ware- and the curtain lowered with the upper sash, which A vertically swinging gate, which can be readily houses, or any place where freights are handled on can be conveniently supported at any desired height. raised and lowered from a convenient point on the road- inclines, is illustrated… … ond lever projecting through a slot in the side of the SWINGING GATE. base. If the device is to be tripped automatically, an angular arm is connected to this lever to project down- pivoted hangers. A toothed segmental bar is secured ward over the side of the vessel, thearm having a longi- by Capt.…
Internet Archive · Public domain (published before 1931). Free to use for anything.
