# Wittgenstein's rod

> geometrical problem involving a sliding rod driven by a crank

**Wikidata**: [Q3644199](https://www.wikidata.org/wiki/Q3644199)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Wittgenstein's_rod)  
**Source**: https://4ort.xyz/entity/wittgenstein-s-rod