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Strowger switch
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Strowger switch

Also known as: step-by-step switch

Learn about this topic in these articles:

telephone systems

  • Alexander Graham Bell and the New York City–Chicago telephone link
    In telephone: Electromechanical switching

    The Strowger switch consisted of essentially two parts: an array of 100 terminals, called the bank, that were arranged 10 rows high and 10 columns wide in a cylindrical arc; and a movable switch, called the brush, which was moved up and down the cylinder by…

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