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  1. Squares And Oblongs
  2. 1824 Buckland's Megalosaurus limb bones
  3. Hipparchus, Ancient Greek astronomer
  4. Window
  5. Fermi, Heisenberg and Pauli
  6. Early electric lamps
  7. France, French Alps, Haute-Savoie, Chamonix, skiers in the Valle Blanche off piste
  8. Sets of fingerprints
  9. A Galapagos Tortoise Lumbers Slowly Across A Dirt Road, Galapagos Islands, Ecuador
  10. Square Curves
  11. Monotone Male Lion (Panthera Leo) Lies Turning To Camera, Serengeti, Tanzania
  12. Railway signalman, 19th century
  13. Darwin's Galapagos Finches
  14. Tesla Coil Experiment, 1899
  15. Durer's Celestial Globe, 1515
  16. Aerial view of Heart Reef, Australia, Queensland, Great Barrier Reef Marine Park
  17. Granville Woods, US inventor
  18. V-2 bumper rocket launch in USA
  19. Foot anatomy by Leonardo da Vinci
  20. Features of fingerprints
  21. Thomas Edison, US inventor
  22. Indonesia, Tanjung Puting National Park, A male Bornean Orangutan
  23. V-2 rocket launch in USA
  24. Light At The End Of The Tunnel
  25. Heart anatomy, 18th century
  26. Early telephone, historical artwork
  27. Window Shopping
  28. Brewery kettle, 19th century
  29. Lunar map of 1854
  30. Indonesia, Flores Island, two of the crater lakes of Mount Kelimutu, a dormant volcano
  31. Kelly Miller, US mathematician
  32. Reflecting The Heavens
  33. 1886 French copy Haeckel 'tree of life'
  34. Vertical And Horizontal
  35. Kishacoquillas Valley Railroad, 1937
  36. James Clerk Maxwell, Scottish Physicist
  37. Paracelsus and the Basel tribunal
  38. Indonesia, Tanjung Puting National Park, A female Bornean Orangutan and her offspring
  39. The Art Of London
  40. Sky Lines
  41. Dendera zodiac from the Temple of Hathor
  42. 19th Century furnace for gas lighting
  43. Distillation apparatus, 19th century
  44. Rocky Cliffs In The Sierra Nevada Mountain Range In Yosemite National Park, California
  45. Wright Brothers Kitty Hawk Glider, 1902
  46. Woven Wool Fabric, SEM
  47. Distillation apparatus, 19th century
  48. Rainhill Trials steam trains, 1829