Gun Sight, Ball Turret, Type K-4 Sperry, B-17, B-24 RAAF Compass Scale

Compass Scale

The co-driver had the same layout

operations

This offer is for an Distance Indicator

With over 400 pages

Gun Sight, Ball Turret, Type K-4 Sperry, B-17, B-24 RAAF Compass ScaleThis is an electro mechanical, automatic Type K 4 Computing Gun Sight used in the Sperry ball turret in WWII era heavy bombers such as the B 17 Flying Fortress and B 24 Liberator. Mounted within the ball turret, it hung from the 'ceiling' of the turret just in front of the forehead of the turret gunner (see illustration from turret manual). The gunner took aim at his target by looking through the glass screen mounted on an optic head the bottom of the