A teleprinter (teletypewriter, teletype or TTY) is an electromechanical device that can be used to send and receive typed messages through various communications … See more

Teleprinters could use a variety of different communication channels. These included a simple pair of wires, public switched telephone networks, … See more

Most teleprinters used the 5-bit International Telegraph Alphabet No. 2 (ITA2). This was limited to 32 codes (2 = 32). One had to use "FIGS" (for "figures") and "LTRS" (for "letters") keys to shift state, for a combined character set sufficient to type both letters … See more

A global teleprinter network called Telex was developed in the late 1920s, and was used through most of the 20th century for business communications. The main difference from a … See more

The teleprinter evolved through a series of inventions by a number of engineers, including Samuel Morse, Alexander Bain, Royal Earl House, David Edward Hughes, Emile Baudot, Donald Murray, Charles L. Krum, Edward Kleinschmidt and Frederick G. Creed See more

Creed & Company
British Creed & Company built teleprinters for the GPO's teleprinter service.
• Creed … See more

In addition to the 5-bit Baudot code and the much later seven-bit ASCII code, there was a six-bit code known as the Teletypesetter code (TTS) used by news wire services. It … See more