Camera lucida

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

Invention

Domain

Society

Knowledge cost

2

In collections

Nobody has pulled it yet.

What Wikipedia says

A camera lucida is an optical device used as a drawing aid by artists and microscopists. By looking through the prism in its standard, a user sees an optical superimposition of the subject positioned in front of the device over the surface below.

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

Image: Unknown author, Public domain, via Wikimedia Commons.