Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 409
es the 402 BUILDING CONSTRUCTION. sashes but locks them together and draws them closely to their place.The operation of the bar is as follows: By turning the Thandle, thehasp is released from the locking plate, P, on the standing leaf, andby turning the handle back the bar is revolved and the hook… … Fig. 436.—Sash Adjusters. desired to secure the standing leaf independently of the other, a flushbolt maybe used at the top and bottom, but as it is usually desirableto open both leaves of a French window when operated at all, it ismore convenient to use a single double-extension bolt or…
Building
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