Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Spanish Flags Under the command of Colonel

Under the command of Colonel Littleton Waller

Produced: 1938—1949

It 's stock is walnut

Karl Heisler

The six surviving tanks arrived at the main gate at 10:00 and began their attack

Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Spanish Flags Under the command of ColonelOriginal Item: Only One Available. The K 13 Compensating Gunsight, made by Sperry, is an electrically powered gunsight designed to compensate for altitude and airspeed. Typically mounted on the rear housing of a . 50 caliber machine gun from a side waist gunner position in the aircraft. Used in Boeing B 17 Flying Fortress and Consolidated B 24 Liberator bombers during WW2. It was a late war innovation that used the aircraft altitude and speed with the