Educational woodworking for home and school (1908)
Park, Joseph C. (Joseph Charles), b. 1872 · New York, The Macmillan company · leaf 97
OODWORKING 49. Brace, or Bit Brace. — The brace is a tool madeto hold an auger bit or other boring tool and is used indriving those tools. It has a steel frame which is eitherpolished or nickel-plated. The head (6) is usually ball-bearing that it may turn easily when pressure is broughtagainst it.… … Fig. 77.— Brace, a, crank; &,head; c, handle; d, sleeve; e, jaws;d and e (together), chuck. driven. To insert a bit, grasp the sleeve firmly with theleft hand, turn the handle backward until the jaws openenough to receive the tang of the bit, then turn thehandle forward until the sleeve draws…
Woodwork (Manual training)
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