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February 24, 2011

Castellum Umbrarum

Castellum_Umbrarum.jpg

Giovanni Fontana's 15th-century "castle of shadows". Some design specifications at the link.

In a book published nearly 600 years ago, in the year 1420, Venetian engineer Giovanni Fontana proposed a mechanical construction called the Castellum Umbrarum, or "castle of shadows."

Posted by Ghost of a flea at February 24, 2011 07:28 AM