Vernier Scale on a Circle

This Demonstration shows a Vernier scale on a circle with precision 5'. To start, try to find where the line segments match up the best.


  • [Snapshot]
  • [Snapshot]
  • [Snapshot]


The Vernier scale was invented in 1631 by the French mathematician Pierre Vernier (1580–1637). It was also called the nonius scale because the Portuguese mathematician Petrus Nonius (or Nunes) (1502–1578) invented a related system for the astrolabe.
[1] Wikipedia. "Vernier Scale." (Sept 27, 2012)
    • Share:

Embed Interactive Demonstration New!

Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site. More details »

Files require Wolfram CDF Player or Mathematica.