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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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Bengal Lights
Braunschweizer recommends the following mixtures as not producing injurious fumes: For red lights: 9 parts nitrate of strontia, 3 parts shellac, 1 parts chlorate of potassa. For green: 9 parts nitrate of baryta, 3 parts of shellac, 1½ parts chlorate of potassa. For blue: 8 parts ammoniacal sulphate of copper, 6 parts chlorate of potassa, 1 part of shellac. 10 parts boracic acid, 17 sulphur, and 73 parts chlorate of potassa. 2082. Green Fire for Theatrical Tableaux. Take 18 parts chlorate of potassa, 22 parts sulphur, CO parts nitrate of baryta.