Map Lover’s Monday: Fairmount Park, 1869
Roberts Mill, Wingohocking Creek, 1871
Schuylkill Navigation lock at Fairmount (Picturesque America)
Bottled vs. Tap in 1906
Wooden Pipes in Philadelphia
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Visionary planning report for Philadelphia region, 1928
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
PWD Drinking Water Treatment diagram
Typhoid bacteria diagram, 1905