pear r d, that common unre&ified Oyl 

 would perform the Solution much 

 quicker than that which was puri- 

 fied and fubtiliz'd by rectification 5 

 which though more fubtle and pe- 

 netrant, yet was, it feems, on that 

 account lefs fit to diflblve the Metal, 

 than the grofTer Oyl whofe particles 

 might be more folid or more advan- 

 tageoufly fhap^d 9 or on fome other 

 Mechanical account better qualified 

 for the purpofe. 



EX PER. X. 



TAke good Silver, and, having 

 difiblv'd if in Aqua. Fortis, pre- 

 cipitate it with a fufficient quantity 

 of good Spirit of Salt 5 then having 

 wafh'd the Calx, which will be very 

 white, with common water, and dri- 

 ed it well, melt it with a moderate 

 fire into a fufible Mafs, which will be 

 very much of the nature of what 

 Chymifts call Cornu Lun&^ and which 

 they make by precipitating diflblv'd 

 E 3 SiL 



