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  • All fields: control rooms
(2 results)



Display: 20

    • Pierce Park Substation 2

    • electric substations; panelboards; control rooms
    • Interior view of Pierce Park Substation showing control board.
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    • 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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