[ ] 
much hotter than when boiled in the open air 5 fo 
that if the clofe veffel fhould burd, or be opened 
fuddenly, I doubt not but the whole body of the 
water would immediately expand itfelf into deam, 
and fly out of the veflel with great violence. . 
I know not whether thefe experiments, and the 
obfervations founded upon them, will appear new 
to you as they did to me j fuch as they are, I fub- 
mit them to your confideration j and.am, 
S I R, 
With great refpedt,' . 
Your mod obedient* 
Humble fervant, , 
Trinity College, Dublin, 
March 5, 1765. 
Hugh Hamilton.: 
xxiv: 
