pring catch, E, as shown. the latter, and allows the principal cylinder to exhaust on one does this in a peculiar manner, claimed to possess important When so locked, it is impossible for the wedge piece to be side of its piston, and fill on the other, thus rendering the advantages over that… … to displace nearly all the water at each stroke of the piston, Two ears, C, are formed on the wedge piece to adapt it to are shown; and in connection with Fig. 3, which is a plan of thus insuring uniformity of action throughout the stroke, use on either right or left hand doors, the valve seat, the…
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