# Hendrik Olland Sr.

> Dutch scientific instrument maker (1825 - 1901)

**Wikidata**: [Q65961053](https://www.wikidata.org/wiki/Q65961053)  
**Source**: https://4ort.xyz/entity/hendrik-olland-sr-


## References

1. [1865](https://n2t.net/ark:/33862/collect/513993)
2. [Source](http://www.dwc.knaw.nl/biografie/scientific-instrument-makers/?pagetype=authorDetail&aId=PE00010769)