— —, obtained free from carbonic acid, J. D. Mitchell, xxv, 344.
— —, free from carbonic acid, on Prof. Mitchell's mode of preparing, L. D. Gale, xxvii, 129.
— —, method of separating carbonic acid from, R. Hare, xxiv, 252.f
— —, disease attributed to, in a manufactory, vi, 199.
Carbonicometer, by R. Hare, xii, 48.f
Carboniferous formation, see under [Coal].
Carburet of sulphur decomposed by weak electric action, xviii, 153.
Carburetted hydrogen, combinations of, M. Dumas, xxiii, 377.
— —, in balls of carbonate of lime, xlii, 214.
— —, source of, in N. York state, xv, 236.