Leonardo's crossbow
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Leonardo's crossbow designs are a series of shooting weapon schematics designed by Leonardo da Vinci that are in the Codex Atlanticus. One version, a self-spanning infantry weapon called the rapid-fir
Drawing of a giant crossbow by Leonardo da Vinci on folio 149a of the Codex Atlanticus
A 3D rendering of Leonardo da Vinci's giant crossbow design
A replica of the rapid-fire crossbow in the Leonardo3 museum in Milan
Polybolos
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The polybolos was an ancient Greek repeating ballista, reputedly invented by Dionysius of Alexandria and used in antiquity. The polybolos was not a crossbow since it used a torsion mechanism, drawing
Leonardo's crossbow
…Lever action firearms Polybolos Repeating crossbow…
Arsenal of ancient mechanical artillery in the Saalburg, Germany; left: polybolos reconstruction by the German engineer Erwin Schramm (1856–1935)
A modern reconstruction of the repeating "polybolos" catapult of Dionysius of Alexandria, in Kotsanas Museum of Ancient Greek Technology, Athens, Greece.