Subjects Public Event

Tour or lecture or other event to which the public is invited. In the context of this website, this could mean either an event that has happened in the past or one that is scheduled for the future.

Penn's Treaty with the Lenape

Penn’s Treaty with the Indians (Watson’s Annals)

Swimmers at Pier 126, Delaware River July 15, 1918

Swimmers at Pier 126, Delaware River, July 15, 1918

Photo of a work crew constructing a sewer in Rock Run, Tacony Creek, Philadelphia

Sewer construction, Rock Run, 1922

Two black-and-white photographs of pipeline construction on State Road. Depicted are a group of people, trees, buildings, a fire hydrant and a grid of boards over the pipes.

State Road triple pipeline construction, 1904