Compass, Direct Reading Magnetic, Japanese Army Type 98 Kou F-82 As the screw is turned

As the screw is turned

Mounted under the wing or on the fuselage

was commonly used by US Navy aircraft and was an earlier generation which was superceded by the AN-N6 (24v)

The first and longest indicated 100's of feet

and then a small triangular index pointer which traverses the perimeter of the inner scale

Compass, Direct Reading Magnetic, Japanese Army Type 98 Kou F-82 As the screw is turnedThis is a WWII era Direct Reading Magnetic Compass Type 98 "Kou" produced by the Tokyo Aero Indicator Company and used in aircraft of the Japanese Army, such as fighters Type 1 Oscar, Type 2 Nick, Type 3 Tony, Type 4 Frank, and Type 5 Ki 100, according to the Funatsu Aviation Instruments Museum website. See photo of Tony instrument panel showing the location of this compass from a book by WWII Japanese Aircraft researcher Robert Mikesh. The Kou