MORRISVILLE, Pa. (KYW Newsradio) — Armed with an arsenal of high-tech paranormal gadgets on a recent fall evening, members of Olde City Paranormal explored the property of the Historic Summerseat mansion in Morrisville, Bucks County.
The mansion, built in the 1760s, is the only house known to be owned by two signers of the Declaration of Independence, George Clymer and Robert Morris. It also served as George Washington’s military headquarters for a week in December 1776.
The mansion was named a National Historic Landmark in 1965 and is now managed by the Morrisville Historical Society…