Artificio de Juanelo(en.wikipedia.org)
86 points by benbreen | 10 comments
86 points by benbreen | 10 comments
93 points by canjobear | 23 comments
54 points by simonebrunozzi | 23 comments
74 points by thunderbong | 11 comments
36 points by userbinator | 2 comments
15 points by hyperific | 1 comments