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Description
Roman Vegetius' impractical vision of a leather helmet and umbilical for war. (Image credit: OAR/National Undersea Research Program (NURP); Smithsonian Institution)
Credit
OAR/National Undersea Research Program (NURP); Smithsonian Institution
Collection
Voyage to Inner Space
National Undersea Research Program (NURP) Collection
Graphics
Systems
Keywords
Graphics
Systems