Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 52
Fig. 150.—Shrinkage of Moulding. open mitre as shown, although the work-manship may be first rate. Fig. 151 showsthe best arrangement, the annual rings beingat right angles to the breadth. Cutting Strongest Beam from RoundLog. By mathematical investigation Fig. 152shows the graphic method of… … Fig. 151.—Best Arrangement of Grain inMouldings. out of a round log of timber. The diameteris divided into three equal parts, and per-pendiculars are raised on opposite sides onthe inner ends of the outer divisions. Thefour points in which the circumference istouched are then joined to give the…
Carpentry · Joinery
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