Browse Subjects

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Calumet and Hecla

Manufacturing Process, Mills and Millwork, Buildings, Isle Royale Mill [Interior view of the mill.]

Scanned: January 6, 2010


Calumet and Hecla

Manufacturing Process, Mills and Millwork, Buildings, Isle Royale Mill

Scanned: January 6, 2010


Calumet and Hecla Electrolytic Plant

Metal Trade, Copper Industry and Trade, Buildings, Manufacturing Process Electrolytic Plant [Interior view of plant showing workers and a sign stating 7 1/2 Ton Morgan Crane - The Morgan Engineering Co. Alliance. O.]

Scanned: January 7, 2010


Old C & H Mills

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings Old C & H mills. [Expansive view of milling operations and surrounding buildings.]

Scanned: January 20, 2010


Old C & H Mills

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings Old C & H mills. [View of milling operations and surrounding buildings.]

Scanned: January 20, 2010


Old C & H Mills

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings Old C & H mills. [View of milling operations and surrounding buildings.]

Scanned: January 20, 2010


Calumet & Hecla Stamp Mills

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Manufacturing Process, Mills and Millwork Calumet & Hecla stamp mills, boilers, automatic stokers. [Image looks down a runway between two banks of machinery in a C&H stamp mill.]

Scanned: September 10, 2014


Photographs of the Calumet and Hecla Mines

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Manufacturing Process, Mills and Millwork Calumet and Hecla Stamp Mills Boilers Automatic Stokers. [Interior view of the mill showing several boilers.

Scanned: November 4, 2009


Photographs of the Calumet and Hecla Mines

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Manufacturing Process, Mills and Millwork Calumet and Hecla Stamp Mills. Power House Switch board. [A man checks the controls on an enormous switch board.]

Scanned: November 4, 2009


Photographs of the Calumet and Hecla Mines

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Manufacturing Process, Mills and Millwork Calumet and Hecla Stamp Mills. Power Plant. Steam Turbine. [Interior view of the plant showing the equipment.]

Scanned: November 4, 2009