Internally this piece is absolutely stunning, it's like looking at the inside of a jewel movement Swiss watch. It can be easily made to power up and spin, 24VDC works great. You see many of the sights but not very many of these. Positioned near the aircrafts center of gravity, the flight gyro, part of the complex autopilot system used in WWII bombers, served as the reference for controlling the ailerons and elevator of the aircraft.The course for the autopilot was set by the bombardier through the use of the Norden Bombsight, which provided stable and level flight for bombing runs. This model Norden Gyroscope was used in B-29, B-24 and B-17 bomber aircraft. The item "-OFFERS-WWII NORDEN BOMB-SIGHT AIRCRAFT GYROSCOPE Type M-7 U. Army Air Forces" is in sale since Friday, March 27, 2020. This item is in the category "Collectibles\Transportation\Aviation\Military Aircraft\Other Military Aircraft Items". The seller is "stearman75" and is located in Indianapolis, Indiana. This item can be shipped to United States.