[ i8 7 ] 



amounts to o6 fub-divifions lefs^ 3 "- 



■S nty or 



than bv Abbe Font ana's method, tl . ,er J w ° 



■* airs del- 



2. Two handfuls of leaves of a tr °y cd - 

 willow tree were put in the fame 

 way in the fun-fhine, between ele- 

 ven and two o' clock ; the dephlo- 

 giiricated air obtained gave, by the 

 nitrous teft of Abbe Fontana, the 

 following refult : 



1.96; 1.83^; 1. 71; 1.64; 2.55. 445 

 By the other teft it gave the follow- 

 ing refult : one meafure of this air 

 with two of nitrous air occupied 

 0.85; with three 1.75; with four 

 2 -72. 328 



3. Two handfuls of Lamrum 

 Album were expofed in the fame, 

 way to the fun-mine, from ten in 

 the morning till two in the after- 

 noon. A great quantity of dephlo- 

 gifticated air was obtained of a fine 



quality ; 



