Staedtler-Mars 987 18-31 Architect Scale Triangle Drafting Ruler Made In Germany

#K) Staedtler Mars 987 18-31 Architect Scale - 12 Inches - Made in Japan

Vintage Staedtler-Mars 987 18-31 Architect Triangle Drafting Ruler 12"

Staedtler Mars 987 18-31 Architect Triangular Scale Ruler 12" Made in Germany

STAEDTLER Mars Traingular Ruler 987 18-31 Architect Engineer Made in Japan

STAEDTLER Mars Traingular Ruler 987 19-31 Architect Engineer Made in Japan

VTG Staedtler Mars 987 18-31 Trianglular Scale Ruler Drafting Architect Engineer

Staedtler-Mars 987 18-31 Architect Scale Triangle Drafting Ruler Made GERMANY