# Principal Triangulation of Great Britain

> First trigonometric survey of Britain

**Wikidata**: [Q15031128](https://www.wikidata.org/wiki/Q15031128)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Principal_Triangulation_of_Great_Britain)  
**Source**: https://4ort.xyz/entity/principal-triangulation-of-great-britain