ing ct Fig. 2.—FORM FOR COILS. connected with the outer end of the other, and the re- maining ends are connected with a battery. To give the coils a finished appearance, they may be coated with shellac varnish, colored with a pigment of Probably the best battery for use in connection with this… … of the magnet, and two mortised heads, C D, fitted to In November of last year a force of men was sent the bar with a space of 434 inches between them. The Fig. 3—FOUCAULT’S EXPERIMENT. head, D, is provided with a screw for clamping the aboard of the City of Newcastle to extinguish a fire in wedge…
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