Lot of 3 Vintage Acrylic Drafting Triangles One K&E Keuffel & Esser

Lot of 3 vintage transparent acrylic drafting triangles. One triangle is marked K&E / Keuffel & Esser, and the set has the classic look of old drafting and geometry tools.

These are pre-owned and show visible scratches, blemishes, yellowing, and other signs of age and use.

Approximate size is 10 in long, 8 in wide, and 0.25 in high. Item weight is 0.25 lbs.