Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 138
by160. When the four angles of the crossing are formed by solid walls10 feet long or more from the angle the walls will have sufficientstability to resist any thrust that can come upon them from thediagonals, and in such cases four braced valley beams may be used,abutting against each other at the… … I3C BUILDING CONSTRUCTION.
Building
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