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but emerge? as may be feen in thePre- 

 paration of thofe Magifteries of Ve- 

 getables, I elfwhere mention \ where 

 fome deeply coloured plants being 

 made to tinge plentifully the Lixivi- 

 um they are boyled in, are afterwards 

 by the addition of Alum made to 

 curdle, as it were, into coloured Con- 

 cretions, which being ( totally or in 

 part ) too big to fwim as they did be- 

 fore they conven'd, and too light in 

 comparifon of the Menftruum to fub- 

 fide,emergeto the top and float there. 

 An eafier and neater Example to the 

 fame purpofe I remember I (hewed by 

 diffolving Camphire in highly re&i- 

 fied fpirit of Wine, 'till the folution 

 was very ftrong. For though the 

 Camphire, when put in Lumps into 

 the fpirit, funk to the bottom of it j 

 yet, when good ftore of water, (a 

 liquor fomewhat heavier in Specie 

 than Camphire,) was^poured upon 

 the folution, the Campfaire quickly 

 concreted and returned to its own 

 nature, and within a while emerged 

 to the top of the mingled liquors and 



floated 



