List of episodes
Year: 1922
Runtime: 60 minutes
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Content: The ocean depths are explored with the aid of a submarine chamber of Williamson's invention and a few hardy souls. The construction of the device is examined; but most of the footage is given to plant and animal life, a girl swimming among the coral growths, and two divers who encounter a moray and an octopus.
United States of America
Documentary
60 minutes
1922
J. Ernest Williamson
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