Vintage Double-Sided Opisometer Map Distance Measuring Wheel

Vintage Double-Sided Opisometer Map Distance Measuring Wheel 1940S

VINTAGE GERMAN OPISOMETER MAP DISTANCE MEASURING WHEEL

Vintage Enbeeco Opisometer Map Distance Measure Tool & Compass Made in Germany

Double Sided Vintage Map Measure or Distance Reader (Opisometer) - Working

Vintage Bakelite Opisometer, (Map Distance Reader)

Vintage Combined Map Distance Reader

VINTAGE GERMAN ARMY OPISOMETER MAP DISTANCE MEASURING READING TOOL.