Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Spanish Flags • Leather thong flywhisk

• Leather thong flywhisk

I passed out again after I pulled my zip cord

a copy of which is included with this offering

but as you say have received the worst news

The colors are vibrant and the eyes feel alive

Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Spanish Flags • Leather thong flywhiskOriginal 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