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  1. Distillation, 16th century woodcut
  2. Anti Child Labor Poster, 1913
  3. European Travel
  4. Energy
  5. Vintage Parchment Fleming Valve Patent Poster
  6. Mineralogie I
  7. Technicians Wanted to Engineer our Future on Mars
  8. Title Page From The Luther Bible, C.1530
  9. Normal knee, X-ray
  10. Page Proof From Great Expectations, Charles Dickens's Hand Written Corrections, 1812
  11. Earth Agate A
  12. Venus I
  13. Wind turbine in rural location with old barn in Cavalier County, USA
  14. World War I, Geography
  15. Orbits of Earth Crossing Asteroids
  16. Map of Palestine, Palestina Antiqua
  17. Young boy in school writing on chalkboard
  18. Michigan - USGS State Mosaic
  19. Pencil Nub and Equation
  20. 'Nurse's Song,' plate 18 from 'Songs of Innocence,' 1789
  21. Wright Flyer sculpture at Wright Brothers National Memorial, North Carolina
  22. Living Relatives of Dinoaurs
  23. Blood cells in blood vessel, artwork
  24. Tennessee - USGS State Mosaic
  25. The Summer Road
  26. Sagenite On Mexican Agate
  27. Costellazioni II
  28. Ferdinand Magellan (1480-1521) on discovering the Pacific Ocean
  29. Sailors on deck of USS Mendota gun boat during American Civil War
  30. Annunciation to the Shepherds. Book of Hours of Leonor de la Vega. 1465-70
  31. A Pawnee Brave
  32. The vertebral column
  33. Relief depicting a pharaoh making an offering, Temple of Luxor, Egypt
  34. Vintage print of Presidents James Garfield, Abraham Lincoln, and William McKinley
  35. Capitol From the Botanical Gardens
  36. Men in Armour IV
  37. Paisley Agate
  38. Laboratory Equipments
  39. Molecule Testosterone
  40. Bouncing ball
  41. Vintage American History print of Colonel Theodore Roosevelt
  42. Molecule Chili
  43. School Study IV
  44. Cardiovascular system, artwork
  45. Vintage Parchment Vintage Cash Register 1890 Patent Poster
  46. The Flying Dutchman And Voltigeur Running The Great Match At York Racecourse
  47. Fagin in the Condemned Cell. Illustration for the novel Oliver Twist
  48. Andalgalornis steulleti, a flightless predatory bird