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January 01, 1990A rail and gear push a cam that lifts the motor, driving its spindle through the diskPlay-...moreShareView all episodesBy John C. Bean - WeCanFigureThisOut.org322 ratingsJanuary 01, 1990A rail and gear push a cam that lifts the motor, driving its spindle through the diskPlay-...more
January 01, 1990A rail and gear push a cam that lifts the motor, driving its spindle through the diskPlay-...more