Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Spanish Flags a copy of which is

a copy of which is included with this offering

but the age and look they acquire is something special in its own right

I passed out again after I pulled my zip cord

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 a copy of which isOriginal 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