Lewis Wickes Hine [Worker taking bottle off I.S. automatic blowing machine for testing, Whitall Tatum Company, Millville, New Jersey]
Lewis Wickes Hine [Worker with lynch bottle blowing machine, Whitall Tatum Company, Millville, New Jersey]
Lewis Wickes Hine [Machinist finishing axle on large driving wheels (80 inches in diameter) on newest type of locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]
Lewis Wickes Hine [Stationary steam engine built by W. W. Baldwin before 1830, Baldwin Locomotive Works, Eddystone, Pennsylvania]
