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  1. Faraday's electrolysis experiment, 1833
  2. Telegraph Key (Morse Code) Type J-37
  3. Johannes Kepler and Tycho Brahe
  4. Red kite, historical artwork
  5. Rainhill Trials steam trains, 1829
  6. Water wheel
  7. Mappa Mundi by La Cosa in 1500
  8. Jonathan Hulls' steamboat, 18th century
  9. Arm bones
  10. Africa, 16th century Spanish map
  11. 19th Century Electric Telegraph Equipment
  12. Sir Walter Raleigh , English explorer
  13. Paracelsus and the Basel tribunal
  14. Muscles of the hand and forearm
  15. Sacred lotus (Nelumbo nucifera)
  16. Medieval physician and pharmacist
  17. Lower leg bones and ligaments
  18. Zenobe Gramme
  19. Torso bones
  20. Measuring electric voltage
  21. Triger's caisson, 19th century
  22. Villa Torrigiani, Camigliano village, Lucca, Tuscany, Italy, Europe
  23. Villa Torrigiani, Camigliano village, Lucca, Tuscany, Italy
  24. Rainbow optics, historical artwork
  25. The four humours, diagram
  26. Pelvis bones and ligaments
  27. Muscles of the back
  28. Muscles of the foot
  29. Dolmen, Neolithic burial chamber 4500 years old, Pembrokeshire, Wales
  30. 15th century surgical equipment, artwork
  31. Umbrella bamboo (Fargesia murielae)
  32. Organic tomatoes
  33. Early astronomical spectroscopy
  34. Guillaume Lemonnier1717-1799
  35. Galileo
  36. Galen's spirit system
  37. Measuring electric current
  38. Conrad Gessner's nature collection
  39. Skull anatomy
  40. 19th-century mining machine
  41. Neolithic hunters
  42. Early escalator, 1894
  43. Tomato plant
  44. Lamps connected in series
  45. Tongue anatomy
  46. Lamps connected in parallel
  47. Sympathetic nerves, upper body