Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 375
Fig. 116.should he completely cooled. The waste end may now he snappedoff and the grain examined. If tlie grain is too coarse the tool .shouldIte rehardened at a lower temperature, while if the metal is too .soft,and the end hends without breaking, it .should he rehardened at ahigher temperature.… … Fig. 117. to B, Fig. ilG. The chisel is started by thinning down B with two.fullers, or over the horn of the anvil as shown at A, Fig. 117. Theend is dien drawn out and finished with a hammer or flatter in themanner illustrated at B. A cape chisel is given the same temper asa cold chisel. 66…
Mechanical engineering
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