# Rubens' tube

> Physics apparatus for demonstrating acoustic standing waves in a tube

**Wikidata**: [Q1147712](https://www.wikidata.org/wiki/Q1147712)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Rubens_tube)  
**Source**: https://4ort.xyz/entity/rubens-tube


## References

1. Freebase Data Dumps. 2013