Spotlight on Patent Medicines – Dr. William Hall’s Balsam for the Lungs

*the following guest blog post was written by Varsha Jayaraman, Queen’s Work Study Curatorial Assistant In the mid-to-late twentieth century, advertising trade cards were important for circulating information about patent medicines, or “over-the-counter” drugs.  Dr. William Hall’s Balsam was printed by the Donaldson Brothers of Five Points, New York, a popular advertiser from 1872 to 1891.