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Updated: May 24, 2025
The tallow dip seemed full of caloric, and melted rapidly in pendulous drippings.
In the old Roman bath the walls were charged with caloric by means of innumerable earthen tubes lining the sides of the laconicum, and covered with a peculiar plaster. But in both cases the nature of the resultant heat is identical. It radiates to one from all sides.
A few years hence we shall hear of the 'wonders of caloric' instead of the 'wonders of steam. To the question: 'How did you cross the Atlantic? the reply will be: 'By caloric of course! On Saturday, I visited the manufactory, and had the privilege of inspecting Ericsson's caloric engine of 60 horse-power, while it was in operation.
In order to determine whether the heat itself directly causes the nervous disturbance, or whether it produces it indirectly by causing changes in the blood, I applied caloric directly to the brains of animals. This was done by fitting a hog's bladder like a bonnet over the head and allowing hot water to run through it.
Here, reclining in dreamful ease, and indulging in the perpetual warmth by which the bath confessed the power of unseen caloric agency, Roseton was wont ever to sport with delicious memories, now with rapturous hopes, and at times to compose those elegant sonnets for the New York weekly newspapers, for each one of which a thousand dollars was joyfully given by the delighted proprietors to the poor of the city.
The imponderable agents, light and caloric, under the ingenious tests of scientific scrutiny, are beginning to give some very decided indications of being simply electric phenomena. Indeed, the doctrine or theory that supposes caloric to be simply atomic motion is even now being very generally accepted by the scientific world.
These men may hate him, refute him, despise him, reject him, insult him, as they probably will if they are much indebted to him; yet if he stirs the molecules in their minds to a point where they create caloric, he has benefited them and therefore he is a great man. Jean Jacques Rousseau was a great man.
The mere man of the world, who insists that no other terms but such as occur in common conversation should be employed in a scientific disquisition, and with no greater precision, is as truly a pedant as the man of letters, who either over-rating the acquirements of his auditors, or misled by his own familiarity with technical or scholastic terms, converses at the wine-table with his mind fixed on his museum or laboratory; even though the latter pedant instead of desiring his wife to make the tea should bid her add to the quant. suff. of thea Sinensis the oxyd of hydrogen saturated with caloric.
Davy was his associate, and, so far as the new views of heat are concerned, his disciple. He exploded the notion of caloric, demonstrated experimentally the conversion of mechanical force into heat, and arrived at quantitative results, which, considering the roughness of his experiments, are remarkably near the established facts.
This single fact, i.e., the gradual shifting of the constellations, the DISPLACEMENT, let us say, of the starry influx from one sign to another without any ALLOWANCE being made in the astrologer's rules for any such change, has been one of the greatest obstructions to the popular spread of the art among EDUCATED MINDS. Argues the scientist: The "fiery influence of Aries," if depending upon the stars of that constellation, ought now to be shedding forth their caloric from the sign Pisces, and Aries ought to be lumbering along with the earthy Taurine nature.
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