# Ralph Tweddell

> British mechanical engineer and inventor of the hydraulic riveter (1843–1895)

**Wikidata**: [Q18734127](https://www.wikidata.org/wiki/Q18734127)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ralph_Hart_Tweddell)  
**Source**: https://4ort.xyz/entity/ralph-tweddell


## References

1. [Source](https://thejohnscottaward.github.io/jsc/1822-1900.html)
2. Oxford Dictionary of National Biography