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

VTG Architect Ruler Staedtler Mars 987 19-31 Japan Drafting Engineer Plastic

VTG Staedtler-Mars Triangular Ruler Architect 987 19-31 Scale Drafting Engineer

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

STAEDTLER-MARS 987 18-31 Architect Engineering Scale Triangle Drafting Ruler 12"

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

Staedtler Mars 987 19-31 Trianglular Scale Ruler Drafting Architect Engineer

Staedtler-Mars 987 19-31 Architect Scale Triangle Drafting Ruler White 12" VTG