Turtle was the world's first submarine used in battle. It was invented in Connecticut in 1775 by American Patriot David Bushnell as a means of attaching explosive charges to ships in a harbor.[1] Governor Trumbull recommended the inventor to George Washington and although the commander in chief had doubts he provided funds and support for developing and testing the machine (From Wikipedia) #3d_challenge_085 #barco #boat #buque #submarine #submarino #tortugashup #turtle
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