American Blacksmithing, toolsmiths' and steelworkers' manual . it must be remem-bered that if during the process you ever get it over ared heat there is no use to proceed, but just cut offthat much and start again, no hardening will prevailif it is burnt. The trouble begins when you put thesteel into the fire, and you must watch until you haveit finished. When ready to harden heat it to a cherryred heat, cool in water not too cold, brighten andwatch for temper. When it is yellow, cool it off, butnot entirely, take it out of the water before it is quite J 48 MODERN BLACKSMITHING cold and let it
American Blacksmithing, toolsmiths' and steelworkers' manual . it must be remem-bered that if during the process you ever get it over ared heat there is no use to proceed, but just cut offthat much and start again, no hardening will prevailif it is burnt. The trouble begins when you put thesteel into the fire, and you must watch until you haveit finished. When ready to harden heat it to a cherryred heat, cool in water not too cold, brighten andwatch for temper. When it is yellow, cool it off, butnot entirely, take it out of the water before it is quite J 48 MODERN BLACKSMITHING cold and let it cool slowly, this will make the drill bothhard and tough. By this simple process I have beenable to dress drills and get such a good temper thanonly two per cent would break. Another way toharden is to heat to a very low heat and cool it offentirely at once. A third way is to temper as firststated and when yellow set the drill in water only onehalf an inch deep and let it cool. By this process agood per cent will break just at the water line. A CHAPTER III. HOW TO STRIKE AND TURN THE IRON-RULES FOR SMITH AND HELPER |HE smith should never turn the ironon the helpers blow, he should turnon his own blow, that is, never turnthe iron so that the helpers blow willhit it first because he is not preparedfor it and cannot strike with confi-dence, but the smith will not bebothered by turning the iron for himself as he knowswhen he turns and is prepared for it. The smithshould strike the first blow in starting-, or signal thehelper where to strike, in case the smith cannot strikethe first blow. The smith calls the helper by threeblows on the anvil with his hammer, and when thesmith wants the helper to cease striking he taps withthe hammer twice on the anvil. The helper shouldstrike the bow he has started when the smith signalshim to stop. The helper should watch the time of thesmiths hammer; if fast, keep time with it, if slow,keep time with it. The helper should strike wherethe smith st
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