About
Title
Grays Ferry Bridge, Philadelphia
Subject
- Civil engineering--Study and teaching
- Bridges--Design and construction
- Truss bridges
- Railroad bridges
- Philadelphia, Wilmington, and Baltimore Rail Road Company
- Lantern slides
Description
Glass lantern slide of a black and white photograph of the Grays Ferry Bridge across the Schuylkill River in Philadelphia. The Grays Ferry Bridge, also known as the Newkirk Viaduct, opened in 1838 as part of the Philadelphia, Wilmington and Baltimore Railroad (PW&B). It was a truss bridge with a single rail track on its south side and a roadway on its north side, and included a retractable span that allowed boats to cross. Used to illustrate the course "Civil Engineering Structures" which was taught between 1893-1950 at the Wagner Free Institute of Science, Philadelphia, Pa.
Location Covered
- Philadelphia (Pa.)
- Schuylkill River (Pa.)
Original Format
Lantern Slides
Contact
Wagner Free Institute of Science Library & Archives. 1700 W Montgomery Ave. Philadelphia, PA 19121. Contact the Library at 215-763-6529 x12 or library@wagnerfreeinstitute.org
Contributing Institution
Wagner Free Institute of Science
Sponsorship
This Digital Object is provided in a collection that is included in POWER Library: Pennsylvania Photos and Documents, which is funded by the Office of Commonwealth Libraries of Pennsylvania/Pennsylvania Department of Education.