Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 236
nd pump in the gate housecompresses air which is transmitted to pistons atthe gate bar posts by double pipes so that thebars are raised or closed by the air valves in thegate house. The air pump is located in the gate house , -b;..;irga»5«jiii^sa3j^S*««^ 880c. RAILROAD CROSSING GATE.—A lever in the… … S8od. RAILWAY PNEU-MATIC SIGNAL.—An aircylinder near the rail is operat-ed by the wheels passing overthe lever A, pressing it againstthe cam S, on a rocking shaftB, lifting the plate C, and theconnected piston. Elevationand plan. 880^. A SELF REGIS-TERING TIDE GAUGE.—S is the float in the tide…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
