Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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  • Date = 1912
  • Subject = Metals -- Heat treatment -- Equipment and supplies -- Catalogs.
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Rockwell rotary, annealing and hardening furnaces
Rockwell rotary, annealing and hardening furnaces
Metals -- Heat treatment -- Equipment and supplies -- Catalogs., Metals -- Heating -- Equipment and supplies -- Catalogs., Foundries -- Equipment and supplies -- Catalogs., W.S. Rockwell Company -- Catalogs.