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Oyl of Vitriol into a ftrong Glafs- 

 Vial proportionable to it, we found, 

 that, except a little that was fluid at 

 the top r it was all congealed or co- 

 agulated into a mafs like Ice, though 

 the Glafs ftood in'a Laboratory 

 where a fire was conftantly kept not 

 Far from it-, and where Oyl of Vi- 

 tripl very feldo'mor never has before 

 or fince been obferv'd to congeal or 

 coagulate fo much as in part. And 

 the cdoefs of our Vhanoimnon was 

 increased by this Circumftance, that 

 the Mafs continued folid a good 

 while; after the weather was grown 

 too mild to have fuch Operations 

 upon Liquors far lefs indifposxi to 

 lofe their fluidity by Cold , than e« 

 ven common Oyl of Vitriol is. On 

 the other fide 1 remember, that a- 

 bout two years ago, I exposed fome 

 Oyl of fweet Almonds hermetically 

 feai'd up in a Glafs- bubble, to ob- 

 ferve what Condenfation an intenfe 

 cold could make of it, ( for though 

 Cold expands water, it condenfes 

 common oyl 5 ) but the next day I 



found 



