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 184
touch the semi-circular curve atits extremities, the right angle or corner will touchthe arc at every point (Fig. 333). A core-box plane (Fig. 334) is constructed on thissame principle, that if the sides of a right angle lie uponthe extremities of a diameter of a circle, the vertex ofthe right… … To use the core-box plane, first mark off the blockas shown (Fig. 335), connecting the two semi-circulararcs at either end by straight lines. Tack two very
Woodwork (Manual training) · Cabinetwork
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