—, on phosphuret of lime, xlix, 193.
Theodolite, Hassler's repeating, xvi, 252.f
Theory of the universe, P. E. Morin, xxxi, 160.
— of a resisting medium, examination of, xxxiii, 1.
Thermal spring, see [Spring.]
[Thermo-electricity,] xxv, 271; xxx, 181.
Thermo-electrical battery, J. Locke, xxvi, 214.
— experiments on metals, J. Locke, xxvi, 381.
— piles of Nobili, new, xxviii, 397.
Thermo-magnetism, a law of, regarding metals unequally heated, &c., J. P. Emmet, xxvi, 311.