Principles of Telegraphy, Teletypewriter

armature associated audio automatic baud Baudot code bias Block carrier cause centers changes channel character character interval characteristics circuit coefficient combination communication condition connected CONVERTER correct corresponding device direction distortion effect electrical elements employed equal equipment error FEED FIGURE flows frequency functions ground holes includes incoming indicators interval keyboard letters LOOP MAGNET manual marking measuring mechanism method modulation MULTIPLEX neutral NOTE operation outgoing OUTPUT percent perforator polar polar relay position present printer printing pulses PUNCH radio readers receiving recorded relay repeater routing selection selector sending separate shift shown signal single spacing speed standard start-stop station stop switching synchronous tape tele telegraph telegraph circuits telegraph systems telephone teletype teletypewriter terminal tion trans transmission transmitted unit usually wave winding wire