8 8 J/e get able Static ks] 
clouds, the day and night before, 24 hours 
continual rain : I cut off a branch of a Gol-^ 
den‘Tippm 4 ree, b b (Fig. 13.) about 3 feet 
long, with feveral large lateral branches ; its 
diameter at the great end p near an inch, 
which end I cemented well, and tyed over 
k a piece of wet bladder. 
Then I cut off at i the main top twig, 
where it \yas \ inch diameter : I cemented 
the glafs tube ^ r, to the remaining branch 
i r, and then filling the tube with water, 
let its lower end in the mercury x : So 
that now the branch was placed with its 
top i downwards in the water, in the Aqueo- 
rnercurial gage. 
It imbibed the water with fuch ftrength, 
as to raife the mercury with an almoft e- 
quable progreflion 1 1 i inches by 3 a 
dock, (the fun (laining then very warm) 
at which time the water in the tube r i 
being all imbibed,* fo that the end / of the 
branch v/as out of the water, then the air 
bubbles paffing more freely down to /, and 
no water being imbibed, the mercury fub- 
fided 2 or 3 inches in an hour. 
At a quarter part 4 a clock, 1 refilled the 
gage with water, upon which the mercury 
rofe 
