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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


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


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


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


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


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


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


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


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


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