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Updated: June 24, 2025
We use these towers, according to their several heights, and situations, for insolation, refrigeration, conservation; and for the view of divers meteors; as winds, rain, snow, hail; and some of the fiery meteors also. And upon them, in some places, are dwellings of hermits, whom we visit sometimes, and instruct what to observe.
I can usually avoid trouble, but when I can't, I would like to retain the advantage of surprise." We all got into the jeep. Tom, not too graciously, offered to drop Bish wherever he was going. Bish said he was going to the Times, so Tom lifted the jeep and cut in the horizontal drive. We got into a busy one-way aisle, crowded with lorries hauling food-stuffs to the refrigeration area.
Saturn has seven, beside the two rings; Jupiter has four, Mars has none, and the earth has but one. On the single hypothesis, that our system was formed by rings successively thrown off from a central body by a process of refrigeration and contraction, these irregularities are inexplicable.
Of these applications, the most patent and the first to be made available was the one forecast by Davy from the very first namely, the use of liquefied gases in the refrigeration of foods. Long before the more resistant gases had been liquefied, the more manageable ones, such as ammonia and sulphurous acid, had been utilized on a commercial scale for refrigerating purposes.
In the course of the last twenty-five years, notable progress has been made in the art of preserving perishable foods through refrigeration. There are differences of opinion as to the effect upon the public health of food so preserved; and further differences as to the effect of the cold storage system upon the cost of living.
So well is this principle carried out in Dr. Hamp-son's apparatus for liquefying air that compressed air passing into the coil at ordinary temperature without other means of refrigeration begins to liquefy in about six minutes a result that seems almost miraculous when it is understood that the essential mechanism by which this is brought about is contained in a cylinder only eighteen inches long and seven inches in diameter.
This extension southwards of glacial phenomena in regions where there are no snow-covered mountains like the Alps to explain the exception, nor any hills of more than moderate elevation, constitutes a feature of the western as compared to the eastern side of the Atlantic, and must be taken into account when we speculate on the causes of the refrigeration of the northern hemisphere during the Pleistocene period.
And the tenth, the fifteenth, and the thirtieth, are they not bodies? Is not a month a body? Summer, autumn, and the year, are they not bodies?" These things they maintain against the common conceptions; but those which follow they hold also against their own, engendering that which is most hot by refrigeration, and that which is most subtile by condensation.
When we pass the limits of the Tertiary Era, and enter the Quaternary, the refrigeration steadily proceeds, and, from temperate, the aspect of much of Europe and North America becomes arctic.
The general absence of organic remains in the North American glacial formation makes it as difficult as in Europe to determine what mammalia lived on the continent at the time of the most intense refrigeration, or when extensive areas were becoming strewed over with glacial drift and erratic blocks, but it is certain that a large proboscidean now extinct, the Mastodon giganteus, Cuv., together with many other quadrupeds, some of them now living and others extinct, played a conspicuous part in the post-glacial era.
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