Pickett 235 E Engineers Triangle Scale Ruler

Alvin 3 Sided Engineer Scale No 119 PC Triangular Drafting Ruler W-Germany

Pickett 235 E (235E) Engineers Scale - Architect Drafting Drawing Triangle Ruler

Pickett 235 E Engineers Triangle Scale Ruler Japan

Aluminum Triangular Architect Ruler w/Laser-Etched Imperial Drafting Scales 12"

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

Vintage Gramercy 530 Architect Triangular Scale Drafting Ruler West Germany

Lot of 2 Alvin Triangle Scale Ruler Architect Germany 110P Pickett P-232E Japan