Vintage German Opisometer Nautical Map Measuring Tool Inches To Feet Works

Vintage Germany Copyright Opisometer Inches Feet Map Tool

Vintage Hoffritz Germany Map Measurement Tool Double Sided Opisometer With Case

Vintage German Opisometer Map Nautical Map Engineering Plans Measuring Tool

Vintage Hoffritz Germany Map Measurement Tool Double Sided Opisometer With Case

Vintage Western German Opisometer Nautical Map Inch Counting Measuring Tool

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