206 PHYSIOLOGICAL REMAINS. 



The, third letter of the cross-row, touching the variation 

 of metals into several shapes, bodies, or natures, the 

 particulars whereof follow. 



TINCTURE : turning to rust : calcination ; subli 

 mation : precipitation : amalgamating, or turning 

 into a soft body : vitrification : opening or dissolving 

 into liquor : sproutings, or branchings, or arbores- 

 cents : induration and mollification : making tough 

 or brittle : volatility and fixation : transmutation, or 

 version. 



For tincture : it is to be inquired how metal may 

 be tinged through and through, and with what, and 

 into what colours ; as tinging silver yellow, tinging 

 copper white, and tinging red, green, blue ; especially 

 with keeping the lustre. 



Item, tincture of glasses. 



Item, tincture of marble, flint, or other stone. 



For turning into rust, two things are chiefly to be 

 inquired ; by what corrosives it is done, and into 

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

 call &quot; ceruss ;&quot; iron into yellow, which they call 

 &quot;crocus martis;&quot; quicksilver into vermilion; brass 

 into green, which they call verdegrease. 



For calcination ; how every metal is calcined, and 

 into what kind of body, and what is the exquisitest 

 way of calcination. 



For sublimation; to inquire the manner of sublim 

 ing, and what metals endure subliming, and what 

 body the sublimate makes. 



