One of the mysteries of the English language finally explained.
Attributive and in the genitive. Designating a linkage consisting of a jointed rhombus of which two opposite vertices are linked to a fixed point by bars of equal length, resulting in the property that when one of the other two vertices is moved to trace out a curve, the other traces out the inverse curve.
Late 19th century. From the name of Charles Nicolas Peaucellier, French engineer, who invented the device in 1864.
In this article we explore how to impress employers with a spot-on CV.