Vintage Keuffel & Esser Paragon Drafting Tools + Wood-Regan 2-Piece Ruler Set

Vintage Triangular Architect Drafting Scales 3 Sided Ruler Metal Brass NOS

Vintage 12" STERLING Triangular Drafting Architects Scale Ruler

2 Vintage Architect Drafting Rulers Keuffel &Esser (K&E) Paragon, Triangle Ruler

KEUFFEL & ESSER Model 1631P DRAFTING SCALE Paragon

Vintage Keuffel & Esser Paragon 1631P Triangular Scale Drafting Ruler

German Vintage Architects Triangular Drafting Ruler. 12”. Okay condition

Vintage Keuffel + Esser Triangular Drafting Scale Ruler 56 3648 W/ Case 12”