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Lippincott's Magazine of Popular Literature and Science, Vol. 22, September, 1878
Various
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Philosophical transactions, Vol. L. Part I. For the year 1757.
Various and Royal Society
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Appletons' Popular Science Monthly, March 1900
Various
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Scientific American Supplement, No. 324, March 18, 1882
Various
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Scientific American Supplement, No. 417, December 29, 1883
Various
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Appletons' Popular Science Monthly, March 1899
Various
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Scientific American, Volume 56, No. 9, February 26, 1887
Various
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Scientific American Supplement, No. 492, June 6, 1885
Various
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The American Journal of Science and Arts, Volume 50 (First Series)
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 26, September, 1880
Various
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Buchanan's Journal of Man, June 1887
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Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 098, February, 1876
Various
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Lippincott's Magazine of Popular Literature and Science, Vol. 20, August 1877
Various
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Scientific American Supplement, No. 514, November 7, 1885
Various
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Scientific American Supplement, No. 794, March 21, 1891
Various
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Scientific American Supplement, No. 488, May 9, 1885
Various
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Scientific American Supplement, No. 299, September 24, 1881
Various
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Scientific American Supplement, No. 613, October 1, 1887
Various
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Lippincott's Magazine of Popular Literature and Science, December 1878
Various
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Scientific American Supplement, No. 460, October 25, 1884
Various
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The Popular Science Monthly, September, 1900
Various
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Buchanan's Journal of Man, May 1887
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Scientific American, Volume 17, No. 26 December 28, 1867
Various
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Scientific American Supplement, No. 799, April 25, 1891
Various
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Scientific American Supplement, No. 433, April 19, 1884
Various
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