Army curvimeter for distance analysis of the USSR (post-war years)

Description

The curvimeter is designed to measure the lengths of segments of curved lines on topographic plans, maps, graphic documents The curvimeter has a metric and inch scale The presence of two scales on the device allows you to obtain measurement results in cm and in inches.
Made in the USSR, with strict quality control (there is a mark on the scale). Brand new, with instructions and in the original box from the production. It has minor stains on the box (seen in the photo). This prior was issued to the officers of the USSR Army, for tactical use when using maps. Also, this device was issued to employees of geological exploration works.
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