VINTAGE! Alvin compass precision drawing drafting tools set (Made in Germany)

VINTAGE ALVIN 501 COMPASS SET IN CASE MARKED GERMANY - MISSING ONE ACCESSORY

VINTAGE ALVIN 501 COMPASS Set in Case - Made In Germany

Vintage Alvin Precision Drawing Set Drafting Tools Compass German Wood Case

Vintage Alvin drafting compass bow drawing tool lot. Made in Germany

Vintage Alvin Master-Bow 805 Drafting Compass Set – Made in West Germany

Vintage Staedtler Mars Masterbow Drawing Compass Made In Germany

Vintage NOS Alvin Art Drawing Set 802V Compass Speed Bow Beam Made in Germany