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Displaying results 1 - 3 of 3 digital assets

Front Elevation of Allegheny Tollhouse

Allegheny Suspension Bridge

Ninth Street Bridge

Digital Object Type

Photograph (2)
Drawing (1)

Format

Names

Institute Archives and Special Collections (3)
Rensselaer Polytechnic Institute (3)

Subjects

Show all (17)
(-) Allegheny River (Pa. and N.Y.) (3)
Pittsburgh (Pa.) (3)
Allegheny River (2)
John Augustus Roebling (2)
Pittsburgh, PA (2)
suspension bridge (2)
engineering drawing (1)
Ninth Street Bridge (Pittsburgh, Pa.) (1)
tollhouse (1)

Part of Collection

Roebling Collection (2)
Photograph Collection (1)

Date

1859 (2)
1890 (2)
1858 (1)
1860 (1)

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