Explanatory schematic of intercommunicating system

Blueprint depicting technical details of Battleship Texas.
Date: June 11, 1943
Creator: unknown
System: The Portal to Texas History

Schematic for intercommunicating unit

Blueprint depicting technical details of Battleship Texas.
Date: June 11, 1943
Creator: unknown
System: The Portal to Texas History

Connections for water tight full reverse compound controlling panel

Blueprint depicting technical details of Battleship Texas.
Date: December 11, 1943
Creator: unknown
System: The Portal to Texas History