# Weduwe G. Hulst van Keulen

> Dutch retailing firm of navigational instruments and manuals, charts, and sea-atlases, from 1801-1885

**Wikidata**: [Q65961321](https://www.wikidata.org/wiki/Q65961321)  
**Source**: https://4ort.xyz/entity/weduwe-g-hulst-van-keulen


## References

1. Repertorium van Nederlandse kaartmakers
2. [1801](https://n2t.net/ark:/33862/collect/505194)
3. [Source](http://www.dwc.knaw.nl/biografie/scientific-instrument-makers/?pagetype=authorDetail&aId=PE00012312)