Gilman, Colorado Archive Search Results
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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.
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Moving transformers into place at Gilman. The power plant was located near Hwy 24 and was on the southeast edge of Gilman, above the town.
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Power station upgrade at Gilman. New "arms" can be seen for transformer placement.
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Moving new transformers into place at Gilman, using a combination of crane lifting and human placement.
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Power company employees supervising the installation of transformers at Gilman.
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Attaching transformers to a concrete pad at Gilman.
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Guiding transformers into place at the Gilman Power Plant.
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Blocking a transformer into place at Gilman at the power plant.
49. 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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Staff meeting at the Gilman office of New Jersey Zinc Company. Left to right, Harold Steinmeyer, Gordon Craig (Mill Superintendent), Frank Maloit, Bill Jude, Bob Radabaugh, Dick Sayers
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The town of Gilman showing the main shaft down into the mine in the left center of the picture. Mining timbers are stacked in the yard to the immediate right of the main shaft. Highway 24 is on the far left going toward Red Cliff.
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The rod and ball mill. The rod mill is on the left and ball mill on the right. These were used to grind the zinc concentrates for additional chemical processing. Prior to this, the material had chemical agents added to allow the zinc mineral surface to adhere to flotation bubbles. These were some of the steps for making the zinc ready to ship in railroad cars.
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The town of Gilman circa 1953. The majority of the population lived in company housing and paid rent to the New Jersey Zinc Company. The company was responsible for maintenance on the homes and had carpenters, etc., working on staff for the upkeep of these properties. [related to neg. 2012.006.076]
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Part of the zinc dryer system at the mill in Gilman. The dryer was heated by a firebox under the rotating cylinder. Tumbling action of the dryer coupled with full length fins dried the zinc for loading into rail cars.
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Emmet Flaherty preparing to pre-heat two blank pieces of hollow drill steel. In the background is an automatic oil-fired forge which will bring these blanks to an exact temperature for forging. From the hollow drill blanks, finished pieces of lugged steel are formed for use in rock drills.