Compass, Direct Reading Magnetic / Direction Indicator, US Navy ME-109 each indicating the intercooler flap

each indicating the intercooler flap position on engines 1 & 2 or 3 & 4

The character below 8 9 1 is 京 and translates to the city of Kyoto

The pointers move freely

a small pointer which travels the perimeter of the compass card

Compass, Direct Reading Magnetic / Direction Indicator, US Navy ME-109 each indicating the intercooler flapThis WWII era Direct Reading Magnetic Compass Direction Indicator Mark X, Kollsman 398C 01 was made for aircraft of the US Navy such as the seaplane JRF 5 Grumman Goose. 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