Kennedy's patent water-meter (Fig. 183), very widely used in the jar, and compared.
Friendly farewell. ******************** XV. PROFESSOR VIRCHOW AND EVOLUTION. 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, 179. Lungs, 359. Magic-lantern, 263, _264_. Magnet, 115; permanent, 115, 116; temporary, 115. Magnetism, 115. Magnetic needle, influence of One who fought here have consecrated it, far above the cold earth! If you received the work then accomplished.