Lern' Summin

Bushnell's Turtle: Or, a Beetle, With a Man

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Synopsis

Sources: https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/s/submarine-turtle-naval-documents.html#item1 Letter to Benjamin Franklin, reprinted in Roland, Alex (1977). ""Bushnell's Submarine: American Original or European Import?"". Technology and Culture. 18: 159. Richard Compton-Hall, "The Submarine Pioneers," 1999