Quarterly Journal of Science, vol. xii, p. 420.

It was ascertained experimentally, that if a strong current was passed through the galvanometer only, and the needle restrained in one direction as above in its natural position, when the current was stopped, no vibration of the needle in the opposite direction took place.

Recueil d'Observations Electro-Dynamiques, p. 285.

Philosophical Transactions, 1823, p. 155.

Philosophical Magazine, 1824, vol. lxiii. p. 241; or Silliman's Journal, vol. vii. See also a previous paper by Dr. Hare, Annals of Philosophy, 1821, vol. i. p. 329, in which he speaks of the non-necessity of insulation between the coppers.

The papers between the coppers are, for the sake of distinctness, omitted in the figure.

A single paper thus prepared could insulate the electricity of a trough of forty pairs of plates.

Gay-Lussac and Thenard, Recherches Physico-Chimiques, tom. i. p. 29.

Gay-Lussac and Thenard, Recherches Physico-Chimiques, tom, i. p. 20.

Gay-Lussac and Thenard, Recherches Physico-Chimiques, tom. i. pp. 13, 15, 22.