Lewis Wickes Hine [Stationary steam engine built by W. W. Baldwin before 1830, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [Workers assembling boiler for modern locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [Boilermaker and helper working on locomotive boiler, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [Workers assembling boiler for a modern locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]