Compass, Direct Reading Magnetic, US Navy Mark X Japanese The compass pointer is rotates

The compass pointer is rotates freely

SBD Dive Bomber

25 inches wide

and shutter speed is adjustable from 125 to 500

made by Avien

Compass, Direct Reading Magnetic, US Navy Mark X Japanese The compass pointer is rotatesThis 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