Alvin Basic Line 504 Drafting Compass tool Vintage W. Germany Excellent in Case

Vintage Alvin Basic - Line 504 Drafting Compass, made in Germany

Vintage Alvin Basic - Line 504 Drafting Compass W. Germany

New Alvin Bow Compass #504 Made in Germany

Vintage Alvin 504 Drafting Compass Western Germany

Alvin Basic-Line 504 Drafting Compass W Germany Vintage Precision Tool with Case

Alvin basic line 504 compass draftsman

Vintage Alvin Basic-Line 504 Compact Drawing Drafting Chrome Finish Protractor