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By: Nipher, Francis EType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 50Series:Issue: 200Date: 1911Page Range: 397--403Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Nipher, Francis EType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 45Series:Issue: 182Date: 1906Page Range: 77--81Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Nipher, Francis EType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 58Series:Issue: 220Date: 1919Page Range: 236--240Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Nipher, Francis EType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 52Series:Issue: 209Date: 1913Page Range: 283--286Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Nipher, Francis EType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 50Series:Issue: 199Date: 1911Page Range: 316--320Publication Info: Philadelphia, American Philosophical Society,Subjects: