Industry
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The suspension railroad drop bucket was one of several vehicles used to deliver raw material to the iron furnace trunnel head. To produce pig iron, the cold blast furnace was charged 100 times a day with 640 pounds of iron ore, 18 bushels of charcoal, one bushel of brands and 100 pounds of limestone flux. The materials were added in alternating layers from stock piles in the bridge house adjoining the furnace trunnel head.
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