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Appletons' Popular Science Monthly, March 1899
Various
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Scientific American, Volume XLIII., No. 25, December 18, 1880
Various
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Appletons' Popular Science Monthly, February 1899
Various
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Buchanan's Journal of Man, March 1887
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International Weekly Miscellany of Literature, Art and Science — Volume 1, No. 3, July 15, 1850
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 22. July, 1878.
Various
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Scientific American, Volume 22, No. 1, January 1, 1870
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 12, No. 31, October, 1873
Various
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Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878
Various
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Appletons' Popular Science Monthly, November 1898
Various
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Buchanan's Journal of Man, February 1887
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Scientific American Supplement No. 822, October 3, 1891
Various
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The Scientific Monthly, October to December, 1915
Various
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Proceedings of the California Academy of Sciences, Volume III, 1863-1867
Various
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Scientific American Supplement, No. 530, February 27, 1886
Various
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International Weekly Miscellany of Literature, Art and Science - Volume 1, No. 7, August 12, 1850
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 098, February, 1876
Various
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Scientific American Supplement, No. 441, June 14, 1884.
Various
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Scientific American Supplement No. 819, September 12, 1891
Various
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The Edinburgh New Philosophical Journal, Vol. XLIX
Various
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The Popular Science Monthly, July, 1900
Various
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Scientific American Supplement, No. 460, October 25, 1884
Various
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Scientific American Supplement, No. 795, March 28, 1891
Various
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Scientific American Supplement, No. 421, January 26, 1884
Various
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Lippincott's Magazine of Popular Literature and Science, December 1878
Various
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