Items

Historic resources from our archives - images, maps, documents, and more.

Outline Map of the County and City of Philadelphia and Vicinity (wd000516)

Outline Map of the County and City of Philadelphia and Vicinity, 1883

Birkinbine Schuylkill Hydrographical Survey 1861-66

Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine

International Exhibition situation plan, 1876

Centennial Exhibition situation plan, 1876

30th Street Sewer

30th Street Sewer

69th St. Sewer and Culvert across Lansdowne

69th St. Sewer and Culvert across Lansdowne AVe.

Picture of John Trautwine, Jr.

Philadelphia Water Department chief engineer John Trautwine Jr., 1890s

Outhouse over Schuylkill near Pottstown

Outhouse over the Schuylkill near Pottstown

McDonnell filter advertisement

McConnell Germ-Proof Filters ad

Front and Market, 1881

Front St. and Market St., 1881

Apparatus for testing Model Turbine Engines used at Fairmount, 1859-60

Apparatus for testing model turbine wheels used at Fairmount, 1859-60

Duplex Pumping Engine, Belmont Works

Duplex Pumping Engine, Belmont Works

Belmont Works Engine House

Engine House of the Belmont Works