Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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  • Subject = W.S. Rockwell Company -- Catalogs.
  • Subject = Case hardening -- Equipment and supplies -- Catalogs.
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Automatic furnaces for annealing, hardening, tempering, etc.
Car and ball type annealing and heat treating furnaces.
Rockwell annealing, case-hardening, hardening, tempering and heat treating furnaces