Original Swiss army military sitomer

Very good condition, see photos.

Sitometer marked: MERIDIAN , 13611



"A sitometer is a special form of bearing compass that makes it possible to read the angle of elevation and elevation of a target object at a glance. Developed in the 19th century in particular for military use for quickly measuring positions and artillery instruction, it was and is in many armies up to in use today. There are also various civilian applications."