Lewis Wickes Hine [A. Miles assembling electrically operated "very modern" milling machine, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [William A. Portington, 72-year-old worker, using hand-operated knitting machine 100 years old formerly used to knit hosiery, Minnesac Mills, Philadelphia]
Lewis Wickes Hine [Walsh Holyoke Steam Boiler Works, Jolly, Inc., and Church of the Precious Blood, Holyoke, Massachusetts]
Lewis Wickes Hine [Worker setting up twisting-in machine, William Skinner and Sons, Holyoke, Massachusetts]
Lewis Wickes Hine [Worker warping rayon on cone creel, William Skinner and Sons, Holyoke, Massachusetts]