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  1. Bright Periodic Table - Navy, Modern Text
  2. Electromagnetic Induction
  3. Laws of Motion II
  4. Laws of Motion III
  5. Gravity
  6. The Peacocks Complaint, From The Book Baby's Own Aesop By Walter Crane C.1920
  7. Neutral Periodic Table
  8. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper stone
  9. Strong Force
  10. External anatomy of the human eye (with labels)
  11. Chalkboard Periodic Table
  12. Obama: Change
  13. Pencils
  14. Einstein
  15. Tiny Engineers Fixing a Broken Chip on a Motherboard
  16. Typical Animal Cell and Plant Cell
  17. Rhodochrosite Mineral From China's Wuton Mine
  18. Bolivia, Potosi, Amethyst in a Bolivian museum
  19. Vintage Civil War print of the Battle of Gettysburg
  20. The Hare and the Tortoise, illustration from Aesop's Fables
  21. Proud to be an American II
  22. Civil War painting of Union and Confederate troops fighting at The Battle of Bull Run
  23. 1st Infantry Division of the U.S. Army with Big Red One number
  24. Anatomy of human brain, inferior view
  25. The Historic Meeting Of The Union High Command During The American Civil War
  26. Bright Periodic Table - White, Modern Text
  27. Listen to your Teacher
  28. Illustrated USA
  29. Conceptual image of neuron
  30. Nikola Tesla With Machine
  31. Desk Tools I
  32. Pi to 2198 decimal place
  33. Mars
  34. Civil War print depicting the Union Army's capture of Fort Fisher
  35. Proud to be an American I
  36. Human anatomy showing deep muscles in the neck and upper back
  37. Roman Roads
  38. Shame may be Fatal - WPA Poster
  39. Desk Tools IV
  40. Meadow Saffron - Botanical Illustration
  41. Mars
  42. Travels Around the World
  43. Sierra de Velasco - USGS Earth as Art
  44. History Of Power
  45. The Optimist - USGS Earth as Art
  46. Hello Calculator
  47. Vintage Civil War print of a Union Drummer Boy holding a rifle on battlefield
  48. Tennessee - USGS State Mosaic