3.5" heavy pressure valve

Blueprint depicting technical details of Battleship Texas.
Date: April 30, 1912
Creator: unknown
System: The Portal to Texas History

Hotel Building, Gorman, Texas: Basement Mechanical Plans

Basement mechanical plans for a hotel building in Gorman, Texas. It includes a layout of the basement with detailed mechanical notations.
Date: April 30, 1919
Creator: Castle, David S.
System: The Portal to Texas History

Details of Copper Pipes for Auxiliary Feed Suction System in Fire Rooms [Boiler Room]

Blueprint depicting technical details of Battleship Texas.
Date: April 30, 1926
Creator: unknown
System: The Portal to Texas History

(Major Alterations) Foundations for Fuel Oil Separators

Blueprint depicting technical details of Battleship Texas.
Date: April 30, 1926
Creator: unknown
System: The Portal to Texas History

Reach Rods for Valves in Boiler Feed Lines [Boiler Room]

Blueprint depicting technical details of Battleship Texas.
Date: April 30, 1926
Creator: unknown
System: The Portal to Texas History

Installation of 0.75" Sentinel Relief Valves on Auxiliary Exhaust Cross Connections in all Fire Rooms inch [Boiler Room]

Blueprint depicting technical details of Battleship Texas.
Date: April 30, 1941
Creator: unknown
System: The Portal to Texas History