[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) › Rubber # Rubber Hematite rubber. Pebble with an unmodified convex surface retaining cortex and a plane face worn smooth and flat by deliberate abrasion. A slight polish has developed around the plane surface margin. - **Kind:** artefact --- Source: [https://indike.org/pramana/inp.artefact.bm.car-43-21](https://indike.org/pramana/inp.artefact.bm.car-43-21) · Pramāṇa