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

Vintage Germany Map Measurer Opisometer Curvimeter Meilograph Map Tool

Vintage OPISOMETER Curvimeter Map Measuring Inch Tool Instrument West Germany

Vintage West German / Pocket Map Measure - Opisometer & Compass In One..

Antique Vintage Opisometer Curvimeter Map Measurer Compass

Vintage Map Measurer German Made OPISOMETER

Vintage Pocket Map Measure Opisometer

Vintage Opisometer Curvimeter Map Measuring Inch To Feet Tool Instrument Germany