Emmanuel Maignan's gnomonic catoptric astrolabe at Palazzo Spada (2024) [video]
By zeristor · 2026-10-17 · 1 points · 1 comments
https://www.youtube.com/watch?v=gPQNDe8YNvo
By zeristor · 1 points · 1 comments · on Hacker News, read on BetterNews.
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