Ore industry
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The cyanide injecting machine inside the mill at Gilman. Cyanide was used to clean the ore for processing. A pressure gauge is seen at the top of the injectors.
22) Rebuilt mine car
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O.A. McClain and Roy Long standing beside a completely rebuilt mine car at the Gilman Mine. An "eye" is seen with chains attached at the bottom of the cart. The eye was used to hook the mine cars together in a series of small trains for hauling ore.
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Flotation area for the zinc ore. Water valves are shown at the bottom of the table.
25) Flotation area
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Floation area for the zinc ore at Gilman. Flotation tables were used to seperate the zinc and lead from the waste in the mining process. Further processing separated the lead and the zinc.
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Flotation stations in the zinc section of the mill at Gilman. The flotation stations were part of the process of refining the zinc ore.
27) Mucking machine
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A compressed air-driven mucking machine at Gilman. The bucket has just been dumped into the ore car behind and is preparing to recover and pick up another load of ore.
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Moving the zinc dryer from a railroad car into the dryer building at Belden. A wall section approximately 60 feet long has been removed in the dryer building to move this equipment
into the facility.
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Section of the zinc dryer being fitted into place at Belden. Chains and blocks are used to move the equipment into the building.
