Meridian circle

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

The meridian circle is an instrument for timing of the passage of stars across the local meridian, an event known as a culmination, while at the same time measuring their angular distance from the nadir.

Excerpt from the Wikipedia article “Meridian circle”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: H. Raab (User:Vesta), CC BY-SA 3.0, via Wikimedia Commons.