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Updated: May 9, 2025
Screw the end of a piece of heavy copper wire to the lower post of the arrester and run it to the ground, on porcelain knobs if necessary, and solder it to an iron rod or pipe which you have driven into the earth. Run a wire from the top post through the leading-in insulator and connect it with the slider of your tuning coil. A Two-wire Aerial.
This is done by means of an insulating tube known as a leading-in insulator, or bulkhead insulator as it is sometimes called. As a protection against lightning burning out your instruments you can use either: an air-gap lightning arrester, a vacuum tube protector, or a lightning switch, which is better.
Screw the end of a piece of heavy copper wire to the lower post of the arrester and run it to the ground, on porcelain knobs if necessary, and solder it to an iron rod or pipe which you have driven into the earth. Run a wire from the top post through the leading-in insulator and connect it with the slider of your tuning coil. A Two-wire Aerial.
It was tremendous labor, and he knew he would need all the strength he had left to reach the shack, but in the meantime this did not count. Getting home was a problem that must be solved after the line was mended. At length he reached the spot he had fixed upon, fastened the wire to the insulator, and lifted the top of the post a few feet.
Possibly it was because they didn't have the insulation necessary to keep down the corona effect; in a high-density current, the electrons tend to push each other sideways out of the wire. "At any rate, I tried it, using lux metal as an insulator around the wire." "Hold it!" Fuller interrupted. "What, may I ask, is lux metal?" "That was Wade's idea," Arcot grinned.
This is done by means of an insulating tube known as a leading-in insulator, or bulkhead insulator as it is sometimes called. As a protection against lightning burning out your instruments you can use either: an air-gap lightning arrester, a vacuum tube protector, or a lightning switch, which is better.
What more natural than for a hostess to be seated while her guest made his call and what more fortunate than the fact that the telephone wire passed over the arm of the sofa on its way to the insulator in the floor. The snip of the scissors as she cut the wire was quite inaudible because of the good lady's flow of remarks on the subject of telephony.
Equipped with substantial iron poles throughout, and with every insulator covered with an iron cap in countries where the half-civilized natives are wont to do them damage, this line runs through the various countries of Europe and Asia to Teheran, Persia, where it joins hands with the British Government line to India.
But first I must get my notes, and the model." As Georg went to the door, something in his attitude made us all start to our feet and follow him. No alarm from the insulator had come, yet for myself I had not forgotten that Venus girl outside. Georg was at the door, tense as though to spring forward as soon as he opened it. I was close behind him. "What " "Wait, Jac! Quiet!
The effect of the apparatus is enhanced by interpolating a "condenser" C C in the primary circuit. A condenser is a form of Leyden jar, suitable for current electricity, and consists of layers of tinfoil separated from each other by sheets of paraffin paper, mica, or some other convenient insulator, and alternate foils are connected together.
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