Spirit level

Rarity: Rare

A topic known well beyond its field, found in many languages.

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

Invention

Domain

Science and technology

Knowledge cost

4

In collections

1 player has it in their collection.

What Wikipedia says

A spirit level, bubble level, or simply a level, is an instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb). It is called a "spirit level" because the liquid inside its vial is commonly alcohol, or "spirit".

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

Image: Dmitry Makeev, CC BY-SA 4.0, via Wikimedia Commons.