42 ©f tlje g9*t&anftal $D*fgtne 



obvious effc&s and Phenomena of 

 the vehement and tumultuous moti- 

 on, which is able to throw up vifi- 

 bly into the air great ftore of Gor- 

 pufcles , in the form of vapours or 

 fmoak. Thus in a heated Iron the 

 vehement agitation of the parts may 

 be eafily inferred from the motion 

 and hiding noife it imparts to drops 

 of water or fpittle that fall upon it. 

 For it makes them hifs and boil, and 

 quickly forces their particles to quit 

 the form of a liquor 3 and flye into 

 the air in the form of fteams* And 

 laftly, Fire,whichis the hotteft body 

 we know, confifts of parts fo veho 

 mently agitated, that they perpetu- 

 ally and fwiftly flye abroad in 

 fwarms, and diffipate or (hatter all 

 the combuftible bodies they meet 

 with in their way j> fire making fo 

 fierce a diffolution , and great a dif- 

 perfion of its own fuel 9 that we 

 may lee whole piles of folid wood 

 (weighing perhaps many hundred 

 pounds ) fo diffipated in very few 

 hours into flame and fmoak, that of- 

 tentimes 



