Publishers Philadelphia Water Department

State Street pipeline construction

State Street pipeline construction, 1904

Belmont Filters construction 1903

Belmont Filters construction, 1903

Finished Upper Roxborough filters, 1903

Finished Upper Roxborough filters, 1903

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902

Picture of John Trautwine, Jr.

Philadelphia Water Department chief engineer John Trautwine Jr., 1890s

Outhouse over Schuylkill near Pottstown

Outhouse over the Schuylkill near Pottstown

Spring Garden water testing lab, 1901

Bureau of Water Spring Garden Testing Station, 1901

Immigrant family, ca. 1900

Immigrant family, ca. 1900, nurse in black

Apparatus for testing Model Turbine Engines used at Fairmount, 1859-60

Apparatus for testing model turbine wheels used at Fairmount, 1859-60

Duplex Pumping Engine, Belmont Works

Duplex Pumping Engine, Belmont Works

Belmont Works Engine House

Engine House of the Belmont Works

DeLaval Beauty Shots 6

Electric Pump Installations at Lardner’s Point Pumping Station