(n.) The science or art of constructing, or of communicating by means of, telegraphs; as, submarine telegraphy.

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