Drafting Rolling Parallel Rulers Transparent Architect Drawing Tools Set of 2

12 Inch Aluminum Architect Scale Ruler Triangular Drafting Blueprint Metal

Vintage Dietzgen Rapidesign Drafting Drawing Architect Tools Templates Rulers

Vintage Drafting Lot of Architect Triangles Rulers & Templates Keuffel & Esser

Esco Parallel Ruler 15” Drafting Drawing Tool Engineering Navigation Architects

Vintage Rolling Ruler Drafting Tool Drawing Measuring Instrument Boxed USA

2 antique/vintage triangular wooden rulers U.S. Standard for architects/drafting

Vintage Parallel Rolling Ruler Architect Engineering Drafting Mechanical Taiwan