Researches, Chemical and Philosophical; Chiefly Concerning Nitrous Oxide: Or Dephlogisticated Nitrous Air, and Its Respiration

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J. Johnson, 1800 - 580ÆäÀÌÁö

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I
xi
II
1
III
56
IV
84
V
122
VII
196
VIII
235
X
278
XI
333
XIII
373
XIV
453
XV
497
XVI
533

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442 ÆäÀÌÁö - Towards the last inspirations, the thrilling increased, the sense of muscular power became greater, and at last an irresistible propensity to action was indulged in; I recollect but indistinctly what followed ; I know that my motions were various and violent.
473 ÆäÀÌÁö - ... of the recollected ideas, appeared to me much longer. " Not more than half of the nitrous oxide was consumed. After a minute, before the thrilling of the extremities had disappeared, I breathed the remainder. Similar sensations were again produced ; I was quickly thrown into the pleasurable trance, and continued in it longer than before. For many minutes after the experiment I experienced the thrilling in the extremities ; the exhilaration continued nearly two hours. For a much longer time I...
452 ÆäÀÌÁö - ... organization. In the first experiment, I breathed for near a minute three quarts of hydrocarbonate mingled with nearly two quarts of atmospheric air. It produced a slight giddiness and pain in the head, and a momentary loss of voluntary power: my pulse was rendered much quicker and feebler. These effects, however, went off in five minutes, and I had no return of giddiness. Emboldened by this trial, in, which the feelings were not unlike those I experienced in the first experiments on nitrous...
472 ÆäÀÌÁö - I walked round the room, perfectly regardless of what was said to me. As I recovered my former state of mind I felt an inclination to communicate the discoveries I had made during the experiment. I endeavoured to recall the ideas ; they -were feeble and indistinct; one collection of terms, however, presented itself ; and with the most intense belief and prophetic manner, I exclaimed to Dr. Kinglake, ' Nothing exists but thoughts ! — the universe is composed of impressions, ideas, pleasures, and...
466 ÆäÀÌÁö - I was neither feverish nor thirsty; my bodily and mental debility were excessive, and the pulse feeble and quick. In this state I breathed for near a minute and half five quarts of gas, which was brought to me by the operator for nitrous oxide; but as it produced no sensations whatever, and apparently rather increased my debility, I am almost convinced that it was from some accident, either common air, or very impure nitrous oxide. Immediately after this trial, I respired 12 quarts of oxygen for...
471 ÆäÀÌÁö - Twenty quarts more of air were admitted. I had now a great disposition to laugh, luminous points seemed frequently to pass before my eyes, my hearing was certainly more acute, and I felt a pleasant lightness and power of exertion in my muscles. In a short time the symptoms became stationary; breathing...
469 ÆäÀÌÁö - ... in the presence of Dr. Kinglake. After I had taken a situation in which I could by means of a curved thermometer inserted under the arm, and a stop-watch, ascertain the alterations in my pulse and animal heat, twenty quarts of nitrous oxide were thrown into the box.
473 ÆäÀÌÁö - About three minutes and half only had elapsed during this experiment, though the time as measured by the relative vividness of the recollected ideas, appeared to me much longer. Not more than half of the nitrous oxide was consumed. After a minute, before the thrilling of the extremities had disappeared, I breathed the remainder. Similar sensations were again produced ; I was quickly thrown into the pleasurable trance, and continued in it longer than before. For many minutes after the experiment,...
453 ÆäÀÌÁö - I breathed this for a minute, and believed myself relieved. In five minutes the painful feelings began gradually to diminish. In an hour they had nearly disappeared, and I felt only excessive weakness and a slight swimming of the head. My voice was very feeble and indistinct. This was at two o'clock in the afternoon.
86 ÆäÀÌÁö - Inflamed charcoal, deprived of hydrogen, introduced into it, burnt with much greater vividness than in the atmosphere. e. To some fine twisted iron wire a small piece of cork was affixed: this was inflamed, and the whole introduced into a jar of the air. The iron burned with great vividness, and threw out bright sparks as in oxygen.

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