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placed towards the fun rather better 

 than the common air was at that 

 time. But the air of the other jar 

 was lefs good than the common air; 

 for one meafure of it with one of 

 nitrous air occupied i . 1 3 ; where- 

 as one meafure of the common air 

 with one of nitrous air occupied 



I.06y. 



46. Two handfuls of leaves of a 

 walnut-tree were put into a gallon 

 jar, filled with pump water, and 

 placed about four feet from the 

 wall of the houfe towards the north, 

 and under the ihade of rafsberry- 

 bufhes, fo that no rays of the fun 

 could reach it. After Handing there 

 during feven hours in an agreeable 

 warm day, fcarce ~ of air was ob- 

 tained of what thefe leaves ufed to 

 give in the fun-mine ; and this air 

 was of fuch a bad quality that a 



candle 



