Lewis Wickes Hine [Machinist machining wheel to fit driving pin on above wheels (80 inches in diameter) on newest type of locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [Factory interior with small planing machine with belt drive run by steam (now out of production) that was installed about forty years ago, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [Worker weighing balance screws or timing watches on milligram balance that are weighed to accuracy of 1/200th of milligram, Hamilton Watch, Lancaster, Pennsylvania]
Lewis Wickes Hine [Worker warping rayon on cone creel, William Skinner and Sons, Holyoke, Massachusetts]
Lewis Wickes Hine [Workers rewinding paper from reel, American Writing Paper Company, Holyoke, Massachusetts]
