Leonardo focuses on the same sheet to reflect and investigate how to refine the potential natatorie. The first technological and scientific interest, since it involves the principle of Archimedes, is reserved for the glove palmato or glove with pannicoli to swim in the sea ", intended to improve the waterline in water, and ensure that movements of arms allow greater push in every direction. Leonardo, continually pushed to seek similarities between the components of the natural world, takes a model of the limb palmipedi and assumed a glove to tie the wrist, consisting of five battens, as an extension of the fingers, and a membrane. In part below, Leonardo designed a human figure that, as well as make them rotate torso to suggest the act of swimming in free style, makes him wear a safety, suggesting that they be used in case of storm or fortunale.
C. 1487 / 90. Ms.. B