Old Mechanical Telephone Switch
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  • Photo title: Old Mechanical Telephone Switch
  • Author: Jdanne
  • Cover photo description:
  • Old mechanical two motion selector telephone switching technology. The Strowger switch is an automatic electromechanical telephone switch invented by Almon Brown Strowger in 1891. This technology was used until the digitalization of the telecommunication networks which started around 1980.
  • Image ID:20435934
  • Views:4971
  • Downloads:6

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