[Pramāṇa](https://indike.org/pramana/) › [Physical](https://indike.org/pramana/inp) › [Artefacts](https://indike.org/pramana/inp.artefact) › [The British Museum, London](https://indike.org/pramana/inp.artefact.bm) › Astrolabe # Astrolabe Sanskrit calculating instrument made of green schist or soapstone in the late 17th century. Similar to an astrolabe but incomplete. The throne is engraved with the date accompanied by an inscription in Sanskrit. - **Kind:** artefact - **Date:** 1651–1699 CE --- Source: [https://indike.org/pramana/inp.artefact.bm.1992-0713-1](https://indike.org/pramana/inp.artefact.bm.1992-0713-1) · Pramāṇa