Gilman, Colorado
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Frank Jones using one of the lathes to cut centers on the shaft of a bucket elevator tail pulley used in the Milling Department.
82) 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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Belden as seen from Gilman. On the left are the loading tippel, steam room and dryer. Loading tippel is extended over the railroad cars to be filled with ore. A surface tram carrying ore ready for loading is visible behind the loading tippel.
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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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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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Joel Fitzgerald, shop foreman, boring a bearing for an electric motor which operates Marcy Mill in the Milling Department.
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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.
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Bill Burnett squares up a frame prior to welding it at the Gilman mine. "C" clamps hold the frame in place. A welder's mask and ball peen hammer are to Bill's right. Suction vent hanging at far right.
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Drills and lathes in the repair area. Welders and machinists were employed by New Jersey Zinc to maintain and recycle equipment. During the 1950s, there were three shifts working each day to maintain production levels.
