American Blacksmithing, toolsmiths' and steelworkers' manual . Fig. 65. The granite hammer. Granite Cutters Mash Hammer. When making a granite cutters mash hammer, usegood steel of 75 point carbon, and 1% inches forging, do not put in a large oval eye as otherhammers, but instead punch a small round eye notexceeding % of an inch in diameter, which is aboutthe right size. The ends of a mash hammer are beveleddown from the eye on the top and sides, the bottomside is left perfectly flat. The face at each end isalso on a bevel, which should be dressed a little full inthe center and the
American Blacksmithing, toolsmiths' and steelworkers' manual . Fig. 65. The granite hammer. Granite Cutters Mash Hammer. When making a granite cutters mash hammer, usegood steel of 75 point carbon, and 1% inches forging, do not put in a large oval eye as otherhammers, but instead punch a small round eye notexceeding % of an inch in diameter, which is aboutthe right size. The ends of a mash hammer are beveleddown from the eye on the top and sides, the bottomside is left perfectly flat. The face at each end isalso on a bevel, which should be dressed a little full inthe center and the corners left very rounding. Hardenboth ends as mentioned in making hammers in anotherchapter of this book, but after proper hardening itis not necessary to draw any temper as there are nosharp corners to break off. Pig. 66 illustrates the cor-rect shape of a mash hammer. 128 THE TWENTIETH CENTURY The Granite Tool Sharpeners Hammer and Anvil Stake. When sharpening granite tools^ the toolsmith shoulduse a bevel face hammer and anvil stake, as Figures. Fig. 66. Granite cutters mash hammer.
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