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Updated: May 14, 2025
GUNPOWDER. Reduce to powder separately, five drams of nitrate of potass, one dram of sulphur, and one of new-burnt charcoal. Mix them together in a mortar with a little water, so as to make the compound into a dough, which roll out into round pieces of the thickness of a pin, upon a slab. This must be done by moving a board backwards and forwards until the dough is of a proper size.
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