[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) › Drill-bit # Drill-bit Chalcedony point/drill bit made on a bladelet, with an ancient break across the mid-point. The right edge of the bladelet is modified by abrupt marginal retouch. Similar retouch occurs on the left edge at the tip producing a thin, narrow tip. - **Kind:** artefact --- Source: [https://indike.org/pramana/inp.artefact.bm.car-14-46](https://indike.org/pramana/inp.artefact.bm.car-14-46) · Pramāṇa