Also this site, which shows how the recorded Phonovision broadcasts were eventually recovered: http://www.tvdawn.com/earliest-tv/phonovision-experiments-1927-2

Also this site, which shows how the recorded Phonovision broadcasts were eventually recovered: http://www.tvdawn.com/earliest-tv/phonovision-experiments-1927-28/ http://www.tvdawn.com/earliest-tv/phonovision-experiments-19...