Compass, Aircraft Navigation, Armée de l'Air, Vion Short Sunderland as evidence by the fluid

as evidence by the fluid line across the face between 330 and 30 degrees (see photo)

This is a WWII-era Direct Reading Magnetic Compass Type 98 "Kou" produced by the Tokyo Aero Indicator Company and used in aircraft of the Japanese Army

and bombs) as well as through an independent camera circuit

000 feet per minute

5 inches diameter by 6

Compass, Aircraft Navigation, Armée de l'Air, Vion Short Sunderland as evidence by the fluidThis is the body of a Navigational Compass as used in aircraft of France, likely pre WWII. Made by E. Vion. The compass body would be contained in a cradle, and affixed to a mounting bracket, which could be attached to either a vertical or horizontal surface of the aircraft. This compass is intended to be positioned and read at eye level. The liquid is no longer contained in the body. The compass card floats freely. We believe it may be the compass