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  1. Utility pipes, artwork
  2. Apollo 11 Moon Plaque, 1969
  3. Three-pronged electrical plug on stainless steel.
  4. Women working in a munitions factory in 1915
  5. Artificial heart, 19th century
  6. Telephone switchboard operator, 1914
  7. Vintage Rotary Phone
  8. Electronic and biologic systems, artwork
  9. Solar power plant, Cala San Pedro, Spain
  10. Oil refining process
  11. 19th Century amphibious vehicle, artwork
  12. Recording thumbprint
  13. Circuit Board
  14. Low angle view of communications towers, Kuwait Towers, Kuwait City, Kuwait
  15. Circuit board
  16. Measuring electric voltage
  17. Triger's caisson, 19th century
  18. Water mill and pump, 18th century
  19. Telecommunication Towers near Bulls Head, Dingle Peninsula, County Kerry, Ireland
  20. Vintage Parchment Wall Phone Patent Poster
  21. Computer monitor
  22. Palmtop
  23. Control panel
  24. Radio telescope at sunset, Stanford, California
  25. Edison talking into his phonograph
  26. Circuit Board Tin Contacts
  27. Painting of a Weather Satellite
  28. Computer and mouse with flora design
  29. Oscilloscope trace
  30. Metal Coils II
  31. Concentrating Solar Power Plant
  32. Light bulb
  33. Vieques, Puerto Rico, A laptop is sitting in the middle of an unmade hotel bed
  34. Enigma, German Cipher Machine Created Codes For Sending Messages During WWII
  35. Genome sequencing machine
  36. Parkes radio telescope at night, Parkes, NSW, Australia.
  37. Morse's telegraph receiver
  38. Chit Chat
  39. Cut-away artwork of a windmill for grinding corn
  40. Hornblower's engine
  41. Computer graphic line graph, full frame
  42. Refractor telescope, 1928
  43. United States, Satellite Dish
  44. Light bulb filament
  45. Micro electronics
  46. Printing Press at Le Petit Journal, created by H, Marinoni, 1860s
  47. Electrical cables
  48. Quality control of integrated circuit wafers