9 8 Vegetable Statkks. 
tion of the adies, to fupply fome of the air 
bubbles which were drawn out at /. 
But when I feparated the tube c o from 
the gage r Zy and fet the end / in water, 
then the moifture ( being not reftrained as 
before ) rofe faftcr and higher in the afhes 
c Oy and deprefled the mercury at Uy fo as 
to be 3 inches lower than in the leg b, by 
driving the air upwards, which was inter- 
mixed with the afhes. 
I filled another tube 8 feet long, and \ 
inch diameter with red lead ,• and affixed it 
in the place of r ^ to the gages a by r , 
The mercury rofe gradually 8 inches to z. 
In both thefe Experiments, the end / was i 
covered with innumerable air bubbles, many i 
of which continually pafled off, and were 
fucceeded by others, as at the tranfverfe cuts i 
in the Experiments of this chapter. And as i 
there, fo in thefe, the quantity of air bub- : 
bles decrcafed every day, fo as at laft to have 
very few : The part i immerfed in the wa- i 
ter, being become fo faturate therewith, as j 
to leave no room for air to pafs. ! 
After 20 days 1 picked the minium out i 
of the tube, and found the water had rifen 
3 feet 7 inches, and would no doubt have ' 
rifen 
