Philadelphia, PA, United States
Shot Tower. First in the nation. Built 1808 by Thomas Sparks & John Bishop to make hunting shot, it symbolized a new U.S. industrial independence. Bishop, a Quaker, sold his share when ammunition was made here for the War of 1812. The Sparks family stayed in control until 1903.
Listen to the audio guide for Shot Tower, Thomas Sparks, and John Bishop blue plaque Free on WIP — starts by itself when you arrive, even with the screen off