[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray](https://indike.org/pramana/ins.science.ray-1956) › c17.s3.10 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.10 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.10 - **Language:** English ### [c17.s3.10](https://indike.org/pramana/ins.science.ray-1956.c17.s3.10) \*Crucibles\*·—"Earth of black, red, yellow and white colour burnt husks of paddy, soot, earth from the ant-hill, well-burnt excrements of the goat and the horse · rust of iron......" These are the ingredients used in varying proportions for making crucibles, retorts, etc. - [Previous: c17.s3.9](https://indike.org/pramana/ins.science.ray-1956.c17.s3.9) - [Next: c17.s3.11](https://indike.org/pramana/ins.science.ray-1956.c17.s3.11) - [Up: c17.s3](https://indike.org/pramana/ins.science.ray-1956.c17.s3) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c17.s3.10](https://indike.org/pramana/ins.science.ray-1956.c17.s3.10) · Pramāṇa