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The unit of electromotive force is the volt, and this is the electric pressure which will force a current of 1 ampere through a resistance of 1 ohm; it is expressed by the symbol E. A fresh dry cell will deliver a current of about 1.5 volts. Resistance and the Ohm.
Among the rest, my child, the light of my eyes, has been more unwell than I ever saw him. . . . The pleasantest days in Rome we have spent with the Kembles, the two sisters, who are charming and excellent both of them, in different ways, and certainly they have given us some excellent hours in the Campagna, upon picnic excursions they, and certain of their friends; for instance, M. Ampere, the member of the French Institute, who is witty and agreeable, M. Goltz, the Austrian minister, who is an agreeable man, and Mr.
so in these names some forgotten physicist or mute engineer may be buried. At any rate, we cannot do without names. The ohm, the ampere, the volt, are merely words that express ideas that we all understand; and so does the watt, and so will the 1,000 watts when you come to think over the matter as much as some of us have done.
D'Arsonval obtained with an accumulator of 2 square meters of surface: Representing a total capacity of six ampere hours per kilo., and of a discharge of 5 amperes per kilo., or a total capacity of 81 ampere hours per square meter, and a useful capacity of 20 ampere hours per square meter.
I again referred to this the first night of the session. I broke through my rule of never attending funerals yesterday. The last time I broke it was my dear friend Follett; this time it was Tocqueville. I should have been the only member of the Institute, but Ampere had set out from Rome on receiving T.'s letter, and arrived the day after his death.
One would be glad, however, that they should know the names and something of the works and reputation of the Catholic men of science, as Ampere, Pasteur, and Wassmann, etc., I Who have been or are European authorities in special aches of study, so that they may at least be ready with an answer to the frequent assertion that "Catholics have done nothing for science."
These signs can be produced by the deviation of a magnetic needle, as Laplace pointed out, or by causing an electro-magnet to attract soft iron, or by chemical decomposition, or any other sensible effect of the current. Ampere developed the idea of Laplace into a definite plan, and in 1830 or thereabout Ritchie, in London, and Baron Schilling, in St. Petersburg, exhibited experimental models.
The elite of Parisian society were present on the occasion, including Ampere, Nizard, Burnouf, Ballanche, Villemain, and many distinguished personages of literary celebrity. A word as to Jasmin's distinguished entertainer, M. Augustin Thierry.
More and more, among fine people explanations are out of order. A man is silent in proportion to what he knows of real fineness and aspiration. Outside of that speech which is absolutely a man's duty to give out, one can tell almost to the ampere, the voltage of his inner being, or its vacantness and slavery, by the depth of his listening silences, or the aimlessness of his filling chatter.
De Tocqueville, Monsieur Ampére, and Sainte-Beuve were frequent visitors. Peace and serenity reigned there, for Madame Récamier softened asperities and healed dissensions by the mere magnetism of her presence. "It was Eurydice," said Sainte-Beuve, "playing the part of Orpheus." But while she was the presiding genius of this varied and brilliant society, Châteaubriand was the controlling spirit.
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