. The 20th century toolsmith and steelworker; a complete, practical, and scientific book. Fig. 103o Illustratiilg kind of fuller used, when dressing claw bars. bent chisel point as Fig. 102, which is used sometimesto loosen the spikes before pulling. There are alsomany different shapes of claw bars, but the one illus-trated is the principal one used, and they are alldressed after the same method or principle. CHAPTER XII. Miscellaneous tools—Case hardening. The Bricklayers Set. A bricklayers set has a very wide cutting edge,while the shank or handle is % octagon or square, tomake one, take a w
. The 20th century toolsmith and steelworker; a complete, practical, and scientific book. Fig. 103o Illustratiilg kind of fuller used, when dressing claw bars. bent chisel point as Fig. 102, which is used sometimesto loosen the spikes before pulling. There are alsomany different shapes of claw bars, but the one illus-trated is the principal one used, and they are alldressed after the same method or principle. CHAPTER XII. Miscellaneous tools—Case hardening. The Bricklayers Set. A bricklayers set has a very wide cutting edge,while the shank or handle is % octagon or square, tomake one, take a wide piece of flat steel fuller in, thendraw out the handle, after which the cutting edge isforged. But in case a piece of steel, as just men-tioned, cannot be had, the only way to forge the cut-ting edge (which should be about 3 inches wide) is by (Q. Fig. 104. The bricklayers set. upsetting a piece of octagon or square steel as the casemay be, then flatten out until wide enough. To puton the cutting edge file only from one side, the otherside being left perfectly square and flat. Harden as any similar flat tool and draw the temperto a dark blue. All tools for cutting brick should betempered to a light blue. 174 TOOLSMITH AND STEELWORKER 175 How to Harden and Temper Wire Nippers or Pliers. Heat the jaws back a little past the cutting blades, asindicated by dotted line a, Fig. 105, to a very evencherry red, then dip into the hardening bath to dottedline b above the rivet. Noav polish the upper side
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