Rudiments of the art of building : represented in five sections [...] for the use of architects, builders, draghtsmen, machinists, engineers and mechanics (1853)
Bullock, John · New York : Stringer & Townsend · leaf 66
Single flooring. whose lower edges receive the lathing and plastering of theceilings. Double floors are constructed with stout Undingjoists J a few feet apart, reaching from wall to wall, and sup ART OF BUILDING. 61 porting ceiling joists which carry the ceiling ; and bridgingjoists^ on which are… … Double flooring. In douUe-frar: d floorings the binders, instead of restingin the walls, ar j supported on girders^ as shown in fig. 43.Single flooring is, in many respects, inferior to double floor- Fig. 43.
Building
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