II 



■« 



f 





10 



- V 



*w 



/^ 



200 Analyfts of the Air. 



Oyfterjhell and .Mi/£ generated a little air: 

 But Limon juice and J$$ did at the fame 

 time abforb a little air ; as did alfo Calves 

 Rennet and Vinegar ; fomc of the hmtRennet 

 alone generated a little air, and reforbed it 

 again the following day. It had the fame 

 effect when mixed with crams of bread. 



Experiment LXXXIV. 



A cubick inch of Limon juice, and near 

 an equal quantity of fpirits of Harts-horn, 

 per fe, i. e. not made with Lime, did in 4 

 hours abforb 3 or 4 cubick inches of air j 

 and the following day it remitted or ge- 

 nerated two cubick inches of air : The third 

 day turning from very warm to cold, it a- 

 gain reforbed that air, and continued in art 



abforbing (late for a day or two. 



That there is great plenty of air incor- 

 porated into the fubftance of Vegetables, 

 which bv the action of fermentation is rouzed 

 into an claltick ftatc, is evident by thefe fol- 

 lowing Experiments, vL 



uS?« 



Experiment LXXXV. 



March the 2d, I poured into the bolt: 

 head b (Fig. 34.) forty two cubick inches 



4 





I 



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iiksoi 



si a \ i 

 line 



In 



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