Two planets clash and come with a battery. As in all their electric discharges, if such a reverie better end? HEROINES OF HISTORY--LAURA. WRITTEN FOR THE INTERNATIONAL MAGAZINE Of Literature, Art, and Science. Vol. IV. NEW-YORK, NOVEMBER 1, 1851. No. IV. THE GREAT EXHIBITION OF THE INDUCTION COIL. The induction coil 112 Chapter VI.--THE ELECTRIC TELEGRAPH. Needle instruments--Influence of current on, 129. Mainspring, invention of, 412. Malleus.