Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Russian Issue Equipment which usually has black scabbards

which usually has black scabbards

There are no cracks in the stock

at 11:00 all firing would cease from Belgium to the Swiss border because the armistice would then become effective

The blade is in very good condition

and featured a number of differences from its later war counterpart

Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Russian Issue Equipment which usually has black scabbardsOriginal 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