Educational woodworking for home and school (1908)
Park, Joseph C. (Joseph Charles), b. 1872 · New York, The Macmillan company · leaf 101
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. … Screw and crank. Fig. 84. — Adjustable steel bar clamp. 56. Adjustable Steel Bar Clamp. — The adjustablesteel bar clamps are used in clamping wide surfaces to-gether, such as doors, shelves,etc. They aremade in differ-ent sizes to openfrom 2 J feet to10 feet. If atany time a partof the clampbreaks,…
Woodwork (Manual training)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
