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  1. Early telephone, historical artwork
  2. Future electronics
  3. Communication Satellite, Brewster, Washington
  4. Lights bulbs shining in the darkness.
  5. National Radio Astronomy Observatory, Green Bank, West Virginia
  6. Distillation apparatus, 19th century
  7. High-pressure steam engine, 19th century
  8. Armillary sphere, 18th Century artwork
  9. NASA, Houston, Texas
  10. Early electric train
  11. Neutrino detector
  12. Setting knobs on a DJ mixer for adjusting the sound output.
  13. Telephone switchboard operator, 1914
  14. Computer disc and receipt on abstract background (Digital Composite)
  15. Microprocessor chips
  16. Marie Curie
  17. Morse code apparatus, historical artwork
  18. Distillation apparatus, 19th century
  19. Apollo 11 Moon Plaque, 1969
  20. Distillation apparatus, 18th century
  21. Black Beauty I
  22. Water mill and pump, 18th century
  23. Connections being made to microchip
  24. Macrophotograph of a circuit board
  25. Watch gears, SEM
  26. Electronic and biologic systems, artwork
  27. Railway signalman, 19th century
  28. Triger's caisson, 19th century
  29. Circuit Board
  30. 17th Century fire fighting, artwork
  31. Differential analyser, 1954
  32. Telegraph Key (Morse Code) Type J-37
  33. Drawing of an armillary sphere
  34. Rainhill Trials steam trains, 1829
  35. Generator and Fan Belt in a Car Engine
  36. Oscilloscope showing voltage/time trace
  37. MEMS production, quality control
  38. Propeller cavitation
  39. Brewery kettle, 19th century
  40. 50 Kilowatt Broadcasting Modulator
  41. Light bulb, historical artwork
  42. 19th Century Electric Telegraph Equipment
  43. Losh and Stephenson's carriage
  44. Measuring electric voltage
  45. Ader's flying machine, 19th century
  46. Quality control of integrated circuit wafers
  47. Personal organizer, glasses, newspaper and laptop on desk
  48. Vintage Parchment Wall Phone Patent Poster