In 1814 we took a little trip,
Along with General Jackson,
Down the Mighty Mississipp',
We took a little bacon,
And we took a little beans,
And we beat the Bloody British,
At a place called New Orleans
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U.Kdt.Hdb B. I. 28) This possibility of using the hydrophone to help in detecting surface ships should, however, be restricted to those cases where the submarine is unavoidably compelled to stay below the surface.
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