Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 129
BUILDIXG CONSTRUCTION. … Fig. 156 also by spikes toe-nailed into the princi-pals. If the roof area to be supportedis much greater than that shown, hang-ers should be used for supporting thepurlins, and the size of the truss timbersand rods may need to be increased. Theceiling joists should be supported at theircentre by…
Building
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