Rub fish with salt, brown sugar and saltpeter as above directed.
They found a place where saltpeter was very thinly and erratically distributed.
Nitrogen can be obtained from the air, even now, and made into fertilizers even cheaper than the Chili saltpeter.
In 1792, it was the Venetian Embassy, under the Terreur a saltpeter factory.
During recent centuries ordinary brown paper soaked in saltpeter and dried was utilized satisfactorily as an inflammable material.
Dissolve the saltpeter in the vitriol and add it to the water.
All these explosives are made from nitric acid and this used to be made from nitrates such as potassium nitrate or saltpeter.
Corned and smoked meats are usually preserved with saltpeter.
I received letters from Brecknock; that the saltpeter man was dead and buried the Sunday before the messenger came.
In pickling the hams they are first vigorously rubbed with saltpeter and then with salt.
See potassium nitrate.