Vintage B&W Metal Ware Brass Map Measurer and Curvimeter (H)

Vintage MAP MEASURER TOOL OPSIOMETER WITH MILE SCALES W Germany in Original Box

Vintage Map Measurer Opisometer Curvimeter Made In England 1”=1 Mile 1cm=1km

Vintage Map Measure Opsiometer, Curvimeter, Made in Japan

Derby Swiss Curvimeter/ Meilograph/ Opisometer Drafting/Map Tool

Vintage Opisometer Map Measurer Curvimeter Metal 5.5cm Compass Navigation

Vintage Map Measurer Imperial and Metric, nautical

VINTAGE OPISOMETER CURVIMETER PHILIPS UNIVERSAL MAP MEASURER FIELD TOOL (G1142