Lewis Wickes Hine [Stationary steam engine built by W. W. Baldwin before 1830, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [A. Miles assembling electrically operated "very modern" milling machine, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [Worker taking temperature of melted iron with pyrometer in foundry, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [Blacksmith and helper working on modern forge in smith's shop, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [Workers assembling boiler for a modern locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Unidentified Photographer [Album of Vacation Photographs from the Midwest and Upper Peninsula Regions]