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In brief, he had to replace the Blackbird, and he was replacing her with a carrier of double the capacity, of greater speed, equipped with special features of his own choosing. The new boat was designed to carry ten thousand salmon. There was installed in her holds an ammonia refrigerating plant which would free him from the labor and expense and uncertainty of crushed ice.
Rats I was informed by the engineer in charge of the refrigerating room on an Australian liner very quickly became adapted to the freezing temperature by developing long hair. All that we have seen of the past changes in the environment of animals makes it probable that these larger variations often occur.
Not an ice-plant in the country could compete with us, in the refrigerating line. With liquid air, we could sweep that market clean. By installing it on our fruit cars and boats, and our beef cars, the saving effected in many ways would run to millions. The sale of nitrogen, for fertilizer, would net us billions.
But, on the other hand, although such an accumulation might spread its refrigerating influence for many miles southwards beyond the new barrier, the warm current which now penetrates through the straits, and which at other times is chilled by floating ice issuing from them, would when totally excluded from all communication with the icy sea have its temperature raised and its course altered, so that the climate of some other area must immediately begin to improve.
What is called a freezing method is now proposed to overcome the water in soft earth tunneling. Its chief feature is the excavating first of a small central tunnel to be used as a refrigerating chamber or ice box in freezing the surrounding material solid so that it can be dug out or blasted out in chunks the same as rock. It is very doubtful however, if such a plan is feasible.
And the janitor, as if he understood her question, turned round reassuringly. "Only our refrigerating machines, madame. We think them wonderfully quiet, considering. They whirr on night and day, they are never stilled. As for me " he added jovially "I would miss the noise very much. But as I lie in bed listening to the sound I know that all is well.
Madden saw the importance of completing his disguise in this manner. He splotched his face, found the tools indicated by Smith in the locker, then walked out through the manhole into the passageway once more. There was no one in sight as they came out. They passed up through the cool refrigerating room and through the machine shop with its contented workmen.
This was a sort of refrigerating process. For an instructor to scold a youthful pupil is the best proof that he is a being from a different planet! One day the tutor was delineating with great eloquence to his scholar who, he imagined, was listening with special interest the glorious deeds of heroism performed by St. Louis, and was tracing on the map the heroic king's memorable crusade.
After passing through a refrigerating chamber, the contents of these moulds are ready as cakes of hard chocolate for putting up in the well-known blue "Mexican," or the dark-red "Milk," packets.
It is only after the compressed hydrogen has been cooled by immersion in refrigerating media of very low temperature that this gas becomes amenable to the law of cooling on expansion.
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