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By: Houston, Edwin J. (Edwin James), - Thomson, Elihu,Type: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 18Series:Issue: 102Date: 1878Page Range: 58--61Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Thomson, Elihu,Type: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 46Series:Issue: 185Date: 1907Page Range: 124--137Publication Info: Philadelphia, American Philosophical Society,Subjects: