Item Types Image

Plan of Philadelphia, John Hills, May 30, 1796

Plan of Philadelphia, John Hills, 1796

Dauphin and Sydenham car crash, Jan. 17, 1978

Pen and ink drawing of the proposed Delaware Seventh Street Sewer

Plan and profile of proposed Delaware Seventh St. Sewer, 1850

Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia

Laying the Main (2004.057.0074.007)

Commencement of laying the main on the East side of the River, 1871

Photo of Allegheny Avenue Sewer, Pier 126, Delaware River, July 15, 1918

Allegheny Avenue Sewer at Pier 126, 1918

The Pennypack Sewage Treatment Works in 1914

Pennypack Sewage Treatment Works, 1914

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

Sewer construction, Rock Run, 1922

Eleven men in a work gang plug leaks in a tunnel, the Torresdale Conduit

Torresdale Conduit work gang, 1906