


Cresheim Aqueduct

Pipeline being laid in Wissahickon Avenue

Typhoid bacteria diagram, 1905

Wooden Water Pipe, removed from Market Street, December 6, 1901

Main Pumping Stations for Philadelphia Drinking Water
Philadelphia the Manufacturing and Industrial Capital map, 1906

Torresdale Conduit work gang, 12/18/1906

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

Oak Lane Reservoir pipeline, 1904

State Street pipeline construction, 1904
