of Comical ^ectpttatton. is 



That in many Precipitations there 

 is made a coalition betwixt thefmall 

 parts of the precipitant and thofe of 

 the diflblved metal, or other body 5 

 and Frequently alfo with the faline 

 fpirits of the Menftruum, may be ea- 

 fily (hewn by the weight of the Pre- 

 cipitate, which though carefully 

 wafhed and dryed, often furpafles* 

 and fometimes very confiderably * 

 that of your crude metal that was diO 

 folved^ of which we lately gave an 

 inftance in Aurumfulminans and pre* 

 cipitated Silvery & we may yetgivea 

 more confpicuous one^ in that which 

 Chymifts call Luna Cornea: For* 

 if having diflblved Silver in good 

 Aquafortis^ you Precipitate it with 

 the folutionof Sea-falt iafair water, 

 and from the very white Precipitate 

 wafh the loofe adhering falts > the 

 remaining powder, being dryed 

 and flowly melted, will look much 

 lefs like a metalline body than 

 like a piece of horn^ whence alfo 

 it takes its name \ fo confiderable is 

 % the 



