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Calumet & Hecla Smelter |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Smelting |
Pouring molten copper into ingot molds, Calumet & Hecla Mines, Calumet, MI. [Image from a stereo view card] Scanned: December 12, 2006 |
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Calumet & Hecla - Smelting |
Metal Trade, Copper Industry and Trade, Manpower, Labor, Skilled Labor, Manufacturing Process |
Pouring molten copper from 10-ton ladle. [A worker manuvers a gigantic bucket and pours the liquid copper into a vat.] Scanned: October 9, 2009 |
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Calumet & Hecla Smelting Works |
Metal Trade, Copper Industry and Trade, Manufacturing Process, Smelting |
No. 22 Casting Machine casting 225 lb. wire bars from the Calumet & Hecla Smelting Works, Hubbell, Michigan Scanned: October 9, 2009 |
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Calumet & Hecla Smelting Works |
Metal Trade, Copper Industry and Trade, Manufacturing Process, Smelting |
No. 22 Furnace making a cake mold at Calumet & Hecla Smelting Works, Hubbell, Michigan Scanned: October 9, 2009 |
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Calumet & Hecla - Smelting |
Metal Trade, Copper Industry and Trade, Smelting, Manufacturing Process |
No. 22 Casting Machine casting 225 lb wire bars and making a cake mold at same time. Scanned: October 9, 2009 |
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Calumet & Hecla - Lake Chemical Company |
Manufacturing Process, Metal Trade, Copper Industry and Trade, Manpower, Labor |
Lake Chemical Company - Calumet, Michigan. A worker fills a poisonous 50 lb. bag labled T-B-C-S 53, a commercial grade of Tribasic Copper Sulfate representing a physical and chemical combination of basic copper and copper sulfate, insoluble in water. Its metal content is more than twice the percentage available in commercial copper sulfate (blue vitriol, blue stone.) [A skull and cross bones is shown next to the poison warning] Scanned: October 13, 2009 |
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Calumet & Hecla - Lake Chemical Company |
Manufacturing Process, Metal Trade, Copper Industry and Trade, Manpower, Labor |
Lake Chemical Company - Calumet, Michigan. A worker fills a 50 lb.poisonous bag of C-O-C-S-56 which is a concentrated fungicide, insoluble in water containing 56% copper in the form of basic sulfates and chlorides. [A skull and cross bones appears on the bag.] Scanned: October 12, 2009 |
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Calumet & Hecla - Lake Chemical Company |
Manufacturing Process, Metal Trade, Copper Industry and Trade, Manpower, Labor |
Lake Chemical Company - Calumet, Michigan. A worker fills a 50 lb. bag of Copper Hydrate, a Technical grade of cupric hydroxide. Scanned: October 12, 2009 |
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Calumet & Hecla - North Flotation Plant |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Buildings |
North Flotation Plant, Lake Linden, MI [Building appears to be under construction.] Scanned: October 13, 2009 |
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Calumet & Hecla - North Flotation Plant |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Buildings |
North Flotation Plant and Sand Leaching Plant, Lake Linden, MI. [Building appears to be under construction.] Scanned: October 13, 2009 |