Standard Philadelphia (B) Hydrant
Engine House, Belmont Works
Water Works Standpipe, 1853
View of Fairmount Water Works, ca. 1827
Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911
State Road triple pipeline construction, 1904
Torresdale Conduit work gang, 1906
Upper Roxborough Filter Beds Complete, 1903
Upper Roxborough Filter Bed Construction, 1902