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1by Sage, Balthazar Georges, 1740-1824Subjects: “...Gold Assaying....”
Published 1780
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2by Sage, Balthazar Georges, 1740-1824Subjects: “...Assaying....”
Published 1780
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6by Notley, SamuelSubjects: “...Gold Assaying Mexico....”
Published 1828
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7Published 1819Subjects: “...Gold Assaying Tables....”
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8by Bradford, William, teacher of mathematicksSubjects: “...Assaying apparatus....”
Published 1753
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9by Bradford, William, teacher of mathematicksSubjects: “...Assaying apparatus....”
Published 1754
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10Published 1726Subjects: “...Assayers France....”
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