# Cornelis Jacobus Jansen

> Dutch scientific instrument maker (1824–1899)

**Wikidata**: [Q65961245](https://www.wikidata.org/wiki/Q65961245)  
**Source**: https://4ort.xyz/entity/cornelis-jacobus-jansen


## References

1. [Source](https://hdl.handle.net/21.12102/C3B99041D2284EA09FB682A16F835244)
2. [Source](https://historischcentrumoverijssel.nl/archieven/?mivast=20&mizig=236&miadt=141&miaet=54&micode=0123.3168&minr=4983662&miview=ldt)
3. [Source](http://www.dwc.knaw.nl/biografie/scientific-instrument-makers/?pagetype=authorDetail&aId=PE00012201)