Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 583
but often of cast-iron. In all the walls, centrallybetween walls and columns, and between columns, girders are framed on whichthe beams rest and to which they are usually fastened. 566 ARCHITECTURAL CONSTRUCTION. Under the head of Engineering Drawing foundations are shown with thebases of these… … Fig. 1359. fire, commonly by brick—common, hollow, or porous, and of thickness not lessthan 4. The floors are usually flat arches of hollow brick (Fig. 1348) in whichthe skew-back extends below the flanges of beams and girders to sustain theplaster protection. Besides the flat arches of hollow…
Mechanical drawing
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