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  1. Patent--Light Bulb
  2. Close-up of an electronic circuit board
  3. Fiber optic cables
  4. Computer components
  5. Early electrical equipment
  6. Fiber optic cable
  7. Computer circuits
  8. Flying Machine, drawing by Leonardo da Vinci. Ca. 1488
  9. Fiber optic cables
  10. Faded Blueprint 3 1/2 Inch Floppy Disk Patent Poster
  11. Advancement of telecommunication technology
  12. Electric Tattooing Device, Charles Wagner, 1904
  13. Optical fibre bundle for communications
  14. Daimler automobile, 19th century
  15. a computer screen icon of the @ sign with symbols superimposed
  16. Nikola Tesla With Machine
  17. Man pointing to screen squares from inside a circle
  18. Close-up of circuit board
  19. Binary coding
  20. TV/radio antenna and relay dishes, California
  21. Computer hard disk assembly
  22. 19th Century electrical equipment
  23. Phoning I
  24. R2D2
  25. Engineering equipment
  26. Close-up of an industrial ventilation fan
  27. Printed circuit board components
  28. Metalwork
  29. Microchips
  30. White Phone
  31. Robot arm spot-welding a car suspension unit
  32. Network server
  33. Robot City
  34. Patent--Hot Air Balloon
  35. Electronic simulator, 1954
  36. Sweetness Of Laos
  37. Patent--Aerial Machine
  38. Computer chips, (Close-up)
  39. Replica Of Eli Whitney's Cotton Gin
  40. Astronomical Clock in Prague
  41. Electric light bulb
  42. Antique clock
  43. Rotary telephones
  44. Decoherence in quantum computing
  45. Television chassis on an assembly line with women workers in a US factory, July 1949
  46. Crampton's Railway Steam Locomotive Engine, 19th Century
  47. Phoning II
  48. Nikola Tesla With An Early Tesla Coil