Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 338
n and one-half feet long were spaced five feetapart, center to center, and supported by blocking at theirextremities. Between these two beams were set three five-inch I-beams, with their tops two inches below the flange ofthe twelve-inch beams. The vault light slab rested on thisframework, but was… … Fig. 13. TEST BY CONCEN-TRATED LOADOf 11,882 lbs. applied on disc8* inches in diameter Conllnued on Next Page AMERICAN LUXFER PEISM COMPANY 268 PRISM LIGHTS, ETC. COSTRUCTION. LOAD TEST. IMPACT TEST. ^^JUJUO^ The series of circular lenses twoand three-quarters inches in diameteris placed in…
Building materials
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