The Ben Franklin,   Jacques Piccard’s mesoscaphe,                      >>>"home"...)
calculated and designed by Erwin Aebersold, built in Switzerland for Grummann and NASA,
for the purpose of carrying out research to provide in-depth understanding of the Gulf Stream.

E. Aebersold kept a board journal.
and kindly made these samples available.

During the tests...                    

le journal de bord du mésoscaphe Ben Franklin (PX15)...

During the tests...                    
During the tests, a swordfish came to visit...

le journal de bord du mésoscaphe Ben Franklin (PX15)...

The expedition...             
The first day of the expedition : To start with, 11 hours of towing...





Then the descent into the depth, to 500 m, then back up to 200 m :
(follow the bold line)

le journal de bord du mésoscaphe Ben Franklin

During the expedition...             

le journal de bord du mésoscaphe Ben Franklin

During the expedition...             
On the last day (the 31st), back up to the surface, and the air...










(follow the bold line)

le journal de bord du mésoscaphe Ben Franklin


(back to E. Aebersold...)