Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 504
Fig.1154. Fig. 1155. 488 ENGINEERING DRAWING. the queen-post being supported on a post, or itself extending to the base, witha short tie-rod framed into it from the plate. Figs. 1156 and 1157 are representations of the feet of rafters on an enlargedscale. In Fig. 1156 the end of the rafter does not…
Mechanical drawing
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