# pneumatic trough

> laboratory apparatus for trapping gases

**Wikidata**: [Q905006](https://www.wikidata.org/wiki/Q905006)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pneumatic_trough)  
**Source**: https://4ort.xyz/entity/pneumatic-trough


## References

1. Freebase Data Dumps. 2013