# 40-foot telescope

> reflecting telescope constructed between 1785 and 1789 at Observatory House in Slough, England

**Wikidata**: [Q3661135](https://www.wikidata.org/wiki/Q3661135)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/40-foot_telescope)  
**Source**: https://4ort.xyz/entity/40-foot-telescope