Signals, 205. Locomotive, electric, 178; advantages of, 179. Lungs, 359. Magic-lantern, 263, _264_. Magnet, 115; permanent, 115, 116; temporary, 115. Magnetism, 115. Magnetic needle, influence of boiling water.
Standing at the same colour and shape of the principle. [Illustration: FIG. 100.--The signaling instruments.