Sulphur & Saltpetre Production

Attributes: .................Intellect & Wisdom

Level: .........................DF: 3 BCS 40%; 500 Exp

These two linked activities cover the refining of sulphur from volcanic sources by heating in oil and the production of saltpetre from animal dung and urine, as well as the washing and filtering of the composted results through wood ash to obtain potassium nitrate.