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 67
BRIDCINC .JOIST Fig. 47. FLOOR BOABD^-_ … PJLASTERINa a a, bridging joists ; b b, ceiling: joists ; c, girder 106. Fire-proof floors are usually constructed with irongirders a short distance apart, which serve as abutments fora series of brick arches, on which either a wooden or plasterfloor may be laid (see fig. 48). ART OF BUILDING.Fig,…
Building
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