Vintage Ford Metric Machine Drafting Ruler 1/2mm Scale 300mm Double-Sided Metal

Precision Drafting Ruler Set – 12 Inch Metric & Imperial Scales in 3 Pack

Architectural Scale Ruler 12" Imperial Metal Aluminum Alloy Drafting Tool

Vintage Dietzgen 1509 Scale Ruler Architect Drafting

Vtg 19” Vemco AP-34 Antiflex Drafting Machine Scale Engineer Ruler Collector USA

Metal Geometry Kit - 4Pack Set Square, Protractor, Aluminum Ruler, Drafting Tria

2 Enginner & 1 Architect 12" Triangular Drafting Scale Rulers Alvin W.T. Rogers

Architectural Scale Ruler 12" Imperial Aluminum Alloy Metal Drafting Tool