International Weekly Miscellany of Literature, Art and Science — Volume 1, No. 2, July 8, 1850

Scientific American Supplement, No. 392, July 7, 1883

McClure's Magazine December, 1895

International Weekly Miscellany of Literature, Art and Science - Volume 1, No. 8, August 19, 1850

Lippincott's Magazine Of Popular Literature And Science, Old Series, Vol. 36—New Series, Vol. 10, July 1885

Scientific American Supplement, No. 829, November 21, 1891

Scientific American Supplement, No. 717, September 28, 1889

McClure's Magazine, Vol. 1, No. 6, November 1893

Appletons' Popular Science Monthly, January 1899 Volume LIV, No. 3, January 1899

Graham's Magazine, Vol. XVIII, No. 2, February 1841

Graham's Magazine, Vol. XIX, No. 3, September 1841

Philosophical transactions, Vol. L. Part I. For the year 1757. Giving some account of the present undertakings, studies, and labours, of the ingenious, in many considerable parts of the world.