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Transcript of The Invention of the Stop Sign. The Stop Sign Progress/Changes Made on the Stop Sign 1915 1925 1935 1945 1955 1965 1975 1915- A man named William Phelps Eno invented a white sign with black letters, in Detroit, Michigan. 1922- Realizing the stop sign was so important, an association was formed to make more stop signs.
In English we add those letters to make a word. According to the Oxford English Dictionary itâs an Old English word derived from Saxon and West Germanic words. It may be used as a noun to refer to a bucket or to something that plugs up something. In the case of a stop sign, however, it would not seem to be a noun. That would make the sign an announcement: âHere is something that plugs up something else.â Thatâs true in a way. A stop sign does momentarily impede cars but is that the intent of the author (in this case the city council) of the sign? Probably not. So, we move on to the the next possibility: a verb.