Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 511
49^ ENGINEERING DRAWING. yard, and one plate 12 X f in.ches. The end-posts have the same section.The bottom chord consists of four bars 2|- X 1 inch at the shallow end of the … Fig. 1183. truss, and four bars 2|- X f of an inch at the deep end of the truss. The diago-nals are two bars 3x1 inch at deep end of truss, and two bars 3 X |- inch atshallow end of truss. The pins are all 2^ inches diameter. The trusses were de-signed and constructed by D. H. Andrews, 0. E., of…
Mechanical drawing
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