Home / Reference Books / 1943 Sperry Upper Local Turret Gunner Information Manual 1943 Sperry Upper Local Turret Gunner Information Manual$45.00 Soft cover, 13 pages. 8 inches by 10-1/2 inches. The pages show age toning. 1943 Sperry Upper Local Turret Gunner Information Manual quantity Add to cart Item Number: 54886 Category: Reference Books