# Martinus Hendrik Conrad

> Dutch hydraulic engineer, 1798-1854 (1798–1854)

**Wikidata**: [Q108712513](https://www.wikidata.org/wiki/Q108712513)  
**Source**: https://4ort.xyz/entity/martinus-hendrik-conrad


## References

1. [Gelders Archief](https://www.openarch.nl/gld:7390F3FB-E184-4BD0-849C-9C9AE6C83A34)
2. [Source](https://www.collectiegelderland.nl/object/55f3ba9e-527b-5c84-2ba7-05bf7ac3c8d8)
3. CollectieGelderland