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Start Over Subjects Preservation, Biological -- methods ✖Remove constraint Subjects: Preservation, Biological -- methods Titles On a mode of giving permanent flexibility to brittle specimens in botany and zoology ✖Remove constraint Titles: On a mode of giving permanent flexibility to brittle specimens in botany and zoology Copyright Public domain ✖Remove constraint Copyright: Public domain

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  • On a mode of giving permanent flexibility to brittle specimens in botany and zoology1