King, Charles A. (Charles Albert), b. 1865 · New York, Cincinnati [etc.] American book compay · leaf 110
drivers are useful in many places whereit is difficult to use two hands, and there are patentquick-action screwdrivers on the market which are suitableonly for certain kinds of light .work, as what is gained inspeed is lost in power. The screwdriver bit is a shortscrewdriver blade, tanged to fit a… … Fig. 71.Compasses. Fig. 72.Calipers. 53. Compasses, or dividers (Fig. 71), are used to drawcircles and curves, and for sjmcing and scribing, by which ismeant the process of fittinga piece of wood to an unevensurface. Calipers (Fig. 72)are used to measure the out-side of a round or ovalobject. Those…
Woodwork (Manual training)
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