Image: Bushnell Turtle model US Navy Submarine Museum

Description: Fullsized mockup of the Bushnell "Turtle", the world's first military submarine used in action, at the U.S. Navy Submarine Force Museum and Library, Groton CT.
Title: Bushnell Turtle model US Navy Submarine Museum
Credit: Flickr : https://www.flickr.com/photos/divemasterking2000/3346207610
Author: Flickr user : https://www.flickr.com/photos/divemasterking2000
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