60 m tty 8£ecf)attical 0Dngtne of 



EX PER- v. 



IN the Fifteenth of the foregoing 

 Experiments I refer to a way of 

 making the Flower or Powder of 

 common Sulphur become eafily diffo- 

 luhit) which other wife 'tis far from 

 being ., in highly rectified Spirit of 

 Wine. Wherefore I (hall now adde^ 

 that 'tis quickly perform'd by gent- 

 ly melting the Sulphur 5 and incor- 

 porating with it bj degrees an equal 

 or a greater weight of finely pow- 

 der d Salt of Tartar, or of fixt Ni- 

 tre. For if the mixture be put 

 warm into a Mortar that is fotoo$ 

 and as foon as 'tis reduced to pow- 

 der, be put into a Glafs 5 and well 

 fhaken with pure Spirit of Wine, 

 it will, ( as perhaps I may have elfe- 

 where obferv* d, ) in a few minutes 

 acquire a yellow colour D which af- 

 terwards will grow deeper, and ma- 

 nifeft u '. : If the fmell and effe&s 

 to be a real Solution of Sulphur; 



and 



