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    • Hoisting Machinery

    • Mining; Mining equipment; Hoisting machinery; Tunnels; Pipes (Conduits);
    • Drumbs and wire rope on a double drumb hoist in an underground mine hoist room. Hoists were used in shafts to raise and lower, men, materials and ore. Hoists operate like elevators.
    • Mining Machinery, Dredges 3

    • Mining; Mining equipment; Dredges; Miners; Control rooms;
    • Winchroom of the Boston and Idaho Gold Dredging Company bucketline dredge located near Idaho City, Idaho in 1914. Winches were used to raise and lower the bucket ladder and the tailings stacker.

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