Detail Drawing of Olsen Transverse, Blueprint, undated

Detail Drawing of Olsen Transverse, Blueprint, undated, Box: 100, Item: 256. 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/155980 Accessed January 08, 2025.