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  1. Coloured X-ray of a 17-jewel wrist-watch
  2. Patent--Hot Air Balloon
  3. Bicycle radio antenna, 1914
  4. Motherboard connectors
  5. Antique clock
  6. Robot City
  7. Binary code on a computer monitor
  8. Daimler automobile, 19th century
  9. Keyboard
  10. The Magic Box
  11. Fountain Pen
  12. Magic Money
  13. Pipetting
  14. TV/radio antenna and relay dishes, California
  15. Rotary telephones
  16. Armillary sphere, 18th century artwork
  17. 1920s television system, diagram
  18. Close-up of computer keys on a document
  19. Hot Rod II
  20. Workers in airplane hangar
  21. Patent--Sewing Machine
  22. Circuit Board Tin Contacts
  23. Businessmen figurines standing on a computer keyboard
  24. Standard electrical circuit symbols
  25. Distillery, 19th century
  26. Computer hard disc
  27. Fiber optic cables
  28. Astronomical Clock in Prague
  29. Digital Engine
  30. First Atom Bomb Test Site
  31. Circuit
  32. Scanning electron microscope
  33. Early American steam locomotive
  34. Phoning II
  35. Bellis and Morcom steam engine
  36. Binary digits in a row
  37. Circuit board components
  38. Television chassis on an assembly line with women workers in a US factory, July 1949
  39. Computer machinery with laser
  40. Vintage Parchment 3 1/2 Inch Floppy Disk Patent Poster
  41. Early electric lamps
  42. 19th Century internal combustion engine
  43. Printed circuit board
  44. Computer circuit board
  45. Johnniac computer
  46. Gas well valves
  47. Newton's telescope. 1668. Sir Isaac Newton
  48. Steam-powered coach, 1829