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Showing Collections: 1 - 6 of 6

Blair Birdsall Papers

 Collection
Identifier: SC MS 0175
Overview This collection contains the technical and professional documents of consulting engineer Blair Birdsall. Most of the collection are documents pertaining to the multitude of bridges he worked on, including the Golden Gate, Chesapeake Bay, and Brooklyn Bridges, as a consulting engineer or as a design engineer. The collection spans from 1900 to 2002 covering his entire career and also early Steinman Boynton Gronquist & Birdsall and John A. Roebling Sons Engineering companies.

Civil Engineering Works Photograph Collection

 Item
Identifier: SC Photo-0020
Overview The collection of photographs illustrate various types of civil engineering works including the Whipple through truss railroad bridge, Pennsylvania through truss bridge, suspension bridges, cantilever bridges, reinforced concrete arch bridges and buttress dams. Among the bridge photographs are included the Brooklyn Bridge, the Firth of Forth Bridge, the Tay Bridge and Niagara Falls “Honeymoon” Bridge collapses, the Pecos River railroad trestle bridge and the “Luten Design” reinforced concrete...

Photograph of Harlem Bridge over Harlem River at Fourth Avenue, New York, Circa 1867-1871

 Item
Identifier: SC photo-0021
Overview John Reid, the acknowledged photographer of this picture, was in his lifetime known as a pioneer photographer of the “Iron Horse” (steam locomotives). He introduced the convention of taking the photographs “from a position just ahead of the smoke box” in the late 1850s. This angle is apparent in this photograph as the 4-4-0 steam locomotive positioned on the Harlem Bridge. The bridge is an example of a Post box-truss type developed by Simeon S. Post in 1863. Based on information printed on...

Robert Blum Olney Bridge Design Class Notebook

 Collection
Identifier: SC MS 0226
Overview This manuscript contains three bridge design class exercises indicating the instructional process to train engineering students. Specific step-by-step instruction in designing for various railroad bridge spans, building material specifications, structural loads and stresses to be considered as presented in the professor’s lecture. The complete process of calculating the design with comparisons of different conditions, as well as material available, costs incurred of every aspect of the...

Wax Lake Bridge Construction Photographs 1940-1941

 Collection — Box: PHOTO 0009.01
Identifier: SC Photo-0009
Overview A collection of construction photographs of a steel railroad bridge erected on a dry flat plain which eventually became a Mississippi River floodway channel. The channel beneath the bridge elements was dredged after the bridge was constructed. This construction procedure was in reverse of the usual building process. Construction by Bethlehem Steel began in late 1940 and completed in early 1941. The reverse building process was unusual at the time. The bridge is also known as the Wax Lake Outlet...