Lewis Wickes Hine [Eighty-three-year-old stopper-grinder, T. C. Wheaton Company, Millville, New Jersey]
Lewis Wickes Hine [Worker taking bottle off I.S. automatic glass-blowing machine for testing, Whitall Tatum Company, Millville, New Jersey]
Lewis Wickes Hine ["Carrying-in-boy," about sixty years old, loading up "paddle" with glass stoppers that have just been moulded to file these off from cup on which they were made, T.C. Wheaton Company, Millville, New Jersey]