Aircraft Gun Sight Type N-6 KC-97 but the pages inside appear

but the pages inside appear intact

would rest on the center spring-mounted pole

the display rotates to display "UP"

this 130-page handbook is large-pocket-size

Aircraft Gun Sight Type N-6 KC-97 but the pages inside appearThis is an original authentic illuminated WW2 era Gun Sight Type N 6 as used in flexible gun mounts turrets of bomber and patrol aircraft of the US Army Air Force and US Navy, such as the B 17, B 24, B 25, and B 26. This particular sight is oriented for a side mount to a machine gun. It can be reconfigured by removing the screws to the sight head and reorient it. The sunshade flips up and down as it should. The lamp compartment opens revealing an