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Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 100, April, 1876
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 20. July, 1877.
Various
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Lippincott's Magazine of Popular Literature and Science, October, 1877. Vol XX - No. 118
Various
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Scientific American Supplement, No. 664, September 22,1888
Various
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Scientific American Supplement, No. 821, September 26, 1891
Various
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International Weekly Miscellany of Literature, Art and Science — Volume 1, No. 2, July 8, 1850
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 22. October, 1878.
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 27, June, 1873
Various
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Appletons' Popular Science Monthly, April 1899
Various
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Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 22. July, 1878.
Various
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Lippincott's Magazine of Popular Literature and Science, Vol. 22, August, 1878
Various
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Lippincott's Magazine of Popular Literature and Science, Vol. 12, No. 32, November, 1873
Various
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Scientific American Supplement, No. 623, December 10, 1887
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 15, No. 85, January, 1875
Various
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Scientific American, Volume XLIII., No. 25, December 18, 1880
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 26, September, 1880
Various
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Lippincott's Magazine of Popular Literature and Science, Vol. 26, August, 1880
Various
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Scientific American Supplement, No. 1082, September 26, 1896
Various
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The Popular Science Monthly, October, 1900
Various
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Philosophical transactions, Vol. L. Part I. For the year 1757.
Various and Royal Society
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Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 102, June, 1876
Various
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International Weekly Miscellany of Literature, Art and Science - Volume 1, No. 5, July 29, 1850
Various
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Scientific American, Volume 17, No. 26 December 28, 1867
Various
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Lippincott's Magazine of Popular Literature and Science, December 1878
Various
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