Inflammable. 



Hepatic air loo cubic inches of it united to 



water may contain 8 of fulphur. 

 Sulphur 60 acid and 40 of phlogifton. 



Proportion of Ingredients in Metallic Ores. 



100 Parts. Gold. 



Ore of Adelfors or Norway 99,59 martial 



pyrites 0,41 gold. 

 of Sal/burg in Tyrole T V~ arfenical 



pyrites, and, 052 of gold. 

 of Nagaya 99 pyrites, galena and 



filver, 0,83 of gold. 

 Gold fandof Africa 0,22 at moft. 



100 Parts. Si her. 



Vitreous ore 25 fulphur, and 75 of filver. 



Slightly arfenicated at Quad anal- canal \Q 

 arfenic, and 90 of filver. 



fuperarfenicated at ditto- ditto from 4 



to 6 ozs. of filver per quintal. 



Jfo/ore- 31 realgar, 8 fulphur, and 60 filver 

 generally. 



Black ore folid 40 fulphur, arfenic, and py- 

 rites, and 60 filver. 



Black 



