Former Yugoslavian Company. Its logo is the letter T in a triangle (see picture below).
The People's Army of Yugoslavia first utilised compass models taken from the German Prisoners of War (PoW). Later on, Teleoptik developed own models. Their designation indicate the year they have been issued: 1949 for model M.49 and 1953 for model M-53.
The capsule's ring is graduated in mils (6400) and the measured angle can be read at the underside in degrees.
Contains Radium paint. (1.09 micro sievert/h)