TelAutography, Teletype, Teletype network, Teletyping, closed-circuit telegraphy, code, duplex telegraphy, electricity, facsimile telegraph, interrupter, key, multiplex telegraphy, quadruplex telegraphy, railroad telegraphy, receiver, sender, simplex telegraphy, single-current telegraphy, sounder, stock ticker, submarine telegraphy, telegraphics, telegraphy, teleprinter, teletypewriter, teletypewriting, telex, ticker, transmitter, typotelegraph, typotelegraphy, wire service