— - —, —, on the cause of voltaic currents in, xxvi, 23.f

— - —, R. Hare's experiments, viii, 145.

— - —, R. Hare's experiments, in confirmation of Henry's, xx, 143.

— - —, M. Jacobi on, as a moving power, xl, 339.

— - —, —, ibid, laws of, xl, 340.

— - —, G. Moll's experiments in, xix, 329.

— - —, — experiments to determine how far galvanic surfaces could be diminished and retain magnetic power, xxvi, 177.

— - —, C. G. Page's experiments on the application of, as a moving power, xxxiii, 118, 190f; xxxv, 106.

— - —, M. Pixii's experiments in, xxiv, 144, 146f, 196.

— - —, J. B. Zabriskie, on the induction of metallic coils, xxxii, 308.f