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Standard Heated Ball Mill For Black Powder

The celebrated gascoignes powder, which was sold as late as the middle of the 19th century in the form of balls like sal prunella, consisted of equal parts of crabs eyes, the black tips of crabs claws, oriental pearls, oriental bezoar and white coral, and was administered in jelly made of harts horn, but was prescribed by physicians chiefly for wealthy people, as it cost about forty.

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