Fairmount Water Works from the forebay, 1833
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
“Town street scavengers from life,” Kollner, 1844
Southeast Corner of Third and Market, Philadelphia
A Day in the Ma’sh – Rail-Shooting
A Day in the Ma’sh – Bell Snicklin’
Bridge Street Draw, construction of piers, ca. 1896
Bridge Street Draw, Cofferdam, ca 1896 [Detail]