# Londonderry, Seaham and Sunderland Railway no. 21

> British 0-4-4T locomotive

**Wikidata**: [Q36623112](https://www.wikidata.org/wiki/Q36623112)  
**Source**: https://4ort.xyz/entity/londonderry-seaham-and-sunderland-railway-no-21


## References

1. A Locomotive History of Railways on the Isle of Wight