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Old 09-22-16, 03:21 PM   #2
Dowly
Lucky Jack
 
Join Date: Apr 2005
Location: Finland
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Quote:
Originally Posted by Onkel Neal View Post
If I'd have to guess, the left one shows the depth in relation to the periscopes.

The right one seems to show the same for other parts of the boat. For example, on the right side there's a conning tower (brücke) mark at -9,7m. So, to get the boat submerged fully, the water level inside the tube would have to raise above that mark.

No idea what the markings on the left side mean.
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