Fairmount Water Works (Picturesque America)
Schuylkill Navigation lock at Fairmount (Picturesque America)
Fairmount Water Works, W.H. Bartlett, 1839
Fairmount Water Works from the forebay, 1833
Wooden Water Pipe, removed from Market Street, December 6, 1901
Volume of Sludge from 1,000,000 Gallons of Sewage
Diagram Showing Rate Between Bulk of Wet Sludge and Its Percentage Moisture
Sludge Drying Beds, Essen Nord, Germany
Effects of Expansion of Gas Bubbles in Enscher Sludge Shown in Right-Hand Cylinder
Thomas Run sewer outlet during construction