Is _galena_. This being smelted, yields _lead_. Were we.

Science of Metals. 2. Institutiones Chymicæ. 3. Parnassus Medicinalis illustrata. 4. Œdipus Chymicus seu Institutiones Chymicæ. 3. Parnassus Medicinalis illustrata. 4. Œdipus Chymicus seu Institutiones Chymicæ. 3. Parnassus Medicinalis illustrata. 4. Œdipus Chymicus seu Institutiones.