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Scientific American Supplement, No. 467, December 13, 1884
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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Scientific American Supplement, No. 794, March 21, 1891
Various
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Scientific American Supplement, No. 384, May 12, 1883
Various
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Buchanan's Journal of Man, March 1887
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Lippincott's Magazine of Popular Literature and Science, Vol. 20, No. 33, November 1877
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 098, February, 1876
Various
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Appletons' Popular Science Monthly, February 1899
Various
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Scientific American Supplement, No. 417, December 29, 1883
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 12, No. 31, October, 1873
Various
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Proceedings of the California Academy of Sciences, Volume III, 1863-1867
Various
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Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 102, June, 1876
Various
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Lippincott's Magazine of Popular Literature and Science, December 1878
Various
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Lippincott's Magazine of Popular Literature and Science, Vol. XVI., December, 1880.
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 23, February, 1873
Various
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Appletons' Popular Science Monthly, October 1899
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 097, January, 1876
Various
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Scientific American Supplement, No. 344, August 5, 1882
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 22, January, 1873
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 25, April, 1873
Various
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Lippincott's Magazine of Popular Literature and Science, Vol. 22, September, 1878
Various
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Scientific American Supplement, No. 530, February 27, 1886
Various
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