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Hazel inquired of Jack, for, as if his eyes were magnets, every girl in the group felt they were riveted upon her. "I don't know," replied Jack, "but he seems to be very much interested in someone here. There, he is watching Cora. I wonder who the fellow is?" The curtain rising interrupted the speculation.
With a simple circuit, therefore, between two stations and where an intermediate battery is not necessary, a relay is not used. The arrows indicate the direction of flow. All magnets have two poles, north and south.
Here he not only found the keenest interest and sympathy in his air-castles of invention, but also was given permission to use the cellar of the house as his workshop. For the next three years this cellar was his favorite retreat. He littered it with tuning-forks, magnets, batteries, coils of wire, tin trumpets, and cigar-boxes.
So just after the men came up from below, Bembo singled him out, and gave him such a cursing in his broken lingo that it was enough to frighten one. The convict was the worse for liquor; indeed the Mowree had been tippling also, and before we knew it, a blow was struck by Ben, and the two men came together like magnets.
I presume nobody will question the existence of widely spread popular delusion that every doctor is a titan of science. It is escaped only in the very small class which understands by science something more than conjuring with retorts and spirit lamps, magnets and microscopes, and discovering magical cures for disease.
Inasmuch as unlike poles of magnets are attracted to each other and like poles repelled, it follows that this north pole will be repelled by the north pole of the electromagnet, but will swing over and be attracted by its south pole.
These wires and magnets can be made to attract the little ball into any pocket the operator desires. Each one of the pockets contains an electro-magnet. One set of electro-magnets in the red pockets is connected with one button under the carpet and a set of batteries. The other series of little magnets in the black pockets is connected with another button and the batteries."
This is the "compound-wound" machine, in which the magnets are wound partly in shunt and partly in series with the armature, in such a manner that the strength of the field-magnets and the electromotive force of the current do not vary much, whatever be the number of lamps in circuit.
We have briefly referred to the action of magnets on the muscles in speaking of the physiological phenomena, but they possess other properties which hardly come under that head. They have the power of attracting hypnotised subjects.
An infant and a fireplace act upon each other like magnets; a small boy is always trying to eat a kettle or a piece of coal or the backbone of a herring; a little girl and a slop bucket are in immediate contact; the baby has a knife in its mouth; the twin is on the point of swallowing a marble, or is trying to wash itself in the butter, or the cat is about to take a nap on its face.
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