Ledger (Initial pages are a guest register for Ward Engineering's display and presentation at the Chicago World's Fair in 1893; subsequent pages document mathematical calculations for steam engine and ship design for period 1894-1913.), 1893–1913

Ledger (Initial pages are a guest register for Ward Engineering's display and presentation at the Chicago World's Fair in 1893; subsequent pages document mathematical calculations for steam engine and ship design for period 1894-1913.), 1893–1913, Box: Series 9, Box 7. Ward Engineering Company Archives and Manuscripts, A&M 2298. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/144537 Accessed February 07, 2026.