Compass, Direct Reading Magnetic, US Navy Mark X Japanese to show the direction in

to show the direction in which the airplane is pointing

SBD Dive Bomber

made by Avien

Aichi E16A Type 2 Reconnaissance Seaplane Zuiun aka "Paul"

Compass, Direct Reading Magnetic, US Navy Mark X Japanese to show the direction inThis WWII era Direct Reading Magnetic Compass Mark X, Kollsman FSSC number 88 C 855 was made for aircraft of the US Navy. The interesting aspect of the design of this compass is that the directional mechanism lies horizontally within the rear chamber, and displays the direction on a vertically mounted compass card. In addition, the desired course heading can be selected by rotating the knob at the bottom center of the dial, which turns the double