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).
Modification to the spring for the Damper Control Release Valve.
| Identifier | ExFiles\Box 151\2\ scan0220 | |
| Date | 16th March 1934 | |
| X4698 To BY. {R.W. Bailey - Chief Engineer} from HDY. {William Hardy} c. Copy by Ms. Dev. Wks. HDY. {William Hardy} 1/HP.16.3.34. Damper Control Release Valve. N. Sch.4019 herewith shows a modification to the spring for this valve to give better lateral control of the spring than is obtained with N. Sch.3969. HDY. {William Hardy} | ||