Interior Communication Switchboard 120V AC Supplies [Main Communication Station] Page: 1 of 1
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Interior Communication Switchboard 120V AC Supplies [Main Communication Station], technical drawing, October 18, 1944; (https://texashistory.unt.edu/ark:/67531/metapth887347/m1/1/: accessed June 12, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting Texas Parks & Wildlife Department.