A Complete Treatise on Electricity: In Theory and Practice with Original Experiments, Volume 2

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C. Dilly, 1786 - 5 pages
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A Historic book regarding electricity. Unffortunately Google guys does not scan the drawings!

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Page 276 - ... towards the weft became the north pole, and the other end the fouth pole. . If a needle or bar, already magnetic, or a real magnet, was ftruck in any direction, its power was always diminifhed.
Page 173 - Dance; and that thefe fymptoms were afterwards fucceeded by convulfions, which rendered ' it difficult for two afliftants to keep her in bed, and which foon deprived her of fpeech and the ufe of her limbs. The eruptions which appeared on the parts electrified foon receded, N 3 without without producing any return of the fymptoms,' and therefore could not be called critical, but merely the effedl of the electrical ftimulus.
Page 171 - Blifters and anti-fpalmodics were directed, and particularly the flowers of zinc, which were continued till the beginning of July, but without the leaft abatement of the fymptoms ; when her father growing impatient of fruitlefs attendance at the hofpital, I recommended, as a dernier refort, a trial of Electricity, under the management of the Rev. Mr. UNDERWOOD, an ingenious electrician. After this I heard no more of her till the firft of Auguft, when her father came to inform me that his daughter...
Page 281 - THE electric organs of the torpedo are placed on each side of the cranium and gills, reaching from thence to the semicircular cartilages of each great fin, and extending longitudinally from the anterior extremity of the animal to the transverse cartilage, which divides the thorax from the abdomen...
Page 172 - ... foon after which her fpeech returned. * July 23. On the glafs-footed ftool for the fpace of one hour : fparks were drawn from her arms, legs, head, and breaft, which for the firft time (he very fenfibly felt ; alfo two fhocks through the fpine.
Page 173 - Every time me was electrified pofitively, her pulfe " quickened to a great degree, and an eruption, much " like the itch, appeared in all her joints.
Page 285 - Nerves are given to parts either for sensation or action. Now if we except the more important senses of seeing, hearing, smelling, and tasting, which do not belong to the electric organs, there is no part, even of the most perfect animal, which, in proportion to its size, is so liberally supplied with nerves ; nor do the nerves seem necessary...
Page 39 - From one extremity of this tube, viz. that without sealing-wax, a small loop of silk proceeds, which occasionally serves to hang the electrometer on a pin, &c. To the other extremity of the tube a cork is adapted, which, being cut tapering on both ends, can fit the mouth of the tube with either end. From one extremity of this cork two linen threads proceed, a little shorter than the length of the tube, suspending each a little cone of pith of elder.
Page 11 - After having rained a great deal in the morning, and night before, the weather became a little clear in the afternoon, the clouds appearing feparated, and pretty well defined. The wind was weft, and rather ftrong, and the atmofphere in a temperate degree of heat. In thefe circumftances, at three PM I . raifed my electrical kite with three hundred and fixty feet of ftring.
Page 170 - Ann Agutter, a girl of ten years of age, of a pale emaciated habit, was admitted an out-patient at the Northampton Hofpital on the 6th of June laft.

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