700 feet N.E. of this memorial stood the log cabin from which David Rittenhouse observed the transit of Venus June 3, 1769. Permission to use this site was given by Herbert T. Ballard, owner of this property.
David Rittenhouse, born in 1732, lived here until 1770. Here he began his distinguished scientific career; and computed and observed the transit of Venus, 1769. Spent later years in Philadelphia, where he dies in 1796.