History: Power house mechanic working on steam pump,1920, photo taken by Lewis Hine [colorized][713x1000]

https://i.redd.it/oaq464957ss11.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/9p0sh5/power_house_mechanic_working_on_steam_pump1920/?utm_source=ifttt