Antique Eugene Dietzgen Beam Compass Germany Original Velvet Case Drafting Tool

VINTAGE DIETZGEN 1/4” Scale Map Plan Measuring Drafting Tool + Box RARE 1715-4

VTG Dietzgen Map Measure Model 1723 & Original Box Opisometer Curvimeter

Vintage Keuffel & Esser Opisometer Swiss Map Measuring Tool Curvimeter

ASI Opisometer Curvimeter Map Measuring Tool Swiss Made Vintage Drafting Planner

Vintage Brown & Sharpe Drafting Precision Protractor w Minutes in Case B&S #510

Vintage Dietzgen No. 1718 Opisometer Drafting Tool Measuring Wheel + Box

Vintage Keuffel & Esser Opisometer Swiss Map Measuring Tool