Woodwork for the grades for use in manual training classes (1912)
Selden, Frank Henry · Valley City, N.D., The Maudslay press · leaf 110
and in its proper order you will soon bore holesquite as well as theordinary mechan-ic , though you maynot work as rap-idly. First examinethe bit and learnthe purpose ofeach part. The square upper end, or tange, fits into the bit brace, and theround part or shank, gives length- so that deep holes… … Fig. 137—Bit-brace
Woodwork (Manual training)
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