[ I?? ] 



a remarkable fine quality, in which ^ an ~ f 

 the flame of a wax-taper burned the w ° 



a airs del 1 * 



with the mofc beautiful brilliancy. lo > ed - 

 It gave, by Abbe Fontana's teft, 



i-87t; 1-735 i -54t; i-37; - oi ; 

 3-°°- 500 



, One meafure of it with two of ni- 

 trous air occupied 0.94 ; with three 

 1.37 ; with four 2.33. 367 



6. A plant of a moderate fize of 

 common thijlle, juft before it flow- 

 ered, was put in the fame manner 

 in the fun-fhine, from eleven till 

 two o'clock; much dephlogifticated 

 air was obtained of a pure quality ; 

 it gave, by Abbe Fontana's teft, 



1. 81; 1.51; 1.36; 1.60; 2.60, 440 



One meafure of it with two of ni- 

 trous air occupied 0.65 ; with three 

 1.67 ; with four 2.79. 321 



7. Two handfuls of leaves of 

 French Bea?is were in the fame way 



expofed 



