# Wilhelm Geissler

> Dutch scientific instrument maker (1818–1869)

**Wikidata**: [Q65960653](https://www.wikidata.org/wiki/Q65960653)  
**Source**: https://4ort.xyz/entity/wilhelm-geissler


## References

1. [Source](https://www.openarchieven.nl/saa%3A8a7c7601-27ca-48d8-ab4a-b327de0dcf95/en)
2. [Source](https://www.crtsite.com/Heinrich-Geissler.html)
3. [Source](https://archief.amsterdam/indexen/deeds/97b59279-cf04-2c23-e053-b784100a63ea)
4. [Source](https://archief.amsterdam/indexen/deeds/20952d91-1850-4a2c-8027-38c619cf2e06)
5. [1855](https://resolver.kb.nl/resolve?urn=ddd:010115037:mpeg21:a0009)
6. [Source](https://www.maritiemdigitaal.nl/index.cfm?event=search.getdetail&id=103015121)
7. [Source](https://mmb-web.adlibhosting.com/Details/collect/3980)
8. [Source](http://www.dwc.knaw.nl/biografie/scientific-instrument-makers/?pagetype=authorDetail&aId=PE00011983)