ofSlraUan&SriDum* 37 



jhe Principles and Explications of 

 Varacelfo or other Leading Artifts^ 

 thefe faults of the Theorical parr 

 may be fufficiently compenfated 

 by the Utilities that may be deri- 

 ved from the Practical part. And 

 this I am the rather induced to 

 fay 5 becaufe the Experiments, that 

 Chymiftry fttfnifhes may much 

 affift a Naturalift to re&ifie the 

 Erroneous Theories that often- 

 times accompany Them^ and even 

 thofe (Miftakes) that are endeavoured 

 to be evinced by them. 



And C *° conclude ) Chymiftry 

 feems to deal with men in refe- 

 rence to Notions , as it does in re- 

 ference to Metals affifting wary 

 men to dete® the Errors unto 

 which it may have milled the un- 

 wary : For the fame Art that 

 has taught fome to impofe on o* 

 thers 5 (and perhaps themfelves firft) 

 by blanching Copper^imitatiog Gold 5 

 &Ca does alfo fupply Say-mafters 



and 



