# Heinrich Zoelly

> developer of turbines, patented geothermal heat pump (1862–1937)

**Wikidata**: [Q117624](https://www.wikidata.org/wiki/Q117624)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Heinrich_Zoelly)  
**Source**: https://4ort.xyz/entity/heinrich-zoelly


## References

1. [Source](https://hls-dhs-dss.ch/fr/articles/031722/2013-02-25/)
2. Historical Dictionary of Switzerland
3. [Source](https://www.portraitarchiv.ch/portrait/show/187700)
4. Freebase Data Dumps. 2013