The first submarine mystery

[Archer7seven]

An interesting docu about a German and his explorer submarine.


http://www.youtube.com/watch?v=Og1A-polvD4

[merc4ulfate]

Good find mate. Very good documentary on a some very good lost technology.

[Diopos]

:up::up::up:

:yep:

.

[peterthegreeksailor]

Amazing the first known sub which actually can resurface and it wasn't a military sub!!!!! :lurk:

[BrucePartington]

What a delightful discovery. Thank you for sharing.