1. Cautions to the public against new attempts to substitute a spurious preparation for the original syrup of Mr. de Velnos: the recipe for which has been purchased of Dr. Mercier ... by the author, Isaac Swainson, sole proprietor of Velnos' Original Vegetable Syrup Author(s): Swainson, Isaac, 1746-1812, author Publication: [London?] : [publisher not identified], MDCCLXXXV [1785] Subject(s): Counterfeit DrugsEnglandMercier, Peter.Velnos, Jean-Joseph Vergely de.
