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Basement Floor Plan for Sprinkler Work
Oversize Tube 33
(not numbered or dated due to vellum damage)
Basement Floor Plan Showing Duct and Piping Cross-Overs at Ceiling
Oversize Tube 33
(not numbered or dated due to vellum damage)
Plan and Sections of Primary and Secondary Switchboard Rooms, revised 2/24/1939
Pencil-on-vellum drawing, 28x52 inches
Oversize Tube 33