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fufpcft in that corrofive Menftruum : 

 Whereas Spirit of Salt we look up- 

 on as a much more innocent Liquor, 

 whereofj if it be but diluted with 

 fair water or any ordinary drink^ 

 a good Dofe may be fafely given in- 

 wardly, though it have not wrought 

 upon Gold or any other body , to 

 take offits acrimony. But, whether 

 or no this prove of any great ufe in 

 Phyfick 5 wherein perhaps ^ if any 

 quantity of Gold be to be diflbl- 

 ved a greater proportion of Spirit 

 of Nitre would be needed $ the fuc- 

 cefs will not be unfit to be men- 

 tiond in reference to what we were 

 faying of Solvents, For, whereas 

 we find not that our Spirit of Salt 

 here in England will at all diflblve 

 crude Gold, we found, that by put- 

 ting fome Leaf-gold into a conveni- 

 ent quantity of good Spirit of Salt, 

 when we had dropt-in Spirit of Ni- 

 tre ((haking the Glafs at each drop^) 

 till we perceived, that the mixture 

 was juft able in a moderate heat to 

 diflblve the Gold, we found, that 

 B 4 we 



