Steam Piping in Fire Rooms Special Valves & Fittings [Boiler Room]

Blueprint depicting technical details of Battleship Texas.
Date: October 16, 1925
Creator: unknown
System: The Portal to Texas History

[Engine Room] Indicator Gear for Circulating Pump Engines

Blueprint depicting technical details of Battleship Texas.
Date: October 16, 1913
Creator: unknown
System: The Portal to Texas History

Battle telephone switchboard type isometric wiring diagram

Blueprint depicting technical details of Battleship Texas.
Date: October 16, 1944
Creator: unknown
System: The Portal to Texas History