of fceatanfc&olD* 53 



now annex. For here it may be ob- 

 served , that both the diffolved Salt 

 of Tartar lately mentioned , and the 

 artificial Liquor that grows hot with 

 the natural, reacquires that Difpoli* 

 tion to Incalefcence upon a bare 

 Conftipation or clofer Texture of 

 the parts from the fuperfluous moi- 

 fture they were drowned in before : 

 The Heat that brought them to this 

 Texture having been fo gentle, that 

 'tis no way likely that the igneous 

 Exhalations could themfelves pro- 

 duce fuch a Heat , or at lead that 

 they fhould adhere in fuch numbers 

 as muft be requifite to fuch an effeft, 

 unlefs the Texture of the Salt of 

 Tartar (or other body) did pecu- 

 liarly difpofe it to detain them 5 fince 

 I have found by Trial, 

 that Sal Armoniac dif- EXPER. IF. 

 fol v'd in water,though 

 boiled up with a brisker fire to a dry 

 fait, would, upon its being again difc 

 folved in water , not produce any 

 Heat, but a very confiderable de- 

 gree of Cold. I (hall adde , that 

 I though 



