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Madrid Ms. I, 111r. - "Way of drilling through a mountain" (Serravalle Pistoiese), study made at the time of the "Milanese" projects for deviating the Arno, c. 1495.
Madrid Ms. I, 111r. - "Way of drilling through a mountain" (Serravalle Pistoiese), study made at the time of the "Milanese" projects for deviating the Arno, c. 1495.
© Alessandro Vezzosi

Last update 26/feb/2008