Pierre Vernier: French mathematician (1580 - 1637) | Biography, Facts, Information, Career, Wiki, Life
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Pierre Vernier
French mathematician

Pierre Vernier

Pierre Vernier
The basics

Quick Facts

Intro French mathematician
Was Mathematician
From France France
Field Mathematics
Gender male
Birth 29 August 1580, Ornans
Death 14 September 1637, Ornans (aged 57 years)
Star sign Virgo
The details (from wikipedia)


Pierre Vernier (19 August 1580 at Ornans, Franche-Comté, Spanish Habsburgs (now France) – 14 September 1637, same location) was a French mathematician and instrument inventor. He was inventor and eponym of the vernier scale used in measuring devices.


He was born in Ornans, France, in 1580, he was taught science by his father. He later became captain and castellan of the castle at Ornans, for the King of Spain. He was also later councillor and director general of moneys in the County of Burgundy.

At Brussels, in 1631, he published, his treatise La construction, l'usage, et les propriétés du quadrant nouveau de mathématique, and dedicated it to the Infanta. In it he described the ingenious device which now bears his name, the vernier scale.

To a quadrant with a primary scale in half degrees Vernier proposed to attach a movable sector, thirty-one half degrees in length but divided into thirty equal parts (each part consisting then of a half degree plus one minute). In measuring an angle, minutes could be easily reckoned by noticing which division line of the sector coincided with a division line of the quadrant.

Christopher Clavius had earlier mentioned the idea but had not proposed to attach the scale permanently to the instrument.

The name vernier is now applied to the small movable scale attached to a caliper, sextant, barometer, or other graduated instrument and was given by Jérôme Lalande. Lalande showed that the previous name, nonius after Pedro Nunes, belonged more properly to a different contrivance. The name nonius continued to be applied to the vernier until the beginning of the 19th century.

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