Lot 710
AN AMERICAN SECOND WORLD WAR K-13 COMPENSATING SIGHT.
A gunsight by 'Sperry Gyroscope Co. Inc Brooklyn N.Y. K-13 Compensating Sight part 659060' with true air speed gauges. This model of sight was usually mounted on the rear housing of a 50 cal machine gun used in Flying Fortree and B-24 Liberators amongst others.
