Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 78
THE SLIDE-VALVE. Si just opening the ste<am-port to admission of steam. This portopening is the lead. Fig. 53 shows the slide-valve at the end of its stroke. It doesnot necessarily open the steam-port fully for admission, but it … Fig. 51.
Steam-engines
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
