...r bulk and burden? Had we not seen them — not smiling-time and time again, spanning the dark Rappahannock?-as in December, 1862, Sumner and Howard launched them from the exposed bank opposite Fredericksburg into the face of Lee's army — vainly opposing, --bridging the river of death, into the jaws of hell! Had we not a little later, a mile below, crowded over the hurriedly laid, still swaying, ...