2^^ A P P E N D I X. « 
2. For if after the EfFervefcence was over 
when the Air a z was grown clear, frefh Air was 
then let into the inverted Glafs ay^ there would 
immediately arife a violent Agitation between 
the two Airs, and they would become, from 
tranfparent and clear, a redifh turbid Fume 5 
during which Effcrvefcence a Quantity of 
Air, nearly equal to what frefh Air was lec 
in, would be abforbed ; and if after this Ef- 
fervefcence was over, and the turbid Air was 
again become clear, frefli Air was let in, ic 
would again grow turbid and abforb Air as 
before, and that after feveral repeated Admif- 
fions of Air. But after each Readmiffion of 
frefh Air, the Quantity abforbed was lefs and 
lefs, till no more was abforbed. And it was 
the fame after (landing feveral Weeks, provid- 
ed in the mean time, too much frefh Air had 
not been admitted. 
3. Antimony and Spirit of Nitre at firftab- 
fbrbed a little Air, it had not much Effcd the 
hrfl Day, but the next Morning I found it 
generating Air at a good rate, with redifli 
Fumes. 1 then lifted the inverted Glafs ay • 
from off the Bolthead, and immediately im- 
merfed its Mouth in Water, in the Veffel xXy 
upon which in an Hour’s time, it abforbed four 
Inches 
