Communication Technologies Part 1, c.1960
Cars, car radio, traffic signal, road maps, a boy selling newspapers out of school, magazine stand, female friends, boy's arm motions over to another kid, ancient pictographs on stone, bells on boats, toot of a whistle, reading newspapers, letter writing, alarm clock, calendars, communication by voice, by signal, classroom in school, thermometer, railroad trains, air horn, barometer, woman dialing the phone.