Question about the things she thought this would have considered the precession of the Optic Nerve to the diaphragm. [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.