Sub Marine Explorer, 19th century submarine near San Jose Island, Panama
The Sub Marine Explorer measures 39 feet in length and features a pressurized working chamber connected to water ballast tanks and air compartments.
Julius H. Kroehl and Ariel Patterson constructed this submarine between 1863 and 1866 in Brooklyn, New York, for the Pacific Pearl Company.
The vessel remained misidentified by local residents as a World War II submarine until archaeologist James P. Delgado uncovered its true identity in 2001.
Multiple archaeological expeditions between 2002 and 2008 documented the deteriorating structure, leading to recommendations for recovery and museum display.
The submarine conducted pearl harvesting operations at depths of 103 feet, with crews enduring four-hour dives under dangerous decompression conditions.
GPS coordinates: 8.28158,-78.84589
Latest update: May 27, 2025 13:25
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