Submarine Warfare, Past, Present, and Future — PART II. French “Submersibles,” i.e., those Fitted with Two Sources of Motive Power, One for Surface, and One for Sub-su

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Submarine Warfare, Past, Present, and Future PART II. French “Submersibles,” i.e., those Fitted with Two Sources of Motive Power, One for Surface, and One for Sub-su · ch 46/54

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