Illustration of a Concreting Crib during the construction of the Poughkeepsie Bridge

Illustration of a Concreting Crib during the construction of the Poughkeepsie Bridge

Glass lantern slide of an illustration of a concreting crib during the construction of the Poughkeepsie Bridge. The drawing illustrates how concrete was lowered into the riverbed in boxes. The image is reproduced from Plate XLVII of "Construction of the Poughkeepsie Bridge" by John O'Rourke, published in Transactions of the American Society of Civil Engineers, vol. 18, 1888. Used to illustrate the course "Civil Engineering Structures" which was taught between 1893-1950 at the Wagner Free Institute of Science, Philadelphia, Pa.

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Lantern Slides

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LS0087

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

Wagner Free Institute of Science

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.