1913 ~18km Ship Control Simulator at the Navigation School Glasgow United States › Delaware › New Castle › Glasgow
1946 ~27km Einstein giving a lecture to Lincoln University students about his theory of relativity Lincoln University United States › Pennsylvania › Chester › Township of Lower Oxford › Lincoln University
c.1910 ~31km Street Delaware City United States › Delaware › New Castle › City of Delaware City › Delaware City
1930 ~31km Witherspoon Tavern Delaware City United States › Delaware › New Castle › City of Delaware City › Delaware City
1922 ~31km Johnson Seed Potato Storage House Delaware City United States › Delaware › New Castle › City of Delaware City › Delaware City
c.1915 ~46km DUPONT CLUB HOUSE Danceys Corner United States › New Jersey › Salem › Township of Carneys Point › Danceys Corner
