Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 505
the foot of the rafter is called a crow-foot. In Fig. 1157 the rafter itself projects beyond the plate to form the cov-ing. Fig. 1158 represents a front and side elevation and plan of the foot ofa main rafter, showing the form of tenon, in this case double ; a bolt, passingthrough the rafter and…
Mechanical drawing
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