Fairmount Water Works and the Schuylkill River, 1838
Fourth of July, Centre Square, ca. 1812
Wooden Water Pipe, removed from Market Street, December 6, 1901
Centre Square Engine House, ca. 1807
Thomas Run sewer outlet at Cobbs Creek
Thomas Run sewer outlet during construction
Frankford Creek: Sad History of an Urban Stream title page
Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]
Bridge Street Draw, draw partly open, July 26, 1897
Bridge Street, intermediate pier, ca. 1896 [Detail]