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Several methods of making salt-petre; recommended to the inhabitants of the United Colonies, by their representatives in Congress
United States. Continental Congress.1775
Páginas: 12
Género: Saltpeter
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An act and law, made and passed by the General Court, or Assembly of His Majesty's English colony of Connecticut, in New-England, in America
Connecticut.
1755
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![Notes on making saltpetre [sic] from the earth of the caves](/_next/image?url=https%3A%2F%2Fcovers.openlibrary.org%2Fb%2Fid%2F6789229-M.jpg&w=3840&q=75)