5 o ©f tfje $£n fjam'cal Mgtne of 



king a comminution of the Corpu- 

 fcles , or weakening their Cohefion. 

 And we fee 3 that divers Bodies are 

 brought by fit preparations to be re- 

 foluble in Liquors that would not 

 work on them before. Thus, as was 

 lately noted , Lime-ftone by Cal- 

 cination becomes ( in part ) diflb- 

 luble in water 5 and fome Metalline 

 Calces will be fo wrought on by Sol- 

 vents, as they would not be by the 

 fame Agents, if the preparation of 

 the Metalline or other Body had not 

 given them a new Difpofition. Thus, 

 though crude Tartar efpecially in 

 lumps, is very (lowly and difficultly 

 diflbluble in cold water, yet when 

 'tis burnt it may be prefently diflbl- 

 ved in that Liquor > and thus, 

 though the Filings and the Calx of 

 Silver will not be at all difTolv'd by* 

 common water or Spirit of Wine 5 

 yet if by the interposition of the 

 Saline Particles of Aqua, Fortfc , the 

 Lunar Corpufcles be \o disjoyn'd 3 and 

 fuffer fuch a comminution as they do 

 in Cryftalsof Lune, the Metal thus 



pre- 



