Analyfis of the Air. 303 



ftr oyed by the water's afcending above z, z. 

 And the event was the fame upon frequent 

 repetitions of the fame Experiment. 



But if inftead of the fumes of burning 

 Birmftone, I filled a Flask full of fumes from 

 the fmoak of wood, after it had done flam- 

 ing, then there was but half as much air 

 abforbed by thofe fumes, as there was by 

 the fumes of Brimftone 5 viz. becaufe 

 the fmoak of wood was much diluted with 

 the watry vapour which afcended with it 

 out of the wood. And this is doubtlefs the 

 reafon why the fmoak of wood, tho' it in- 

 commodes the lungs, yet it will not fuffocate 

 like that of Charcoal, which is withal more 

 fulphureous, without any mixture of watry 

 vapours. 



And that new generated elaftick air is re« 

 forbed by thefe fumes, I found by attempting 

 to fire a Match of Brimftone with a burn- 

 ing glafs, by means of a pretty large piece 

 of Brown Paper which had been dipped 

 in a ftrong folution of Nitre, and then 

 dryed : Which Nitre in detonizing generated 

 near two quarts of air, which quantity of air 9 

 and a great deal more, was abforbed, when 

 the Brimftone took fire and flamed vigoroufly. 

 % Sq 



