Time Periods 1940-1950

A man in glasses listening to the street through stethoscopes (2012.002.0043)

Listening for leaks

Southwest Sewage Treatment Plant under construction, 1949 (from Water & Sewer Course Module 7)

Southwest Sewage Treatment Plant under construction, 1949

Pumping stations after Philadelphia's incorporation, 1854

Main Pumping Stations for Philadelphia Drinking Water

Image shows a black-and-white drawing of a creek with dotted lines indicating where changes will be made

“A Snake That Will Be Straightened Out,” map of Frankford Creek with proposed changes, 1949

DeLaval Beauty Shots 6

Electric Pump Installations at Lardner’s Point Pumping Station

Philadelphia Standard Distribution Valve (20040570221083)

Philadelphia Standard Distribution Valve