...scattered through the earth that forms the floor of the cave. In procuring it, the earth is lixiviated, and the lye, when evaporated, yields the saltpeter. India is its most abundant locality s where it is obtained largely for exportation. It is there used for making a cooling mixture , an...

...cave. In procuring it the earth is lixiviated, and the lye, when evaporated, yields the saltpetre. India is its most abundant locality, where it is obtained largely for exportation. It readily dissolves in water, lowering its temperature, and is used in India as a frigorific agent. Spain...

...procuring it the earth is lixiviated, and the lye, when evaporated, yields the saltpetre. India ¡я its most abundant locality, where it is obtained largely for exportation. It readily dissolves in water, lowering its temperature, and is used in India as a frigorifie agent. Spain...

...scattered through the earth that fonr the Boor of the cave. In procuring it, the earth is lixiviatea. and the lye, when evaporated, yields the saltpeter....Spain and Egypt also afford large quantities of niter foi commerce. This salt forms, on the ground in the hot weather succeeding copious rains, and appears...

...the cave. In procuring it, the earth is lixiviated, and the lye, when evaporated, yields the nitre. India is its most abundant locality, where it is obtained largely for exportation. Spain and Egypt also afford large quantities of nitre for commerce. This salt forms on the ground in...

...far West. In procuring it, the earth is lixiviated, and the lye, when evaporated, yields the nitre. India is its most abundant locality, where it is obtained largely for exportation. This salt forms on the ground in the hot weather succeeding copious rains, and appears in silky tufts...