Sulphur bitters.
Hammerschmidt
D E
DE
D000329:Advertising / Q000266:history*; D005197:Famous Persons; D005765:Gastrointestinal Agents / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D004366:Nonprescription Drugs / Q000266:history*; D013455:Sulfur / Q000266:history*
D005765:Gastrointestinal Agents; D004366:Nonprescription Drugs; D013455:Sulfur