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Pittsburgh Aqueduct

Name: Pittsburgh Aqueduct
Collection: Vogel Slide Collection
Site: Pennsylvania Canal
Unit: 7
Piece: 2-46
Structure: Aqueduct
Photo credit: Robert M. Vogel
Photo date: 0000-00-00
Notes: Photograph of historic plan of cable machinery for the Pittsburgh Aqueduct. The aqueduct was designed by John A. Roebling and was completed in May of 1845.

http://www.clpgh.org/research/pittsburgh/patentees/roebling.html