furnaces 23

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Cornwall Furnace

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Janney Furnace

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Tannehill Furnace

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Cottage Iron Furnace

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Kent Iron Furnace

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Red River Iron Furnace

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Beckley Furnace

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Stoking the furnace in the ...

April, 1917

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Virginia Furnace

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Henry Clay Furnace

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This huge furnace never fails

July, 1921

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Blast furnace

July, 1924

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A Copper blast furnace, Han...

1906

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Hanna furnaces of the Great...

November, 1942

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Hanna furnaces of the Great...

November, 1942

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Hanna furnaces of the Great...

November, 1942

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Large electric phosphate sm...

June, 1942

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Electric phosphate smelting...

June, 1942

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A large electric phosphate ...

June, 1942

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TVA chemical plant, electri...

June, 1942