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Platinum is non-magnetic. It is simply a soft iron hollow ball, plated with platinum. Whichever set of electro-magnets is energized attracts the ball and by this simple method it is in the power of the operator to let the ball go to red or black as he may wish. Other similar arrangements control the odd or even, and other combinations from other push buttons.
The valve, A, is operated automatically by the following arrangement: A mariner's compass, P, placed in the head of the torpedo has its needle connected to one pole of a powerful battery, D. A dial of non-magnetic material marked with the points of the compass is capable of being rotated by the connections shown.
In July 1828, after being adopted by the excited town of Nuremberg, he was sent to be educated by and live with a schoolmaster named Daumer, and was studied by Feuerbach. His experiments have never, perhaps, been successfully repeated, though hysterical persons have pretended to feel the traditional effects, even when non-magnetic objects were pointed at them.
Nadia's voice came clearly in his ears. "I'll say I have! A hunk of solid, non-magnetic metal about the size of an office desk. I can't break off any of it, so I guess we'll have to grab the whole chunk." He hitched the end of his cable around the nugget, made sure that the loops would not slip, and then, as Nadia tightened the line, he shoved mightily. "All x, Nadia, she's coming!
He found upon trial that the meteorites in his possession were non-magnetic, or, practically so. If these, being pieces of the larger meteorite which was buried in the hole, were non-magnetic, all of it must be non-magnetic, which would account for the failure of the needle to act or manifest any magnetic attraction in the greater test. Mr.
Hence, their trajectory is altered, and they fall on the right-hand side of the partition in the bin, while the non-magnetic portion of the stream continues in a straight line and falls on the other side, thus effecting a complete separation. This simple but effective principle was the one employed by Edison in his great concentrating plant already described.
The arrow, which should be of some light non-magnetic material, such as cardboard or wood, carries on its lower side, near the point, a piece of soft iron. Under the path of this piece is a ring of equally spaced magnets, their number equaling that of, the segments on the vane. In order to ascertain the quarter of the wind, the switch is closed.
William Gilbert court physician to Queen Elizabeth, and the Father of modern electricity that the magnetic properties of iron diminish with heat. At a light-red heat, iron becomes non-magnetic, so that a strong magnet exerts no influence over it. Edison employed this peculiar property by constructing a small machine in which a pivoted bar is alternately heated and cooled.
He came back. As he came, he wound something into a little coil. It was the silicon bronze mainspring of his non-magnetic watch. He held it for her to see and put it in his pocket. "I know what the terror beam is for what good it'll do!" he said bitterly. "It's a beam of radiation on the order of radar, and for that matter X-rays and everything else.
By the use of powerful electro-magnets, the poles of which are brought to a point or to a nearly sharp knife-edge, the intensity of the magnetic field can be so enormously increased that even minerals which are only feebly magnetic can readily be separated by being lifted away from the non-magnetic material.
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