Adrianov compass

Adrianov compass in details: 1) Compass case; 2) Scale; 3) Magnetic  pointer; 4) Sight point; 5) Counter point; 6) Pointer stopper

The Adrianov compass (Russian: Компас Адрианова) is a military compass designed by Russian Imperial Army topographist Vladimir Adrianov in 1907. Wrist-worn versions of the compass were then adopted and widely used by the Red and Soviet Army.