Lewis Wickes Hine ["Sunnyside," near covered bridge over Conestoga Creek with dump on one side and shacks on opposite bank, Lancaster, Pennsylvania]
Lewis Wickes Hine [Worker making matchboard on cylinder machine, American Writing Paper Company, Holyoke, Massachusetts]
Lewis Wickes Hine [Workers making matchboard on cylinder machine, American Writing Paper Co., Holyoke, Massachusetts]
Lewis Wickes Hine [Skilled worker operating damaskeening machine operation for putting finishing lines on plates and bridges, Hamilton Watch, Lancaster, Pennsylvania]
Lewis Wickes Hine [Semi-skilled worker operating wig wag machine for polishing pivots and staff shoulders, Hamilton Watch, Lancaster, Pennsylvania]