— induction, J. P. Emmet, xxvi, 23.f
— lamp, an improvement in, J. Cutbush, ii, 332.
— light, transmission of, through metals of different conducting powers, J. Thomas, xxxiv, 205.f
— —, daguerrotype experiment by, B. Silliman, Jr. and W. H. Goode, xliii, 185.
— multiplier, see [Galvanometer.]
— music, production of, C. G. Page, xxxii, 396; xxxiii, 118.
— phenomenon, attending the soldering of water pipes in New York city, xvii, 194.
— protection by the contact of heterogeneous metals, xvi, 263.
— trough, Watkins's, xvi, 215.
[Galvanism,] anthracite a conductor of, v, 200.