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Codex Atlanticus, 909v. - Brunelleschi's screws for the work of Santa Liberata (Florence Cathedral) in a project for a device to break through the keels of ships, c. 1487.
Codex Atlanticus, 909v. - Brunelleschi's screws for the work of Santa Liberata (Florence Cathedral) in a project for a device to break through the keels of ships, c. 1487.
© Alessandro Vezzosi

Last update 26/feb/2008