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).
Blueprint detailing alterations to a pressure velocity damper for low and high-pressure systems.
| Identifier | WestWitteringFiles\S\June1928-August1928\ Scan029 | |
| Date | 18th June 1928 | |
| ALTERATIONS TO PRESSURE VELOCITY DAMPER LOW PRESSURE RESTRICTION .212 .100 d D THREE RESTRICTIONS - d = .125" D = .750" ONE PASSAGE COMPLETELY BLOCKED UP HIGH PRESSURE RESTRICTION 'C' .600 .150 'C' 'E' .218 DIA EIGHT RESTRICTIONS:- 'C' E = .200" ...LIMITED ...DOM, 18 JUN 1928 DERBY. | ||