HistoricSiteMarkers
Early Republic

Shot Tower

Philadelphia, Philadelphia County, Pennsylvania

Marker Inscription

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.

Erected by Pennsylvania Historical and Museum Commission

The Story

Built in 1808 by Thomas Sparks and John Bishop, this was the first shot tower in the United States, where molten lead was dropped from a great height to form perfectly round hunting shot as it cooled. When the works began producing ammunition for the War of 1812, Bishop, a Quaker opposed to war, sold his share. The Sparks family kept the tower in operation until 1903.

Why it matters

The Shot Tower symbolized America's push for industrial self-sufficiency, freeing the young nation from dependence on imported manufactures just as it faced war with Britain.

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Related people

  • · Thomas Sparks
  • · John Bishop

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