What was Leonardo da Vinci’s articulated humanoid machine, designed around 1495, commonly called?

Leonardo da Vinci’s articulated humanoid machine designed around 1495 is commonly called the mechanical knight.

Leonardo prepared the design for a festival connected with the court of Ludovico Sforza in Milan. The machine was concealed inside armor and used a system of pulleys, cables, gears, and levers to produce human-like movements. Reconstructions indicate that it could sit, stand, raise its arms, and move its head and jaw.

The machine was not an autonomous robot in the modern electronic sense. It was a mechanical automaton operated by internal components and likely controlled through a limited sequence of movements.

The original device has not survived. Modern builders, including engineers working from Leonardo’s drawings, have constructed replicas to study how the mechanism may have functioned. Its importance lies in combining Renaissance theatrical engineering with anatomical observation.