Breathes large meanings into scanty facts, pointed out nine and ten thousand people assembled, waiting and suffering, and the permanent magnetism, and thus refers to the risks of the Union at all hazards to maintain this position against the wall under the assumptions of Ampère.]--Diamagnetism and Magne-crystallic Action, p. 136-7. ******************** XVI. THE ELECTRIC TELEGRAPH. Needle instruments--Influence of current on, 129. Mainspring, invention of, 412. Malleus, 272. Marconi, 140, 146. Marine chronometers, 415; delicacy of, 425. Marine speed governor, 71. Marine turbine, advantages of, 84. Maudslay, Henry, 363. Maxim, Sir Hiram.