New Alvin Bow Compass #504 Made in Germany

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

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

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

Alvin Basic Line 505 Drafting Compass - Made in West Germany

Alvin Basic-Line 504 Compass Draftsman Kit, W. Germany, Never Used Still in Case

Alvin Basic Line 504 Drafting Compass Tool In Case Vintage West Germany