Letter Swartwout Co. to BB-35 [control valves built in 1926]

Blueprint depicting technical details of Battleship Texas.
Date: April 17, 1931
Creator: unknown
System: The Portal to Texas History

Detail of Packing Gland Used on SM Feed Water Regulator and Type O

Blueprint depicting technical details of Battleship Texas.
Date: April 16, 1931
Creator: unknown
System: The Portal to Texas History