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Learning metalworking, metalcraft. Metal trade education. Hobbysmith. THE BLACKSMITH SHOP: How to Harden, Soften and Stetch Steel. Chapter XXV, ch.25, Hardening and Tempering, Soften, stretch, steel, annealing or softening of steel, ALL steels that are worked under hammers and heated to andy degree when finished should be annealed., forge, unequal strains, slack lime, wood ash |
Working in Metals by Charles C. Sleffel