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  1. Vintage Parchment Windmill 1906 Patent Poster
  2. Human anatomy showing deep muscles in the neck and upper back
  3. Northern celestial map
  4. Rocket launch
  5. Normal hip, X-ray
  6. Carl Sagan
  7. Close-up of an electronic circuit board
  8. The docking of SpaceX Dragon to the International Space Station above Earth
  9. Apollo Missions - Green Print: Retro Travel Poster
  10. Surveyors Wanted to Explore Mars and its Moons
  11. Architectural drawings
  12. Castor oil stem, light micrograph
  13. Bicycle diagram, 19th century
  14. Ear trumpets
  15. Body musculature
  16. Stem cells, artwork
  17. American Frohse Anatomical Wallcharts, Plate II
  18. Virus particles entering cells, artwork
  19. Electronic simulator, 1954
  20. Microscopic view of coronavirus
  21. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  22. Skeleton Leans on Wall
  23. Female hormone
  24. Scanning electron micrograph of HIV particles infecting a human H9 T cell
  25. Lunar map of 1854
  26. Early electric lamps
  27. Digestive system, artwork
  28. Bolivia, Potosi, Amethyst in a Bolivian museum
  29. Splashing wave, split view
  30. Osteoclasts eroding bone in osteoporosis
  31. 1858 Prehistoric marine reptiles
  32. Chinese acupuncture model
  33. Indigo Agate C
  34. Gas bubbles in oil
  35. Galileo thermometer
  36. Alan Turing, British mathematician
  37. Cherry Tree - Botanical Illustration
  38. Medical illustration of human leg muscles, four side views
  39. Muscles of the neck
  40. Superior view of human brain with colored lobes and labels
  41. Cross section of planet Earth showing the inner core
  42. Stacked Agate I
  43. Leaded
  44. Normal shoulder, X-ray
  45. Earth
  46. Medical equipment on a tray
  47. Bacterial Growth On Culture Media
  48. Study of the Human Figure, Lateral View