[Pramāṇa](https://indike.org/pramana/) › [Physical](https://indike.org/pramana/inp) › [Artefacts](https://indike.org/pramana/inp.artefact) › [National Museum, New Delhi](https://indike.org/pramana/inp.artefact.nm) › A long iron rod # A long iron rod A long iron rod with a flat centre. On the flat part two rectangular perforations are made. - **Kind:** artefact - **Date:** 200–399 CE --- Source: [https://indike.org/pramana/inp.artefact.nm.2002-5-547](https://indike.org/pramana/inp.artefact.nm.2002-5-547) · Pramāṇa