# Karl Appelberg

> Finnish engineer

**Wikidata**: [Q105705019](https://www.wikidata.org/wiki/Q105705019)  
**Source**: https://4ort.xyz/entity/karl-appelberg


## References

1. [The National Biography of Finland](http://ldf.fi/nbf/p2207)
2. BiographySampo
3. The National Biography of Finland
4. student register of the University of Helsinki 1853–1899
5. Finlandssvenska tekniker