[22] Journal of the Institution of Electrical Engineers for 1890, pp. 352-4.

[23] “Modern Views,” second edition, p. 359.

[24] Journal of the Institution of Electrical Engineers, 1890, p. 352. See also remarks by Mr. Stroh in two microphone discussions, Journal of the Institution of Electrical Engineers, 1883 and 1887.

[25] Verbally to Section A at Bath, 1888. See also Phil. Mag., August, 1888, p. 229; and The Electrician, Vol. 21, pp. 607-8.

[26] Nature, Vols. 39 and 40.

[27] Nature, Vol. 41, p. 368; or, “Modern Views of Electricity,” second edition, p. 338. [See also Fig. 4], p. 6.

[28] Nature, Vol. 41, p. 295; and Vol. 42, p. 172.

[29] Phil. Mag., March, 1891; also January, 1894.

[30] Wied. Ann., Vol. 40.

[31] Phil. Mag., January, 1894.