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A company was formed to introduce his engine, but it proved too wasteful of fuel, and the company went into voluntary liquidation. Like almost all engines of this time, the combustion of gas and air was used to produce a vacuum, the piston being driven by atmospheric pressure.
Political intrigue could not fill up the vacuum of which Constance daily complained; and of private intrigue, the then purity of her nature was incapable. When people have really nothing to do, they genrally fall ill upon it; and at length, the rich colour grew faint upon Lady Erpingham's cheek; her form wasted; the physicians hinted at consumption, and recommended a warmer clime.
Not only is the vacuum tube a detector of electric wave signals and speech and music but it can also be used to amplify them, that is, to make them stronger and, hence, louder in the telephone receiver and further its powers of amplification are so great that it will reproduce them by means of a loud speaker, just as a horn amplifies the sounds of a phonograph reproducer, until they can be heard by a room or an auditorium full of people.
The ship once fairly off the ground, Mildmay increased the rarefaction of the air in the air-chambers to an almost perfect vacuum, and the immense structure soared skyward with great rapidity.
The onlooker might have feigned ends and objects of forethought, as we do in the case of the water that seeks its own level, or in that of the vacuum which nature abhors. But the particles of matter would have remained unconscious of their collocation, and all nature would have been insensible of their changing arrangement.
He then took two glass tubes, four feet long, of the same bore, and hermetically sealed at one end and open at the other; and making the ordinary experiment of a vacuum with both, he found that the mercury stood in each of them at the same level and at the height of 26 inches 3½ lines. This experiment was repeated twice, with the same result.
In order, therefore, to know whether the sight can convey the impression and idea of a vacuum, we must suppose, that amidst an entire darkness, there are luminous bodies presented to us, whose light discovers only these bodies themselves, without giving us any impression of the surrounding objects. We must form a parallel supposition concerning the objects of our feeling.
The enormous difficulties and the wholly abnormal circumstances which surrounded Davis counted with Stephens for nothing at all, and he reasoned about the Administration as if it were operating in a vacuum. Having come to this extraordinary position, Stephens passed easily into a role that verged upon treason. *
"Gold is what I want," and for his share in Machpelah he took the gold realized from the sale of the possessions Jacob had accumulated outside of the Holy Land. But God "filled the vacuum without delay," and Jacob was as rich as before. Wealth was not an object of desire to Jacob.
With airlocks to permit entrance and exit, they were inhabitable. They needed no framework to support them because there were no stormwinds or earthquakes to put stresses on them. They needed neither heating nor cooling equipment. They were buried under forty feet of moon-dust, with vacuum between the dust-grains. Lunar City was not beautiful, but human beings could live in it.
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