Description
Glass lantern slide of a black and white photograph of the first South Street Bridge across the Schuylkill River in Philadelphia, PA. The image was taken from the shore providing a view of the massive cast iron support structures of the bridge. The ornate iron trusses are seen above. Text under the image reads: "South Street Bridge, Philadelphia. Built by John W. Murphey, C.E. Contracting Engineer. Hon. John K. Findlay, President of Board of Commissioners. Samuel L. Smedley, Chief Engineer and Surveyor. John Baird, Chairman of the Construction Committee. D, McN. Stauffer, Engineer in Charge. Total Length 2000 feet: Draw Span, 198 feet long, 32 feet wide, and Two Main Spans each 190 feet long and 48 feet wide. The River Piers are Cast-Iron Cylinders, 8 feet diameter. The Pivot Piers are 4 feet diameter, the centre one 6 feet diameter." Used to illustrate the course "Civil Engineering Structures" which was taught between 1893-1950 at the Wagner Free Institute of Science, Philadelphia, Pa.
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.