Vintage Keuffel & Esser (K&E) student slide rule, a classic calculating instrument used before electronic calculators. Crafted from wood with a smooth sliding scale and metal cursor, this piece reflects the precision and craftsmanship K&E was known for.

Features detailed scales and reference tables on the reverse, making it both a functional tool and a fascinating piece of engineering history.

A great addition for collectors, engineers, educators, or anyone who appreciates vintage scientific instruments.

Model: No. 4058

Maker: Keuffel & Esser Co., New York

Material: Wood with metal cursor

Type: Student slide rule