Important: Safety Warning
This page contains instructions involving gunpowder or other explosive or pyrotechnic compositions. Preparing explosives as described has caused severe injuries and deaths, and is illegal in most places.
This information has been left in for historical purposes but should not be acted upon.
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Blue Fire (Only mixture to be relied)
The only mixture to be relied on, though the light is not purely blue, but bluish white, is the following: Saltpetre, be kept in a dry place in a well-closed bottle, 2109. Red Fire. The following mixas any rust damages it. Fireworks containing it should not be made very long before using.