Time Periods 1850-1900

Photograph of Roberts Mill on Wingohocking Creek in Germantown, built in the late 17th century. (Photograph by J. C. Browne, 1871. Castner Collection/Free Library of Philadelphia)

Roberts Mill, Wingohocking Creek, 1871

Old U. S. Navy Yard

Old U. S. Navy Yard

Schuylkill River from below the South Street Bridge, 1873

Coal Depot, Richmond, on the Delaware (Picturesque America)

Schuylkill River from below the South Street Bridge, 1873

Girard Avenue Bridge, Fairmount Park

Girard Avenue Bridge, Fairmount Park, 1895

Philadelphia Navy Yard, July 1872

McDonnell filter advertisement

McConnell Germ-Proof Filters ad

Front and Market, 1881

Front St. and Market St., 1881

Leicester Knitting Mills, Charles Spencer & Co.

Charles Spencer & Co., Leicester Knitting Mills, Germantown, Philadelphia

Henry Disston & Sons, Keystone Saw, Tool, Steel and File Works, 1884 (2004.007.0005)

Henry Disston & Sons Keystone Saw Works

Baldwin Locomotive Works, 1884

Baldwin Locomotive Works