There are three primary kinds of magnets: the lodestone or natural magnets, the artificial or permanent steel magnet, and the electric magnet.
The properties of the lodestone and the permanent magnet have been known for thousands of years, while the electric magnet is a comparatively recent discovery.
She returned to the boulder, swathed the lodestone in the red headcloth and, lodestone and cloth in hand, bore them back across the beach.
During the dark ages pieces of Lodestone mounted as magnets were employed in the "black arts.
We are told by other writers that images of the gods and goddesses were suspended in the air by lodestone in the ceilings of the temples of Diana of Ephesus, of Serapis at Alexandria, and others.
The magnetism of the earth is such as might be produced by a powerful magnet inside, but its origin is unknown, although there is reason to believe that masses of lodestone or magnetic iron exist in the crust.
You may test this in the following manner: A round lodestone on which the poles are marked is placed on two sharp styles as pivots having one pivot under each pole so that the lodestone may easily revolve on these pivots.
From all these considerations, it is clear that the poles of the lodestone derive their virtue from the poles of the heavens.
A needle or an elongated piece of iron is then placed on top of the lodestone and a line is drawn in the direction of the needle or iron, thus dividing the stone into two equal parts.
Hence it is most silly to imagine that thelodestone should come to us from such places.
The same thing will occur when the south end of the lodestone is brought near the south pole of the iron.
But these invariably failed to notice that by means of the virtue or power of the lodestone all difficulty can be overcome.
Therefore on this dear one dead, On this pallid corse laid low, Lying bathed in blood and snow, By this lifeless lodestone led, I such bitter tears shall shed, That my grief .
These hosts are the lodestone of the hearts of men and the effective means for unlocking doors.
This Revelation is endowed with such a power that it will act as the lodestone for all nations and kindreds of the earth.
Verdun was never taken, but it always lured the enemy on--the lodestone of the charnel house.
One is tilted out of time by the huge weight on the other end of the plank, and it would be easy to imagine someone who had no insoluble ties killing himself here, drawn by the lodestone of death.
Bacon further remarks, by way of corroboration, that if a strip of iron be floated in a basin, the end that was touched by the lodestone will follow the stone, while the other end will flee from it as a lamb from the wolf.
Of like fabulous character is the oft-repeated story about Mahomet, that an iron sarcophagus containing his remains was suspended by means of the lodestone between the roof of the temple at Mecca and the ground.
This brief summary shows the great advance made by the author on what was known about the lodestone before his time.
He brings the magnetized bars in turn near a compass-needle and concludes that the magnet or the lodestone which is able to make the needle go round is the best and strongest.
He shows how a pole of a lodestone may neutralize a weaker one of the same name and even reverse its polarity.
Elsewhere he condemns prescriptions of lodestone as "an evil and deadly advice" and as "an abominable imposture.
The ancients spoke of the lodestone as the Magnesian stone, from its being found in abundance in the vicinity of Magnesia, a city of Asia Minor.
The lodestone was well known even before Plato and Aristotle, and is described by Theophrastus (see Note 10, p.
People even told Columbus not to sail out of sight of land because a giant lodestone was just over the horizon waiting to pull all the nails out of his ships.
They found that if you hung a lodestone by a string, one end of the stone would always point in the direction of the North Star.
Illustration: Like a lodestone drawn to a magnet, the tiny golden statue leaped from his hand and darted toward its huge counterpart.
As Jake reached the statue, the little golden replica of the life-sized woman of gold seemed to leap out of his reaching hands, and clung against the metallic waist of the golden woman as a lodestone to the mother lode.
That, forsooth, some of the particles that flow from the lodestone collide with the iron and then rebound back, and that it is by these that the iron becomes suspended?
Chapter VII In the last resort, the ultimate living elements (Erasistratus's simple vessels) must draw in their food by virtue of an inherent attractive faculty like that which the lodestone exerts on iron.
Strangest of all is his attempt to prove that the same principle of specific attraction by which the ultimate tissues nourish themselves (and the lodestone attracts iron!
We must understand that there are two kinds of attraction, that by which a vacuum becomes refilled and that caused by appropriateness of quality;[392] air is drawn into bellows in one way, and iron by the lodestone in another.
And Coconnas set forth for the Rue de l'Arbre Sec, where the sign of La Belle Etoile like a lodestone attracted him.
Iron is not the lodestone; but by rubbing it with a lodestone we make it, in its turn, attract iron.
The earliest allusion to the power of the lodestone in Chinese literature occurs in a Chinese dictionary, finished in A.
He quotes a passage on the polarity of the lodestone from a treatise translated by Albertus Magnus, attributed by the latter to Aristotle, but apparently only an Arabic compilation from the works of various philosophers.
The Romans had discovered that the lodestone would attract iron, though a stone wall intervened.
It was supposed that needles which had been touched by the same lodestone were sympathetic, and that if both were free to move one would imitate the movements of another, though they were at a distance.
They were fond of mounting a bit of iron on a cork floating in a basin of water and watch it follow the lodestone held in the hand.
On the particular afternoon when this important match was to be played, Todd had strolled off to the Lodestone stream, laden with all the necessary tackle for the slaying of a few innocent perch.
This couple of ornaments had immediately after dinner snatched their caps and ran on past the Lodestone Farm for a particular purpose.
An old darky dat has faith in lodestone for de charm told me de 'sperience he has in Atlanta once.
Some folks won't think for a minute of goin' without lodestone or de salt and pepper mixture in de little sack, tied round dey neck.
It was supposed by Porta and others after him that two similar needles touched by the same lodestone were sympathetic, so that, although far apart, if both were freely balanced, a movement of one was imitated by the other.
These properties of amber and lodestone appear to have been widely known.
However this may be, we are told that Thales of Miletus attributed the attractive properties of the amber and the lodestone to a soul within them.
During the dark ages the mystical virtues of the lodestone drew more attention than those of the more precious amber, and interesting experiments were made with it.
Lodestone was probably known in China before the Christian era.
A Greek legend tells us that the lodestone was discovered by Magnes, a shepherd who found his crook attracted by the rock.
One of their experiments was to float a needle on a piece of cork, and make it follow a lodestone held in the hand.
It was known to the ancients at least 600 years before Christ, that a piece of amber when excited by rubbing would attract straws, and that a lump of lodestone had the property of drawing iron.
This arrangement was perhaps copied from the compass of the Phoenician sailors, who buoyed a lodestone and observed it set towards the north.
If it is to tell you the truth you must keep the lodestone away from the needle.
He took a lodestone out of his pocket and holding it near the compass moved it back and forth.
You see all ways are north when you put this lodestone near the needle," he went on.
There the lodestone is selfishness, and with its help you can make any direction look right to you and soon--you're lost.
As we carried the bags to the attic room I thought of the lodestone and the compass and knew that Mr. Wright had foreseen what was likely to happen.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "lodestone" in a variety of sentences. We hope that you will now be able to make sentences using this word.
