Vintage Western German Opisometer Nautical Map Inch Counting Measuring Tool

Vintage German Double Sided Opisometer Map Measuring Tool Inches To Feet Works

Vintage Germany Copyright Opisometer Inches Feet Map Tool

VINTAGE 1940s GERMAN OPISOMETER NAUTICAL MAP MEASURING TOOL WITH LEATHER CASE

VINTAGE 1940s GERMAN OPISOMETER NAUTICAL MAP MEASURING TOOL - FREE SHIPPING

Vtg Hoffritz 2 Sided German Opisometer Map Measure Tool + OG Case + Instructions

Vintage German Opisometer Map Measurer Drafting Tool Inch to Foot 2-Sided