Updated 08 May 2007

USS Salem CA-139 as a museum ship in 1998
Note the hatches under each gun barrel.  These are the ejection ports for the propellant cases.
Photograph copyrighted by Richard Leonhardt and use here courtesy of NavSource

Turret Subdivisions and Principal Structural Units
Note the small radar antennas on either side of the gunhouse.  These took the place of the optical rangefinders used on previous designs.
Sketch from "OP-1180, 8-Inch 3-Gun Turrets Main Armament For USS Salem Class, Turret Description And Operation, July 1947"
Used here by permission of Historic Naval Ships Association

Turret General Arrangement, Longitudinal Section
Sketch from "OP-1180, 8-Inch 3-Gun Turrets Main Armament For USS Salem Class, Turret Description And Operation, July 1947"
Used here by permission of Historic Naval Ships Association

General Arrangement of Gun and Slide Equipment
Sketch from "OP-1180, 8-Inch 3-Gun Turrets Main Armament For USS Salem Class, Turret Description And Operation, July 1947"
Used here by permission of Historic Naval Ships Association

Firing Cycle Operation
Sketch from "OP-1180, 8-Inch 3-Gun Turrets Main Armament For USS Salem Class, Turret Description And Operation, July 1947"
Used here by permission of Historic Naval Ships Association