C U R V E S

Keuffel & Esser Copenhagen Ship Curves. Picture from the catalog.

Keuffel & Esser Road Curves. Mahogany box with clear plastic curves. Radii are marked at the sides of the box for each slot.

Handsome set with dozens of curves of varying radii. The walnut box holds curves are of pearwood.

Novelty French Curve. Green plastic curves in this form were very popular in the drafting room circa 1960.