Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 272
Fig. 5S MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. 255 Fig. 541 is a ha7iger-ho\t; the lag-screw part is screwed into the woodenbeam, the hanger then put over the bolt, and the nut put on.
Mechanical drawing
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