Usage examples "saltpeter":
- Thus sulphur and saltpeter are always contraband. - "Our War with Spain for Cuba's Freedom", Trumbull White.
- Keep water before them at all times, adding Saltpeter, one teaspoonful to every gallon of water. - "The Veterinarian", Chas. J. Korinek.
- The inventive spirit of America was busy with plans to procure saltpeter and other ingredients for making powder, but it remained scarce. - "Washington and his Comrades in Arms A Chronicle of the War of Independence", George Wrong.