Saltpeter hi-res stock photography and images - Alamy
Firearms History, Technology & Development: What is a Saltpeter Man?
Salpeter, potassium nitrate, calis salt biscuit salt peter, with food grade riesel aids KNO3 - powder from Germany. Bag 1000g. (1 kg) : Amazon.se: Grocery
Alchemy Alphabet: SALTPETER / SALT-PETRE (Sal Petrae "stone salt"), Salt of Peter, Salt of Petra, Petersalt, syn.: Indian salt. Potassium nitrate: Chemical formula=[KNO₃]. Stock Vector | Adobe Stock
Buy more saltpeter! | The Happy Hermit
Remove saltpetre efflorescence with “Salpeter Stop” concentrate - Schaich-Chemie