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  1. Lunch atop a skyscraper
  2. Steel Mill In Youngstown, Ohio, 1956
  3. Anheuser Busch Brewery, St. Louis, Missouri
  4. Douglas Aircraft Factory, Two women at work
  5. Oil Wells at Huntington Beach, California, 1925
  6. World War I: Women Workers, welding bomb casings
  7. B-24s At An Aircraft Plant
  8. Steamfitter
  9. Three oil refinery units in Louisiania, set up to supply fuel for allied units, 1944
  10. Hell Gate Bridge, New York
  11. Women workers of shirtwaist factories on strike in New York City, 1909
  12. Rows Of Plymouth Motor Cars Automobiles
  13. Old Vintage Jet Engine
  14. Eiffel Tower During Construction
  15. Suspension Bridge In Middlesbrough
  16. Construction Of The Woolworth Building, New York
  17. Vehicle Chassis Outside Factory
  18. Shoe Factory Workers
  19. John Brown's Shipyard On The Clyde
  20. Fiat Cars Being Delivered to Dealers
  21. 1950's American Airlines Convair Flagship Propeller Aircraft In Flight
  22. Chamber Cranes In Pedro Miguel Locks
  23. Women Arranging Fuse-Heads At A Gun Factory During World War I
  24. Steam Powered Hydraulic Dredge
  25. Golf Balls In Molds
  26. Old Slater Mill, Pawtucket, Rhode Island
  27. Glenn Curtiss, Founder Of The U.S. Aircraft Industry, Sitting In His Biplane
  28. Nash Auto Dealership with Boarded-up Window
  29. 50 Kilowatt Broadcasting Modulator
  30. Liberty Ship, 1943, under construction
  31. Automobile Assembly Line, Studebaker bodies
  32. Crop Dusting Plane Flies Over Field
  33. Derrick-Man, 1933
  34. Douglas Aircraft Factory