Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Spanish Flags I passed out again after

I passed out again after I pulled my zip cord

Produced: 1938—1949

For the next several months

but as you say have received the worst news

Under the command of Colonel Littleton Waller

Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Spanish Flags I passed out again afterOriginal 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