


The Water and Drainage History of Philadelphia, Part 2

Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]

Bridge Street Draw, July 26, 1897

“Philadelphia Underground,” Jan. 29, 1961

State Street pipeline construction, 1904

Electric Pump Installations at Lardner’s Point Pumping Station

View from the Inclined Plane near Philadelphia, 1838

Standard Philadelphia (B) Hydrant

Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912

New Mill House at Fairmount
