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 [Skilled worker truing balance wheels by placing wheel into calipers provided with an index that shows where it is out of balance, Hamilton Watch, Lancaster, Pennsylvania]
Lewis Wickes Hine [Man working with very modern 50-foot electric planer for big steel electric locomotive frames, Baldwin Locomotive Works, Eddystone, Pennsylvania]
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]
Margaret Bourke-White Streamlined car practically completed for this Pennsylvania Railroad. These shows the various flutings of stainless steel which go on exterior of car. The men are fitting the plumbing and wiring with the car.
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]
