Subjects Water wheel

Annual reports and other documents relating to Philadelphia’s water supply system, 1796-1941

Photograph of Roberts Mill on Wingohocking Creek in Germantown, built in the late 17th century. (Photograph by J. C. Browne, 1871. Castner Collection/Free Library of Philadelphia)

Roberts Mill, Wingohocking Creek, 1871

Fairmount Water Powered Works Expansion (1859 to 1861)

Fairmount Water Turbine Wheels (1851)

Fairmount Water Powered Water Works (1822)

The Water Works of the City of Philadelphia

Bethlehem Water Works, 2011