High school manual training course in woodwork, including cost of equipment and supplies and studies on trees and wood (1905)
Ritchey, Samuel Edward, 1866- · New York, American Book Company · leaf 67
points equally distant from corner of square: 2 ins.—2 ins.; 3 in,s.—3 ins. (Fig. 111). To Set Bevel to 30° and 60° In any right-angled triangle, if the hypotenuse istwice the length of the short side, the angles adjacent tothe hypotenuse will be measured by arcs of 30° and 60°(Fig. 112). CARPENTRY…
Woodwork (Manual training) · Cabinetwork
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