94 Hdemajlatks. 
cicnt Qiiantky of Oil of Vicrol, which made 
it as hot as my Hand could well bear. Then 
I approached the bottom of the Flask tofomc 
Tinfel, Down and Hairs, but it neither at- 
trafted nor repelled any of them. And it was 
the ftme when a ftrong EfFervefcence was made 
with double Aqua-fortis and Filings of Iron, 
8. It was obfervable that thefe fuddcn hot 
Effervefcenes which arofe in the Mixture did 
not fenfibly affed Tinfel, tho* placed 
near the bottom of the Flask before the Mix* 
cure was put in ; a probable Argument that 
no fubtile Matter ruflied fuddenly thro* the 
Pores of the Glafs to caufe that Effervefcence. 
Whereas eledrical Effluvia do mofl: eafily pafe 
thro* the Pores of a glafs Sphere which has 
been rubbed fo as to acquire Eledricity. 
p. Some Tinfel, ^c. being laid on the 
Outfide neat the Bottom of a Flask, into 
which fome Blood had juft flowed from a 
Hog, they were not attraded. I placed the 
Tinfel thus on the Outfide of the Glafs, there^ 
by to intercept the warm Vapour of the Blood 
which I apprehended might hinder the At- 
tradion, if the Tinfel had beeii approached to 
the Surface of the Blood, 
