— —, on the means of taking, R. Hare, xi, 121.f
— —, a new instrument for, F. H. Baddely, xviii, 263.f
— — of gases, a modification of the method for ascertaining, R. Hare, xvi, 293.
— — —, T. Thomson's method of taking, ii, 362.
— — of nitrogen, oxygen, chlorine, and of the vapors of carbon, sulphur, arsenic and phosphorus, xxxv, 298.
— — of various minerals, A. Breithaupt, xxxi, 268.
— — of seawater, v, 129.
— heat of the gases, notice of de la Rive's and Marcet's memoir on, xiii, 394.
— — of certain solids, method of determining, xxvii, 267.
Spectacle glasses, manufactory of, xxvii, 80.