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Subject Conveying machinery Remove constraint Subject: Conveying machinery

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    • 1949

    Two views of the vertical retort and wood loading conveyor at the Cliffs Dow wood sawmill and distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the…

    • 1949

    General view of three unidentified employees poling and transferring logs from a hot pond to the washer and sawmill conveyor at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Invented around…

    • 1949

    General view of the vertical retort and wood loading conveyor at the Cliffs Dow sawmill and wood distillation plant located in Marquette, Michigan. Providing a sense of scale, two unidentified employees are visible in…