The Elements of Natural Philosophy; Or, An Introduction to the Study of the Physical Sciences (Google eBook)

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J. Churchilll and Sons, 1867 - Physics - 851 pages
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Oblique reflectionfocal lines 1048
The mariners compass 001602
Lavender band of Herschel 1087 j Fluorescence 11131114
The two images combined 1134
Means of observation 622623 Compound magnets 686
Magnetic roetals 630 Diamagnetic bodies 645648
Double touch 633 Influence of molecular aggre
Effect of binocular vision 1186
Adaptation of the eye 1136
I j Page
Excitation of electricity 654 Lanes discharger
Conduction of electricity 657658 Electrical toys
Peltiers electrometer 665 Induction on glass plates 717719
Pyroelectric minerals 670 Charge by induction
Electric induction 676678 Universal discharger
Action of supraspectral rays 1288
Electrophorus 686688 Figures of Leuchtenbcrg
Processes on paper 1301
Mode of using a ____ Applications of condenser
Hydroelectric machine 698700 Potential of clouds 764756
Dilatation of glass water
Maximum and miuimum
Appolds regulator 1308
Dry steam 1404 Dewpoint 1433
Thermopiles 968969
Influence of mixture of elements n 9 Direct transition from solid
Apparent excitation by contact Form frequently used
Voltaic action of zinc and copper 6 Serrins electric lamp
Galvanic knife and cautery
Robertss battery 780 Ozone formed
Modes of producing currents 784787 Conductivity of the fluid
Marie Davys pile 792 Reduction of ammonium 840841
Groves battery 796 Apparent anomalies 84848

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Page xxxi - Elijah came unto all the people, and said, How long halt ye between two opinions ? if the Lord be God, follow him : but if Baal then follow him.
Page 294 - ... density that causes sound to pass rapidly through them. "Other things remaining the same, an augmentation of density always produces a diminution of velocity.
Page 467 - This piece of apparatus is, in fact, a counterpart of the battery itself, consisting, like it, of two glass cylinders, one within the other, the smaller one having a bottom or floor of plaster of Paris fixed into it : this smaller tube may be about half an inch wide and three inches in length, and is intended to hold the metallic solution submitted to experiment, the external tube in which it is immersed being filled with a weak solution of common salt *. Into the latter solution a slip of amalgamated...
Page 755 - It is hardly necessary to add that anything which any insulated body, or system of bodies, can continue to furnish without limitation, cannot possibly be a material substance; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner the Heat was excited and communicated in these experiments, except it be MOTION.
Page 2 - Impenetrability, which signifies that no two bodies can occupy the same space at the same time.
Page 381 - ... then carefully lifting the glass by one corner, place it on a badly-conducting surface, as a smooth table or the cover of a book, with the uncoated side downwards. Touch the tinfoil with the finger, then carefully elevate the plate by one corner, and a vivid spark will fly from the coating to any conducting body near it ; replace the plate, touch it, again elevate it, and a second spark will be produced.
Page 328 - The bar of steel so treated is said to be magnetized, or to constitute an artificial magnet. When a magnetized bar or natural magnet is suspended at its centre in any convenient manner, so as to be free to move in a horizontal plane, it is always found to assume a particular direction with regard to the earth, one end pointing nearly north and the other nearly south. If the bar...
Page 470 - It is a very curious and interesting fact, that although this spongy ammoniacal amalgam cannot be kept immersed in water even for a few instants without the formation of ammonia, yet as long as it is connected with the negative electrode of the battery, it may be preserved without change for days and weeks. The instant the connexion with the battery is broken, a mass of this amalgam, as large as a walnut, appears to vanish in a few seconds, torrents of minute bubbles being given off, and a scarcely...
Page 258 - Accordingly various theories have been adopted for the calculation of the tides upon this hypothesis of lunar and solar attraction, of which the most noted have been those of D. Bernoulli and Laplace. If the hypothesis of universal gravitation be adopted, there can be but one correct theory based upon it for calculating the oscillations of the Ocean ; but in consequence of the difficulties of the analysis, which have hitherto been insurmountable, other hypotheses must be resorted to in addition to...
Page 465 - ... deposited from its solution on the platinum plate in a more or less crystalline form- M- BECQUEREL did not attribute the reduction of the metal to the electric current alone, but conceived that three distinct causes, at least, concurred in producing this effect- The decomposition of the water and of the common salt by the electric current- set in motion, and the transference of hydrogen and soda through the clay diaphragm to the negative tube, where the alkali unites with the acid holding the...

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