Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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  • Date = 1920
  • Subject = Case hardening -- Equipment and supplies -- Catalogs.
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Car and ball type annealing and heat treating furnaces.
Car and ball type annealing and heat treating furnaces.
Metallurgical furnaces -- Catalogs., Metals -- Heat treatment -- Equipment and supplies -- Catalogs., Annealing of metals -- Equipment and supplies -- Catalogs., Case hardening -- Equipment and supplies -- Catalogs., Foundries -- Equipment and supplies -- Catalogs., W.S. Rockwell Company -- Catalogs., Trade catalogs. lcgft