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Calumet & Hecla Foundry |
Metal Trade, Copper Industry and Trade, Foundries, Manpower, Labor, Skilled Labor |
Foundry Scanned: October 12, 2009 |
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Calumet & Hecla Foundry |
Metal Trade, Copper Industry and Trade, Foundries, Manpower, Labor, Skilled Labor |
Foundry [A worker gives the go ahead to lift what may be the impeller housing for a large pump.] Scanned: October 12, 2009 |
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Calumet & Hecla Foundry |
Metal Trade, Copper Industry and Trade, Foundries, Manpower, Labor, Skilled Labor |
Foundry [A worker guides what may be a pump impeller? into place.] Scanned: October 12, 2009 |
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Calumet & Hecla Foundry |
Metal Trade, Copper Industry and Trade, Foundries, Manpower, Labor, Skilled Labor |
Foundry [Two workers pose next to unknown equipment.] Scanned: October 12, 2009 |
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Calumet & Hecla Foundry |
Metal Trade, Copper Industry and Trade, Foundries, Manpower, Labor, Skilled Labor |
Foundry [Two workers pose next to unknown equipment.] Scanned: October 12, 2009 |
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Calumet & Hecla Foundry |
Metal Trade, Copper Industry and Trade, Foundries, Manpower, Labor, Skilled Labor |
Foundry [A workers poses next to what may be a boring mill?] Scanned: October 12, 2009 |
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Calumet & Hecla Foundry |
Metal Trade, Copper Industry and Trade, Foundries, Street Cleaning, Snow Removal |
Foundry [Photo of a Houghton County Road Commission Truck No. 233?] 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 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 |