teletype machine, morse code, telex, telex machine, radiogram, teletext, teletype, baud, linotype, telegrapher, wireless telegraphy, dictaphone, pantograph, radiotelephone, signaler, linotype machine, semaphore, morse, beermat, radiophone, telegraphy, bush telegraph, magneto, typesetter, typewriting, transmitter, codebreakers, voltmeter, triode, dot matrix printer, univac, teletypewriter, vacuum tube, totalizer, freq, typewriter, switchboards, ciphering, scart, frequency modulation, tachyon, cryptogram, baud rate, pseudorandom, movietone, telegram, signalman, synchromesh, walkie, capstan, annunciator, mimeograph, eavesdropper, spooler, atomic clock, graviton, synchronizer, bakelite, geiger counter, dialling, ammeter, dits, cassette recorder, tacho, demultiplexer, pyrometer, aprs, ethernet cable, cqd, telemetric, bleeper, stroboscope, telemeter, vhf, tachograph, shortwave, codebook, subspace, windscreen wiper, electroencephalograph, jacquard loom, plaintext, direction finder, spad, stenotype, xerox, cassette deck, subroutine, voltage divider, convertor, mimeograph machine, sideband, spectro, ecu, dot matrix, hexadecimal, carburettor, telegraph operator, multimeter, qso, servo, thunderer, computer, multiplexers, phonograph, repeater, changer, plotter, repeaters, switchboard, switches, telephone, aeroplane, camera, commutator, contactor, copier, installations, locomotive, machine, machines

character-at-a-time printer, character printer, serial printer