VIII. Acoustics. IX. Optics, formal and physical. X. Thermotics and atmology. XI. Electricity. XII. Magnetism. XIII. Galvanism, or Voltaic electricity. XIV. Chemistry. XV. Mineralogy. XVI. Systematic botany and zoology. XVII. Physiology and comparative anatomy. XVIII. Geology. Additions to the 3d edD. Appleton, 1858 - Science |
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Page 32
... consists in this ; that the movement of the parts of air , in which sound consists , travels along , but that the parts Op . iii . p . 207 . 1 Prize Dis . on Light , 1736 . of air themselves do not so travel . Accordingly Otto 32 ...
... consists in this ; that the movement of the parts of air , in which sound consists , travels along , but that the parts Op . iii . p . 207 . 1 Prize Dis . on Light , 1736 . of air themselves do not so travel . Accordingly Otto 32 ...
Page 36
... consists , since the sudden compression produces a degree of heat which additionally in- creases the elasticity . The ratio of this increase depended on the experiments by which the relation of heat and air is established . Laplace , in ...
... consists , since the sudden compression produces a degree of heat which additionally in- creases the elasticity . The ratio of this increase depended on the experiments by which the relation of heat and air is established . Laplace , in ...
Page 39
... consists of pulses which travel back and forwards along its length , and are kept in motion by the breath of the player . This supposition would account for the observed depend- ence of the note on the length of the pipe . The subject ...
... consists of pulses which travel back and forwards along its length , and are kept in motion by the breath of the player . This supposition would account for the observed depend- ence of the note on the length of the pipe . The subject ...
Page 51
... consists in the correct application of it to successive problems ; Optics advanced through a scale of generalizations as remarkable as those of Astronomy ; but for a long period she was almost stationary ; and , at last , was rapidly ...
... consists in the correct application of it to successive problems ; Optics advanced through a scale of generalizations as remarkable as those of Astronomy ; but for a long period she was almost stationary ; and , at last , was rapidly ...
Page 60
... consists of rays of different colors and different refrangibility . This now appears to us so obvious a mode of interpret- ing the phenomena , that we can hardly understand how they can be conceived in any other manner ; but yet the ...
... consists of rays of different colors and different refrangibility . This now appears to us so obvious a mode of interpret- ing the phenomena , that we can hardly understand how they can be conceived in any other manner ; but yet the ...
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Common terms and phrases
acid already analogy angles animals appears applied Aristotle asserted Astronomy attempts attraction bodies botanists botany causes character chemical chemistry circular polarization classification colors conceived connexion considered crystalline crystallography crystals Cuvier diamagnetic Dicotyledonous discovery distinct doctrine double refraction earth effect elasticity electricity established experiments explain facts Faraday fluid force fossil Fresnel geologists Geology heat History of Optics hypothesis important induction kind knowledge labors latent heat laws light Linnæus Lyell magnetic manner mathematical mechanical Memoir metals method Mineralogy minerals mode motion names natural Newton notice observed opinion optical organic particles period phenomena Phil philosophers phlogiston physical physiological plants polarization poles principles produced progress published rays reference researches rhombohedron says Sect sound speak species speculations strata substances supposed surface temperature term Theophrastus Thermotics tion Trans truth undulations undulatory undulatory theory vapor various vertebrate vibrations viviparous voltaic
Popular passages
Page 585 - 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...
Page 299 - 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).
Page 89 - And in like manner, when a ray of light falls upon the surface of any pellucid body, and is there refracted or reflected, may not waves of vibrations, or tremors, be thereby excited in the refracting or reflecting medium at the point of incidence...
Page 251 - An account of several new Instruments and Processes for determining the Constants of a Voltaic Circuit.
Page 573 - The earth obeyed, and straight Opening her fertile womb teemed at a birth Innumerous living creatures, perfect forms, Limbed and full grown: out of the ground up rose As from his lair the wild beast where he wons In" forest wild, in thicket, brake, or den...
Page 56 - ... that the ratio of the sines of the angles of incidence and refraction is constant for refraction in the same medium, was effected by Snell and Descartes.
Page 449 - I had with him, which was but a little while before he died, what were the things which induced him to think of a circulation of the blood ? he answered me, that when he took notice that the valves in the veins of so many parts of the body were so placed that they gave free passage to the blood towards the heart, but opposed the passage of the venal blood the contrary way...
Page 573 - The tawny lion, pawing to get free His hinder parts, then springs, as broke from bonds, And rampant shakes his brinded mane...
Page 296 - The facts recorded in that lecture Faraday regards as of the utmost value. But ' the mode of action by which the effects take place is stated very generally ; so generally, indeed, that probably a dozen precise schemes of electro-chemical action might be drawn up, differing essentially from each other, yet all agreeing with the statement there given.
Page 559 - With terror through the dark aerial hall. Some say, he bid his angels turn askance The poles of earth, twice ten degrees and more, From the'sun's axle ; they with labour push'd Oblique the centric globe...