San Francisco : Architect and Engineer, Inc · leaf 196
application betweenstuds, joists or rafters. Its weight is one andone-half pounds per cubic foot. It will not sup-port combustion. Tests shows its thermal trans-mission value to be .26 B.t.u. per inch thick,per square foot, per degree F., per hour. The same properties that make this mate-rial… … EXTERIOR, WINDOW IN INDUSTRIAL PLANT LABORATORY. USINGGLASS BLOCKS AS FILLERS FOR WINDOW OPENINGS
Architecture · Building
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