1909-30 – Submarine Salvage Robot – Harry L. Bowdoin (American)
1930 – Submarine Salvage Robot by Harry L. Bowdoin Artists depiction of Salvage tank. Really a cross between Bowdoin's Armoured Suit and the Diving Bell. Source: The Ogden Standard Examiner, Feb 21, 1932. Another artists depiction of the diving apparatus. Source: Modern Mechanics and Invention, Sept 1931. Large Robot Diving Bell to Explore for …
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