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).
Sketch of an operating device for a reserve fuel valve, employing a sylphon tube and a protective cover.
| Identifier | WestWitteringFiles\E\August1920\ Scan42 | |
| Date | 19th August 1920 | |
| E/G19/8/20 X.3888a PROTECTIVE COVER WHICH MUST BE REMOVED (IN A SIMILAR WAY TO A TYRE VALVE COVER) TO OPERATE THE VALVE. THIS COVER PREVENTS THE ACCIDENTAL DEPRESSION OF THE OPERATING HANDLE BY LUGGAGE ETC. WHICH WOULD CAUSE LEAKAGE OR DAMAGE TO NEEDLE ACCORDING TO WHETHER THE VALVE WAS OPEN OR SHUT. SKETCH OF OPERATING DEVICE FOR RESERVE FUEL VALVE ALTERNATIVE TO THE DESIGN EMPLOYING SYLPHON TUBE | ||