Lives of Philosophers of the Time of George III.R. Griffin, 1855 - 492 Seiten |
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Seite 58 - Cavendish's), last summer (that is, 1783), gave some account of them to M. Lavoisier, as well as of the conclusion drawn from them, that dephlogisticated air is only water deprived of its phlogiston ; but, at that time, so far was M. Lavoisier from thinking any such opinion warranted, that till he was prevailed upon to repeat the experiment himself, he found some difficulty in believing that nearly the whole of the two airs could be converted into water.
Seite 262 - I might be inclined to entertain some such thought; but a great flood stops me in my course. Opposuit natura — I cannot remove the eternal barriers of the creation. The thing, in that mode, I do not know to be possible. As I meddle with no theory, I do not absolutely assert the impracticability of such a representation. But I do not see my way to it ; and those who have been more confident have not been more successful.
Seite 283 - The life which I led at Glasgow was a pleasurable dissipated life in comparison of that which I lead here at Present. I have begun to write a book in order to pass away the time.
Seite 417 - D'Alembert, was the Precession of the equinoxes and the Nutation of the earth's axis, according to the theory of gravitation.
Seite 228 - To judge whether such retaliations are likely to produce such an effect, does not, perhaps, belong so much to the science of a legislator, whose deliberations ought to be governed by general principles which are always the same, as to the skill of that insidious and crafty animal, vulgarly called a statesman or politician, whose councils are directed by the momentary fluctuations of affairs.
Seite 344 - Plurimum audaciae ad pericula capessenda, plurimum consilii inter ipsa pericula erat. Nullo labore aut corpus fatigan aut animus vinci poterat.
Seite 58 - ... four-fifths of the common air employed ; so that as common air cannot be reduced to a much less bulk than that by any method of phlogistication, we may safely conclude, that when they are mixed in this proportion, and exploded, almost all the inflammable air, and about one-fifth part of the common air, lose their elasticity, and are condensed into the dew which lines the glass.
Seite 52 - ... and encouragement to all young persons who showed any indications of talent, or applied to him for patronage or advice. His health, which was delicate from his youth upwards, seemed to become firmer as he advanced in years, and he preserved up almost to the last moment of his existence, not only the full command of his extraordinary intellect, but all the alacrity of spirit, and the social gaiety which had illumined his happiest days.
Seite 204 - Those leaders themselves, though they originally may have meant nothing but their own aggrandisement, become many of them in time the dupes of their own sophistry, and are as eager for this great reformation as the weakest and foolishest of their followers. Even though the leaders should have preserved their own heads, as indeed they commonly do, free from this fanaticism, yet they dare not always disappoint the expectation of their followers; but are often obliged, though contrary to their principle...
Seite 19 - It remains to consider him as a teacher ; and certainly nothing could be more admirable than the manner in which for forty years he performed this useful and dignified office. His style of lecturing was as nearly perfect as can well be conceived ; for it had all the simplicity which is so entirely suited to scientific discourse, while it partook largely of the elegance which characterized all he said or did. The publication of his lectures has conveyed an accurate idea of the purely analytical order...