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 75
a post; 6 sill;o c struts. Fig. 60. … the introduction of clerestorywindows over the nave arches.The flat roofs, which supersededthe former ones, were oftenformed without any truss what-ever, being simply an arrange-ment of main beams, purlins,and rafters, precisely similar toa double-framed floor, with the ART OF BUILDING. 11 Fig, 61,…
Building
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