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  1. Waziristan Hills - USGS Earth as Art
  2. Silversmith at work, c.1914
  3. Geometry set
  4. Molecule Testosterone
  5. Vintage Parchment Bausch And Lomb Microscope Patent Poster
  6. Faded Blueprint Calipers And Dividers Patent Poster
  7. United We Stand - Civil Rights
  8. Wine Grapevine - Botanical Illustration
  9. Abacus.
  10. Motivation Set Red
  11. The Los Angeles Times announcing the end of World War I, 1918
  12. Lovecraft
  13. Soldier
  14. Civil War, Texas Rangers, 1861
  15. A diagram of the Milky Way, depicting its various named parts
  16. Numbercolors
  17. Meadow Saffron - Botanical Illustration
  18. Malaspina Glacier - USGS Earth as Art
  19. Mae Jemison (1956- )
  20. Discovery Hind Leg Of The Dinosaur Diplodocus, By Henry Fairfield Osborn In 1898
  21. Fire Extinguisher Mfg Co
  22. Vintage School VII
  23. Proclamation by English colonial Governor Bellomont, 1698
  24. Civil War era color print of President Abraham Lincoln and wife at their last reception
  25. Saturn II
  26. Relief depicting the union between Upper Egypt and Lower Egypt, Egypt
  27. College Graduation Ceremony
  28. Siberian Ribbons - USGS Earth as Art
  29. President Kennedy greets Peace Corps Volunteers on the White House South Lawn
  30. The Sun II
  31. Chiropractic skeleton
  32. Susan Brownell Anthony, c.1890-1906
  33. Definition of anthropology
  34. Teachers II Yellow
  35. Death's Door, illustration from 'The Grave, A Poem'
  36. Welders Goggles I
  37. Rocky Mountains - USGS Earth as Art
  38. The Battle of Cannae in 216 BC
  39. The Presidents Educational Poster, 2017
  40. Mineralogie III
  41. Zasite Stone With Rudby
  42. Spilled Paint - USGS Earth as Art
  43. The Making of America
  44. Vintage Parchment Wall Phone Patent Poster
  45. x-ray of head
  46. States of the US
  47. Vintage School VI
  48. The Spider and the Fly, illustration from Aesop's Fables