Archive Search Results
Showing
81 - 100
of 107
, query time: 0.01s
81. Fine crusher
84. Flotation area
86. Drilling
Format:
Image
H. Lee Ferris is shown oiling, checking and adjusting landing chairs at #1 shaft. These landing chairs are safety devices that fall into a blocking postion under the floor of the cage when it reaches the top of the shaft. These devices are on the sides of the shaft and prevent the cage from descending into the shaft until such time as the landing chairs are released manually. Mr. Ferris is standing in the cage which has been lowered to a point...
92. New zinc dryer
Format:
Image
Quinton Sagrillo performing maintenance on the new zinc dryer. Sagrillo was a dryer operator for New Jersey Zinc.
Sagrillo served in World War I and then lived in Telluride and Denver. He and his wife Rose then managed the State Agricultural Farm Experiment Station at Avon for four years. He accepted employment with New Jersey Zinc, working there for 20 years before retiring in 1959.
95. Mucking machine
Format:
Image
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.