About
Title
Principle of the Cantilever
Subject
- Civil engineering--Study and teaching
- Bridges--Design and construction
- Cantilever bridges
- Lantern slides
Description
Glass lantern slide hand drawn by Samuel Tobias Wagner depicting the principle of the cantilever. The drawing depicts a cantilever bridge with three men in suits and hats below. They are sitting on chairs connected by a rope with brick blocks at each end mimicking the shape of the cantilever bridge. "Principle of the Cantilever" is written below the illustration. The illustration is based on a photograph found on page 8 of “The Forth Bridge,” by Wilhelm Westhofen. London : 1890. Used to illustrate the course "Civil Engineering Structures" which was taught between 1893-1950 at the Wagner Free Institute of Science, Philadelphia, Pa.
Creator
Wagner Free Institute of Science; Wagner, Samuel Tobias, 1861-1931
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.
