Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 471
es, and to whose periphery is fixed the 408 ELEVATORS. .A™ ,, * fastened at its lower end to the joint-head q of the piston-rod r. The piston P moves up andSSS^tto^Shd r sH-hich is aboutJ !0 feet hik 2 iJ in the diameter, and open below. Thet i iue a , ^ At tne s je 0f tiie cylinder is the… … is hollow, to peitnit the escape of the condensed air (after it has pressed down the piston to the eirtremity of the cylinder) through the aperture cc. As soon as the valve w is moved out of its position,as shown in Fig. 1327, downwards, (which is effected by the combined contrivance of the bar a ,…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
