Leonardo da Vinci designed a diving suit for underwater exploration and work below the surface.
His concept appeared in the early sixteenth century, when Venice was a major maritime power and underwater engineering had military and commercial possibilities. The suit included a mask connected to breathing tubes that led upward toward the water’s surface. Leonardo also considered ways for a diver to see, move, and manage air underwater.
The design is often described as an early diving suit, but it was not a modern scuba system. It depended on air supplied from above rather than compressed air carried in cylinders. The concept was probably intended for practical underwater operations, although there is no reliable evidence that Leonardo or his contemporaries tested the complete outfit successfully.
Leonardo’s notes show his recurring interest in anatomy, hydraulics, and military engineering. His diving equipment belongs to a group of designs that anticipated later technology without becoming an immediately usable machine.