Compensating Gun Sight for .50Cal machine guns in power turrets for aircraft (WW2 era)
Airplanes and power turrets with Mark 18 sight:
Upper Turret. Firestone 250CH-4. (PB4Y Aircraft)
Upper Turret. Martin 250CE-13. (PV-2 Aircraft)
Upper Turret. Martin 250CH-1B. (PBM-5 Aircraft)
Tail Turret. Martin 250CH-3. (PBM-5 Aircraft)
Waist Turret. Erco 250TH-1. (PB4Y Aircraft)
Nose Turret. Martin 250SH-3. (PBM-5 Aircraft)
Tail Turret. MPC 250CH-6. (PB4Y-2 Aircract)

Lamp: (Stock No. 2-L-250L (formally 17-L-6731) 13 candle power, nominal 22-volt, special service, G-5½, frosted spot C-2 V-type single support filament, single contact, bayonet base. Mazda No. 480

Approx length 7", Approx width 7", Approx height 7", Approx weight 12lbs.

Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item shown in the pictures. The pictures are representative of the item's general condition. The item you receive might be slightly better, or worse, condition than was shown in the pictures.

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