Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 399
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 … Fig. 422.—Queen Mullion Frame Pulleys. be seen at all. Overhead pulleys cost no more than side pulleys ofthe same grade. The only serious objection that has been offered tothe Shull pulley, is that more than the usual head-room above thetop of the frame is required. This has been overcome in the…
Building
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