National Museum of American History
SAL MIRABIL GLAUB
17th-18th century
This blown and molded drug jar is marked "SAL MIRABIL GLAUB", and known as "Mirabile Glauber's Salt" or Sodium Sulfate. Described by the German chemist Johan Rudolf Glauber (1604-1670), sodium sulfate was used in processing glass. As a medicinal it served as a laxative and stypic.
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