Noun
teleprinter (plural teleprinters)
(historical) Synonym of teletype, a telegraph that automatically prints transmited messages in letters rather than Morse code or other symbols.
A teleprinter (teletypewriter, Teletype or TTY) is an electromechanical typewriter that can be used to send and receive typed messages from point to point and point-to-multipoint over various types of communications channels. Source: Internet
Automatic teleprinter exchange service was introduced into Canada by CPR Telegraphs and CN Telegraph in July 1957 and in 1958, Western Union started to build a Telex network in the United States. Source: Internet
Amateurs used their existing receivers for RTTY operation but needed to add a terminal unit, sometimes called a demodulator, to convert the received audio signals to DC signals for the teleprinter. Source: Internet
An SLU was operating at the War HQ in Valletta, Malta. citation These units had permanent teleprinter links to Bletchley Park. Source: Internet
A teleprinter attached to a modem could also communicate through standard switched public telephone lines. Source: Internet
Coded messages were taken down by hand and sent to Bletchley on paper by motorcycle despatch riders or (later) by teleprinter. Source: Internet