Description
a well known retailer
assisting ground forces in the St Lo breakthrough
It also has the correct COLTS / PATENT on the left frame under the cylinder
Navy acceptance stamp
signing his name as 繁正 (he would later use the 政 character for "masa")
Original U.S. WWII Sperry Aircraft Gunsight K-13 Compensating Sight Military Awards Medals Badges Insignia a well known retailerOriginal 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