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

Vintage Alvin 504 Budget Bow Compass - Made in West Germany

Vintage Alvin Jet - Bow Compass Model # 965 VJ made in Germany

ALVIN Compass Basic-Line 504 New Sealed ~ Vintage Drafting ~ Made in W. Germany

Vintage Alvin Drafting Bow Compass ~Made in Germany 6"

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

Vintage ALVIN JET-BOW Compass NO. 965 J. Made in Germany

Vintage ALVIN Precision Drafting Bow Compass Made in West Germany, Engineering