—, a halo and parhelia, x, 368.f
Lea, M. C., on the first or southern coal field of Pennsylvania, xl, 370.
[Lead,] sheet, Chinese process of making, vii, 391.
—, on the use of the hot blast in smelting, xlii, 169.f
—, action of water on, xxxiv, 25; xlvi, 398.
— in sulphuric acid, test for, xvii, 195.
—, sulphate of, action of some alkaline salts on, J. L. Smith, xlvii, 81.
—, tartrate of, a pyrophorus, ix, 207.
—, native, in Europe, x, 191.
[— mines] of the Hartz, xix, 113.