About
Title
Callowhill Street Bridge over the Schuylkill River, Philadelphia
Subject
- Civil engineering--Study and teaching
- Railroad bridges
- Truss bridges
- Lantern slides
Description
Glass lantern slide of a sepia photograph of the Callowhill Street Bridge over the Schuylkill River in Philadelphia. The bridge is an example of a Whipple Truss Bridge of cast and wrought iron. It is a double decked railroad bridge with a lower level for pedestrian traffic. It was built by the Keystone Bridge Company in 1874-1875 and was demolished in 1964. Photograph by R. Newell & Son. 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.