The blacksmith's guide : valuable instructions on forging, welding, hardening, tempering, casehardening, annealing, coloring, brazing, and general blacksmithing (1907)
Sallows, J. F. (James Francis), 1865- · Brattleboro, Vt. : The Technical Press · leaf 151
THE BLACKSMITH’S GUIDE 138 through the joint, remove the work from the furnace, as it injures the work to overheat it. If pieces are to be machined in any way, they should, on removing from the furnace, be put in lime, which leaves them softer than when left to cool off in the air. … Fig. 4. Pieces to be Brazed. It is a wrong practice to keep cooling off the spoon in applying the spelter. Let the spoon remain hot and use it in guiding the course of the spelter around the part to be brazed. By cooling the spoon and dipping into the spelter while wet, the blast from the burner…
Blacksmithing
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