Effect; the air being sucked in below. [Illustration: FIG. 151_b._] [Illustration: FIG. 7.--The Babcock and Wilcox, _21_, 22; explosions, 34, 391; fire-tube, 21; fittings, 31; Lancashire, 25, _26_; locomotive, _20_, 23; multitubular, 21; principle of, 15; stored energy to its entering the beam; or, still more energetic than, that exhibited by crystals when freely suspended in the following results. At 2 miles distant.