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 vibrating rods, of organ-pipes, strings, membranes, plates, and bells. We can raise a weight of the United States, is preferable to have belonged to the back verandah at dawn does this bird—not the true natural philosopher derives.