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Updated: May 11, 2025
This is a small closed iron core transformer of peculiar design and having a primary and a secondary coil wound on it. This device is used to control the variations of the oscillating currents that are set up by the oscillator tube. It is made in three sizes and for the transmitter here described you want the smallest size, which has an output of 1/2 to 1-1/2 amperes. It costs about $10.00.
At this it suddenly jerked up its head, but without taking in any of its coils above; and with jaws agape and tongue protruding, it commenced oscillating around as if trying its range, and ready to pounce upon any creature that came within the radius of that wide circle of which its forked tongue was describing the circumference.
And then we stood on a high platform surrounded by handles, switches, signals apparatus enough to put all New York into darkness, or to annihilate it in an instant by the unloosing of terrible cohorts of volts! and faced an enormous white hall, sparsely peopled by a few colossal machines that seemed to be revolving and oscillating about their business with the fatalism of conquered and resigned leviathans.
She saw them looming mystically through the skylight, the swaying forms below, in their white grave-clothes, oscillating weirdly backwards and forwards, bowed as by a mighty wind. Suddenly there fell a vast silence; even from without no sound came to break the awful stillness. It was as if all creation paused to hear a pregnant word.
The water roared in his ears like the voice of Niagara, yet he heard the dulled thunder of the volley and, rising again toward the surface, met shining bits of metal, singularly flattened, oscillating slowly downward. Some of them touched him on the face and hands, then fell away, continuing their descent. One lodged between his collar and neck; it was uncomfortably warm and he snatched it out.
'My dear boy, said Solomon, who, with his spectacles on his forehead and the great chronometer in his pocket, was incessantly oscillating between Florence on the sofa, and his nephew in all parts of the parlour, 'it's the most extraordinary 'No, but do, Uncle, please do, Miss Florence dinner, you know, Uncle.
The valley was swinging swinging in slow broad curves; was oscillating dizzily. Slowly the colossal wall slipped upward. Realization swept me; left me amazed; only half believing. This was no illusion. After that first swift plunge our fall had been checked. We were swinging not the valley.
The reason a vacuum tube detector is more sensitive than a crystal detector is because while the latter merely rectifies the oscillating current that surges in the receiving circuits, the former acts as an amplifier at the same time.
When it is added that the author's model and, so to speak, the only Greek historian familiar to him was Clitarchus, the author of a biography of Alexander the Great oscillating between history and fiction in the manner of the semi- romance which bears the name of Curtius, we shall not hesitate to recognize in Sisenna's celebrated historical work, not a product of genuine historical criticism and art, but the first Roman essay in that hybrid mixture of history and romance so much a favourite with the Greeks, which desires to make the groundwork of facts life-like and interesting by means of fictitious details and thereby makes it insipid and untrue; and it will no longer excite surprise that we meet with the same Sisenna also as translator of Greek fashionable romances.
To an American this attitude of oscillating reserve seemed more eccentric than the reckless hostility of Brougham or Carlyle, and more mischievous, for he never could be sure what preposterous commonplace it might encourage. The sum of these experiences in 1863 left the conviction that eccentricity was weakness. The young American who should adopt English thought was lost.
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