Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 600
lailK-^:^^^^^^^ Fig. 141.5. Fig. 1416. is set in a bracket from the face of the string, as in Fig. 1415; or the balustersmay be cast with the bracket. Fig. 1414 is the side elevation of a stairs with wronght-iron string and rail.The string is made of wrought-iron knees, wielded together… … Fig. 1417. a flat bottom-bar riveted across the lower angle of the knees, usually snpportedby an intermediate round bar-post. Where posts can not be put in, it is better 584 ARCHITECTURAL CONSTRUCTION. that the bottom bar should be a carriage or beam of I or channel-iron, withknees or cast-ij-on…
Mechanical drawing
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