Artificio de Juanelo(en.wikipedia.org)
86 points by benbreen | 10 comments
86 points by benbreen | 10 comments
145 points by areoform | 42 comments
25 points by lermontov | 6 comments
85 points by akkartik | 25 comments
80 points by YeGoblynQueenne | 8 comments
100 points by perihelions | 32 comments