The most widespread in the past tense was the Adrianova compass. It consists of a round box in which the magnetic needle rotates on the tip of the…
adrianova
Adrianov’s compass and AK artillery compass, methods of working with them, determining the direction in the area according to a given azimuth, measuring the magnetic azimuth.
The most common, old, proven and at the same time cheap, are Adrianov’s compass and AK’s more advanced artillery compass. Adrianov’s compass and AK artillery compass, methods of…