Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 397
a good pulley are that the wheel shall be ofsufficient size, have a durable and smooth running axle with broadbearings and that the pulley shall have a neat appearance. The common stock sizes of sash pulleys are if, 2, 2^, 2\ and 3inches, the size referring to the diameter of the wheel. The… … Fig. 419.—Ordinary AxlePulley. FINISHED HARDWARE—WINDOW TRIMMINGS. 391 glass, but for larger or heavier sashes, larger sizes should be used,principally for the purpose of throwing the sash cord further into thepocket so as to prevent the sash weight from striking the back of thepulley stile. One…
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