Manual of Electricity: Electricity and GalvanismG. Knight and Company, 1855 |
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animal antimony apparatus appearance arrangement atmosphere attracted bismuth body brass ball carbon cells charged chemical action chlorine circuit cloud coating coil communication conducting conductor connected copper copper wire cylinder decomposed decomposition dilute direction disc discharge disruptive discharge distance earth effect Elec electric current electrified electrode electrolyte Electrometer Electroscope employed excited experiments extremity Faraday feet fluid force frog galvanic galvanometer gases glass tube gold leaf heat hydrogen immersed inch in diameter induction insulated intensity iron Leyden Leyden jar light liquid magnetic Matteucci metallic muscles needle negative Electricity nerve nitric acid observed obtained oxide oxygen pairs particles pass phenomena Phil piece pile plate platinum platinum wire pole positive Electricity potassium prime conductor produced quantity of Electricity screwed shock shown in Fig silk silver solution spark substance sulphate sulphuric acid surface takes place terminal tin-foil touch tricity vessel zinc
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Сторінка 374 - ... the atoms of matter are in some way endowed or associated with electrical powers, to which they owe their most striking qualities, and amongst them their mutual chemical affinity.
Сторінка 9 - If any one should undertake to prove, as a clear consequence of the phenomenon, that thunder is, in the hands of nature, what electricity is in ours — that those wonders which we dispose at our pleasure are only imitations on a small scale of those grand effects which terrify us...
Сторінка 473 - During a long time they seem to prove victorious. Several horses sink beneath the violence of the invisible strokes, which they receive from all sides in organs the most essential to life; and stunned by the force and frequency of the shocks, disappear under the water. Others, panting, with mane erect and haggard eyes, expressing anguish, raise themselves, and endeavour to flee from the storm by which they are overtaken.
Сторінка 6 - he felt himself struck in his arms, shoulders, and breast, so that he lost his breath, and was two days before he recovered from the effects of the blow and the terror.
Сторінка 423 - ... of experiment. In this manner he happened to suspend several upon the iron balcony in front of his laboratory, when to his inexpressible astonishment the limbs were thrown into strong convulsions. No electrical machine was now present to exert any influence.
Сторінка 473 - We had little doubt that the fishing would terminate by killing successively all the animals engaged; but, by degrees, the impetuosity of this unequal combat diminished, and the wearied gymnoti dispersed. They require a long rest and abundant nourishment, to repair what they have lost of galvanic force. The mules and horses appear less frightened; their manes are no longer bristled, and their eyes express less dread.
Сторінка 238 - ... 192. I hardly dare venture, even in the most hypothetical form, to ask whether the Aurora Borealis and Australis may not be the discharge of electricity., thus urged towards the poles of the earth, from whence it is endeavouring to return by natural and appointed means above the earth to the equatorial regions.
Сторінка 473 - A contest between animals of so different an organization furnishes a very striking spectacle. The Indians, provided with harpoons and long slender reeds, surround the pool closely ; and some climb upon the trees, the branches of which extend horizontally over the surface of the water. By their wild cries, and the length of their reeds, they prevent the horses from running away, and reaching the bank of the pool. The eels, stunned by the noise, defend themselves by the repeated discharge of their...