Dietzgen Lot of 2 Triangular Wooden Drafting Engineer Scale Rulers VINTAGE

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

8 Architect Scales Rulers Drafting PICKETT DIETZGEN K+E Vintage Kanisteo

Vintage Triangular Ruler Pickett Japan- Engineering Tool - Drafting Ruler

Vintage 12" PICKETT P-232E-ES Triangular Drafting Architects Scale Ruler

Vintage Triangular Ruler Pickett Japan- Engineering Tool - Drafting Ruler

Vintage Architects Scale Drafting Triangular Ruler Engineer 12" Lot of 6

12 Inch Aluminum Architect Scale Ruler Triangular Drafting Blueprint Metal