On Electrical Properties of Fumes Proceeding from Flames and Burning Charcoal

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    Abstract

    § I. MANY experimenters have investigated the electrical properties of flames and incandescent solids. The methods usually employed have been(1) to examine the electric conductivity of different parts of the flame;2 (2) to measure the difference of potential between platinum wires in different positions in the same flame;3 (3) to find the leakage of a charged conductor when placed near, or in view of, a flame or an incandescent solid;4 (4) to observe the leakage of a conductor, raised to a red or white heat, by an electric current, and electrically charged while it is surrounded by different gases;5 and (5) to observe the production of electrification or diselectrification by a glowing wire, through which a current is passings in neighbouring insulated conductors separated from it by different gases.6

    References

    1. 1

      Account of experiments in Wiedemann's "Lehre von der Elektricet#228;t," vol. iv. B. Carl's Rep., xvii. pp. 269#x2013;294, 1881. J. J. Thomson, Phil. Mag., pp. 358, 441, 1890.

    2. 2

      Hankel, Phil. Mag., p. 542, December 1851; Phil. Mag., p. 9, January 1860. Elster, and Geitel, Wied. Ann., vol. xvi., 1882; also Phil. Mag., September 1882. Maclean, and Goto, Phil. Mag., August 1890.

    3. 3

      Guthrie, Phil. Mag., p. 308, April 1873. Giese, Wied. Ann., vol. xvii. Schuster, Lecture Royal Institution, February 22, 1895.

    4. 4

      Guthrie, Phil. Mag., p. 237, October 1873.

    5. 5

      Elster, and Geitel, Wied. Ann., xxxvii. p. 315, 1889; Elster, and Geitel, Wied. Ann., xxxviii. p. 27, 1889.

    6. 6

      Kelvin, Maclean, Galt, "Electrification and Diselectrification of Air," Proceedings of the Royal Society, London, vol. lvii., February and March 1895; also B. A. Report. 1895.

    7. 7

      Kelvin, "Electrostatics and Magnetism," #167; #167; 413 414, pp. 332, 333.

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