


Lower Dublin Township, Philadelphia County, in 1848

Dripps map of Frankford and vicinity, 1849

Map of Frankford Borough, 1845

Plan of Pine Street Sewer, 1830

Fairmount Gardens with the Schuylkill Bridge, 1839

Fairmount Water Works, W.H. Bartlett, 1839

Fairmount Water Works from the forebay, 1833

Fairmount and vicinity, 1839

Isometrical View of Fairmount Water Works, 1843

Steam engine drawing, Frederick Graff Sr., 1815
