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The evening times. [volume] (Washington, D.C.), 19 Aug. 1897.

https://chroniclingamerica.loc.gov/...xt=&andtext=&dateFilterType=yearRange&page=97
The Argonaut Junior was built by Simon Lake in 1894 of pitch pine, as inexpensive way to demonstrate his principles of submergence that would ultimately change the development of submarine technology. When submerged to a shallow seafloor, a divers’ door could be opened and he could retrieve articles or exit & re-enter the little 14-foot submarine by maintaining a pressurized compartment.
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