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It would not be safe to employ this strange force without the protection of glass barriers to hedge in its dangerous current. Glass, as you probably know, is a non-conductor of electricity, and whenever we wish to confine its power and prevent it from doing harm we place a layer of glass between it and the thing to be protected. The glass checks the progress of the current.
The wire windings of an electro-magnet are always insulated; wound with a non-conductor, like silk or cotton; so that the coils may not touch each other in the winding and thus permit the current to run off through contact by the easiest way, and cut across and leave most of the coil without a current.
If in any doubt, it is always best to consult a doctor; do not allow your ignorance to make you a non-conductor. Learn how to sterilize milk, and teach the mother; show her the importance of feeding at regular intervals, and impress upon her that small children should never have stimulants, greasy food, green fruit, or cakes, nuts, and candies.
Felt is an admirable non-conductor of heat, but owing to its combustible nature it is quite unreliable when subject to the heat of a high pressure of steam. A large fragment of this material which had been taken off the boiler of a North River steamboat was exhibited at the meeting, scorched and charred as if it had been exposed to the direct action of fire.
The thorax and organs cramped and lifted by pressure of the clothing. No clothing, of course, not even fur, has any warmth in itself; it simply has the power of retaining, or keeping in, the warmth of the body that it covers. The best and most effective way of retaining the body warmth is to surround the body with a layer of dead, or still, air, which is the best non-conductor of heat known.
"That came at a dramatic moment," he said. "Too bad it could not let you pass without giving you a quake!" "I am not a bit afraid." "Ah, but I can read your thoughts. There is a bond of sympathy between us." "Hemp is a non-conductor." "You are willfully misunderstanding me," he retorted. "No. I honestly believed you felt the rope quiver a little." "Alas! it is the atmosphere.
She was proud of Verena's brightness, and of her special talent; but the commonness of her own surface was a non-conductor of the girl's quality. Therefore she thought that it would add to her success in life to know a few high-flyers, if only to put them to shame; as if anything could add to Verena's success, as if it were not supreme success simply to have been made as she was made. Mrs.
An electric arc begins to spread out as the density of the air decreases, and presently it is extinguished. An induction spark that will jump two or three feet in air cannot be made to bridge the tenth of an inch in an ordinary vacuum. A vacuum is a perfect non-conductor of electricity.
Forthwith the thralldom was broken, we hope never again to be felt. How demeaning that a man with a message from the Lord Almighty should be dependent upon paper-mills and gasometers! Paper is a non-conductor of gospel electricity.
Always handle any positively electrical body, whether it is charged with passion or power, with some non-conductor between you and it, not with your naked hands. The above were some of the young gentleman's working axioms; and he proceeded to act in accordance with them. He began by paying his court more assiduously to his uncle.
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