The first submarine appeared in 1721 under Peter I. And then it was called "sanctuary ship." Yefim Nikonov is the one who built the first Russian submarine. Her trial took place in the presence of Emperor Peter I on the lake spill that just outside St. Petersburg. In those places just grew Sestroreck city, with the construction of an arms factory.
Now Sestroreck resort town. And until recently, about trials in these places first submarine did not resemble anything ...
But recently things have changed.
Here is a replica of the ship itself lurking:
It is inside. Crew commander himself was Nikonov, and the crew was from 4 to 8 people.
This thing was on the surface of the water and through it draws air for breathing: