Teletype

Christopher H. Sterling

A teletype (teleprinter, teletypewriter, or TTY for TeleTYpe/TeleTYpewriter) is a now obsolete electro-mechanical typewriter which can be used to communicate typed messages from point to point through a simple electrical communications channel, line or wireless. The most modern form of these devices was fully electronic and used a visual display unit with a hard copy printer. The term teletype was a trademark of the major American company that manufactured the machines, the Morkrum Company, though it came into general use as well. For much of the twentieth century, teletypes were a vital part of news agency communication with subscriber newspapers. The mechanical typewriter was developed in 1867 and was in large-scale U.S. production within a decade, directed primarily at government and business office use. In telegraph offices, operators would listen to the Morse sounder and directly type plain language messages (transcription) onto telegram forms for hand delivery to recipients. Developing ...

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