Leonardo da Vinci’s robot knight wore armor as its outer covering.
Leonardo designed the humanoid automaton around 1495, while working for Ludovico Sforza in Milan. The machine was intended to sit, stand, raise its arms, move its head, and operate its jaw through a system of pulleys, cables, and gears. Its exterior was shaped like a German-Italian-style medieval armored knight.
The robot was probably created for a court pageant or spectacle rather than for combat. Leonardo’s design placed the mechanical controls inside the torso, linking them to the limbs through coordinated mechanisms. This shows how he combined anatomical observation with practical engineering.
The original automaton disappeared from the historical record. In the 20th century, Leonardo scholar Carlo Pedretti identified relevant drawings in the Codex Atlanticus, and modern builders produced reconstructions. These reconstructions differ in details because the surviving sketches do not preserve every part of the finished machine.