Alvin Introductory 6" Bow Compass 201 with Universal Adapter

ALVIN 505 BASIC-BOW COMBINATION COMPASS WITH BEAM BAR

ALVIN 505 BASIC BOW COMBINATION COMPASS WITH BEAM BAR Geometry Engineering Draft

ALVIN 505V BASIC-BOW COMBINATION COMPASS WITH BEAM BAR FREE SHIPPING

Alvin 305 Speed Bow Compass

Vintage Alvin Drafting 6 1/2” Pencil Bow Compass ~ Model #201- Made in Germany

New Alvin Basic Line 505 Drafting Compass - Made in West Germany

Alvin Basic Line 505 Drafting Compass - Made in West Germany