St. Nicholas, Pennsylvania, Central Breaker Flow Diagram Engineering Drawings, 1930 September 24-1940 November 1

St. Nicholas, Pennsylvania, Central Breaker Flow Diagram Engineering Drawings, 1930 September 24-1940 November 1, Box: 79, Item: 22. Institute for the History of Technology and Industrial Archaeology Records, A&M 3936. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/155744 Accessed November 22, 2024.