Architectural iron and steel, and its application in the construction of buildings ... specifications of ironwork ... tables selected expressly for this work ... by Wm. H. Birkmire (1905)
Birkmire, Wm. H. (William Harvey), 1860-1924 · New York, J. Wiley · leaf 141
d up in the channels (seepin B)\ with a stationary pin joining the channels together.When the gate is folded the channels are close together on thecross-bar C, which bar then drops against the folded gate. Thegate is then swung round out of the way on the eye D whichis secured to the wall. 122… … The slots in channel are required for the rising and falling ofthe pins as the gate opens and closes. The diagonal bars inlarge gates of this pattern may be of channel or small anglebars placed back to back. BOX SLIDES. 123 191. Box Slides—are used for sliding boxed goods fromsidewalk to lower…
Building, Iron and steel
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