Vintage Metal Scale Drafting Ruler Architect Engineer YORK PA HVAC Advertising

Aluminum Drafting Ruler Advertising 3 Sided

DIETZEN Plastic Triangular Chain ruler 1667 USA 12 Inch

Vintage Brass Architect Scale Ruler Andover Realty NY NJ Advertising

Vintage Dietzgen Commander Drafting Instruments Drawing Tool Set with Case

Vintage Staedtler-Mars 987 Engineer Triangular Scale Ruler Japan 12” Metric Tool

Rare Alcoa Scale Ruler Solid Aluminum Drafting/ Architect Ruler Rare 3 Sided

Lot of 3 Vintage Drafting Tools -Brass Protractor, Divider, Wooden 3-sided Ruler