![History Teletype "torn tape" message switching [telecom]](https://forums.cabling-design.com/media/31205/conversions/6035d8b83b4029.87644473-medium.jpg)
At one time Western Electric's subsidiary Teletype used to advertise for its machines. Before the days of electronic computer memory, paper tape served as a store and forward mechanism.
The following ad describes the "torn tape" method of message switching.
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The following article describes the Pullman Teletype network.
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Teletype advertised a message identifier to avoid confusion.
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General ad describing dependable printed communications
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