaves - MD} c. E.{Mr Elliott - Chief Engineer} Rg.{Mr Rowledge} EFC7/AM 3.9.30. X290. Please find attached copy of some notes dealing with the subject of valve spring coil vibrations and which were prepared for Mr. Bailey to his request. EFC. Copies attached. | ||