Dr. Van Swieten's, late physician to His Imperial Majesty, renowned pills, (the receipt whereof has been obtained by particular favor.) are deservedly reckoned among the most salutary and most efficacious medicines [electronic resource] : ... these pills are now advertised for sale, and may be had of Tobias Hirte at Mr. Conrad Gerhard's no. 118 North Second Street the third door above the corner of Race-Street Philadelphia