Training in wood-work, designed for use in manual training and technical school; consisting of three parts: carpentry, wood-turning and pattern work (1902)
Tate, James M. (James Murray), b. 1852 · Minneapolis, Minn., School Education Co · leaf 32
Fig. 41. A beginner is very liable to make the surface warped orwinding, and, his eye being untrained in the work, he finds ithard to decide when the surface is correct. In order toprove a surface use the steel square as a straight edge. Placeit parallel with edge of the work, to decide when work… … Fig. 42. The parallel rules or two steel squares may be used to provethe surface in the manner shown in Fig. 43. When placed inthis position, look across the top o.f the rules lengthwise withthe work, and if the top lines of the rules appear parallel thereis no warp in the surface. To prove it by…
Woodwork (Manual training)
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