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Calumet & Hecla - Wolverine Tube Division

Metal Trade, Copper Industry and Trade, Manufacturing Process, Manpower, Labor, Skilled Labor Machine Shop - This department comes under the supervision of the Engineering Department and is responsible for the maintenance of our equipment. Many of the tools used in the Manufacturing Department are also made here. In this department we find tool makers, welders, electricians, plumbers, carpenters, etc.

Scanned: October 9, 2009


Calumet & Hecla - Wolverine Tube Division

Metal Trade, Copper Industry and Trade, Manufacturing Process, Manpower, Labor, Skilled Labor Box Shop where the packing cases, crates and boxes used in shipment of our products are made. Over a period of time, standard specifications for packing have been developed, and when the mill orders which govern processing are written, notification goes to the Box Shop and crates are scheduled so that they will be available at the time the job is ready to ship.

Scanned: October 12, 2009


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