Dietzgen 1626 Wooden 3-Sided Triangular Ruler Scale Drafting Vintage USA 12" Woo

Vintage Lot 3 Color Drafting Pens

Vtg Pickett Architecture Scale 234-E Drafting Drawing Ruler 3 Sided Engineer

Dietzgen 1626 Wooden VTG 3 Sided Triangular 12" Ruler Scale Drafting Vintage USA

Vintage White Pickett Drafting Engineering Engineer Ruler P232E, Made in Japan

Vintage 3 sided ruler --wood

Vtg Drafting Tools HUGE Lot K&E Slide Rule KohINoor Pens Staedtler Lead Eraser

Dietzgen Ruler Wooden 3 Sided Triangular Scale Drafting Vintage 31626 USA 12"