Subjects Engineering

The application of scientific principles to practical ends as the design, construction, and operation of efficient and economical structures, equipment, and systems; also the profession of or the work performed by an engineer. Good practices in the various subdivisions of this field, including civil, sanitary, and transportation engineering, are the foundation of any city's well-being and livability.

Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010

Dobson FLP

Requiem for a stream: A brief history of Dobson’s Run

Philadelphia Underground, Jan. 29, 1961

“Philadelphia Underground,” Jan. 29, 1961

30th Street Sewer

30th Street Sewer

Cumberland Street pipeline, 1907

Bureau of Water, Cumberland, west of 13th Street, pipe line, 1907

Oak Lane Reservoir pipeline, 1904

Oak Lane Reservoir pipeline, 1904

State Street pipeline construction

State Street pipeline construction, 1904

Stand Pipe of Philadelphia Water Works

Water Works Standpipe, 1853

Six people and dozens of sandbags performing a load test on a concrete pipe, 1914

Pipe Test, 1914

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