Educational woodworking for home and school (1908)
Park, Joseph C. (Joseph Charles), b. 1872 · New York, The Macmillan company · leaf 100
Fig. 82.jaw; — Hand screw.b, screw jaw a, shoulderC, middle spindle; d, end spindle. … Fig. 83. — Screw clamp, a, frame; b, screw; c, washer; d, jaws. 80 EDUCATIONAL WOODWORKING malleable iron, except the screw, which is made ofwrought iron. The screw clamps range in size from 3to 10.
Woodwork (Manual training)
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