[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v1.c18.s8.18 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c18.s8.18 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c18.s8.18 - **Language:** English ### [v1.c18.s8.18](https://indike.org/pramana/ins.science.ray-1902.v1.c18.s8.18) This makes the process a matter of very little expense and with an anna worth of good crystals of hirakash (the Bengali name of ferrous sulphate), a jamak containing 8 annas weight (for about Rs. 14 worth) of gold can be satisfactorily extracted. - [Previous: v1.c18.s8.17](https://indike.org/pramana/ins.science.ray-1902.v1.c18.s8.17) - [Next: v1.c18.s8.19](https://indike.org/pramana/ins.science.ray-1902.v1.c18.s8.19) - [Up: v1.c18.s8](https://indike.org/pramana/ins.science.ray-1902.v1.c18.s8) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c18.s8.18](https://indike.org/pramana/ins.science.ray-1902.v1.c18.s8.18) · Pramāṇa