Biodiversity Heritage Library · page-23511428
Modern science problems; a textbook in general science — Illustration, Page 252
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BHL classifies this scanned page as Illustration. Publication: Modern science problems; a textbook in general science. Publication creators (not identified as the page's illustrator): Obourn, Ellsworth Scott, 1897-; Heiss, Elwood D. 1899-. Contributing institutions: Prelinger Library. Bibliographic metadata supplied by BHL under CC0; image rights are separate.
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1936. Modern science problems; a textbook in general science — Illustration, Page 252. https://www.biodiversitylibrary.org/page/23511428
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