[1] See also ‘Scientific American,’ 5th April, 1879, p. 212.
[2] Avernarius, Centralblatt für Elektrotechnik, vol. iii. p. 323.
[3] At that time a customary and very characteristic expression.
[4] Comptes Rendues, 1881, p. 872.
[5] The ‘Electrical Engineer,’ 17th Feb., 1888.
[6] La ‘Lumière électrique,’ vol. xvii. p. 145—148, 1885.
[7] La ‘Lumière électrique,’ vol. x. p. 496, 1883.
[8] La ‘Lumière électrique,’ vol. xiv. p. 45.
[9] ‘Electricien,’ 7th March, 1885.
[10] ‘Natura,’ 25th January, 1885, p. 60.