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  1. Faraday's electrolysis experiment, 1833
  2. Triger's caisson, 19th century
  3. Africa, 16th century Spanish map
  4. 19th Century Electric Telegraph Equipment
  5. Arabic science timeline
  6. Sacred lotus (Nelumbo nucifera)
  7. Early astronomical spectroscopy
  8. Muscles of the hand and forearm
  9. Water wheel
  10. Perpetual motion machine, 19th century
  11. Muscles of the foot
  12. 16th century map of Sardinia cartouche
  13. Villa Torrigiani, Camigliano village, Lucca, Tuscany, Italy, Europe
  14. Muscles of the back
  15. Cuneiform script
  16. Dioscorides, Ancient Greek physician
  17. Neolithic hunters
  18. Dolmen, Neolithic burial chamber 4500 years old, Pembrokeshire, Wales
  19. Galileo
  20. Galen's spirit system
  21. Lower leg bones and ligaments
  22. Spinal bones and ligaments
  23. Arm bones
  24. Villa Torrigiani, Camigliano village, Lucca, Tuscany, Italy
  25. Rainbow optics, historical artwork
  26. Umbrella bamboo (Fargesia murielae)
  27. Conrad Gessner's nature collection
  28. 15th century surgical equipment, artwork
  29. 19th-century mining machine
  30. Snow crystals
  31. Skull anatomy
  32. Boring a hole
  33. Foot bones and ligaments
  34. Tomato plant
  35. Tongue anatomy
  36. Guillaume Lemonnier1717-1799
  37. Splitting of wood log
  38. Lamps connected in series
  39. Early escalator, 1894
  40. Pelvis bones and ligaments
  41. Lamps connected in parallel
  42. Sympathetic nerves, upper body
  43. Acoustic echo