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Calumet and Hecla Drill Shop

Metal Trade, Copper Industry and Trade, Manufacturing Process, Manpower, Labor Calumet and Hecla Drill Shop [Interior view showing a worker standing next to an enormous wheel like piece of equipment.]

Scanned: January 18, 2010


Calumet and Hecla

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Manpower, Labor Jigs, Screens and Tables, Calumet-Hecla Mills, Lake Linden, Mich. [Two men are pictured in the maze of posts and pillars - one is a worker the other wears a suit.]

Scanned: December 15, 2009


Calumet and Hecla

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Manpower, Labor Separating pure copper by means of electric current. Calumet-Hecla Electrolytic Plant, Lake Linden, Mich. [An impressive operation showing some of the workers.]

Scanned: December 15, 2009


Calumet and Hecla

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Manpower, Labor Cathode plates, 99.9 pure copper, leaving electrolytic plant for smelter, Calumet-Hecla mill, Lake Linden, Mich. [Several railroad flat cars are loaded with the plates ready for shipment. A man holding a cigar looks on.]

Scanned: December 15, 2009


Tamarack Mill

Metal Trade, Copper Industry and Trade, Manufacturing Process, Mills and Millwork, Manpower, Labor Tamarack Mill - Slime Tables [Workers on the slime tables. Slime are small particles of rock and minerals held in a solution of water. Slime is worked on a circular revolving table and the minute particles of mineral are saved.]

Scanned: May 18, 2009


Dollar Bay - Wire Mill

Metal Trade, Copper Industry and Trade, Manufacturing Process, Manpower, Labor Dollar Bay - Wire Mill [Interior view of the wire mill showing workers and a man dressed in a suit wearing a bowler hat. Carts and benches display reels of wire.]

Scanned: May 21, 2009


Dollar Bay - Wire Mill

Metal Trade, Copper Industry and Trade, Manufacturing Process, Manpower, Labor Dollar Bay - Wire Mill [Interior view of mill showing men working with spools of wire.]

Scanned: May 20, 2009


Dollar Bay - Plate Mill

Metal Trade, Copper Industry and Trade, Manufacturing Process, Manpower, Labor Dollar Bay - Plate Mill [Interior view showing workers using machinery in making copper plates.]

Scanned: May 20, 2009


Tamarack Mill

Metal Trade, Copper Industry and Trade, Manufacturing Process, Mills and Millwork, Manpower, Labor Tamarack Mill - Picking silver from copper. [Workers sit on wooden barrels in order to accomplish their task, as most of them appear to be children.]

Scanned: May 18, 2009


Calumet and Hecla

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Manpower, Labor Sand leaching plant where copper is removed from sand by ammonia process. Calumet & Hecla mills, Lake Linden, MI.

Scanned: December 15, 2009