Vintage Hoffritz Germany Opisometer Map Measure Curvimeter Cm Km Miles Verstes

Vintage Hoffritz Map Measurer/Opisometer Map Distance Calculator W/Case Germany

Vintage Opisometer Drafting Tool Made in Germany Map Compass Measure Wheel

Fullerton Map Measurer Vintage Drafting Tool with Case and Instructions Germany

Vintage Hoffritz Germany Opisometer Map Measure Mileage Converter Drafting Tool

Vintage Hoffritz Germany Map Measurement Tool Double Sided Opisometer With Case

Vintage German Double-sided Opisometer Map Measuring Tool w/ Compass

Vintage ASI Tacro Opisometer map measuring tool (Switzerland)