Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
Old U. S. Navy Yard
Navy Yard on the Delaware River (Picturesque America)
Plan of Philadelphia, John Hills, 1796
Buried Treasures No. 1: The Franklin Sugar Refinery
Philadelphia Navy Yard, July 1872
The Manayunk Expressway
Indoor plumbing in mid-19th century Philadelphia
Schuylkill River Harbor Police Report, 1884
Images from “A Day in the Ma’sh” by Maurice F. Egan, Scribner’s Monthly, July 1881