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October 11, 202110.11_Granville T. Woods Patented Telegraphony1 minutePlay#OTD Inventor Granville T. Woods patented a telephone system apparatus which he called Telegraphony....moreShareView all episodesBy CEP4.31010 ratingsOctober 11, 202110.11_Granville T. Woods Patented Telegraphony1 minutePlay#OTD Inventor Granville T. Woods patented a telephone system apparatus which he called Telegraphony....more
October 11, 202110.11_Granville T. Woods Patented Telegraphony1 minutePlay#OTD Inventor Granville T. Woods patented a telephone system apparatus which he called Telegraphony....more