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It follows, therefore, that the destructive work of earthquakes is mainly performed in that part of the field where the motion is, as regards its direction, between the vertical and the horizontal a position in which the edifice is likely to receive at once the destructive effect arising from the sharp upward thrust of the vertical movement and the oscillating action of that which is in a horizontal direction.
There is a strikingly close resemblance between sound waves and the way they are set up in the air by a mechanically vibrating body, such as a steel spring or a tuning fork, and electric waves and the way they are set up in the ether by a current oscillating in a circuit.
They did so, working silently and with difficulty; for the car was oscillating so greatly that they were obliged to hold on, by its side, not to be thrown out. The descent was less rapid than it had been, but was still sufficiently alarming. "Is there a chance?" Ralph said. "We shall get off with a shaking," Monsieur Teclier said. "The car is made of wicker work, and is as elastic as a ball.
"Pretty well, Miss Kate; leastways, I'se well enough, a'n't so pretty." "What is his name?" whispered Helen. "'Annible, Missis," said the attentive Capua, whose eyes had been for some time oscillating with indecision between Helen Heath and Mrs. Laudersdale. "Hannibal Raleigh's my name; though Massa alwes call me Cap," he added, insinuatingly, which, by the way, "Massa" never had been known to do.
The operators, without displacing their fingers, followed its movements, and of its own accord it made two turns. They were astounded. Then M. Alfred articulated in a loud voice: "Spirit, how do you find my cousin?" The table, slowly oscillating, struck nine raps. According to a slip of paper, in which the number of raps were translated by letters, this meant "Charming."
Even if this objection existed, however, it could easily be met by making the crank pin of the ball and socket fashion, which would permit the position of the intermediate shaft, relatively with that of the cylinder, to be slightly changed, without throwing an undue strain upon any of the working parts. Q. Is the trunk engine inferior to the oscillating?
The dead twig and the live twig now remain equally motionless, enjoying their different ways. And when, with this very pencil, I push the head of the caterpillar off from the twig, he remains on his tail, arched forward in air, and oscillating unhappily, like some tiny pendulum ticking. Ticking, ticking in mid-air, arched away from his planted tail.
Those attacks became more frequent; he once more lapsed into horrible weeks, wearing himself out, oscillating betwixt uncertainty and hope; and his only support during those terrible hours, which he spent in a desperate hand-to-hand struggle with his rebellious work, was the consoling dream of his future masterpiece, the one with which he would at last be fully satisfied, in painting which his hands would show all the energy and deftness of true creative skill.
While the French were stumbling aimlessly about the country, oscillating uncertainly between one place and another, the Prussians were making their twenty miles a day and more, gradually contracting their immense circle of beaters upon the band of men whom they held within their toils, and driving their prey onward toward the forests of the frontier.
His examples of the steam-engine are nearly all from American models, and include the oscillating engines of the "Golden Gate," the last important advance in the construction of the marine engine; for, although the form of the oscillator has been known for years, it had never been applied to marine uses until the success of the "Golden Gate" proved its applicability to the heaviest engines.
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