A volume of tables, drawings, and engineering notes, 1835

A volume of tables, drawings, and engineering notes, 1835, Box: 1, Folder: F16. Torbert-Ellegood collection, MSS 0461. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/185170 Accessed September 16, 2024.