then dipped into a weak solution of saltpeter, (nitrate of potash,) is then pressed dried, in a warm room, and is fit for use." Three parts (by weight) of gun-cotton thus prepared is equal in ...
Enslaved Black Americans mined the caves for saltpeter starting in the 18th century, and enslaved men and women also developed cave tour routes as Mammoth Cave transitioned into a tourist ...
There would be no bright and colorful fireworks without rocks and minerals. A firework is produced by launching a shell containing fuel and a color mix high into the air, where it explodes. This ...
Ordinarily a solution of nitrate of potash (common saltpeter) is employed; but in elaborating certain varieties of white powder Captain Schultze prefers a&d uses nitrate of baryta. Having traced ...