# Horologium Oscillatorium

> book by Christiaan Huygens

**Wikidata**: [Q17055395](https://www.wikidata.org/wiki/Q17055395)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Horologium_Oscillatorium)  
**Source**: https://4ort.xyz/entity/horologium-oscillatorium


## References

1. A Short History of Astronomy