History of the inductive sciences from the earliest to the present time v. 2, Volume 2D. Appleton and Company, 1858 |
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Pagina 30
... supposed , fifteen to sixteen ; and if the beats be found to be six in a second , we know that , in that time , the graver note makes ninety and the acuter ninety - six vibra- tions . In this manner Sauveur found that an open organ ...
... supposed , fifteen to sixteen ; and if the beats be found to be six in a second , we know that , in that time , the graver note makes ninety and the acuter ninety - six vibra- tions . In this manner Sauveur found that an open organ ...
Pagina 40
... supposed by acoustical writers that the part adjacent to the open end was half of the other parts ; the outermost node , however , is found experimentally to be displaced from the position thus assigned to it , by a quantity depending ...
... supposed by acoustical writers that the part adjacent to the open end was half of the other parts ; the outermost node , however , is found experimentally to be displaced from the position thus assigned to it , by a quantity depending ...
Pagina 42
... supposed , very difficult , even if we confine ourselves to the obvious question of the mechanical possibility of these different modes of vibration , and leave out of consideration their dependence upon the mode of excitation . The ...
... supposed , very difficult , even if we confine ourselves to the obvious question of the mechanical possibility of these different modes of vibration , and leave out of consideration their dependence upon the mode of excitation . The ...
Pagina 55
... supposed . The discovery of this true law excited in him an eager curiosity ; and this point had the more interest for him in consequence of the introduction of a correc- tion for atmospheric refraction into astronomical calculations ...
... supposed . The discovery of this true law excited in him an eager curiosity ; and this point had the more interest for him in consequence of the introduction of a correc- tion for atmospheric refraction into astronomical calculations ...
Pagina 62
... supposed that his " theory " rests on such a foundation . The doctrine of the unequal refrangibility of different rays is clearly exemplified in the effects of lenses , which produce images more or 18 Brewster's Newton , p . 50 . 14 ...
... supposed that his " theory " rests on such a foundation . The doctrine of the unequal refrangibility of different rays is clearly exemplified in the effects of lenses , which produce images more or 18 Brewster's Newton , p . 50 . 14 ...
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Veelvoorkomende woorden en zinsdelen
acid action already analogy angles animals appears applied Aristotle Astronomy attempts attraction bodies botany causes characters chemical chemical affinity chemistry chemists circular polarization classification colors conceived connexion considered crystalline crystallography crystals Cuvier diamagnetic discovery distinct doctrine double refraction earth effect electricity elements established experiments explain facts Faraday fluid force fossils Fresnel geologists Geology heat hypothesis important induction kind knowledge labors latent heat Lavoisier laws light Linnæus magnetic manner mathematical mechanical Memoir metals method Mineralogy minerals mode motion names natural Newton notice observed optical organic oxygen particles period phenomena Phil philosophers phlogiston physical physiological plants polarization poles principles produced progress published rays reference refraction relations researches rhombohedral says Sect speak species speculations strata substances supposed surface temperature term terrestrial magnetism tion Trans tricity truth undulatory theory vapor various vertebrate vibrations viviparous voltaic voltaic pile
Populaire passages
Pagina 579 - Each cast at the other, as when two black clouds, With heaven's artillery fraught, come rattling on Over the Caspian ; then stand front to front, Hovering a space, till winds the signal blow To join their dark encounter in mid air...
Pagina 297 - I at first laid down, namely, that the chemical power of a current of electricity is in direct proportion to the absolute quantity of electricity which passes (377, 783).
Pagina 583 - The Author of nature has not given laws to the universe, which, like the institutions of men, carry in themselves the elements of their own destruction. He has not permitted, in His works, any symptom of infancy or of old age, or any sign by which we may estimate either their future or their past duration.
Pagina 567 - The tawny lion, pawing to get free His hinder parts, then springs, as broke from bonds, And rampant shakes his brinded mane...
Pagina 518 - Thus, though his general ideas obtained universal currency, he did not assume his due prominence as a geologist. In 1818, a generous attempt was made to direct a proper degree of public gratitude to him, in an article in the Edinburgh Review, the production of Dr. Fitton, a distinguished English geologist. And when the eminent philosopher, Wollaston, had bequeathed to the Geological Society of London a fund from which a gold medal was to be awarded to geological services, the first of such medals...
Pagina 270 - Subterranea, he speaks of the chemists as a strange class of mortals, impelled by an almost insane impulse to seek their pleasure among smoke and vapor, soot and flame, poisons and poverty. " Yet among all these evils," he says, " I seem to myself to live so sweetly, that, may I die if I would change places with the Persian king.
Pagina 464 - He heard and saw all this, with much interest and distinct comprehension ; but when I had done, he shook his head and said : ' This is no experiment, this is an idea.
Pagina 294 - My desire to escape from trade, which I thought vicious and selfish, and to enter into the service of Science, which I imagined made its pursuers amiable and liberal, induced me at last to take the bold and simple step of writing to Sir H. Davy...
Pagina 260 - Anon out of the earth a fabric huge Rose, like an exhalation, with the sound Of dulcet symphonies and voices sweet, Built like a temple, where pilasters round Were set, and Doric pillars overlaid With golden architrave ; nor did there want Cornice or frieze with bossy sculptures graven ; The roof was fretted gold.
Pagina 251 - An account of several new Instruments and Processes for determining the Constants of a Voltaic Circuit.