Diagram of the blood vortex in the heart, late 15th or early 16th century (1954). Artist: Leonardo da Vinci
Caption:
Diagram of the blood vortex in the heart, late 15th or early 16th century (1954). Found in the collection of the Royal Library, Windsor Castle, Windsor. A print from Leonardo da Vinci by Ludwig H Heydenreich. (London, 1954).