A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 383
or dip in the middle of its span. In the second story of a building the beams are notchedover the interties, or girts, in the same manner as over thesill, and in balloon frames, where the girt may be but aninch in thickness, the floorbeams are cut on the under side,forming a channel, or groove,… … Fig. .30. placing small pieces of slate under the shallower beams, andthus raising them to the proper level. Thin slips of woodare sometimes nsed instead of slate, but as they are seldommade of a luiiform thickness, and squeeze readily underpressure, they are not to be recommended. The method…
Architecture · Building
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