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The Epic Interactive Encyclopedia 1996
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Epic Interactive Encyclopedia, The (1996)(Epic Marketing)[non-bootable].iso
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saltpetre
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1992-09-02
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250b
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8 lines
A saltpetre is a former name for potassium
nitrate (KNO3), the compound used in making
gunpowder (from about 1500). It occurs
naturally, being deposited during dry periods
in places with warm climates, such as India.
Subject by: Andrew Longhorn