Recognition Light Control, IFF, WW2 P-47 Thunderbolt Nick Fighter Here is an original naval

Here is an original naval Battenberg Course Indicator Mk III

made by Kollsman (part number 621KN-04)

The lever for adjusting rate is accessible without removing the clock movement from its case

The M2 was installed across most fighter and bomber aircraft of WWII

Recognition Light Control, IFF, WW2 P-47 Thunderbolt Nick Fighter Here is an original navalThis Recognition Light Control Assembly appeared in nearly all of US Army Air Force aircraft of WWII by the end of the war, including the P 47N Thunderbolt Fighter (see photo of the right side panel of the cockpit indicating the location of the switch box). Used for IFF (Identification, Friend or Foe). The toggles flip perfectly. The keying switch depresses as it should. In very nice condition for its age. Measures ~3 inches by ~3. 5 inches x ~2