telegraphy, telegraph operator, telegram, radiotelephone, guglielmo marconi, morse code, teletype, telephones, teleprinter, semaphore, linotype, gaslight, steamships, teletype machine, telex machine, wireless telegraphy, typewriter, railroads, franklin roosevelt, mimeograph, stagecoach, buggy whip, interurban, telexes, postmaster, steamboat, fiber optic cable, linotype machine, signal, phonographs, signalman, stereopticon, postal, carrier pigeon, industrial revolution, antislavery, airmail, gramophone, signal corps, fiber optics, calvin coolidge, stagecoaches, communication, talkies, jacquard loom, typewriting, franklin d. roosevelt, nickelodeon, bush telegraph, transmission, cqd, cavalrymen, epistolary, teletypewriter, loran, spinning jenny, triangulation, conditioned reflex, phonetic alphabet, morse, redcoats, transmitting, velocipede, planchette, steamers, henry wadsworth longfellow, relaying, meriwether lewis, horseless carriage, gunboat diplomacy, monopoles, town crier, cotton gin, averell harriman, mercantile, cavalry, switchmen, owen wister, newsboy, orville wright, james fenimore cooper, intercommunication, newspapering, lickety split, ringing, politesse, walter lippmann, telepathy, industrialism, transcontinental, subspace, divining rod, metonymy, goosestep, invention, lumbermen, antediluvian, sextants, phone, radiogram, whirligig, stationmaster, telegraphs, telephone, wireless, railroad, railway, switchboard, tramways, com, express, housekeeping, phonograph, club, husbandry, looms, navigation, radio, railways, telegraphic, shipping, telephonic, octroi, trolley, winch, certificated, desk, salaried, bundled, busiest, department, dispatch, guard, jacketed, omnibus, radar, reporting

., bug, cornell, ezra cornell, intercept, international morse code, morse, morse code, phone tapper, samuel f. b. morse, samuel finley breese morse, samuel morse, tap, tapper, telegram, telegrapher, telegraphic, telegraphist, telegraph key, telegraph line, telegraph operator, telegraph wire, telephone line, telephone wire, teleprinter, teletypewriter, teletype machine, telex, telex machine, wire, wiretap, wiretapper

apparatus, setup, telecommunicate

cable