6" Brass Drafting Tool Proportional Divider Compass Scientific Instrument

Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument

Solid Brass Divider Drafting Proportional Tool 6" Navigational Compass

SECTOR OR PROPORTIONAL COMPASS. SCIENTIFIC DRAWING INSTRUMENT. VERY GOOD.

Vintage PROPORTIONAL DIVIDERS BRASS & STEEL W & D Ltd. BOXED 1900s Original Box

Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument

Liquidraw® Proportional Dividers Drawing Tool Scale Divider, Solid Brass 6"