Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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  • Contributing Institution = Carnegie Library of Pittsburgh
  • Subject = Metallurgical furnaces -- Catalogs.
  • Date = 1915
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United States Assay Office at New York
United States Assay Office at New York
Metallurgical furnaces -- Catalogs., Metals -- Heating -- Equipment and supplies -- Catalogs., Precious metals -- Refining -- Equipment and supplies -- Catalogs., Cupels -- Catalogs., United States. Assay Office, New York City., Foundries -- Equipment and supplies -- Catalogs., W.S. Rockwell Company -- Catalogs.