Warwick Furnace Farms is a historic district in northern Chester County

Chester County, Pennsylvania

-State parks:*French Creek State Park*Marsh Creek State Park*White Clay Creek Preserve-Demographics:As of the 2010 census, the county was 85.5% White, 6.1% Black or African American, 0.2% Native American or Alaskan Native, 3.9% Asian, 0.0% Native Hawaiian, 1.8% were two or more races, and 2.4% were...

, Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

 that includes the ruins of an early iron furnace, the ironmaster's house and workers' houses, as well as a historic farm house and barns now used in the operation of a working farm. The furnace was a center of colonial iron making and is associated with the introduction of the Franklin Stove

Franklin stove

The Franklin stove is a metal-lined fireplace named after its inventor, Benjamin Franklin. It was invented in 1741.L.W. Labaree, W. Bell, W.B. Willcox, et al., eds., The Papers of Benjamin Franklin , vol. 2, page 419...

, and the retreat of George Washington

George Washington

George Washington was the dominant military and political leader of the new United States of America from 1775 to 1799. He led the American victory over Great Britain in the American Revolutionary War as commander-in-chief of the Continental Army from 1775 to 1783, and presided over the writing of...

's army following its defeat at the Battle of Brandywine

Battle of Brandywine

The Battle of Brandywine, also known as the Battle of the Brandywine or the Battle of Brandywine Creek, was fought between the American army of Major General George Washington and the British-Hessian army of General Sir William Howe on September 11, 1777. The British defeated the Americans and...

. The furnace operated through the 1860s and supplied the iron used in the iron-clad ship the USS Monitor

USS Monitor

USS Monitor was the first ironclad warship commissioned by the United States Navy during the American Civil War. She is most famous for her participation in the Battle of Hampton Roads on March 9, 1862, the first-ever battle fought between two ironclads...

 during the Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

. The 786 acre historic district

Historic district

A historic district or heritage district is a section of a city which contains older buildings considered valuable for historical or architectural reasons. In some countries, historic districts receive legal protection from development....

 was listed by the national Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

 in 1976.
A historical marker on the site reads:
Several other sites listed by the National Register of Historic Places are within a couple of miles of the site, including Hockley Mill Farm, to the east on Warwick Furnace Road, Warrenpoint

Warrenpoint

Warrenpoint is a small town in County Down, Northern Ireland. It lies on the northern shore of Carlingford Lough and is separated from the Republic of Ireland by a narrow strait. The town sprang up within the townland of Ringmackilroy...

 to the north, Warwick Mills to the west, and Brower's Bridge upstream (west) on the South Branch of French Creek.