Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 68
ll nave ascended a triilint»space when the piston is at its highest This Blight space, though trifling in amount, is important in itsre-ults on the working of the engine. It is denominated the h ad of the slide As the piston desthe valve rises, and the admitting orifice becomes larger, so that… … The slide, however, has already begun its downward motion, and when the pencil arrises at C it hasreturned into the position it had in Fig. I. It is clear that as it continues to descend nocan be admitted; whatever the cylinder contains will remain pent up; and as the piston continues tomove…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
