The midget submarine <i>F.A. Forel</i>, built in the 1970's for Jacques Piccard, a swiss oceanograph and oceanaut. It was given in 2006 to the "Maison de la Rivière" (House of the River) of Tolochenaz (Switzerland), where it is on show.
<a href="//commons.wikimedia.org/wiki/User:Gzzz" title="User:Gzzz">Gzzz</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>