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Scientific American 1921-01-01

ScientificAmerican1921-01-01.jpg Scientific American 1920-12-25ThumbnailsScientific American 1921-01-08Scientific American 1920-12-25ThumbnailsScientific American 1921-01-08Scientific American 1920-12-25ThumbnailsScientific American 1921-01-08Scientific American 1920-12-25ThumbnailsScientific American 1921-01-08

Exploring the ocean bottom with the deep-sea sounding equipment. Also: "Automotive milestones" and "where is that rattle?"




This magazine is still being published! You can subscribe to SCIENTIFIC AMERICAN, or to SCIENTIFIC AMERICAN MIND. You should also look at the books they have published.