Altimeter, Civilian Cessna Czech and F6F Hellcat

and F6F Hellcat

This WWII-era MN-52H Control Unit

oat can be operated in any part of the aircraft where local magnetic disturbances caused by engines

By rotating this lens to align North with the compass pointer below

In this specimen

Altimeter, Civilian Cessna Czech and F6F HellcatThis is a civilian altimeter marked for use in a Cessna aircraft. It is date stamped November 1959. The knob is used to adjust the altimeter to the barometric pressure is displayed in the small window at the 3 o'clock position. The glass and case are intact, and the knob rotates, and the pointers move. Measures 3. 25 inches diameter and ~4 inches deep.