[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) › v2.c32.s6.9 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s6.9 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s6.9 - **Language:** English ### [v2.c32.s6.9](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s6.9) \* \* \* The essence extracted from the alums (i.e. oil of vitriol) is to be used for operations with metals and not as medicine. - [Previous: v2.c32.s6.8](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s6.8) - [Next: v2.c32.s6.10](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s6.10) - [Up: v2.c32.s6](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s6) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c32.s6.9](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s6.9) · Pramāṇa