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The Secret of the Submarine

1916 · Movie · 360 min
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A brilliant naval engineer invents a revolutionary new submarine capable of incredible underwater endurance. Foreign agents plot to steal the blueprints for this decisive weapon. The inventor's daughter and a brave navy officer must protect the secret, leading to adventures involving espionage and underwater sabotage.

Details

Released
22 May 1916
Country
United States
Language
English
Runtime
360 min

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