History: [Colorized by me] Thomas Alva Edison (31) with his phonograph (2nd model) - April 1878 [728x1.065]

https://i.imgur.com/DlCCKAMg.png via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/fel01e/colorized_by_me_thomas_alva_edison_31_with_his/?utm_source=ifttt