STORIES FROM PHYSICS
CHAPTER I
the magnet
1
IN days of old there was a shepherd whose name was Magnis. One of Magnis's sheep went astray. He went to the mountains to search for it.
He reached a spot where there were only bare rocks. As he walked over these rocks he began to be conscious that his boots were adhering to them. He felt of them with his hand; the rocks were dry, and did not stick to his hands. He started to to walk on again; still his boots stuck fast.
He sat down, took off one of his boots, and holding it in his hands, began to touch the rocks with it. When he touched them with the leather or the sole, it did not adhere; but when he touched them with the nails, then it adhered.
Magnis had a crook with an iron point. He touched the stones with the wood, it did not adhere; but when he touched it with the iron, it clung so powerfully that he had to pull it away by main force.
When Magnis examined the stone, he' saw that it was like iron, and he carried some of the pieces of rock home with him. From that time they understood this stone, and called it lodestone, or magnet.
2
Magnets are found in the ground, together with iron ore. The best iron is found when the ore contains lodestone.
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