Teledyne Post Plastic Triangular 38CT-580 Architects Scale Ruler+Clear Case

Vintage Drafting Tool Lot Vemco Teledyne Post Compasses Rulers Pencils Lead Set

Telodyne Post 38CT-580 triangular architects scale ruler

Teledyne Post Plastic Triangular 38CT-580 Architects Scale Ruler+Clear Case

VTG Teledyne Post Plastic Triangular 38CT-660 Architects Scale Ruler Clear Case

Telodyne Post 38CT-580 triangular architects scale ruler with case

Vintage Architect's 12" Triangular Plastic Scale Ruler ~ Made in U.S.A.

Teledyne Post Plastic Triangular 38CT-640 Architects Scale Ruler+Clear Case