Architectural iron and steel, and its application in the construction of buildings ... specifications of ironwork ... tables selected expressly for this work ... by Wm. H. Birkmire (1905)
Birkmire, Wm. H. (William Harvey), 1860-1924 · New York, J. Wiley · leaf 154
ructed as follows: Brackets should be not les? than £ X if-inch wrought iron, BRACKETS ON NEW BUILDINGS. 135 placed edgewise, or if-inch angle iron \ inch thick, well braced,and not more than 3 feet apart, and the braces to brackets notless than f-inch square wrought iron, and should extend… … walls are being built. When brackets are to be put on oldhouses, the part going through the wall should be not less than 136 ARCHITECTURAL IRON AND STEEL. one inch diameter, with screw nuts and washers not less than 5 inches square and \ inch thick. 2040 Top Rails.—The top rail of balcony must be…
Building, Iron and steel
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