Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 399
Fig. 420.—Norris SashPulley. 392 BUILDING CONSTRUCTION. necessitates a different shape for the case. The first overhead pulley (ShuUs) was patented in August, 1895, and was placed on themarket early in the same year. Overhead pulleys certainly possessadvantages over the side pulley, and their use… … Fig. 421.—Queen Overhead Pulley. the weights than the side pulley, and the wheel is not exposed,neither is there any opening to be seen. The face plate being mor-tised into the underside of the yoke, is not as conspicuous as whenset in the pulley stile, and in a window fitted with shades, can hardly
Building
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