# Kater's pendulum

> reversible free swinging pendulum

**Wikidata**: [Q1891717](https://www.wikidata.org/wiki/Q1891717)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kater's_pendulum)  
**Source**: https://4ort.xyz/entity/kater-s-pendulum


## References

1. Freebase Data Dumps. 2013