Vintage Wooden Triangular Engineer Scale Rule U.S. ST’D Drafting Ruler 12”

LUTZ Vintage Engineer Scale Architect Drafting Wooden Triangular Ruler

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

staedtler marsmatic 700 S3-ITT Mechanical Pencil Set Engineer Architect AS-IS

Vintage ~ Keuffel & Esser Co New York ~ MERCURY Drafting Tool Set w/Case

9" Proportional Divider Brass Drafting Tool Scientific Compass Engineer

Brass Proportional Divider 9 Inches Engineer Drafting Scientific Tool Handmade

Brass Proportional Divider Engineer Drafting Scientific 9, Inches HANDMADE