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).
Schematic diagram of an automatic boost-pressure regulator system.
| Identifier | WestWitteringFiles\S\September1928-October1928\ Scan140 | |
| Date | 8th October 1928 | |
| AUTOMATIC BOOST-PRESSURE REGULATOR. SUPERCHARGER PRESSURE DEPRESSION ISOLATING TAP. VALVE. CAM WORKING AS THROTTLE-STOP PILOT'S HAND THROTTLE USUAL FRICTION DEVICE 8/10/28. | ||