Enquire within upon everything by Robert Kemp Philp

979. _Why does the Rise of the Barometer denote the Approach of Fine

Weather?_ Because the external air, becoming dense, and free from highly elastic vapours, presses with increased force upon the mercury upon which the weight floats; that weight, therefore, sinks in the short tube as the mercury rises in the long one, and in sinking, turns the hand to Change, Fair, &e.