Handy man's workshop and laboratory . HANDY MANS WORKSHOP AND LABORATORY 105 mit of its being drilled for screw holes. Run a twist drill throughthe hole with the raised lip, to make it of a standard size, andsmooth the interior. After drilling, file the edges of the lip untilquite sharp, screw the plate down to a suitable block of hardwood, and bore through it with the same twist drill. The plateis then complete. A mallet must be used for driving the dowelsthrough the plate, so as not to injure the cutting edges.—25 THE TURNING OF A BALL How to turn a truewooden ball is apt to puz-zle the amat
Handy man's workshop and laboratory . HANDY MANS WORKSHOP AND LABORATORY 105 mit of its being drilled for screw holes. Run a twist drill throughthe hole with the raised lip, to make it of a standard size, andsmooth the interior. After drilling, file the edges of the lip untilquite sharp, screw the plate down to a suitable block of hardwood, and bore through it with the same twist drill. The plateis then complete. A mallet must be used for driving the dowelsthrough the plate, so as not to injure the cutting edges.—25 THE TURNING OF A BALL How to turn a truewooden ball is apt to puz-zle the amateur; but this,like most other mechani-cal methods, is very sim-ple after you know , all balls for whichthere is sufficient demandare now turned by auto-matic machinery, muchmore cheaply than theycould be turned by hand;but the job is a pleasing Fig. 125-The roughly turned ball.
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Keywords: ., book, bookcentury1900, bookdecade1910, booksubjectworkshoprecipes
