45« Slrunge T.JfiSs of the Gaftous Oxide of Az$te, 



" Mr. WiJgwdodhvQTithiA atmofpheric air firft without knowing it was fo. He de- 

 clared it to have no effeft, which confirmed him in his difbelief of the power of the 

 gas. After breathing this fome time, however, he threw the bag from him, kept 

 breathing on laborioufly with an open mouth, holding his nofe with his left hand? 

 without power to take it away, though aware of the ludicroufnefs of his fituation, all 

 his mufcles feemed to be thrown into vibratory motion, he had a violent inclination to 

 make antic geftures^-feemed lighter than the atmofpjiere, and as if about to mount. 

 Before the experiment, he was a good deal fatigued after a very long ride, of which he 

 permanently loft all fenfe. In a fecond experiment nearly the fame efifefts, but wiih lefs 

 j^leafurc. In a third, much greater pleafure. 



" Mr. Jofiah Wedgwood^ and Mr. Thomas Wedgtuood experienced rather unpleafant 

 feelings, of fome duration in the latter. But we doubt of the quality of the air breathed 

 l»y both, as they took it (except Mr. T. Wedgwood once) at an early period of the invef- 

 tigation ; and in this laft experiment it had an efft;ft rather agreeable. 



Mr. Lovell Edgewortk, at firft felt tremor, vertigo, dizzinefs of fight, which by de- 

 grees fubfided, next a ftrong propenfity to bite the mouth-piece ; after finiftiing the air, 

 eagerly wiftied for more, then was inclined to laugh, and did burft into a moft violent 

 St of laugher ; and laftly, capered about the room without having power to reftrain 

 kimfelf. 



" Mifs Morgan found her feeling* (lightly pleafant from a fmall dofe, but fuccceded by 

 jiddinefs. A larger dofe raifed the pleafurable fenfations very high, and mufcular power 

 feemed increafed ; but upon the whole, the feelings were nearer foothing calmncfs 

 than vivid exhilaration. In another trial with a large dofe, more lively and lafting plea- 

 fure followed, the mufcular power feemed unbounded, though on attempting to walk 

 there was the intoxication. After each of thefe trials, a flight difficulty of breathing 

 ■was felt within doors, but in the open air, the fpirits were very greatly exhilarated. In 

 another trial, fenfation became at each infpiration gradually more iiidiflinft, and recol- 

 leQion was loft for a few moments, the feelings not being unpleafant. Spirits atterward* 

 rather deprefled than raifed. In all the latter trials the head feemed full, and vifion indif- 

 tintl, during inhalation. 



" The Author of this notice, notwithftanding the freedom with which he had foimerly 

 inhaled oxygen gas, for fome time waved the trial of the other. His apoplcftic make, 

 joined to the frequent occurrence of a degree of giddinefs in others, rendered him 

 timid. The perfeft fafety, however, with which he faw the two jwraiytic patients 

 kelow mentioned, and alfo a third, who is juft beginning a courfe of air, perform the 

 txgerimeut, overcame his fcruples. Fox if the firft unpleafant imprcffion, which has 



■* This was pruftifcd in all ihc experiments. 



be«H 



