Item Types Image

Photograph of Roberts Mill on Wingohocking Creek in Germantown, built in the late 17th century. (Photograph by J. C. Browne, 1871. Castner Collection/Free Library of Philadelphia)

Roberts Mill, Wingohocking Creek, 1871

Scenes on the Wissahickon

Scenes on the Wissahickon Creek (Picturesque America)

Wissahickon near Paper Mill Bridge, 1873

Wissahickon Creek near the Paper Mill Bridge (Picturesque America)

Drive Along the Wissahickon

Drive along the Wissahickon Creek Vallley (Picturesque America)

Thomas Mill Covered Bridge on the Wissahickon

Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)

Queen Lane Reservoir pumping station

Queen Lane Pumping Station, proposed design

men standing around a trench with pipes seen crossing through it. there is a steam engine on wheels behind them to the left, and a building in the background on the right with a sign they says Hotel Abbey, T G Schmidt & Sons, Pilsner & Puritan Beer.

Pipeline being laid in Wissahickon Avenue

Pennsylvania Railroad Bridge at Manayunk, about 1895

Wheeled robotic sewer crawler in sewer pipe

Still photo from a video sewer inspection, 2000

Black-and-white image showing a factory, smokestacks and smoke, and streets

Dobson’s Mill, 1884, from History of Philadelphia by Scharf & Wescott

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902

Leicester Knitting Mills, Charles Spencer & Co.

Charles Spencer & Co., Leicester Knitting Mills, Germantown, Philadelphia