Lewis Wickes Hine [Worker tapping dial foot for threading holes in parts, Hamilton Watch, Lancaster, Pennsylvania]
Lewis Wickes Hine [Semi-skilled worker transferring numbers onto dial with rubber stamp machine, Hamilton Watch, Lancaster, Pennsylvania]
Lewis Wickes Hine [Worker applying machine-sewn edge to chair, Tomlinson Chair Manufacturing Company, High Point, North Carolina]
Lewis Wickes Hine [Worker operating shaper, Tomlinson Chair Manufacturing Company, High Point, North Carolina]