References in classic literature ?
He was wholly absorbed in the making of a nondescript machine, a sort of crude harmonica with a clock-spring reed, a magnet, and a wire.
Already, for half a year or longer, Bell had known the correct theory of the telephone; but he had not realized that the feeble undulatory current generated by a magnet was strong enough for the transmission of speech.
If a tuning-fork could be made to sing by a magnet or an electrified wire, why would it not be possible to make a musical telegraph--a telegraph with a piano key-board, so that many messages could be sent at once over a single wire?
For which the astronomers (who have written large systems concerning the stone) assign the following reason: that the magnetic virtue does not extend beyond the distance of four miles, and that the mineral, which acts upon the stone in the bowels of the earth, and in the sea about six leagues distant from the shore, is not diffused through the whole globe, but terminated with the limits of the king's dominions; and it was easy, from the great advantage of such a superior situation, for a prince to bring under his obedience whatever country lay within the attraction of that magnet.
If it was done with the schoolboy's magnet, I suppose it was done by the schoolboy.
He was the only person who could use the magnet," replied Fisher.
Harold March frowned at the tablecloth; then, after an interval, he said: "I think I understand your notion of how the thing was actually done; according to that, Morris just made a hole and fished it up with a magnet at the end of a string.
That," said the Shaggy Man, impressively, "is the wonderful Love Magnet.
This, my dear," said he, impressively, "is the wonderful Love Magnet.
So he gave me the Magnet and the very next day a grizzly bear ate him.
We learn first to play with it academically, as the magnet was once a toy.
But supposing all these conjectures to be false, you cannot contest the inestimable benefit which I shall confer on all mankind, to the last generation, by discovering a passage near the pole to those countries, to reach which at present so many months are requisite; or by ascertaining the secret of the magnet, which, if at all possible, can only be effected by an undertaking such as mine.