Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 30
Fig. 10.—Queen Truss. Fig. 11. Fig. 14, and as long as the loads remain equal the frame will bestable; but should one load become greater than the other theheavier load would push the frame over, as shown by the dottedlines. … As in actual roof construction a part of the load, such as the snowand wind, is variable, one side of the roof often being loaded whenthe other is not, a truss of the shape shown in Fig. 14 cannot beused. To adapt this type of truss to the actual conditions of roof 8 Q
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