# pneumatic tube

> system that propels cylindrical containers through tubes by compressed air

**Wikidata**: [Q1136075](https://www.wikidata.org/wiki/Q1136075)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pneumatic_tube)  
**Source**: https://4ort.xyz/entity/pneumatic-tube


## References

1. Nuovo soggettario
2. Freebase Data Dumps. 2013
3. YSO-Wikidata mapping project
4. KBpedia
5. GF WordNet