Ballast tanks. by John Cooper

John Cooper | all galleries >> Military boats >> HMS Alliance. P417 > Ballast tanks.


21-APR-2015	John Victor Cooper

The ballast tanks on the sides of the submarine are open at the bottom.
Air is used to change the level of the water in the tanks.

Canon EOS 7D Mark II
1/400s f/11.0 at 18.0mm iso200 full exif

other sizes: small medium large auto

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