# Harmanus van Deyl

> Dutch scientific instrument maker (1738-1809)

**Wikidata**: [Q65960602](https://www.wikidata.org/wiki/Q65960602)  
**Source**: https://4ort.xyz/entity/harmanus-van-deyl


## References

1. [Source](https://www.wiewaswie.nl/nl/detail/78122401)
2. [Source](https://www.wiewaswie.nl/nl/detail/38716052)
3. Virtual International Authority File
4. [Source](http://waywiser.fas.harvard.edu/objects/1191/achromatic-compound-microscope?ctx=2d562d9d-f899-4050-ba44-6ab8d86f2422&idx=9)
5. [Source](http://www.dwc.knaw.nl/biografie/scientific-instrument-makers/?pagetype=authorDetail&aId=PE00004777)