What is a French curve ruler?
People also ask, what is a French ruler?
Napoleon I (1804–14, 1815) Napoleon Bonaparte came to prominence during the French Revolution and Revolutionary Wars as a formidable military and political leader. He engineered a coup in November 1799 and became the First Consul of the Republic.
Then, why is it called a French curve?
French curves are a set of curvilinear rulers used in industrial design, before the advent of CAD, when everything still had to be drawn by hands. For this reason they are often known also as Burmester's curve. In the engineering US literature they are often mentioned also as irregular curves.
A French curve is a template usually made from metal, wood or plastic composed of many different curves. It is used in manual drafting and in fashion design to draw smooth curves of varying radii. The shapes are segments of the Euler spiral or clothoid curve.