Vintage Western German Opisometer Nautical Map Inch Counting Measuring Tool

Vintage German Opisometer Nautical Map Measuring Tool Inches To Feet Works

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

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

Vintage DIETZGEN Opisometer, Swiss 1/8” Scale Map Plan Measuring Drafting Tool

Vintage Germany Copyright Opisometer Inches Feet Map Tool

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