Dietzgen Vintage Pickett Dietzgen ExcelloTriangular Scale Ruler Lot of 3 Architects

Vintage architect and engineer scale ruler set includes three distinct professional tools for drafting and design. The lot features a Pickett 235 A triangular scale made in Japan, a Dietzgen Excello 1656B triangular scale made in the USA, and a classic wooden triangular scale. These multi-sided rulers provide various scales for precise technical drawing and architectural planning. Each piece shows authentic wear consistent with professional use, adding character to this functional collection of vintage drafting supplies. One does have some damage in the corner of the rule.