Strowger switch

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Strowger switch

Also known as: step-by-step switch

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The Information Architects of Encyclopaedia Britannica

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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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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…
Read More