EXP E R I M ENTS 
MADE IN ORDER TO ASCERTAIN 
The N ature of fome Mineral Subfiances; 
A N D, IN PARTICULAR, 
To fee how tar the Acids of Sea-Salt and of Vitriol con- 
tribute to mineralize Metallic and other Subltances. 
BY PETER WOULFE, F. R. S. 
Who was nominated by the Prefident and Council to profecute Difco- 
veries in Natural Hiftory, purfuant to the Will of the late iienry 
baker, Efq. F. R. S. 
