Model of underwater mine made in Sweden, based on designs of Robert Fulton. During a visit to the U.S> in 1818, Swedish Lt. Col. Kinckowstrom studied Fulton's experiments with this type of mine. His reports are preserved in Swedish Archives and provided technical data for the the manufacture of these mines in Sweden
Courtesy of The Marine Museum, Karlskrona, Sweden, 1977.
Naval History and Heritage Command