Subjects Urban Development

Plan of the City of Philadelphia and Adjoining Districts, 1830

Plan of the City of Philadelphia and Adjoining Districts, 1830

Front and Market, 1881

Front St. and Market St., 1881

Fairmount, bird's eye view from Lemon Hill (detail)

Fairmount Park, bird’s eye view from Lemon Hill, detail

Engine House of the Belmont Works, R. Newell photo (2004.057.0074.001)

Engine House, Belmont Works

New Mill House at Fairmount (2008.001.0046)

New Mill House at Fairmount

Typical House Drainage, Combined and Separate Systems (2008.001.0032)

Typical house drainage

Baldwin Locomotive Works, 1884

Baldwin Locomotive Works

Lemon Hill and Sedgley Park, Graff Jr., 1851 (Graff05.21)

Plan of Lemon Hill and Sedgley Park, Fairmount and Adjoining Property, 1851

New Plan of Philadelphia, John A. Paxton, 1811

Benezet House Clarke Hall Chestnut St. Bridge

Benezet House, Clarke’s Hall, and Chestnut St. Bridge (Watson’s Annals)