Science: Lake

Can mankind break the grip of the Arctic? Simon Lake, famed inventor of submarine craft, turned his attention to this question and last week propounded part of an answer.

He has created "a new type of submersible vessel designed to navigate under ice. This invention consists of a superstructure for a cargo-carrying vessel by which its navigator, upon encountering ice-covered or ice-filled waters, may submerge and run beneath the ice, then rise to the surface, breaking up the ice, and thus open a path for continued surface navigation.

"A resident of Baltimore, Simon, who is...

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