Facsimile (Giunti, Florence 1973-80); ca. 1478-1518; 65x44 cm
This is the largest collection of Leonardo's sheets, formed at the end of the sixteenth century by the sculptor Pompeo Leoni, who dismembered many original notebooks. In the present arrangement, after the restoration work carried out in the 1960s, the codex consists of 1119 sheets. It contains studies related to the entire range of Leonardo's interest in science and technology, together with architectural projects, town planning, biographical records and personal notes.
fols. 30v-31r: Two wheel hoist (left); mortars firing explosive projectiles (right).
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