Artifact Gallery:
Battleship USS Iowa Museum Los Angeles collects relevant artifacts to help tell the story of the ship and the Surface Navy to a broad audience. Below you will find some of our accessioned artifacts in our collection. Not all items are on display and are monitored according to our collections management policy.
We accept new items in the collection on a case-by-case basis. Click here for more information.
Mark 14 Mod 15 Gun Sight
Object/Artifact
Mark 14 Mod 15 Gun Sight for 40mm gun mount. S/N 56406. Made by Sperry Gyroscope Co. Tested and passed May 24,1945. Chipped control knobs. Broken Cannon connector.
The Mod 15 gun sight was used with power driven single 40mm mounts Mk 4 Mod 3, where it is mounted on its side to a support casting attached to the gun housing. The Mod 15 gun sight has a maximum range of 3,200 yards, like the Mod 8 gun sight used with the Mk 51 director. It is otherwise similar to the other mods designed for use with 20mm guns.
Includes a lamp with dimmer rheostat, reticle block and collimating lens, elevation gyro and transparent elevation mirror with damper, traverse gyro and mirror with damper, range adjust gear train, super-elevation correction weights, neutral density light filter, and air pressure regulator. This gun sight is used with a power unit that provides clean, dry air for the gyros, and switched electrical power for the oil heater and 10 volt reticle lamp.
1600004
