Di Herone alessandrino De gli avtomati, ouero machine se moventi, libri due (1601)

Hero, of Alexandria · In Venetia, Appresso Gio. Battista Bertoni, libraro al Pellegri[no] · leaf 46

Automatic machinery · Automatic machinery -- Early works to 1800

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

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