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  1. Scanning electron microscope
  2. 19th Century internal combustion engine
  3. Armillary sphere, 18th century artwork
  4. Hydraulic Systems
  5. Circuit Board Tin Contacts
  6. Circuit Board Tin Contacts
  7. Solar power plant, Cala San Pedro, Spain
  8. 1920s television system, diagram
  9. Close-up of an industrial ventilation fan
  10. Standard lathe
  11. Electric Tattooing Device, Charles Wagner, 1904
  12. 19th Century electrical equipment
  13. Decoherence in quantum computing
  14. Coloured X-ray of a 17-jewel wrist-watch
  15. Circuit Board Tin Contacts
  16. First Atom Bomb Test Site
  17. Early television with a viewing mirror that reflects the image of a picture tube
  18. Watch gears, SEM
  19. Telephone switchboard operator, 1914
  20. Brewery kettle, 19th century
  21. Digital Engine
  22. Electronic components
  23. Pipetting
  24. Microchips
  25. Patent--Hot Air Balloon
  26. Phoning I
  27. Newton's telescope. 1668. Sir Isaac Newton
  28. Vintage Rotary Phone
  29. Computer memory chips
  30. Apollo 11 Moon Plaque, 1969
  31. Cold War medical training, 1958
  32. Standard electrical circuit symbols
  33. Wrist watch interior
  34. Printed circuit board
  35. iPod Patent Blue
  36. Computer hard disc
  37. Water mill and pump, 18th century
  38. Magic Money
  39. Bellis and Morcom steam engine
  40. 19th Century internal combustion engine
  41. 50 Kilowatt Broadcasting Modulator
  42. High-pressure steam engine, 19th century
  43. German WWII ramjet bomber blueprint
  44. Early American steam locomotive
  45. SCSI card
  46. Pascal's calculator, 17th Century artwork
  47. Edison talking into his phonograph
  48. Astronomical Clock in Prague