[43] Magnetic Induction, 1900, 222.

[44] Phys. Rev., 1904, 18, 432.

[45] Phil. Mag., 1886, 22, 50.

[46] Ibid. 251.

[47] Phil. Mag., 1891, 32, 383.

[48] C.R., 1896, 122, 1192; 1898, 126, 463.

[49] Phil. Mag., 1889, 27, 117.

[50] Journ. Coll. Sci. Tokyo, 1904, 19, art. 9.

[51] Phil. Mag., 1905, 10, 548; Tokyo Phys.-Math. Soc. Rep., 1904, 2, No. 14; Journ. Coll. Sci. Tokyo, 1905, 20, art. 6.

[52] C.R., 1888, 106, 129.