404 PHYSIOLOGICAL REMAINS. 



colours it turns ; as lead into white, which they call 

 cerus ; iron into yellow, which they call crocus martis ; 

 quicksilver into vermilion ; brass into green, which 

 they call verdigrease. 



For calcination ; how every metal is calcined, and 

 into what kind of body, and what is the exquisitest way 

 of calcination. 



For sublimation ; to enquire the manner of subliming, 

 and what metals endure subliming, and what body the 

 sublimate makes. 



For precipitation likewise ; by what strong water 

 every metal will precipitate, and with what additaments, 

 and in what time, and into what body. 



So for amalgama ; what metals will endure it, what 

 are the means to do it, and what is the manner of the 

 body. 



For vitrification likewise ; what metals will endure it, 

 what are the means to do it, into what colour it turns, 

 and further where the whole metal is turned into glass, 

 and where the metal doth but hang in the glassy parts ; 

 also what weight the vitrified body bears, compared 

 with the crude body ; also because vitrification is ac- 

 counted a kind of death of metals, what vitrification 

 will admit of turning back again, and what not. 



For dissolution into liquor, we are to enquire what is 

 the proper menstruum to dissolve any metal, and in the 

 negative, what will touch upon the one arid not upon 

 the other, and what several menstrua will dissolve any 

 metal, and which most exactly. 'Item the process or 

 motion of the dissolution, the manner of rising, boiling, 

 vapouring, more violent or more gentle, causing much 

 heat or less. Item the quantity or charge that the 

 strong water will bear, and then give over. Item the 



