Description
Glass lantern slide of technical plans of the Howe Truss Bridge. The image is reproduced from "American Railroad Bridges" by Theodore Cooper. Transactions of the American Society of Civil Engineers," vol. 21, no. 418, July, 1889. 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.
