History: Father Giuseppe Lais working on the at the 'Carte du Ciel' at the Vatican Observatory, 1909. [620×447]

https://i.imgur.com/PaLtFn1.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/79i2jb/father_giuseppe_lais_working_on_the_at_the_carte/?utm_source=ifttt