David Rittenhouse, colonial scientist, astronomer, and instrument maker, lived on a nearby farm, where he built a telescope, said to be first made in America, and observed the transit of Venus in 1769.

Marker is on Main Street/Ridge Pike (Old U.S. 422) 0.1 miles east of Trooper Road (Pennsylvania Route 363), on the right when traveling west.

Courtesy hmdb.org

Credits and Sources: