The Edinburgh New Philosophical Journal, Volumen20A. and C. Black, 1836 |
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Página 29 - I drew the conclusion, that the combinations and decompositions by electricity were referable to the law of electrical attractions and repulsions, and advanced the hypothesis, " that chemical and electrical attraction were produced by the same cause, acting in one case on particles, in the other on masses ;" and that the same property, under different modifications, was the cause of all the phenomena exhibited by different voltaic combinations.
Página 297 - ... and black poplar, and canoe birch. The largest timber is in the bottom of the valleys, some of the white spruce on the flat near the mouth of Bonanza Creek forming a forest of fine tall trees fourteen to eighteen inches in diameter. Excellent timber also extends in places up the sides of the hills to a height of several hundred feet above the level of the Yukon at Dawson, the spruce being mixed with large white poplars. At higher elevations the forest becomes thinner and the trees smaller, until...
Página 303 - Merchant, (in consequence of a Communication made to him by a certain Foreigner residing abroad) for an Invention of certain Improvements in the Construction of Locks and other Fastenings.
Página 14 - I established the following proposition: "It is not the organs, that is to say, the nature and shape of the parts of an animal's body, that have given rise to its special habits and faculties; but it is, on the contrary, its habits, mode of life and environment that have in course of time controlled the shape of its body, the number and state of its organs and, lastly, the faculties which it...
Página 28 - 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.
Página 29 - Lond. and Edinb. Phil. Mag., vol. ii. p. 215. mation of a voltaic combination ? " &c. If this be so clear, how happens it that Mr. Brande, in the last edition of his Manual, vol. ip 97, says that " Sir Humphry Davy further remarks that there are no fluids, except such as contain water, which are capable of being made the medium of connexion between the metals of the voltaic apparatus ;
Página 206 - PJ On the Quadrupeds and Birds inhabiting the County of Sutherland, observed there during an Excursion in the Summer of 1834.
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Página 64 - Theodoxus reclinatus, he observes, " I found this species in great plenty, inhabiting St. John's river in East Florida, from its mouth to Fort Picolata, a distance of one hundred miles, where the water is potable. It seemed to exist equally well where the water was as salt as that of the ocean, and where the intermixture of that condiment could not be detected by the taste.